Snapper M281021BE, M250821BE, WM280921B, M280921B, M300921B User Manual

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Safety Instructions & Operator’s Manual for

REAR ENGINE RIDING MOWER

SERIES 21

MODEL

M250821BE M280921B M281021BE M300921B M301021BE

MODEL NUMBER EXPLANATION

M 28 10 21 B E

MIDDLE MARKET ENGINE OPTIONS CUTTING WIDTH ENGINE TYPE ENGINE HP SERIES DESIGNATION

M - Middle Market 25 - 25” Cutting Deck

Thank you for buying a SNAPPER Product! Before operating your machine, read this manual carefully and pay particular attention to the “IMPORTANT SAFETY INSTRUCTIONS” on Pages 2 & 3. Remember that all power equipment can be dangerous if used improperly. Also keep in mind that SAFETY requires careful use in accordance with the operating instructions and common sense!

28 - 28” Cutting Deck 30 - 30” Cutting Deck

08 - 8.0 HP Engine 09 - 9.0 HP Engine

10 - 10.0 HP Engine

21 - Series Designation

B - Briggs Engine E - Electric Start

MANUAL No. 7-3539 (I.R. 3/29/00)

IMPORTANT SAFETY INSTRUCTIONS

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 occu r 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 or on attachments (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 operat e blad es in reverse. STO P BLADES. LOOK and SEE behind an d down for children, pets and hazards before and while backing.

7. USE EXTRA CARE when approaching blind corners, shrubs, trees, or other objects that may obscure vision.

PROTECTION AGAINST TIPOVERS

Slopes are a major factor related to loss-of-control and tip-over accidents, which can result in severe injury or death. All slopes require extra CAUTION. 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 slop es above 10 degrees (18% grade). Turn blades OFF when traveling uphill. Use a slow speed and avoid sudden or sharp turns.

3. DO NOT operate machine back and forth across face of slopes. Operate up and down. Practice on slopes with blades off.

4. AVOID uphill starts. If machine stops going uphill or tires lose traction, turn blades OFF and back slowly down the slope.

PROTECTION AGAINST TIPOVERS

(Continued From Previous Column)

5. STAY ALERT for holes and other hidden hazards. Tall grass can hide obstacles. Keep away from ditches, washouts, culverts, fences and protruding objects.

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 and with caution.

8. Use weights or a weighted load carrier in accordance with instructions su pplied 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. DO NOT operate machine under any condition where traction, steering or stability is doubtful.

PREPARATION

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 instruction.

3. Data indicates that operators age 60 and above, are involved in a large percentage of mowerrelated 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 and 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, limb s and other objects that could cau se injury if thrown by blade or interfere with mowing.

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.

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 wh en cutting grass. Set blades in highest position when mowing over rough ground.

7. Keep hands an d 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.

OPERATION

(Continued From Previous Column)

14. Exercise CAUTION when pulling loads. Limit loads to those you can safely control and attach loads to hitch plate as specified with SNAPPER attachment instructions.

15. DO NOT operate engine in enclosed areas. Engine exhaust gases contain carbon monoxide, a deadly poison.

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.

TABLE OF CONTENTS

IMPORTANT SAFETY INSTRUCTIONS....................2-3

TABLE OF CONTENTS..................................................4

SECTION 1 - FAMILIARIZATION...................................5

SECTION 2 - OPERATING INSTRUCTIONS...........6-12

Pre-start Checklist ............................................................. 6

Operator’s Seat Adjustment.............................................. 6

Starting & Stopping Engine, Blades &

Wheel Drive ................................................................7-10

Starting & Stopping Mower Blades..............................9-10

Starting & Stopping Wheel Drive .................................9-10

Parking Brake ................................................................... 11

Cutting Height Adjustment.............................................. 11

Reverse Lockout Mechanism..........................................12

SECTION 3 - MAINTENANCE INSTRUCTIONS ... 13-17

Service – After First 5 Hours...................................13

Change Engine Oil............................................................13

Service Engine Air Cleaner..............................................13

Check Mower Blade .........................................................13

Check Blade Drive Belt....................................................14

Blade Brake....................................................................... 14

Service Brake / Park Brake..............................................14

Check Interlock System...................................................14

Reverse Lockout Mechanism..........................................14

Lubrication – Grease Fittings.......................................... 15

Service - Every 25 Operating Hours...........................15-16

Battery Fluid Level............................................................15

