MODEL DESIGNATION ENGINE OPTION
ENGINE HP ENGINE TYPE
DRIVE SYSTEM TYPE ENGINE MODEL
CUTTING WIDTH SERIES DESIGNATION
LT – Model Designation I – Series Designation
160 – 16.0 HP (Engine Horse Power) B – Briggs & Stratton Engine
180 – 18.0 HP (Engine Horse Power) V – Over Head Valve Type Engine
H – Hydrostatic Transmission Drive System 2 – Twin Cylinder Engine
42 – 42” Cutting Width Mower Deck
Thank you for buying a SNAPPER product! Before operating the Lawn Tractor, read and follow the
“IMPORTANT SAFETY INSTRUCTIONS” on pages 2 thru 4, all other instructions contained in this manual and
the accompanying booklet “About Power Mower Safety”. Lawn mowers and all power equipment can be
potentially dangerous if used improperly. REMEMBER: SAFETY REQUIRES CAREFULL USE IN ACCORDANCE
WITH INSTRUCTIONS AND COMMON SENSE!
WARNING: This powerf ul cutting machine is capab le of amputating hand s and feet and can throw objects that
can cause injury and damage! Failure to comply with the follow ing SAFETY instru ctions could resu lt in serious
injury or death to the operator or other persons. The owner of the machine must understand these instructions
and must allow only persons who understand these instructions to operate machine. Each person operating the
machine must be of sound mind and body and must not be under the influence of any substance, which might
impair vision, dexterity or judgment. If you have any questions pertaining to your machine which your dealer
cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER, McDonough,
Georgia 30253. Phone: (1-800-935-2967).
PROTECTION FOR CHILDREN
Tragic accidents can occur if the operator is not alert to the
presence of children. Children are often attracted to the
machine 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 a responsible adult.
2. DO NOT allow children in yard when machine is
operated (even with the blade OFF).
3. DO NOT allow children or others to ride on machine,
attachments or towed equipment (even with the
blades OFF). They may fall and be seriously injured.
4. DO NOT allow pre-teenage children to operate
machine.
5. ALLOW only responsible adults & teenagers with
mature judgment under close adult supervision to
operate machine.
6. DO NOT operate blades in reverse. STOP BLADES.
LOOK and SEE behind and down for children, pets
and hazards before and while backing.
7. USE EXT RA CARE when approaching blind corners,
shrubs, trees, or other objects that may obscure
vision.
PROTECTION AGA INST TIPOVERS
Slopes are a major factor related to loss-of-control and tipover accidents, which can result in severe injury or death.
All slopes require extra CA UTION. If you cannot back up
the slope or if you feel uneasy on the slope, DO NOT mow
it. Use extra care with grass catchers or other attachments;
these affect the handling and the stability of the machine.
1. DO NOT operate machine on slopes exceeding 15
degrees (27% grade).
2. Exercise EXTREME CAUTION on slopes above 10
degrees (18% grade). Tu rn blades O FF w hen t raveling
uphill. Use a slow speed and avoid sudden or sharp
turns.
3. DO NOT operat e machine back and forth across face
of slopes. Operate up and down. Practice on slopes
with blades off.
4. AVOID starting, stopping or turning on slopes. If
machine stops going uphill or tires lose traction, turn
blades OFF and back slowly straight down the slope.
5. STAY ALERT for holes and other hidden hazards. Tall
grass can hide obstacles. Keep away from ditches,
washouts, culverts, fences and protruding objects.
PROTECTION AGA INST TIPOVERS
(Continued From Previous Column)
6. KEEP A SAFE DISTANCE (at least 3 feet) away from
edge of ditches and other drop offs. The machine
could turn over if an edge caves in.
7. Always begin forward motion slowly a nd with caution.
8. Use weights or a w eighted load carrier in accord ance
with instructions supplied with a grass catcher. DO
NOT operate machine on slopes exceeding 10 degrees
(18% grade) when equipped with grass catcher.
9. DO NOT put your foot on the ground to try to stabilize
the machine.
10. DO NOT operate machine on wet grass. Reduced
traction could cause sliding.
11. Chose a low enough speed setting so that you will not
have to stop or shift on a slope. Tires may lose traction
on slopes even though the brakes are functioning
properly.
