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Products Covered by This
Manual
The following products are covered by this manual:
2691351-00, 2691351-01, 2691351-02, 2691352-00,
2691352-01, 2691352-02, 2691353-00, 2691353-01,
2691353-02, 2691353-03, 2691357-00, 2691357-01,
2691357-02, 2691359-00, 2691359-01, 2691359-02,
2691359-03, 2691391-00, 2691391-01, 2691391-02,
2691395-00, 2691395-01, 2691395-02, 2691410-00,
2691410-01, 2691410-02, 2691411-00, 2691411-01,
2691411-02, 2691412-00, 2691459-01, 2691460-01
Manual Contents:
Operator Safety..................................................................... 5
Safety Interlock Systems Checks..................................... 10
Features and Controls........................................................11
Operation............................................................................. 12
Maintenance.........................................................................16
Troubleshooting..................................................................19
Specifications......................................................................20
Save these instructions.This manual contains safety
information to make you aware of the hazards and risks
associated with the product and how to avoid them. It also
contains important instructions that should be followed
during the initial set-up, operation, and maintenance of
the product.Save these original instructions for future
reference.
Note:For instructions to install, remove, and level the mower
deck (including belt replacement), see the Mower Deck
Manual supplied with this machine.
Note:The engine information contained in this manual applies
to Briggs & Stratton
®
engines only. For information regarding
non-Briggs engines, refer to the engine manual supplied with
your unit.
The images in this document are representative, and are
meant to complement the instructional copy they accompany.
Your unit may vary from the images displayed. LEFT and
RIGHT are as seen from the operator's position.
Operator Safety
Safety Icons
Callout Description
A Alert.
B Read the manual.
C Fire hazard.
D Thrown objects.
E Amputation - hand in blade.
F Amputation - foot in blade.
G Keep children away.
H Maximum slope angle for safe operation.
I Slippery slopes.
J Amputation - rotating parts.
K Avoid turning down slopes; if possible turn up slopes.
Safety Alert Symbol and Signal Words
The safety alert symbol ( ) is used to identify safety
information about hazards that can result in personal injury. A
signal word (DANGER, WARNING, or CAUTION) is used with
the alert symbol to indicate the likelihood and the potential
severity of injury. In addition, a hazard symbol may be used to
represent the type of hazard.
DANGER indicates a hazard which, if not avoided, will
result in death or serious injury.
WARNING indicates a hazard which, if not avoided,
could result in death or serious injury.
CAUTION indicates a hazard which, if not avoided, could
result in minor or moderate injury.
NOTICE indicates a situation that could result in damage
to the product.
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Carbon Monoxide Warning
WARNING
Running engine gives off carbon monoxide, an
odorless, colorless, poison gas.
Breathing carbon monoxide can cause headache,
fatigue, dizziness, vomiting, confusion, seizures,
nausea, fainting or death.
Operate equipment ONLY outdoors.
Keep exhaust gas from entering a confined area through
windows, doors, ventilation intakes, or other openings.
Safety Decals
Before operating your machine, read and understand the
safety decals. Compare Figure1with the table following.
The cautions and warnings are for your safety. To avoid a
personal injury or damage to the machine, understand and
follow all the safety decals.
Important:If any safety decals become worn or damaged,
and cannot be read, order replacement decals from your local
dealer.
A Decal, Main Safety
Part No. 5106566

B Decal, Danger, Thrown
Objects
Part No. 7106109
Safety Decal Icon Definitions
A WARNING:Read and understand the Operator's Manual before
using this machine. Know the location and function of all controls.
Do not operate this machine unless you are trained.
B DANGER - AMPUTATION AND DISMEMBERMENT HAZARD:To
avoid injury from rotating blades and moving parts, keep safety
devices (guards, shields and switches) in place and working.
C DANGER - THROWN OBJECTS AND AMPUTATION
HAZARD:To avoid injury, keep bystanders and children away.
Remove objects that can be thrown by the blades. Do not mow
without discharge chute or entire grass catcher in place.
D DANGER - LOSS OF CONTROL AND ROLL OVER
HAZARD:Operating on slopes can be hazardous and cause a
loss of control and roll-overs. Do not operate on slopes over 10*
degrees. Avoid sudden turns or rapid speed changes. Reduce
speed and use extreme caution on slopes. Avoid turning down
slopes; if possible, turn up slopes. Do not operate down slopes
towards or near water, retaining walls, or drop-offs. Give yourself a
minimum of two mower widths of clearance around these hazards.
E DANGER - AMPUTATION HAZARD:Never carry riders, especially
children, even with the blades off. Do not mow in reverse unless
absolutely necessary. Look down and behind - before and while
backing.
F DANGER: LOSS OF TRACTION, SLIDING, STEERING, AND
CONTROL ON SLOPES HAZARD:If machine stops forward
motion on a slope, stop the blades. and drive slowly off the slope.
G DANGER:Engage parking brake, remove key, and consult
technical literature before performing service or maintenance.
H DANGER - FIRE HAZARD:Remove key and wait three (3) minutes
before refueling.
I DANGER - THROWN OBJECTS HAZARD:Do not mow without
discharge chute or entire grass catcher in place.
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J DANGER - THROWN OBJECTS AND AMPUTATION
HAZARD:To avoid injury from rotating blades, stay clear of deck
edge and keep others away.
*This limit was determined per International Standard ISO 5395-3:2013,
Section 4.6 and is based on the ISO 5395-3 Stability Test procedure
described in Annex A. The 10 degree “limit of stability” is equal to 60%
of the angle at which machine lift-off occurred in static tests. Actual
dynamic stability may vary depending on operating conditions.
Slope Identification Guide
How to measure the slope of a lawn surface with a
smartphone or an angle finder tool:
WARNING
Do not operate on slopes greater than degrees.
1. Use a straight edge at least two (2) feet long (A, Figure
2). A 2x4 or a straight piece of metal works well.
2. Angle finder tools.
a. Use your smartphone: Many smartphones (B,
Figure 2) have an inclinometer (angle finder) located
under the compass application (app). Or, search an
app store for an Inclinometer app.
b. Use angle finder tools: Angle finder tools (C & D,
Figure 2) are available at local hardware stores or
online (also called inclinometer, protractor, angle
meter, or angle gauge). Dial type (C) or digital type
(D) work, others may not. Follow user instructions
with the angle finder tool.
3. Place the two (2) feet long straight edge along the
steepest part of the lawn slope. Place the board up and
down the slope.
4. Lay the smartphone or angle finder tool on the straight
edge and read the angle in degrees. This is the slope of
your lawn.
Note:A paper gauge slope identification guide is included
in your product literature packet and is also available to
download from the manufacturer's website.