Mower Deck Levelness....................................................15

Clean Mower Deck............................................................ 15

Mower Blade Spindle - Lubrication.................................15

Mower Deck Linkage – Lubrication ................................ 15

Front Wheel Bearing - Lubrication..................................15

Rear Axle Bearing – Lubrication..................................... 16

Differential / Chain Case - Lubrication ...........................16

Service – Annually............................................................17

Engine ...............................................................................17

Fuel Filter .........................................................................17

Every Two Years............................................................... 17

Storage - Out of Season...................................................17

Removing Fuel Tank ........................................................ 17

SECTION 4- ADJUSTMENTS AND REPAIR..........18-26

Engine Adjustments & Repair......................................... 18

Mower Deck & Component Adjustments....................... 18

Mower Drive Belt Adjustment ......................................... 18

Blade Brake Adjustment.................................................. 18

Mower Deck Adjustment (Side to Side Levelness)..19-20

Mower Deck Adjustment (Front to Rear Levelness)..... 20

Rear Engine Rider Drive Components ........................... 21

Wheel Brake Adjustment................................................. 21

Mower Blade Replacement.............................................. 22

Blade Sharpening............................................................. 22

Blade Drive Belt Removal/Replacement ........................ 23

Battery Removal, Replacement, Service...................24-26

ACCESSORIES ............................................................26

TROUBLESHOOTING.............................................27-28

MAINTENANCE SCHEDULE.......................................29

MAINTENANCE/REPLACEMENT PARTS..................30

WARRANTY..................................................................31

PRIMARY MAINTENANCE.....................................32-35

Section 1 – FAMILIARIZATION+

VENT

FUEL TANK

REAR BUMPER

FUEL FILLER CAP

OPERATOR’S SEAT

STEERING WHEEL

ENGINE SPEED CONTROL

DECK LIFT LEVER

TRANSMISSION SHIFT LEVER

OVERRIDE LEVER

MOWER BEL T COVER

DISCHARGE DEFLECTOR

BLADE LEVER

BLADE PEDALS

1.1 INTRODUCTION

This manual has been prepar ed for the operator’s of the SNAPPER Rear Engine Rider. Its purpose, aside from recommending standard operating procedures and routine service requirements, is to promote SAFETY through the use of acc epted operating practices. Read, Understand and Follow the IMPORTANT SAFETY INSTRUCTIONS on Pages 2 & 3 of this manual and All SAFETY messages on the Rear Engine Rider and its attachments before operating.

CLUTCH/BRAKE PEDAL

MOWER DECK

PARK BRAKE LATCH

FIGURE 1.1

1.2 NOMENCLATURE

The nomenclature drawing above, Figure 1.1, s hows the essential parts of the SNAPPER Rear Engine Rider. It is recommended that all operator’s of this equipment become thoroughly familiar with the controls, components, and operation of this machine before operating. Specific details involving the engine are found in the separate engine owner’s manual. Study these manuals before operating and keep both handy for future reference.

Section 2 - OPERATING INSTRUCTIONS

2.1 PRE-START CHECK LIST

Make the following checks and perform the service required before each start-up.

2.1.1. Chec k tires and add or release air as needed to bring pressure to 12 psi in front and 12 psi in rear tires.

2.1.2. Chec k guards, deflectors and covers to mak e sure all are in place and securely tightened.

2.1.3. Check engine oil and add oil as needed to bring level up to the FULL mark. Refer to engine owner’s manual for oil specifications. See Figure 2.1.

SAFE LEVEL AREA

FIGURE 2.1

2.1.4. Adjust seat as needed to most comfortable

position. Refer to Section “OPERATOR’S SEAT ADJUSTMENT”.

2.1.5. Check blade contr ol to insure it work s freely. If blade pedals are depressed, blade lever can be moved manually from “ON” to “OFF” to stop blade.

2.1.6. Check Reverse Lockout Mechanism. With blade pedals depressed, shift lever must not go into reverse.

2.1.7. Clean exterior surfaces of cutting deck and engine of any accumulation of dirt, grass, oil, etc. Keep engine air intake s c reen and c ooling f ins clear at all times.