12. DO NOT operate machine under any condition where
traction, steering or stability is doubtful.
13. Always keep the machine in gear when going down
slopes. DO NOT shift to neutral (or actuate hydro roll
release) and coast downhill.
PREPARA TION
1. Read, understand, and follow instructions and
warnings in this manual and on the machine, engine
and attachments. Know the controls and the proper
use of the machine before starting.
2. Only mature, responsible persons shall operate the
machine and only after proper instr uction.
3. Data indicates that operators age 60 and above, are
involved in a large percentage of mower-related
injuries. These operators should evaluate their ability
to operate the mower safely enough to protect
themselves and others from serious injury.
4. Handle fuel with extra care. Fuels are flammable an d
vapors are explosive. Use only an approved fuel
container. DO NOT remove fuel cap or add fuel with
engine running. Add fuel outdoors only with engine
stopped and cool. Clean spilled fuel from machine. DO
NOT smoke.
5. Practice operation of machine with BLADES OFF to
learn controls and develop skills.
6. Check the area to be mowed and remove all objects
such as toys, wire, rocks, limbs an d ot her o bject s t hat
could cause injury if thrown by blade or interfere with
mowing.
2
IMPORTANT SAFETY INSTRUCTIONS
PREPARATION
(Continued From Previous Page)
7. Keep people and pets out of mowing area.
Immediately STOP blades, STOP engine, and
STOP machine if anyone enters the area.
8. Check shields, deflectors, switches, blade
controls and other safety dev ices frequently for
proper operation and location.
9. Make sure all safety decals are clearly legible.
Replace if damaged.
10. Protect yourself w hen mowing and wear safety
glasses, long pants and substantial footwear.
11. Know how to STOP blades and engine quickly
in preparation for emergencies.
12. Use extra care when loading or unloading the
machine into a trailer or truck.
13. Check grass catcher components frequently for
signs of wear or deterioration and replace as
needed to prevent injury from thrown objects
going through weak or worn spots.
SAFE HANDLING OF GASOLINE
To avoid personal injury or property damage , use
extreme care in handling gasoline. Gasoline is
extremely flammable and the vapors are explosive
1. Extinguish all cigarettes, cigars, pipes and other
sources of ignition.
2. Use only an approved fuel container.
3. DO NOT remove fuel cap or add fuel with the
engine running. Allow the engine to cool before
refueling.
4. DO NOT refuel the machine indoors.
5. DO NOT store the machine or fuel container
inside where there is an open flame, spark or
pilot light such as on a water heater or other
appliances.
6. DO NOT fill fuel containers inside a vehicle or
on a truck or trailer bed with a plastic liner.
Always place the containers on the ground
away from the vehicle before filling.
7. Remove gas-powered equipment from the
vehicle or trailer and refuel it on the ground. If
this is not possible, then refuel equipment using
a portable container, rather than a gasoline
dispenser nozzle.
8. DO NOT start gas powered equipment in
enclosed vehicles or trailers.
9. Keep the 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 lockopen device
10. If fuel is spilled on clothing, change clothing
immediately.
11. Never overfill a fu el tank. Replace fuel cap and
tighten securely.
OPERATION
1. Mount and dismount machine from left side.
2. Start engine from operator's seat, if possible.
Make sure blades are OFF and parking brake is
set.
3. DO NOT leave machine with engine running.
STOP engine, STOP blades, SET brake, and
Remove key before leaving operators position
of any reason.
4. DO NOT operate machine unless properly
seated with feet on feet rests or pedal(s).
5. STOP BLADES and ENGINE and make sure
blades have stopped before removing grass
catcher or unclogging mower to prevent loss of
fingers or hand.
6. Blades must be OFF except when cutting grass.
Set blades in highest position when mowing
over rough ground.
7. Keep hand s and feet away from rotating blades
underneath deck. DO NOT place foot on ground
while BLADES are ON or machine is in motion.
8. DO NOT operate machine without entire grass
catcher or guards in place. DO NOT point
discharge at people, passing cars, windows or
doors.
9. Slow down before turning.
10. Watch out for traffic when near or crossing
roadways.
11. STOP engine immediately after striking an
obstruction. Inspect machine and repair damage
before resuming operation.