Safety Rules and Information
WARNING
Read these safety rules and follow them closely. Failure
to obey these rules could result in loss of control of unit,
severe personal injury or death to you, or bystanders, or
damage to property or equipment. This mowing deck is
capable of amputating hands and feet and throwing
objects. The triangle in text signifies important cautions or
warnings which must be followed.
General Operation
1. Read, understand, and follow all instructions in the
manual and on the unit before starting.
2. Do not put hands or feet near rotating parts or under
the machine. Keep clear of the discharge opening at all
times.
3. Only allow responsible adults, who are familiar with the
instructions, to operate the unit (local regulations can
restrict operator age).
4. Clear the area of objects such as rocks, toys, wire, etc.,
which could be picked up and thrown by the blade(s).
5. Be sure the area is clear of other people before mowing.
Stop the unit if anyone enters the area.
6. Never carry passengers.
7. Do not mow in reverse unless absolutely necessary.
Always look down, behind, and to the side before
changing directions.
8. Never direct discharge material toward anyone. Avoid
discharging material against a wall or obstruction.
Material may ricochet back toward the operator. Stop the
blade(s) when crossing gravel surfaces.
9. Do not operate the machine without the entire grass
catcher, discharge guard (deflector), or other safety
devices in place.
10. Slow down before turning.
11. Never leave a running unit unattended. Always disengage
the PTO, set parking brake, stop engine, and remove
keys before dismounting.
12. Disengage blades (PTO) when not mowing. Shut off
engine and wait for all parts to come to a complete stop
before cleaning the machine, removing the grass catcher,
or unclogging the discharge guard.
13. Operate the machine only in daylight or good artificial
light.
14. Do not operate the unit while under the influence of
alcohol or drugs.
15. Watch for traffic when operating near or crossing
roadways.
16. Use extra care when loading or unloading the unit into a
trailer or truck.
17. Always wear eye protection when operating this unit.
18. Data indicates that operators, age 60 years and above,
are involved in a large percentage of power equipment-
related injuries. These operators should evaluate their
ability to operate the equipment safely enough to protect
themselves and others from injury.
19. Follow the manufacturer’s recommendations for wheel
weights or counterweights.
20. Keep in mind the operator is responsible for accidents
occurring to other people or property.
21. All drivers should seek and obtain professional and
practical instruction.
22. Always wear substantial footwear and trousers. Never
operate when barefoot or wearing sandals.
23. Before using, always visually check that the blades and
blade hardware are present, intact, and secure. Replace
worn or damaged parts.
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24. Disengage attachments before: refueling, removing an
attachment, making adjustments (unless the adjustment
can be made from the operator’s position).
25. When the machine is parked, stored, or left unattended,
lower the cutting means unless a positive mechanical lock
is used.
26. Before leaving the operator’s position for any reason,
disengage the PTO, engage the parking brake (if
equipped), stop the engine, and remove the key.
27. To reduce fire hazard, keep the unit free of grass, leaves,
& excess oil. Do not stop or park over dry leaves, grass,
or combustible materials.
28. It is a violation of California Public Resource Code
Section 4442 to use or operate the engine on or near
any forest-covered, brush-covered, or grass-covered
land unless the exhaust system is equipped with a spark
arrester meeting any applicable local or state laws. Other
states or federal areas may have similar laws.
Transporting And Storage
1. When transporting the unit on an open trailer, make sure
it is facing forward, in the direction of travel. If the unit is
facing backwards, wind lift could damage the unit.
2. Always observe safe refueling and fuel handling practices
when refueling the unit after transportation or storage.
3. Never store the unit (with fuel) in an enclosed poorly
ventilated structure. Fuel vapors can travel to an ignition
source (such as a furnace, water heater, etc.) and cause
an explosion. Fuel vapor is also toxic to humans and
animals.
4. Always follow the engine manual instructions for storage
preparations before storing the unit for both short and
long term periods.
5. Always follow the engine manual instructions for proper
start-up procedures when returning the unit to service.
6. Never store the unit or fuel container inside where there
is an open flame or pilot light, such as in a water heater.
Allow unit to cool before storing.
WARNING
Unsafe Operation Hazard
Do not load this zero-turn rider on a trailer or truck using
two separate ramps. Only use a single ramp that is at least
one foot wider than the width of the rear wheels of this rider.
This rider has a zero turning radius and the rear wheels
could fall off the ramps, or the rider could tip over injuring
the operator or bystanders.
Slope Operation
Slopes are a major factor related to loss-of-control and tip
over accidents, which can result in severe injury or death.
Operation on all slopes requires extra caution. If you feel
uneasy on a slope, do not operate on it.
Control of a zero-turn riding mower sliding on a slope will
not be regained by the application of the brake. The main
reasons for loss of control are: insufficient tire grip on the
ground, speed too fast, inadequate braking, the type of
machine is unsuitable for its task, lack of awareness of the
ground conditions, incorrect hitching and load distribution.
1. Avoid turning down slopes; if possible turn up slopes.
2. Watch for holes, ruts, or bumps. Uneven terrain could
overturn the unit. Tall grass can hide obstacles.
3. Choose a slow speed so that you will not have to stop or
change speeds while on the slope.
4. Do not mow on wet grass. Tires may lose traction.
5. Do NOT operate down slope towards or near water,
retaining walls, or drop-offs.
6. Avoid starting, stopping, or turning on a slope. If machine
stops forward motion on a slope, stop the blades and
drive slowly off the slope.
7. Keep all movement on slopes slow and gradual. Do not
make sudden changes in speed or direction, which could
cause the machine to rollover.
8. Use extra care while operating machines with grass
catchers or other attachments; they can affect the stability
of the unit. Do not use on steep slopes.
9. Do not try to stabilize the machine by putting your foot on
the ground (ride-on units).
10. Do not mow near drop-offs, ditches, or embankments.
The mower could suddenly turn over if a wheel is over
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the edge of a cliff or ditch, or if an edge caves in. Give
yourself a minimum of two mower widths of clearance
around these hazards.
11. Do not use grass catchers on steep slopes.
12. Do not mow slopes you cannot back up.
13. Remove obstacles such as rocks, tree limbs, etc.
14. Use slow speed. Tires may lose traction on slopes even
through the brakes are functioning properly.
15. Do not turn on slopes unless necessary, and then, turn
slowly and gradually up slopes, if possible.
WARNING
Unsafe Operation Hazard
Never operate on slopes greater than 10 degrees, a rise of
3-1/2 feet (106 cm) vertically in a 20 feet (607 cm) length.
Select slow ground speed before driving onto slope. In
addition to front weights, use extra caution when operating
on slopes with rear-mounted grass catchers.
Avoid turning down slopes; if possible turn up slopes. Use
caution when changing directions and DO NOT START OR
STOP ON A SLOPE.