2.1.8. Add fuel to tank af ter pushing the Rear Engine Rider outside where fumes can dis sipate. Make sure fuel filler cap is tight and vent is open after refueling. Refer to engine owner’s manual fo r fuel s pecif ications. See Figure 2.2.

2.2 OPERATOR’S SEAT ADJUSTMENT

FUEL FILLER CAP

FUEL TANK

2.2.1. FRONT TO REAR ADJUSTMENT

1. With the engine stopped, loos en the two adjusting

knobs and move seat to desired position. After adjustment, tighten knobs securely. If seat does not move after loosening knobs, it may be necessary to loosen the 5/16” patch lock s crews located at the rear of the seat using a 1/2 inch wrench. See Figure 2.3.

ADJUSTING KNOBS

OPEN VENT

FIGURE 2.2

OPERATOR’S SEAT

5/16” PATCH LOCK SCREWS (DO NOT OVERTIGHTEN)

FIGURE 2.3

Section 2 - OPERATING INSTRUCTIONS

2.3 STARTING & OPERATION

2.3.1. ENGINE (ELECTRIC START) IMPORTANT: When the ignition key is turned to

“START”, the engine will turn over, but will unless the Clutch/Brake pedal is pr essed all the way down, the Blade Lever is in the “Off” position (See Figure 2.5).The operator should be in the seat. Start engine as follows:

1. Move transmission shift lever to (N) Neutral position. DO NOT start engine with transmission shift lever in a drive position.

WARNING

It is possible to start engine w ith transmission shift lever in a drive position. Follow starting instructions carefully.

2. Make certain the Blade Lever is in the “Off”

position. See Figure 2.4.

not start

BLADE LEVER SHOWN IN “OFF” POSITION

PARKING BRAKE LATCH

TO START ENGINE , PUSH CLUTCH/BRAKE PEDAL ALL THE WAY DOWN

FIGURE 2.5

RELEASE BLADE PEDALS

FIGURE 2.4

3. Press Clutch/Br ake Pedal all

the way down and

hold while starting engine. See Figure 2.5.

4. Open vent on fuel filler cap by turning counterclockwise. IMPORTANT: Failure to open vent on the fuel filler cap can cause engine to stall. See Figure 2.2.

5. Move engine speed control to the c hoke position to start a cold engine. See Figure 2.6.

6. Turn key to the “START” position until engine starts. See Figure 2.7. NOTE: If after 5 seconds of cranking the engine and it does not start, releas e the key, make sure the Clutch/Brake Pedal is fully depressed and attempt starting again after waiting for approximately 20 seconds.

7. After engine starts , move engine speed control to the “FAST” position, allow a brief warm-up until engine runs smooth.

CHOKE POSITION

ENGINE SPEED CONTROL

FIGURE 2.6

KEY

FIGURE 2.7

(Continued on Next Page)

Section 2 - OPERATING INSTRUCTIONS

OVER

2.3 STARTING & OPERATION

2.3.1. ENGINE (ELECTRIC START) (Continued)

8. Should the battery be too weak to start the engine,

Refer to Section “ENGINE (MANUAL START)” to manually start the electric start engines.

2.3.2. ENGINE (MANUAL STA RT) IMPORTANT: When the ignition key is turned to

“ON”, and the recoil handle is pulled, the engine will turn over, but will

not start unless the Clutch/Brake Pedal is pressed all the way down with Parking Brake engaged (See Figure 2.8) and the Blade Lever is in the “Off” pos ition (See Figure 2.4). Start engine as follows:

1. Move transmission shift lever to (N) Neutral position. DO NOT start engine with transm ission shift lever in a drive position.

WARNING

It is possible to start engine w ith transmission shift lever in a drive position. Follow starting instructions carefully.

2. Make certain the Blade Lever is in the “Off”

position. See Figure 2.4.

3. Press Clutch/Brake Pedal all move Parking Brake Latch over and release the Clutch/Brake Pedal to set Parking Brake. See Figure 2.8.

TO START ENGINE , PUSH CLUTCH/BRAKE PEDAL ALL THE DOWN

MOVE PARKING BRAKE LATCH

FIGURE 2.8

4. Open vent on fuel filler cap by turning

counterclockwise. NOTE: Failure to open vent on the fuel filler cap can cause engine to stall. See Figure 2.2.

the way down,

5. Move engine speed control to the choke pos ition to start a cold engine. See Figure 2.6

6. Turn key to “ON” position. See Figure 2.9.

7. Pull starter rope with a smooth, even motion until

engine starts. Always guide the starter rope back into the recoil housing. Never allow rope to snap back. After Engine starts, move engine speed control to the “FAST” position.