12. Operate machine only in daylight or with good
artificial light.
13. Move joystick (if equipped) SLOWLY to maintain
control during speed and directional changes.
14. Exercise CAUTION when pulling loads. Limit loads
to those you can safely control and attach loads to
hitch plate as specified wit h SNAPPER attachment
instructions.
15. On slopes, the weight of the towed equipment may
cause loss of traction and loss of control. When
towing, travel slowly and allow extra distance to
stop.
16. DO NOT operate engine in enclosed areas.
Engine exhaust gases contain carbon
monoxide, a deadly poison.
3
IMPORTANT SAFETY INSTRUCTIONS
MAINTENANCE
1. DO NOT store machine or fuel container inside
where fumes may reach an open flame, spark or
pilot light such as in a water heater, furnace,
clothes dryer or other gas appliance. Allow
engine to cool before storing machine in an
enclosure. Store fuel container o ut of the reach
of children in a well ventilated, unoccupied
building.
2. Keep engine free of grass, leaves or excess
grease to reduce fire hazard and engine
overheating.
3. When draining fuel tank, drain fuel into an
approved container outdoors and away from
open flame.
4. Check brakes frequently; adjust, repair or
replace as needed.
5. Keep all bolts, nuts and screws properly tight.
Check that all cotter pins are in proper position.
6. Always provide adequate ventilation when
running engine. Exhaust gases contain carbon
monoxide, an odorless and deadly poison.
7. Disconnect negative (black) cable from battery
before performing maintenance or service.
Cranking engine could cause injury.
8. DO NOT work under machine without safety
blocks.
9. Service engine and make adjustments only
when engine is stopped. Remove spark plug
wire(s) from spark plug(s) and secure wire(s)
away from spark plug(s).
10. DO NOT change engine governor speed
settings or overspeed engine.
11. Lubricate machine at intervals specified in
manual to prevent controls from binding.
12. Mow er blades are sharp and can cut. Wrap the
blades or wear heavy leather gloves and use
CAUTION when handling them.
13. DO NOT test for spark by grounding spark plug
next to spark plug hole; spark plug could ignite
gas exiting engine.
14. Have machine serviced by an authorized
SNAPPER dealer at least once a year and have
the dealer install any new safety devices.
15. Use only genuine SNAPPER replacement parts
to assure that original standards are
maintained.
4
TABLE OF CONTENTS
The figures and illustrations in this manual are
eference only and may differ from
your specific model. Contact your Snapper dealer if
IMPORTANT SAFETY INSTRUCTIONS..................2 - 4
TABLE OF CONTENTS..................................................5
The nomenclature drawings above, illustrate the
essential components of the SNAPPER Lawn Tractor. It
is recommended that all operators of this equipment
become thoroughly familiar with the components and
their operation BEFORE OPERATING. Specific details
involving the engine are found in the separate Engine
Owner’s Manual.
PARK
BRAKE
LEVER
OPERATOR’S
SEAT
FIGURE 1.1
LIGHT
CHOKE
BLADE
FAST
SLOW
STEERING
WHEEL
ENGINE SPEED
CONTROL
DASHBOARD CONTROLS
SWITCH
IGNITION
KEY
FUEL TANK
(UNDER HOOD)
HOOD
HEADLIGHTS
ENGINE
Study the Important Safety Instructions, this Operator’s
Manual and Engine Owner’s Manual before operating
this machine. Keep these manuals available for future
reference.
CONTROLS
All operators should be acquainted with the operator’s
controls before attempting start-up or operation of the
Lawn Tractor. See the Control Panel drawing above.
6
Section 2 - OPERATING INSTRUCTIONS
2.1 PRE-START CHECKLIST
Make the following checks and perform service as
required before each start-up.
2.1.1. Check tires and add air as needed to bring
pressure to 12 P.S.I. in front tires and 12 P.S.I. in
rear tires.
2.1.2. Check guards, deflector s and covers to make
sure all are in place and securely tightened. I f guards
are missing or damaged, replace BEFORE using
mower.
2.1.3. Check engine oil and add oil as needed to
bring level up to, but not over, the FULL mark . Ref er to
engine owner’s manual for oil specifications. See Figure
2.1.