Towed Equipment (Ride-On Units)
1. Tow only with a machine that has a hitch designed for
towing. Do not attach towed equipment except at the
hitch point.
2. Follow the manufacturer’s recommendations for weight
limit for towed equipment and towing on slopes.
3. Never allow children or others in or on towed equipment.
4. On slopes, the weight of the towed equipment may cause
loss of traction and loss of control.
5. Travel slowly and allow extra distance to stop.
6. Do not shift to neutral and coast down hill.
Children
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the unit
and the mowing activity. Never assume that children will
remain where you last saw them.
1. Keep children out of the mowing area and under the
watchful care of another responsible adult.
2. Be alert and turn unit off if children enter the area.
3. Before and during reverse operation, look behind and
down for small children.
4. Never carry children, even with the blade(s) off. They may
fall off and be seriously injured or interfere with safe unit
operation. Children who have been given rides in the past
may suddenly appear in the mowing area for another ride
and be run over or backed over by the machine.
5. Never allow children to operate the unit.
6. Use extra care when approaching blind corners, shrubs,
trees, or other objects that may obscure vision.
Emissions
1. Engine exhaust from this product contains chemicals
known, in certain quantities, to cause cancer, birth
defects, or other reproductive harm.
2. Look for the relevant Emissions Durability Period and Air
Index information on the engine emissions label.
Service and Maintenance
Safe Handling of Gasoline
1. Extinguish all cigarettes, cigars, pipes, and other sources
of ignition.
2. Use only approved gasoline containers.
3. Never remove the gas cap or add fuel with the engine
running. Allow the engine to cool before refueling.
4. Never fuel the machine indoors.
5. Never store the machine or fuel container where there is
an open flame, spark, or pilot light such as near a water
heater or other appliance.
6. Never fill containers inside a vehicle or on a truck bed
with a plastic bed liner. Always place containers on the
ground away from your vehicle before filling.
7. Remove gas-powered equipment from the truck or
trailer and refuel it on the ground. If this is not possible,
then refuel such equipment on a trailer with a portable
container, rather than from a gasoline dispenser nozzle.
8. Keep nozzle in contact with the rim of the fuel tank or
container opening at all times until fueling is complete. Do
not use a nozzle lock-open device.
9. If fuel is spilled on clothing, change clothing immediately.
10. Never over-fill the fuel tank. Replace gas cap and tighten
securely.
11. Use extra care in handling gasoline and other fuels. They
are flammable and vapors are explosive.
12. If fuel is spilled, do not attempt to start the engine but
move the machine away from the area of spillage and
avoid creating any source of ignition until fuel vapors
have dissipated.
13. Replace all fuel tank caps and fuel container caps
securely.
Service & Maintenance
1. Never run the unit in an enclosed area where carbon
monoxide fumes may collect.
2. Keep nuts and bolts, especially blade attachment bolts,
tight and keep equipment in good condition.
3. Never tamper with safety devices. Check their proper
operation regularly and make necessary repairs if they
are not functioning properly.
4. Keep unit free of grass, leaves, or other debris buildup.
Clean up oil or fuel spillage. and remove any fuel-soaked
debris. Allow machine to cool before storage.
5. If you strike an object, stop and inspect the machine.
Repair, if necessary, before restarting.
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6. Never make adjustments or repairs with the engine
running.
7. Check grass catcher components and the discharge
guard frequently and replace with manufacturer’s
recommended parts, when necessary.
8. Mower blades are sharp. Wrap the blade or wear gloves,
and use extra caution when servicing them.
9. Check brake operation frequently. Adjust and service as
required.
10. Maintain or replace safety and instructions labels, as
necessary.
11. Do not remove the fuel filter when the engine is hot
as spilled gasoline may ignite. Do not spread fuel line
clamps further than necessary. Ensure clamps grip hoses
firmly over the filter after installation.
12. Do not use gasoline containing METHANOL, gasohol
containing more than 10% ETHANOL, gasoline additives,
or white gas because engine/fuel system damage could
result.
13. If the fuel tank must be drained, it should be drained
outdoors.
14. Replace faulty silencers/mufflers.
15. Use only factory authorized replacement parts when
making repairs.
16. Always comply with factory specifications on all settings
and adjustments.
17. Only authorized service locations should be utilized for
major service and repair requirements.
18. Never attempt to make major repairs on this unit unless
you have been properly trained. Improper service
procedures can result in hazardous operation, equipment
damage and voiding of manufacturer’s warranty.
19. On multiple blade mowers, take care as rotating one
blade can cause other blades to rotate.
20. Do not change engine governor settings or over-speed
the engine. Operating the engine at excessive speed can
increase the hazard of personal injury.
21. Disengage drive attachments, stop the engine, remove
the key, and disconnect the spark plug wire(s) before:
clearing attachment blockages and chutes, performing
service work, striking an object, or if the unit vibrates
abnormally. After striking an object, inspect the machine
for damage and make repairs before restarting and
operating the equipment.
22. Never place hands near the moving parts, such as a
hydro pump cooling fan, when the tractor is running.
(Hydro pump cooling fans are typically located on top of
the transaxle).
23. Units with hydraulic pumps, hoses, or motors: WARNING:
Hydraulic fluid escaping under pressure may have
sufficient force to penetrate skin and cause serious injury.
If foreign fluid is injected into the skin it must be surgically
removed within a few hours by a doctor familiar with this
form of injury or gangrene may result. Keep body and
hands away from pin holes or nozzles that eject hydraulic
fluid under high pressure. Use paper or cardboard, and
not hands, to search for leaks. Make sure all hydraulic
fluid connections are tight and all hydraulic hoses and
lines are in good condition before applying pressure
to the system. If leaks occur, have the unit serviced
immediately by your authorized dealer.
24. WARNING: Stored energy device. Improper release of
springs can result in serious personal injury. Springs
should be removed by an authorized technician.
25. Models equipped with an engine radiator: WARNING:
Stored energy device. To prevent serious bodily injury
from hot coolant or steam blow-out, never attempt to
remove the radiator cap while the engine is running.
Stop the engine and wait until it is cool. Even then, use
extreme care when removing the cap.
Safety Interlock Systems
Checks
WARNING
DO NOT operate machine if any safety interlock or safety
device is not in place and functioning properly. Contact
your dealer immediately for assistance. DO NOT attempt to
defeat, modify or remove any safety device.
Models with Automatic Parking Brake
TEST 1 - Engine must not crank if:
PTO switch is engaged, OR,
Ground speed levers are not locked in their START /
PARK positions.
TEST 2 - Engine should crank if:
PTO switch is NOT engaged, AND,
Ground speed levers are locked in their START / PARK
positions.