8. Allow a brief warm-up until engine runs smooth.

KEY

FIGURE 2.9

Section 2 - OPERATING INSTRUCTIONS

WARNING

Once blade is disengaged, it should come to a complete stop in 3 seconds or less. If the blade continues to rotate after 3 seconds, the blade brake must be adjusted. Refer to Section “ BLADE BRAKE ADJUSTMENT” for adjustment procedures or return machine to an authorized SNAPPER dealer for adjustment. DO NOT CONTINUE to operate machine until blade brake is adjusted and functioning properly.

2.3 STARTING & OPERATION

2.3.3. MOWER BLADE

1. With engine running, move engine s peed control

to the “FAST” position.

2. Move blade lever forward to the “ON” position, then depress blade pedals to hold blade lever in the “ON” position. See Figure 2.10.

BLADE LEVER SHOWN IN “ON” POSITION

WARNING

DO NOT operate blades in reverse. STOP BLADES. LOOK and SEE behind and down for children, pets and hazards before and while backing.

DEPRESS CLUTCH/BRAKE PEDAL

BLADE PEDALS SHOWN DEPRESSED

FIGURE 2.10

2.3.4. WHEEL DRIVE

1. With engine running, adjust engine speed control to “FAST” position.

2. Depress clutch/brake pedal. See Figure 2.11.

3. Place transm ission shift lever in the notch f or 1

speed. See Figure 2.12.

4. Release clutch/brake pedal to begin desired ground speed.

5. During forward motion, the transmission shift lever may be placed in any desired forward speed without depressing the clutch/brake pedal.

NOTE

: For best cutting results, m ove the transmission

shift lever into a slow forward speed and the engine speed control to a fast position. This combination will allow the mower blades to lift the grass while cutting smoothly and evenly.

FIGURE 2.11

TRANSMISSION SHIFT LEVER (MOVE TO DESIRED SPEED)

FIGURE 2.12

Section 2 - OPERATING INSTRUCTIONS

WARNING

DO NOT leave machine with the engine running. Stop engine. Stop blade. Shift to neutral. Engage parking brake. Remove key.

2.4 STOPPING - ENGINE, WHEEL DRIVE, BLADE

2.4.1. ENGINE

1. Stop engine by turning key to the “OFF” position.

See Figure 2.13.

TURN TO “OFF” POSITION

PARK BRAKE LATCH SHOWN

KEY

ENGAGED

CLUTCH/BRAKE PEDAL

FIGURE 2.13

2.4.2. WHEEL DRIVE

1. Stop motion of Rear Engine Rider by pushing

clutch/brake pedal all the way “DOWN” to apply brake. See Figure 2.14.

WARNING

2.4.3. MOWER BLADE

1. Stop mower blade by releasing blade pedals or

moving blade lever rearward to the “OFF” position. See Figure 2.15.

FIGURE 2.14

BLADE LEVER (SHOWN IN “OFF” POSITION)

BLADE PEDALS

FIGURE 2.15

(Continued on Next Page)

Section 2 - OPERATING INSTRUCTIONS

POSITION

2.4 STOPPING - ENGINE, WHEEL DRIVE, BLADE

2.4.4. PARK BRAKE

1. Engage park brake by pushing clutch/brak e pedal

“DOWN” and moving the park brake latch to the “ENGAGED” position. W hile holding the park brake latch “ENGAGED”, release clutch/brake pedal to set park brake. See Figure 2.16.

WARNING

DO NOT park the machine on slopes.

CLUTCH/BRAKE PEDAL

2.5. CUTTING HEIGHT ADJUSTMENT

1. Adjust cutting height as desired to any one of

five positions using deck lift lever. Move deck lift lever up or down to desired cutting height and then move over to secure in the height of cut notch. See Figure 2.18.

PARK BRAKE LATCH SHOWN ENGAGED

FIGURE 2.16

2. Release park brake by pushing down on the

clutch/brake pedal, park ing brake latch will move to the “OFF” position unassisted. See Figure 2.17.