SAFE
LEVEL
AREA
FIGURE 2.1
2.1.4. Check blade switch to ensure it moves
freely. Manually pull switch out to the “ON” position
and push switch down to the “OFF” position.
2.1.5. Clean exterior surf aces of cutting deck , engine
and tractor of any accumulation of dirt, grass, oil, etc.
Keep engine air intake screens and cooling fins clean at
all times.
2.1.6. With engine “OFF” move the tractor outside
and add fuel to the fuel tank. Securely tighten fuel cap
after refueling. Refer to engine owner’s manual for fuel
specifications. See Figure 2.2.
2.1.7. Check Reverse Lock out Mechanism. R ef er to
Section “Reverse Lockout Mechanism”.
FUEL TANK
2.2 OPERATOR’S SEAT ADJUSTMENT
2.2.1. FRONT TO REAR ADJUSTMENT
1. With the engine "OFF", raise operator's seat and
loosen the two adjusting knobs on the seat support.
Lower the seat. Sit in the operator's seat and slide the
seat forward or backward until the clutch/brake pedal
can be fully depressed comfortably. Raise seat and
tighten the adjusting knobs to secure seat in position.
See Figure 2.3.
7
TIGHTEN CAP
AFTER
FILLING TANK
FIGURE 2.2
LOOSEN ADJUSTING
KNOBS TO ADJUST
SEAT
FIGURE 2.3
Section 2 - OPERATING INSTRUCTIONS
POSITION
SWITCH
2.3 STARTING & OPERATION
2.3.1. STARTING ENGINE
1. Take a comfortable position in seat of machine,
look around to make sure that the area you are going to
mow is clear of people, children and pets . Take note of
any stationary obstacles!
NOTE: The interlock system will prevent the engine from
starting if the blade switch is in the "ON" (up) position or if
the clutch/brake pedal is not fully depressed. If the interlock
system ever fails to work , DO NOT OPERATE the tractor
until the interlock has been repaired.
2. Push blade switch down to the "OFF" position. See
Figure 2.4.
PUSH BLADE SWITCH “DOWN” TO
START MACHINE
BLADE
SWITCH
5. Choke engine for cold starting by moving engine
speed control to "CHOKE" position. NOTE: Some
models are equipped with a separate chok e control,
located on the dash of the tractor. Pull the control
“OUT” to choke pos ition to start a cold engine. Little
or no choking will be needed when restarting a warm
engine. Insert key in switch. Turn key to "START"
position to crank engine and hold until engine starts,
then release key to “RUN” position. See Figure 2.6.
NOTE: DO NOT crank engine for more than five
seconds at a time. T his will help prevent the starter f rom
overheating and/or running down the battery. If cranking
time is more than f ive seconds, loc ate and correct cause
of starting problem.
6. After engine starts, release key, move the engine
speed control to "FAST" position and allow engine to
warm up before proceeding. See Figure 2.6.
OFF
FIGURE 2.4
3. Depress the clutch/brake pedal fully. See Figure 2.5.
4. Move speed control lever to neutral.
NOTE: The seat interlock will shut of f the engine if the
operator gets off the seat without setting the parking
brake or if the blades are running. If the interlock ever
fails to work, DO NOT OPERATE the tractor until the
interlock has been repaired.
CLUTCH/BRAKE
PEDAL
PARK
BRAKE
LEVER
FAST
SLOW
ENGINE
SPEED
CONTROL
CHOKE
LIGHT
KEY
FIGURE 2.6
DOWN
PUSH PEDAL ALL THE
WAY DOWN TO START
ENGINE
FIGURE 2.5
WARNING
DO NOT leave machine with engine running. Stop
engine. Stop blades. Set parking brake. Remove key.
8
Section 2 - OPERATING INSTRUCTIONS
KEY
POSITION
2.3 STARTING & OPERATION (Continued)
2.3.2. STARTING WHEEL DRIVE
1. Shift speed control lever to neutral.
2. Start engine. Refer to Section “STARTING
ENGINE”.
3. Release clutch/brake pedal.
4. Slowly shift speed control lever forward for
forward motion or to the rear f or revers e motion. See
Figure 2.7.