TEST 3 - Engine must shut off if:
Operator rises off seat with PTO engaged, OR
Operator rises off seat with ground speed levers not
locked in their START / PARK positions.
TEST 4 - Check mower blade stopping time
The mower blades and mower drive belt should come to
a complete stop within five seconds after the electric PTO
switch is turned off. If mower drive belt does not stop within
five seconds, see your dealer.
Once the engine has stopped, the PTO switch must be turned
off, and the ground speed levers must be locked in their
START/PARK positions in order to start the engine.
Models with Manual Parking Brake
TEST 1 - Engine must not crank if:
PTO switch is engaged, OR,
Ground speed levers are not locked in their START /
PARK positions, OR,
Parking brake is not engaged.
TEST 2 - Engine should crank if:
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PTO switch is NOT engaged, AND,
Ground speed levers are locked in their START / PARK
positions, AND,
Parking brake is engaged.
TEST 3 - Engine must shut off if:
Operator rises off seat with PTO engaged, OR
Operator rises off seat with ground speed levers not
locked in their START / PARK positions, OR,
Operator rises off seat with parking brake not engaged.
TEST 4 - Check mower blade stopping time
The mower blades and mower drive belt should come to
a complete stop within five seconds after the electric PTO
switch is turned off. If mower drive belt does not stop within
five seconds, see your dealer.
Once the engine has stopped, the PTO switch must be turned
off, the parking brake must be engaged, and the ground
speed levers must be locked in their START/PARK positions
in order to start the engine.
Features and Controls
Compare the features and controls in Figure3with the table
following.
Ref. Description / Function Icon(s) Definition /
Operation
A Deck Lift Pedal, Cutting Height
Adjustment Pin and Deck Lift Lock
Lever - adjusts cutting height
SeeCutting Height
Adjustment
Forward ground
speed increase - push
lever forward
Neutral - release
lever
Engine start - move
lever out
Reverse ground
speed increase - pull
lever back
B Right Ground Speed Lever -
controls speed and direction of right
drive wheel; also engages parking
brake
Parking brake engage
- move lever out
C Ignition Switch - starts engine Engine off
Engine on (run)
Engine start
Choke on (closed) -
Briggs engines only
Engine speed fast
D Engine Speed Control - controls
engine speed
Engine speed slow
E PTO Switch - engages and
disengages mower blade clutch
PTO engage - pull up
on switch
F Hour Meter
Indicates total hours
of engine operation
G Transmission Release Levers -
release transmissions so unit can
roll freely
SeePushing the
Unit by Hand
H Fuel Tank Cap
Turn cap
counterclockwise to
remove
I Operator's Seat Adjust
SeeSeat
Adjustments
J Left Ground Speed Lever - controls
speed and direction of left drive
wheel
 Forward ground
speed increase - push
lever forward
Neutral - release
lever
Engine start - move
lever out
Reverse ground
speed increase - pull
lever back
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12
Operation
Oil Recommendations
Oil Capacity: See the Specifications section.
We recommend the use of Briggs & Stratton Warranty
Certified oils for best performance. Other high-quality
detergent oils are acceptable if classified for service SF, SG,
SH, SJ or higher. Do not use special additives.
Outdoor temperatures determine the proper oil viscosity for
the engine. Use the chart to select the best viscosity for the
outdoor temperature range expected.
A SAE 30 - Below 40 °F (4 °C) the use of SAE 30 will result in hard
starting.
B 10W-30 - Above 80 °F (27 °C) the use of 10W-30 may cause
increased oil consumption. Check oil level more frequently.
C Synthetic 5W-30
D 5W-30
Check Oil Level
See Figure: 4
Before adding or checking the oil
Make sure the engine is level.
Clean the oil fill area of any debris.
1. Remove the dipstick (A, Figure 4) and wipe with a clean
cloth.
2. Install and tighten the dipstick (A, Figure 4).
3. Remove the dipstick and check the oil level. Correct oil
level is at the top of the full indicator (B, Figure 4) on the
dipstick.
4. If oil level is low, slowly add oil into the engine oil fill
(C, Figure 4). Do not overfill. After adding oil, wait one
minute and then recheck the oil level.
Note:Do not add oil at the quick oil drain , if equipped. For
location, see Features and Controls.
5. Reinstall and tighten the dipstick (A, Figure 4).
Oil Pressure
If the oil pressure is too low, a pressure switch (if equipped)
will either stop the engine or activate a warning device on the
equipment. If this occurs, stop the engine and check the oil
level with the dipstick.
If the oil level is below the ADD mark, add oil until it touches
the FULL mark. Start the engine and check for the correct oil
pressure before you continue to operate the machine.
If the oil level is between the ADD and FULL marks,DO NOT
start the engine. Contact an authorized service dealer to
correct the oil pressure problem.
Fuel Recommendations
Fuel must meet these requirements:
Clean, fresh, unleaded gasoline.
A minimum of 87 octane / 87 AKI (91 RON). For high
altitude use, see below.
Gasoline with up to 10% ethanol (gasohol) is acceptable.
NOTICE Do not use unapproved gasolines, such as E15
and E85. Do not mix oil in gasoline or modify the engine to
run on alternate fuels. Use of unapproved fuels will cause
damage to engine components, which will not be covered
under warranty.
To protect the fuel system from gum formation, mix a fuel
stabilizer into the fuel. See Storage. All fuel is not the
same. If starting or performance problems occur, change
fuel providers or change brands. This engine is certified to
operate on gasoline. The emissions control system for this
engine is EM (Engine Modifications).
High Altitude
At altitudes over 5,000 feet (1524 meters), a minimum 85
octane/85 AKI (89 RON) gasoline is acceptable.
For carbureted engines, high altitude adjustment is
required to maintain performance. Operation without this
adjustment will cause decreased performance, increased
fuel consumption, and increased emissions. Contact
a Briggs & Stratton Authorized Service Dealer for high
altitude adjustment information. Operation of the engine at
altitudes below 2,500 feet (762 meters) with the high altitude
adjustment is not recommended.
For Electronic Fuel Injection (EFI) engines, no high altitude
adjustment is necessary.
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13
Adding Fuel
WARNING
Fuel and its vapors are extremely flammable and
explosive.
Fire or explosion can cause severe burns or death.
When Adding Fuel
Turn engine off and let engine cool at least 3 minutes
before removing the fuel cap.
Fill fuel tank outdoors or in well-ventilated area.
Do not overfill fuel tank. To allow for expansion of the
fuel, do not fill above the bottom of the fuel tank neck.
Keep fuel away from sparks, open flames, pilot lights,
heat, cigarettes, and other ignition sources.
Check fuel lines, tank, cap, and fittings frequently for
cracks or leaks. Replace if necessary.