CLUTCH/BRAKE PEDAL SHOWN DISENGAGED

PARK BRAKE LATCH SHOWN IN “OFF”

FIGURE 2.17

HEIGHT OF CUT NOTCHES

DECK LIFT LEVER

FIGURE 2.18

Section 2 - OPERATING INSTRUCTIONS

2.6 REVERSE LOCKOUT MECHANISM

Data indicates that tragic back-over accidents occur each year. These accidents usually involve unsupervised children. Many times these childr en have been given rides on the mac hine and have been trained to view this potentially dangerous piece of m achinery as fun rather than being taught how to avoid danger.

This riding mower has a Rever se Lockout Mechanism. This mechanis m prevents the mower fr om being shifted into reverse with the blade running. To shift into reverse you must first stop the blade and then shift to rever se. It is our recommendation that this mechanism remain functional and the operator of this equipment develop the habit of never backing up with the blade running. As the Safety Instructions Indicate, DO NOT operate

blades in reverse. STOP BL ADES, 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 starting the blade and will allow reverse operation until the blade pedals are released, at which time the system will return to its Rever se Lock out mode. This featur e s hould never be s elec ted unles s 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.

2.6.1. Reverse Lockout Mechanism Override

1. Stop machine. Stop blade.

2. Depress and hold Override Lever.

3. Depress and hold Blade Pedals. Release

Override Lever.

4. Move blade lever forward to “ON” position.

LOOK and SEE b ehind and down fo r children, pets and hazards before and while backing.

IMPORTANT: DO NOT use the Reverse Lockout

Mechanism Override as the nor mal operating mode. T o return to the Reverse Lockout Mechanism mode, release blade pedals to turn blade off. The Overr ide will reset to Reverse Lock out. Check the Reverse Lockout Mechanism frequently for proper function. With the blade pedals depressed, the shift lever mus t not go into reverse. DO NOT operate m achine if Reverse Lockout Mechanism is not functioning properly. Contact your local Snapper dealer for assistance.

WARNING

Section 3 - MAINTENANCE

WARNING

3.1 INTRODUCTION

To retain the quality of the Rear Engine Rider, use genuine SNAPPER replacement parts only. Contact a local SNAPPER dealer for parts and service assistance. For the correct part or information for a particular Rear Engine Riding Mower, always mention the model and serial number . SNAPPER recommends returning the Rear Engine Rider to an authorized SNAPPER dealer annually for inspection and addition of any new devices which might upgrade the safety of the Rear Engine Rider. 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

Routine maintenance is important to the performance and life of your Rear Engine Rider. Service per formed properly and at the recommended interval is es sential. Refer to Section “MAINTENANCE SCHEDULE” in this manual and in the Engine Owner’s Manual. Carefully complete all of the recommended service procedures.

3.2.1. CHANGE ENGINE OIL

1. Place bricks or wooden blocks under the front

wheels to lower rear of engine.

2. Loosen or remove oil fill cap on engine.

3. Loosen oil drain plug.

4. Place a 2 quart minimum capacity container

under the end of the oil drain. Open oil drain. See Figure 3.1 for oil drains used on the Rear Engine Riders.

5. After all the oil has drained, close the drain and wipe up any oil that may have spilled. See Figure 3.1. Dispose of used oil properly.

6. Fill engine cr ankcas e with new oil. Refer to your engine owner’s manual for oil specifications.

3.2.2. SERVICE ENGINE AIR CLEANER

The engine is equipped with a dual element air cleaner. Both the foam pre-cleaner and cartridge require service. Refer to Engine Owner’s Manual for recommended service procedures.

3.2.3. CHECK MOWER BLADE

1. Follow WARNING statement found on this page.

2. Check fuel level in tank. If over 3/4 full, remove

tank. Refer to Section “REMOVING FUEL TANK”. If 3/4 or less, proceed to next step.

3. Carefully stand Rear Engine Rider on rear bumper.

WARNING

Remove the battery if the Rear Engine Rider will be left standing on the rear bumper for longer than 2 hours. See Section on BATTERY REMOVAL. DO NOT use a cutting blade that shows signs of excessive wear or damage on the Rear Engin e Rider. Refer to Section on MOWER BLADE REPLACEMENT for proper blade inspection and service procedures.