SPEED CONTROL LEVER
NEUTRAL
REVERSE
2.4 STOPPING ENGINE, BLADE, WHEEL DRIVE
2.4.1. STOPPING ENGINE
1. Stop engine by turning key to the "OFF" position. See Figure 2.9.
OFF
RUN
START
FORWARD
SPEEDS
FIGURE 2.7
2.3.3 STARTING MOWER BLADE
1. Start engine. Refer to Section “STARTING
ENGINE”.
2. Pull blade switch OUT to engage blade. See
Figure 2.8.
PUSH BLADE SWITCH IN TO
THE “OFF” POSITION
OFF
ON
PULL BLADE
SWITC H OUT TO
THE “ON”
FIGURE 2.8
WARNING
DO NOT operate blades in reverse. STOP BLADES.
LOOK and SEE behind and down for children, pets
and hazards before and while backing.
FIGURE 2.9
2.4.2. STOPPING WHEEL DRIVE
1. Fully depress clutch/brake pedal to stop wheel drive. See Figure 2.10.
CLUTCH/BRAKE
PEDAL
FULLY DEPRESS
CLUTCH/BRAKE PEDAL TO
STOP WHEEL MOTION
FIGURE 2.10
9
Section 2 - OPERATING INSTRUCTIONS
THE WAY DOWN
POSITION
LEVER
2.4 STOPPING
2.4.3. STOPPING MOWER BLADES
1. Stop mower blade by pus h i n g b l ades switch IN to
disengage blades. See Fi g u r e 2 .1 1 .
PUSH BLADE SWITCH IN TO
THE “OFF” POSITION
OFF
ON
PULL BLADE
SWITC H OUT TO
THE “ON”
FIGURE 2.11
WARNING
Once blades are disengaged, they should come to a
complete stop in 5 seconds or less. If the blades
continue to rotate after 5 seconds, the blade brake
must be repaired. Return machine to an authorized
SNAPPER dealer. DO NOT continue to operate
machine until blade brake has been repaired and
functioning properly.
2.4.4. SETTING PARK BRAKE
1. Fully depress clutch/brake pedal.
2. Move park brake lever up into slot. See Figure 2.12.
3. Release pedal.
PUSH PEDAL ALL
PARK BRAKE
LEVER
2.4.5. RELEASING PARK BRAKE
1. Fully depress clutch/brake pedal. Move park br ake
lever “DOWN” to release park brake. Release
clutch/brake pedal. See Figure 2.13.
2.5. CUTTING HEIGHT ADJUSTMENT
1. Depress lock button on cutting height adjustm ent lever. See Figure 2.14.
CLUTCH/BRAKE
PEDAL
DEPRESS
LOCK BUTTON
PARK
BRAKE
FULLY DEPRESS
CLUTCH/BRAKE
PEDAL
FIGURE 2.13
CUTTING
HEIGHT
ADJUSTMENT
LEVER
MOVE PARK BRAKE
LEVER “UP” TO
ENGAGE PARK BRAKE
FIGURE 2.12
HIGHEST CUT
LOWEST CUT
FIGURE 2.14
2. Raise or lower deck to any of six positions as
desired. Release lock button.
WARNING
DO NOT park machine on slopes.
10
Section 2 - OPERATING INSTRUCTIONS
2.6. ROLLING TRACTOR WITH ENGINE OFF
2.6.1. Rolling Hydro Models
1. With engine "OFF", move to rear of tractor.
2. Pull the roll release control all the way out to disengage the hydro transmission. See Figure 2.15.
PULL ROLL RELEASE
CONTROL ALL THE WAY
OUT TO DISENGAGE
HYDRO TRANSMISSION
PUSH ROLL RELEASE
CONTROL ALL THE WAY
IN TO ENGAGE HYDRO
TRANSMISSION
ROLL RELEASE
CONTROL
ROLL RELEASE
CONTROL
FIGURE 2.15
3. Move tractor to desired location.
4. Set park brake.
5. Push roll release control all the way in to engage
hydro transmission. See Figure 2.15.
NOTE: The transmission will not propel the tractor if it is
left in the "ROLL" position.
DO NOT disengage the hydro transmission and coast
down slopes. DO NOT use Roll Release Control to
disengage hydro transmission unless machine motion
can be controlled and engine is off.