If fuel spills, wait until it evaporates before starting
engine.
1. Clean the fuel cap area of dirt and debris. Remove the
fuel cap (A, Figure5).
2. Fill the fuel tank with fuel. To allow for expansion of the
fuel, do not fill above the bottom of the fuel tank neck (B).
3. Reinstall the fuel cap.
Starting the Engine
WARNING
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
When Starting Engine
Ensure that spark plug, muffler, fuel cap, and air
cleaner (if equipped) are in place and secured.
Do not crank engine with spark plug removed.
If engine floods, set choke (if equipped) to OPEN / RUN
position, move throttle (if equipped) to FAST position
and crank until engine starts.
WARNING
Running engine gives off carbon monoxide, an odorless,
colorless, poison gas.
Breathing carbon monoxide can cause headache, fatigue,
dizziness, vomiting, confusion, seizures, nausea, fainting or
death.
Operate equipment ONLY outdoors.
Keep exhaust gas from entering a confined area
through windows, doors, ventilation intakes, or other
openings.
WARNING
If you do not understand how a specific control
functions, or have not yet thoroughly read the Features
& Controls section, do so now.
Do NOT attempt to operate the tractor without first
becoming familiar with the location and function of all
controls.
1. While sitting in the operator's seat:
Models with automatic parking brake: Make
sure the PTO switch is disengaged and the ground
speed control levers are locked in the START/PARK
position. (The parking brake is automatically engaged
when the ground speed levers are locked in the
START/PARK position.)
Models with manual parking brake: Make sure
the PTO switch is disengaged, the parking brake is
engaged, and the ground speed control levers are
locked in the START/PARK position.
2. Set the engine speed control past the FAST position to
the CHOKE position.
A warm engine does not require choking.
Some engines are equipped with a separate choke
control.
Some engines are equipped with a ReadyStart
®
feature,
and do not feature a choke.
3. Insert the key into the ignition switch and turn it to
START.
4. After the engine starts, turn off the choke (if equipped),
and warm up the engine by running it for at least a minute
before engaging the PTO switch or driving the rider.
5. After warming the engine, always operate the unit at full
engine speed when mowing.
In the event of an emergency the engine can be stopped
by simply turning the ignition switch to STOP. Use this
method only in emergency situations. For normal engine shut
down follow the procedure given in Stopping The Rider And
Engine .
Stopping the Rider
1. Return the ground speed levers to the middle (or neutral
‘N’) position to stop rider movement. Pivot the levers
outward to lock them in the START/PARK position.
Note:Moving the ground speed levers to the START/ PARK
position automatically engages the parking brake.
2. Disengage the PTO by pushing down on the PTO switch.
3. Move the engine speed control to the SLOW position and
turn the ignition switch to OFF. Remove the key.
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14
Mowing
1. Make sure the PTO switch is disengaged, the ground
speed control levers are locked in their START/PARK
positions, and the operator is in the seat.
2. Start the engine. See Starting the Engine .
3. Set the mower cutting height. See Cutting Height
Adjustment .
4. Set the engine speed control to FAST.
5. Engage the PTO by pulling up on the PTO switch.
6. Pivot the ground speed levers in from the START/PARK
position to the neutral ‘N’ position.
7. Begin mowing. See Operator Safety for tips on safe
mowing practices.
8. When finished, shut off the PTO.
9. Stop the engine. See Stopping The Rider And Engine .
Pushing the Rider By Hand
WARNING
Unsafe Operation Hazard.
DO NOT disengage the transmissions and coast down
slopes. DO NOT use Roll Release to disengage the
transmissions unless machine motion can be controlled and
engine is off.
NOTICE
Do not tow rider.Towing the unit will cause transmission
damage. Do not use another vehicle to push or pull this
unit.
1. Disengage the PTO, lock the ground speed levers into
their START/PARK positions, turn the ignition OFF,
remove the key, and wait for all moving parts to stop.
2. To disengage the transmissions, move the roll release
levers (A or B, Figure6, depending on model), into the
PUSH position as shown.
3. Pivot the ground speed levers in from the START/ PARK
position to the neutral ‘N’ position to disengage the
parking brake. The rider can now be pushed by hand.
4. After moving the rider, re-engage the transmissions
by moving the roll release levers back to the DRIVE
position.
Driving
Zero Turn Driving Practice
Before attempting to drive the zero-turn riding mower make
sure you have read the Features and Controls section
and understand the location and function of all of the unit’s
controls.
The ground speed control levers of this zero-turn riding
mower are responsive, and learning to gain a smooth and
efficient control of the unit’s forward, reverse, and turning
movements will take some practice.
Spending some time going through the maneuvers shown
and becoming familiar with how the unit accelerates, travels,
and steers, before you begin mowing, is absolutely
essential to getting the most out of the zero-turn riding
mower.
Locate a smooth, flat area of your lawn, one with plenty of
room to maneuver. Clear the area of objects, people, and
animals before you begin. Operate the unit at mid-throttle
during this practice session (ALWAYS operate at full throttle
when mowing), and turn slowly to prevent tire slippage and
damage to your lawn.
We suggest you begin with the Smooth Travel procedure,
and then advance through the forward, reverse, and turning
maneuvers.
Smooth Travel
The lever controls of the Zero Turn rider are responsive.
The BEST method of handling the ground speed control
levers is in three steps — as shown in Figure 7.
FIRST place your hands onto the levers as shown.
SECOND, to go forward gradually push the levers forward
with your palms.
THIRD, to speed up move the levers farther forward. To slow
down smoothly, slowly move the levers toward neutral.
Basic Driving
Forward Travel Practice
Gradually move both ground speed control levers — evenly
FORWARD from neutral. Slow down and repeat.
NOTE: Straight forward travel takes practice. If necessary, top
speed can be balance-adjusted — see the Speed Balancing
Adjustment in the Adjustments section near the back of this
manual.
Reverse Travel Practice
LOOK DOWN & BEHIND, then gradually move both ground
speed control levers evenly BACK from neutral. Slow down
and repeat.
NOTE: Practice backing up for several minutes before
attempting to do so near objects. The rider turns sharply in
reverse as well as forward, and backing up straight takes
practice.
Practice Turning Around A Corner
While traveling forward allow one handle to gradually return
back toward neutral. Repeat several times.
NOTE: To prevent pivoting directly on the tire tread, it is best
to keep both wheels going at least slightly forward.
Practice Turning in Place
To turn in place, “Zero Turn,” gradually move one ground
speed control lever forward from neutral and one lever back
from neutral simultaneously. Repeat several times.
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15
NOTE: Changing the amount each lever is pulled—forward or
back, changes the “pivot point” you turn on.