4. Check torque of blade mounting bolts. As

necessary, torque to 30 to 40 ft. lbs. See Figure 3.2.

5. Check blade for sharpness, wear and damage. See Section on BLADE WEAR LIMITS.

REMOVE OIL PLUG TO ALLOW OIL TO

6. Check blade for straightness. Refer to Section

on ADJUSTING MOWER BLADE.

FIGURE 3.1

TORQUE BLADE BOLTS TO 30 TO 40 FT. LBS.

FIGURE 3.2

Section 3 - MAINTENANCE

1-1/4”

WARNING

3.2 SERVICE - AFTER FIRST 5 HOURS

3.2.4. CHECK BLADE DRIVE BELT

The blade drive consists of a single belt from the engine to the deck. Inspect for s igns of deterioration and proper tension.

1. Lower deck to lowest setting.

2. Remove four self-tapping screws, two on each

side of mower drive belt cover. See Figure 3.3.

3. Slide cover back and rotate out.

REMOVE FOUR SCREWS TO REMOVE COVER

FIGURE 3.3

4. W ith engine “OFF” and dec k in 3rd height of cut

position, move blade lever back to the “O N” pos ition and depress blade pedals.

5. Measure the belt spacing at idler pulley. See Figure 3.4. The belt spacing should be 1 1/4” but no less 1”. If the measurement is less than 1”, the belt tension should be adjusted. Refer to Section “MOWER DRIVE BELT ADJUSTMENT”.

ENGINE PULLEY

BELT SPACING SHOULD BE

3.2.5. BLADE BRAKE

1. Check blade br ake for proper f unction. Blade should

stop rotating in 3 sec onds or less after moving the blade control lever to the “OFF” position or after releasing the blade pedals.

WARNING

Blades must stop rotating in 3 seconds or less after the blade has been turned off. DO NOT operate machine until blade brake has been adjusted and functioning properly.

2. If the blade continues to rotate longer than 3

seconds do not operate machine. Refer to Section “BLADE BRAKE ADJUSTMENT” or contact your SNAPPER dealer for assistance.

3.2.6. SERVICE BRAKE / PARK BRAKE

1. Check machine brake for proper function. Engage

park brake. Push m achine. Rear tires should sk id. Drive machine forward and apply brake. Machine s hould come to a complete stop in less than 5 ft.

2. If brakes are not functioning properly brake adjustment must be completed before operating machine. Refer to Section “SERVICE BRAKE – PARK BRAKE ADJUSTMENT”.

3.2.7. INTERLOCK SYSTEM

Check interlock controls for proper function:

The engine MUST NOT start if:

1. Blade Control is “ON” and/or clutch/brake pedal is

released.

The engine and blades MUST STOP if:

2. The oper ator leaves the oper ator position with Blade

Control “ON” and/or clutch/brake pedal is released.

WARNING

DO NOT operate machine if interlock system is not functioning properly. Contact your SNAPPER dealer immediately for assistance.

3.2.8. REVERSE LOCKOUT MECHANISM

Check function of Reverse Lockout Mechanism with engine off.

1. Depress and hold blade pedals.

2. Depress and hold clutch/brake pedal.

3. Shift lever must not go into reverse.

IDLER PULLEY

MOWER

FIGURE 3.4

DECK PULLEY

DO NOT operate machine if Reverse Lockout Mechanism is not functioning properly. Contact your SNAPPER dealer immediately for assistance.

WARNING

Section 3 - MAINTENANCE

3.2.9. LUBRICATION – GREASE FITTINGS

The following components on the Rear Engine Rider are equipped with grease fittings and require periodic lubrication. Apply General Purpose grease (NLGI No.2) with a grease gun.

1. Front Wheel Bearings. Refer to Section “FRONT WHEEL BEARINGS – LUBRICATION”.

2. Rear Axle Bearing. Refer to Section “REAR AXLE BEARING – LUBRICATION”.

3. Mower Blade Spindle. Refer to Section “MOWER BLADE SPINDLE – LUBRICATION”.

3.3 SERVICE - EVERY 25 OPERATING HOURS

3.3.1. Perform all s ervice required af ter the first 5 hour s

of operation. Refer to Section “SERVICE – AFTER 5 HOURS”.

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. Fuel Filler Cap and Vent must be closed securely to prevent fuel spillage.