11
WARNING
Section 2 - OPERATING INSTRUCTIONS
2.7. REVERSE LOCKOUT MECHANISM
Data indicates that tragic back-over accidents occur
each year. These accidents usually involve unsupervised
children. Many times these children have been given
rides on the mac hine and have been trained to view this
potentially dangerous piece of machinery as fun rather
than being taught how to avoid danger.
This riding mower has a Reverse Lockout Mechanism.
This mechanis m prevents the mower from being shifted
into reverse with the blades running. To shif t into reverse
you must first s top the blades and then s hif t to rever s e. It
is our recommendation that this mechanism remain
functional and the operator of this equipment develop the
habit of never backing up with the blades running. As the
Safety Instructions Indicate, DO NOT operate blades in
reverse. STOP BLADES, LOOK AND SEE BEHIND
AND DOWN for children, pets and hazards before
and while backing.
We realize that this could cause a change to your
previous mowing method but we encourage you to adjust
to this new system. Do not defeat the Reverse Lockout
Mechanism.
If you operate your mower near roadways or use
attachments that require quicker shifting to reverse,
there is an override lever provided. This lever can be
pushed and held before engaging the blades and will
allow reverse operation until the blade switch is pushed
in to the “OFF” position, at which time the system will
return to its Reverse Lockout m ode. This feature should
never be selected unless you are absolutely sure that no
children or others are present in the mowing area and
that all children are away and supervised by a
responsible adult.
2.7.1. Reverse Lockout Mechanism Override
1. Stop machine. Stop blades.
2. Depress and hold Override Lever.
3. Pull blade switch “OUT” to engage blade.
4. Release Override Lever
LOOK and SEE behind and down for children, pets
and hazards before and while backing.
IMPORTANT! DO NOT use the Reverse Lockout
Mechanism Override as the nor mal operating mode. To
return to the Reverse Lockout Mechanism mode,
disengage (STOP) blades by pushing blade switch in to
the “OFF” position. The Override will reset to Reverse
Lockout.
2.7.2. Check the Reverse Lockout Mechanism
Before each use, check the Reverse Lockout
Mechanism for proper function. The following
procedure requires the operation of the engine and
blades. Before proceeding, Read, Understand, and
Follow all Safety Instructions and Warnings in this
manual and on the machine.
1. Complete Pre-Start Checklist.
2. Move machine to clear open area. DO NOT
allow children or others in area.
3. Start engine.
4. Pull blade switch “OUT” to engage blades.
5. Reverse Lockout Mechanism must prevent
speed control lever from going into reverse.
DO NOT operate machine if Reverse Lockout
Mechanism is not functioning properly. Contact your
SNAPPER dealer immediately for assistance.
LOOK and SEE behind and down for children, pets
and hazards before and while backing.
BLADES must be turned off before backing machine.
DO NOT allow children on machine (even with
blades off) or in yard when mowing.
WARNING
WARNING
DANGER
12
Section 3 – MAINTENANCE
3.1 INTRODUCTION
To retain the quality of the Tractor, use genuine
SNAPPER replacement parts only. Contact a local
SNAPPER dealer for parts and ser vice assistance. For
the correct part or inform ation for a particular Tractor,
always mention the model and serial number. SNAPPER
recommends returning the Tractor to an authorized
SNAPPER dealer annually for inspection and addition
of any new devices, which might upgrade the safety of
the Tractor. For the nearest SNAPPER dealer in your
area, check the yellow pages under the heading LAWN
MOWERS. For engine parts and service, look for the
engine manufacturer’s dealers under the heading,
ENGINES - gasoline.
3.2 SERVICE - AFTER FIRST 5 HOURS
WARNING
DO NOT attempt any adjustments, maintenance or service
with the engine or blades running. STOP blades. STOP
engine. Set brake. Remove key. Remove spark plug wire
from spark plug and secure wire away from spark plug.
Engine and components can be extremely hot. Avoid burns
by allowing engine and components sufficient time to cool.
3.2.1. CHANGE ENGINE OIL
The engine is equipped with a Fastex™ oil drain.
1. Rotate drain body counterclock wise and pull out to
open drain. See Figure 3.1.