Advanced Driving
Executing an End-Of-Row Zero Turn
Your Zero Turn Rider’s unique ability to turn in place allows
you to turn around at the end of a cutting row rather than
having to stop and Y-turn before starting a new row.
For example, to execute a left end-of row zero turn:
1. Slow down at the end of the row.
2. Move the RIGHT ground speed control lever forward
slightly while moving the LEFT ground speed control lever
back to center and then slightly back from center.
3. Begin mowing forward again.
This technique turns the rider LEFT and slightly overlaps
the row just cut —eliminating the need to back up and re-cut
missed grass.
As you become more familiar and experienced with operating
the Zero Turn rider, you will learn more maneuvers that will
make your mowing time easier and more enjoyable.
Remember, the more you practice, the better your control
of the Zero Turn will be!
Towed Equipment
Secure the trailer with an appropriately sized clevis pin (A,
Figure13) and clip (B). SeeOperator Safetyfor additional
safety information regarding trailers and towing.
WARNING
Towing Hazard
Towed loads can be hazardous and cause loss of control
on slopes.
The max gross (trailer & load) weight of trailer is 200 lbs
(91kg).
Do not operate on slope exceeding 5 degrees.
Reduce speed and use extreme caution on slopes.
Cutting Height Adjustment
The cutting height adjust pedal adjusts the mower cutting
height. SeeSpecificationsfor cutting height adjustment
range.
To adjust cutting height:
1. Fully depress the cutting height adjust pedal (A,
Figure14) until the transport release rod (B) locks the
deck into the highest position (transport position).
2. Remove the pin (C, Figure14) from the adjustment
bracket, and insert it in the desired hole.
Note:Make sure the pin is inserted into the holes in both
upper and lower plates of the adjustment bracket.
3. Depress the cutting height adjust pedal, move the
transport release rod outward, and slowly release the
pedal until it rests against the pin.
Mower Removal And Installation
Refer to the Mower Deck Manual for instructions on removing
and installing the mower deck.
Mower Deck Leveling
Refer to the Mower Deck Manual for instructions on leveling
the mower deck.
Cargo Bed (select models)
The cargo bed is designed to carry up to 50 lbs (22,7 kg).
Slots in the rear of the bed will accommodate a 2 x 4 or 2 x 6
to help secure loads during transport.
WARNING
Amputation Hazard
Rotating blades cut off arms and legs. Do not carry riders
(especially children) even with the blades off. They may fall
off or return for another ride when you are not expecting it.
WARNING
Loss of Control and Roll-Over Hazard
Operating with loads in the cargo bed greater than 50 lbs
can be hazardous and cause loss of control and roll-overs.
The cargo bed can be raised to access the engine
compartment without removing it.
To raise the cargo bed
1. Raise the seat (A, Figure15).
2. Pull up firmly on the rear of the bed (B, Figure15).
3. When lowering the bed, press down firmly to secure the
rear of the bed in place with the locking clips (D).
To remove the cargo bed
1. Remove the pins (C, Figure15) securing the front of the
bed to the rider frame.
2. Pull up firmly on the rear of the bed to release the locking
clips (D, Figure15).
3. Lift and remove the cargo bed from the rider.
CAUTION
To avoid injury, assistance is required when removing or
installing the cargo bed.
To install the cargo bed
1. Position the bed over the engine compartment, aligning
the holes in the front of the bed with the holes in the
frame brackets.
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16
2. Install the pins (C, Figure15) into the holes.
3. Lower the rear of the bed, pressing down firmly to secure
with the locking clips (D, Figure15).
CAUTION
To avoid injury, assistance is required when removing or
installing the cargo bed.
Suspension Adjustment (if equipped)
The shock assemblies (A, Figure16- front shown, rear
similar) can be adjusted to vary the amount of pre-load
applied to the springs. This allows the operator to customize
the ride according to operator’s weight and operating
conditions.
Less Pre-Load:
Light operator weight
Softer, more cushioned ride
Best for relatively flat terrain
More Pre-Load:
Heavy operator weight
Stiffer, more rigid ride
Better handling and greater stability on hilly terrain
To Adjust the Spring Pre-Load:
1. Park machine on a flat, level surface. Disengage the
PTO, pivot the ground speed levers out to the START/
PARK position, and stop the engine.
2. Turn the pre-load adjustment collar (B, Figure16) to a
higher notch (-) to decrease the pre-load, or to a lower
notch (+) to increase the pre-load. Make sure all shocks
are set to the same amount of pre-load.
Maintenance
Maintenance Schedule
WARNING
Unintentional sparking can result in fire or electric shock.
Unintentional start-up can result in entanglement, traumatic
amputation, or laceration.
Before performing adjustments or repairs:
Disconnect the spark plug wire and keep it away from
the spark plug.
Disconnect battery at negative terminal (only engines
with electric start).
Use only correct tools.
Do not tamper with governor spring, links, or other parts
to increase engine speed.
Replacement parts must be of the same design and
installed in the same position as the original parts.
Other parts may not perform as well, may damage the
unit, and may result in injury.
Do not strike the flywheel with a hammer or hard object
because the flywheel may shatter during operation.
TRACTOR AND MOWER
Every 8 Hours or Daily
Check safety interlock system
Clean debris off tractor and mower deck
Clean debris from engine compartment
Every 25 Hours or Annually *
Check mower blade stopping time
Check tractor and mower for loose hardware
Check tire pressure
Every 50 Hours or Annually *
Check tractor brakes
Clean battery and cables
See Dealer Annually to
Lubricate tractor and mower
Check mower blades **
* Whichever comes first
** Check blades more often in regions with sandy soils or high
dust conditions.
ENGINE
First 5 Hours
Change engine oil
Every 8 Hours or Daily
Check engine oil level
Every 25 Hours or Annually *
Clean engine air filter and pre-cleaner **
Every 50 Hours or Annually *
Change engine oil
Replace oil filter
Annually
Replace air filter
Replace pre-cleaner
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17
ENGINE
See Dealer Annually to
Inspect muffler and spark arrester
Replace spark plug
Replace fuel filter
Clean engine air cooling system
* Whichever comes first
** Clean more often in dusty conditions or when airborne
debris is present.
Checking Tire Pressures
Tire pressure should be checked periodically (see Figure 17),
and maintained at the levels shown in the Specifications
chart. Note that these pressures may differ slightly from the
"Max Inflation" stamped on the side-wall of the tires. The
pressures shown provide proper traction and extend tire life.
Check Mower Blade Stopping Time
Mower blades and mower drive belt should come to a
complete stop within five seconds after the electric PTO
switch is turned off.
WARNING
Unsafe Operation Hazard
If the mower blade does not come to a complete stop within
5 seconds, the blade must be adjusted. Do not operate the
machine until the proper adjustment has been performed by
an authorized dealer.
Check the mower blade for proper function. See Safety
Interlock System Tests. The blade should stop rotating in 5
seconds or less after moving the blade control to the OFF
position.
Battery Maintenance
WARNING
Explosion and Fire Hazard
When removing or installing battery cables, disconnect the
negative cable FIRST and reconnect it LAST. If not done in
this order, the positive terminal can be shorted to the frame
by a tool.
Cleaning the Battery and Cables
1. Disconnect the cables from the battery, negative cable
first (B, Figure18).
2. Clean the battery terminals and cable ends with a wire
brush until shiny.
3. Reinstall the battery and reattach the battery cables,
positive cable first (A, Figure18).
4. Coat the cable ends and battery terminals with petroleum
jelly or non-conducting grease.
5. Be sure to replace the terminal cover over the positive
battery terminal (A, Figure18).
Charging The Battery
WARNING
Explosion and Fire Hazard
Keep open flames and sparks away from the battery; the
gasses coming from it are highly explosive. Ventilate the
battery well during charging.
A dead battery or one too weak to start the engine may be
the result of a defect in the charging system or other electrical
component. If there is any doubt about the cause of the
problem, see your dealer.
To charge the battery, follow the instructions provided by the
battery charger manufacturer as well as all warnings included
in the Operator Safety section of this manual. Charge the
battery until fully charged. Do not charge at a rate higher than
10 amps.
Seat And Ground Speed Lever
Adjustments
The seat and ground speed levers should be adjusted so
that the ground speed levers can be moved through their full
range of motion without contacting the operator’s legs.
Seat Adjustment
1. Raise the seat.
2. Loosen the adjustment hardware (A or B, Figure19,
depending on seat type) under the seat base.
3. Slide the seat forward or backward to the desired
position.
4. Tighten the hardware to 80 lb-in (9 Nm).
Ground Speed Lever Adjustment
1. Loosen the ground speed lever mounting hardware (A,
Figure20) to adjust the levers forward and backward.
2. Remove the hardware to raise or lower the levers.
3. Always be sure to adjust both levers so that they are
aligned (B, Figure20).
4. After adjustment is complete, tighten the hardware to 13
lb-ft (18 Nm).
Speed Balancing (Tracking) Adjustment
If the rider drifts to the right or left when the ground speed
levers are in the maximum forward position, the top speed of
each of these levers can be balanced. Only adjust the speed
of the wheel that is traveling faster.
1. Tighten the knob (A, Figure21) of the faster wheel by 1/2-
turn (clockwise) increments until the rider travels (tracks)
straight.
WARNING
Unsafe Operation Hazard
Not for
Reproduction
18
DO NOT adjust the rider for a faster overall speed
forward or reverse than it was designed.
Changing The Oil
Used oil is a hazardous waste product and must be disposed
of properly. Do not discard with household waste. Check
with your local authorities, service center, or dealer for safe
disposal/recycling facilities.
Draining The Oil
1. With engine off but still warm, disconnect the spark plug
wire (A, Figure22) and keep it away from the spark plug.
2. Remove the dipstick (B, Figure22).
Standard Oil Drain Plug
1. Remove the oil drain plug (C, Figure22). Drain the oil into
an approved container.
2. After the oil has drained, install and tighten the oil drain
plug.
Optional Quick Oil Drain
1. Disconnect the oil drain hose (H, Figure23) from the side
of the engine.
2. Turn and remove the oil drain cap (I, Figure23). Carefully
lower the quick oil drain (H) into an approved container
(J).
3. After the oil has drained, install the oil drain cap. Attach
the oil drain hose to the side of the engine.
Changing The Oil Filter
For replacement intervals, see Maintenance Schedule.
1. Drain the oil from the engine. See Draining The Oil .
2. Remove the oil filter (K, Figure 24) and dispose of
properly.
3. Before installing the new oil filter, lightly lubricate the oil
filter gasket with fresh, clean oil.
4. Install the oil filter by hand until the gasket contacts the oil
filter adapter, then tighten the oil filter 1/2 to 3/4 turns.
5. Add oil. See Operation - Check Oil Level .
6. Start and run the engine. As the engine warms up, check
for oil leaks.
7. Stop the engine and check the oil level.
Servicing The Air Filter
WARNING
Fire and Explosion Hazard
Fuel and its vapors are extremely flammable and explosive.
Fire or explosion can cause severe burns or death.
Never start or run the engine with the air cleaner
assembly or air filter removed.
NOTICE
Do not use pressurized air or solvents to clean the filter.
Pressurized air can damage the filter and solvents will
dissolve the filter.
1. Loosen the fasteners (A, Figure25) and remove the
cover (B).
2. To remove the filter (C, Figure25), lift the end of the
filter.
3. Remove the pre-cleaner (D, Figure25), if equipped, from
the filter.
4. To loosen debris, gently tap the filter on a hard surface. If
the filter is excessively dirty, replace with a new filter.
5. Wash the pre-cleaner in liquid detergent and water. Then
allow it to thoroughly air dry. Do not oil the precleaner.
6. Assemble the dry pre-cleaner to the filter.
7. Install the filter into the engine base (E, Figure25) and
push down until the filter snaps in place.
8. Install the cover.
Cleaning
1. Clean dirt and debris from the rider and mower deck.
Note:Some mower decks feature a washout port. See
Washing The Mower Deck .
2. Clean any debris buildup in the engine compartment and
from on or around the engine.
WARNING
Fire Hazard
Yard debris is combustible.
Clean dirt and debris from the rider and mower deck.
Clean build-up from around the engine.
Washing The Mower Deck
The washout port allows you to connect a typical garden hose
to the left-hand side of the mower deck to remove grass and
debris from the underside.
WARNING
Amputation and Thrown Object Hazard
Contact with the mower blades, or with objects thrown by
the mower blades, could result in death or serious injury.
Before running the mower, make sure the hose is
properly connected and does not come into contact with
the blades.
When the mower is running and the blades are
engaged, the person cleaning the mower deck must be
in the operator position, with no bystanders in the area.
1. Place the unit on a smooth level surface.
2. Attach the quick disconnect (C, Figure26) to garden hose
(B) and connect to the washout port (A) on the mower
deck.
Not for
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19
3. Run water to remove grass and debris from the underside
of the mower deck.
4. Turn the mower on and place in the highest cutting
position.
5. Turn the mower off.
6. Remove the garden hose and quick disconnect from the
washout port when completed.
Storage
WARNING
Fire and Explosion Hazard
Never store the unit (with fuel) in an enclosed, unventilated
structure. Fuel vapors can travel to an ignition source (such
as a furnace, water heater, etc.) and cause an explosion.
Fuel vapor is also toxic to humans and animals.