2. Drain oil into a 2 quart container placed beneath end
of oil drain.
3. After all oil has drained, push drain body "IN" and
rotate clockwise to close.
4. Fill engine with new motor oil as specified in engine
owner's manual.
WARNING
The following procedure requires the engine and blades
to be operated. Exercise ext reme caution. Clear area of
loose parts & tools first. Only operate blades when
seated in the operator’s seat.
3.2.2. CHECK BLA DE BRA KE
1. Check blade brake for proper function. Blades
should stop rotating in 5 seconds or less after pushing the
blade switch “IN” to the OFF disengaged position.
2. If blades continue to rotate longer than 5 seconds do
not operate machine. Contact your SNAPPER dealer for
assistance.
3.2.3. CHECK MOWER BLADES
1. Remove deck from tractor.
2. Carefully position deck to access blade.
3. Check blade for sharpness, wear and damage.
Refer to Section “BLADE WEAR LIMITS”.
4. Check blade for straightness. Refer to Section
“ADJUSTING MOWER BLADE”.
5. Check torque of blade mounting bolts. Torque to:
42" deck - 30 to 40 ft lbs. See Figure 3.2.
48" deck - 70 to 80 ft lbs.
OIL
FILLER
TUBE
FASTEX™
OIL DRAIN
ROTATE COUNTERCLOCKWISE AND PULL
OUT TO OPEN.
PUSH IN AND ROTATE
CLOCKWISE TO CLOSE .
FIGURE 3.1
TORQUE TO
30 TO 40 FT.LBS.
42” DECK
SHOWN
FIGURE 3.2
WARNING
Blades must stop rotating in 5 seconds or less after
blades have been turned off . DO NOT operate machine
until blade brake has been repaired and functioning
properly. Contact your SNAPPER dealer for assistance.
13
Section 3 - MAINTENANCE
WARNING
DO NOT attempt any adjustments, maintenance,
service or repairs with the engine running. Stop
engine. Stop blade. Engage parking brake. Remove
key. Remove spark plug wire from spark plug and
secure away from plug. Engine and components are
HOT. Avoid serious burns, allow all parts to cool
before working on machine.
3.2.4. CHECK DECK DRIVE BELT
1. The idler and spring provide proper belt tension and
require no adjustm ent. If belt is frayed, slit, severed or
belt strands exposed, replace belt before operating
mower.
SERVICE – EVERY 25 OPERATING HOURS
3.3.1. CHECK ENGINE
1. Engine Cooling System
The engine cooling system consists of an engine
shroud and engine fins . T hes e s hould be k ept c lean
and free of debris as needed or cleaned.
2. Engine Oil
Change engine oil. See Section on CHANGE ENGINE
OIL. Refer to engine owner’s manual for oil
specifications.
3. Oil Filter
Change engine oil filter. Refer to engine owner’s
manual for filter specifications.
4. Fuel Filter
Refer to engine owner’s manual for service
instructions.
5. Air Filter – Twin Cylinder Engine
Refer to engine owner’s manual for service
instructions.
a. Change air filter. Remove bolts that secure air
cleaner cover to the engine. See Figure 3.3.
IMPORTANT: When cover is removed, you are
viewing the carburetor side of the air filter, which will
appear clean. Remove filter and pre-cleaner for
inspection.
b. Refer to engine owner's manual for cleaning
and service instructions. Remove and clean
engine air pre-cleaner. Remove and replace
engine air cleaner. See Figure 3.4. Install precleaner and air cleaner per engine owner’s
manual.
AIR CLEANER
RETAINING BOLTS
AIR CLEANER
COVER
NOTE: YELLOW TABS MUST BE
COMPLETELY INSERTED INTO SLOTS
FIGURE 3.3
AIR PRECLEANER
AIR CLEANER
FIGURE 3.4
c. Reinstall air c leaner cover . Insert tabs located
on the engine cover into corresponding slots in
air cleaner cover. IMPORTANT: The yellow tabs
must be completely inserted into air cleaner
cover or the com partment will not be comp letely
sealed to prevent debris from entering into the
carburetor.
d. Reinstall bolts that secure air cleaner c over to
the engine. Tighten securely.
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