When Storing Fuel Or Equipment With Fuel in Tank
Store away from furnaces, stoves, water heaters, or
other appliances that have pilot lights or other ignition
sources because they can ignite fuel vapors.
Equipment
Disengage the PTO, lock the ground speed levers in the
START/PARK position, and remove the key.
Battery life will be increased if it is removed. Put in a cool, dry
place and keep fully charged during storage. If the battery is
left in the unit, disconnect the negative cable.
Fuel System
Fuel can become stale when stored over 30 days. Stale fuel
causes acid and gum deposits to form in the fuel system
or on essential carburetor parts. To keep fuel fresh, use
Briggs & Stratton® Advanced Formula Fuel Treatment
& Stabilizer, available wherever Briggs & Stratton genuine
service parts are sold.
There is no need to drain gasoline from the engine if a fuel
stabilizer is added according to instructions. Run the engine
for 2 minutes to circulate the stabilizer throughout the fuel
system. The engine and fuel can then be stored up to 24
months.
If gasoline in the tank has not been treated with a fuel
stabilizer, it must be drained into an approved container.
Run the engine until it stops from lack of fuel. The use of a
fuel stabilizer in the storage container is recommended to
maintain freshness.
Engine Oil
While the engine is still warm, change the engine oil.
Before starting the unit after it has been stored:
Check all fluid levels. Check all maintenance items.
Perform all recommended checks and procedures found
in this manual.
Allow the engine to warm up for several minutes before
use.
Troubleshooting
Troubleshooting The Rider
PROBLEM LOOK FOR REMEDY
Ground speed levers
not in START/PARK
positions.
Lock ground speed
levers in START/ PARK
positions.
PTO (electric clutch)
switch in ON position.
Place in OFF position.
Out of fuel. If engine is hot, allow
it to cool, then refill the
fuel tank.
Fuel valve closed (if
equipped).
Open fuel valve.
Engine flooded. Open the choke (if
equipped).
Gas is old or stale. Drain fuel and replace
with fresh fuel.
Battery terminals
require cleaning.
Clean the battery
terminals.
Battery discharged or
dead.
Recharge or replace.
Spark plug(s) faulty,
fouled or incorrectly
gapped.
Clean and gap or
replace.
Engine will not turnover
or start.
Water in fuel. Drain fuel and refill with
fresh fuel.
Fuel mixture too rich. Clean air filter. Check
the choke (if equipped).
Spark plug faulty,
fouled, or incorrectly
gapped.
Clean and gap or
replace.
Engine starts hard or
runs poorly.
Fuel filter dirty. Replace fuel filter.
Low oil level. Check/add oil as
required.
Engine knocks.
Using wrong grade oil. See Oil
Recommendations .
Engine running too hot. Check engine fins,
blower screen, and air
cleaner.
Using wrong grade oil. See Oil
Recommendations .
Excessive oil
consumption.
Too much oil in
crankcase.
Drain excess oil.
Dirty air filter. Replace air filter.Engine exhaust is black.
Engine choke control is
in closed position.
Open choke control (if
equipped).
Engine runs, but rider
will not drive.
Transmission(s)
disengaged.
Unlock roll release
lever(s).
Rider drive belt slips. Pulleys or belt greasy or
oily.
Clean as required.
Rider steers or handles
poorly.
Steering linkage is
loose.
Check and tighten any
loose connections.
For all other issues, see authorized dealer.
Troubleshooting The Mower
PROBLEM LOOK FOR REMEDY
Mower will not raise. Mower deck not
properly installed.
SeeMower Removal
And Installation.
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20
PROBLEM LOOK FOR REMEDY
Mower not leveled
properly.
SeeMower Deck
Leveling.
Mower cut is uneven.
Rider tires not inflated
equally or properly.
SeeMaintenancesection.
Engine speed too slow. Set engine speed
control to FAST.
Mower cut is rough
looking.
Ground speed too fast. Decrease ground
speed.
Engine speed too slow. Set engine speed
control to FAST.
Ground speed too fast. Decrease ground
speed.
Cutting height set too
low.
Cut tall grass at
maximum cutting height
during first pass.
Engine stalls easily with
mower engaged.
Discharge chute
jamming with cut grass.
Cut grass with
discharge pointing
toward previously cut
area.
Excessive mower
vibration.
Blade mounting
hardware is loose.
Tighten to 50-60 ft-lbs
(68-81 Nm).
For all other issues, see authorized dealer.
Specifications
ENGINE
Briggs & Stratton
Intek™ Series
Displacement 44.18 cu in. (724 cc)
Professional Series™
Displacement 44.18 cu in. (724 cc)
All Engines
Oil Capacity 64 oz (1,9 L)
Spark Plug Gap 0.030 in. (0,76 mm)
Spark Plug Torque 180 in-lbs (20 Nm)
CHASSIS
Fuel Tank Capacity 3 gal (11,4 L)
Inflation Pressure
- Front Wheels 22 psi (1,52 bar)
- Rear Wheels 12 psi (0,83 bar)
TRANSMISSION
Hydro-Gear® EZT®Type
Hydro-Gear® ZT-2800®
MOWER
42” (107 cm)
44” (112 cm)
46” (117 cm)
48” (122 cm)
Width of Cut
52” (132 cm)
1.5” - 3.75” (3,8 - 9,5 cm)Cutting Height
1.5” - 4.5” (3,8 - 11,7 cm)
Power Ratings
The gross power rating for individual gasoline engine models is labeled in accordance with SAE (Society of Automotive
Engineers) code J1940 Small Engine Power & Torque Rating Procedure, and is rated in accordance with SAE J1995. Torque
values are derived at 2600 RPM for those engines with “rpm” called out on the label and 3060 RPM for all others; horsepower
values are derived at 3600 RPM. The gross power curves can be viewed at www.BRIGGSandSTRATTON.COM. Net power
values are taken with exhaust and air cleaner installed whereas gross power values are collected without these attachments.
Actual gross engine power will be higher than net engine power and is affected by, among other things, ambient operating
conditions and engine-to-engine variability. Given the wide array of products on which engines are placed, the gasoline engine
may not develop the rated gross power when used in a given piece of power equipment. This difference is due to a variety
of factors including, but not limited to, the variety of engine components (air cleaner, exhaust, charging, cooling, carburetor,
fuel pump, etc.), application limitations, ambient operating conditions (temperature, humidity, altitude), and engine-to-engine
variability. Due to manufacturing and capacity limitations, Briggs & Stratton may substitute an engine of higher rated power for
this engine.
Note:The engine information contained in this manual applies
to Briggs & Stratton engines only. For information regarding
non-Briggs engines, refer to the engine manual supplied with
your unit.
Parts And Accessories
See an Authorized Service Dealer.
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