3.3.2. BATTERY FLUID LEVEL

1. Remove battery. Refer to Section “BATTERY

REMOVAL”.

2. Remove battery caps. Check fluid level.

3. Add water only to bring fluid to proper level –

approximately 3/16” above plates.

DO NOT OVERFILL.

4. Reinstall battery. Refer to Section “BATTERY

INSTALLATION”.

3.3.3. MOWER DECK LEVELNESS

Check mower deck for proper level. Adjust as required. Refer to Section “MOWER DECK ADJUSTMENT – LEVELNESS”.

3.3.4. CLEAN MOWER DECK

1. Follow WA RNING statement found on this page.

2. Check fuel level in tank. If over 3/4 full, remove

tank. Refer to Section “REMOVING FUEL TANK”. If 3/4 or less, proceed to next step.

3. Carefully stand Rear Engine Rider on rear bumper.

4. Clean underside of mower deck, removing all

accumulation of grass clippings and debris.

5. Clean top of deck , r em oving all grass clippings and debris.

3.3.5 MOWER BLADE SPINDLE - LUBRICA TION

1. Follow WARNING statement found on this page.

2. Check fuel level in tank. If over 3/4 full, remove

tank. Refer to Section “FUEK TANK REMOVAL”. If 3/4 or less, proceed to next step.

3. Carefully stand Rear Engine Rider on rear bumper.

4. Lubricate spindle with three shots of general

purpose grease from grease gun. See Figure 3.5.

IMPORTANT: If the Rear Engine Rider will be on its rear bumper for longer than two hours, remove the battery. Refer to Section “BATTERY REMOVAL”.

3.3.6. MOWER DECK LINKAGE - LUBRICATION

Lubricate all mower deck linkage pivot points with a light coat of motor oil.

SPINDLE GREASE FITTING

FIGURE 3.5

3.3.7. FRONT WHEEL BEARING - LUBRICA TION

1. Lubricate front wheel bearings with five shots of

general purpose grease, from grease gun. See Figure 3.6.

FRONT WHEEL GREASE FITTING

FIGURE 3.6

(Continued on Next Page)

Section 3 - MAINTENANCE

3.3 SERVICE - EVERY 25 OPERATING HOURS

3.3.8. REAR AXLE BEARING

1. The left rear axle bear ing requires three s hots of

general purpose grease from grease gun. See Figure 3.7.

NOTE: Some models are equipped with a prelubricated sealed bearing and require no additional lubrication.

2. The right rear axle bearing is lubricated by the differential lubricant and requires no grease.

3.3.9. DIFFERENTIAL/CHAIN CASE - LUBRICA TION

1. Stand rear engine rider on its rear bumper and

check the fill/level plug, for cracks and wear. Replace fill/level plug if signs of wear are visible.

IMPORTANT: If the Rear Engine Rider will be on its rear bumper for longer than two hours, remove the battery. See Section on BATTERY REMOVAL.

2. To check lubricant, remove fill/level plug and visually inspect for lubricant on the internal parts of the differential. If no lubricant is visible on the internal parts of the differential, add “ SNAPPER T r ansmission” grease as needed. See Figure 3.8.

IMPORTANT: Overfilling of the differ ential with lubricant will cause lubricant to leak onto dr ive components of the Rear Engine Rider.

LEFT REAR AXLE BE ARING GREASE FITTING

FIGURE 3.7

DIFFERENTIAL

FILL/LEVEL PLUG P.N. 1-1024

FIGURE 3.8

WARNING

3. Check fill/level plug for dam age. If signs of wear or

cracks are visible, replace plug with new plug. See Figure 3.9.

4. To check lubricant in chain case, remove fill/level plug and look for lubricant on the internal components of the chain case. If no lubricant is visible, add "SNAPPER Transmission” grease as needed. See Figure 3.9.

AXLE BOOTS

CHAIN CASE

FILL/LEVEL PLUG P.N. 1-1024

FIGURE 3.9

3.3.10. Check “MAINTENANCE SCHEDULE” Section of

Engine Owner’s Manual for additional engine service.

Section 3 - MAINTENANCE

3.4 SERVICE - ANNUALLY

3.4.1. Perform all maintenance as specified in

“MAINTENANCE SCHEDULE” Section of this manual.

3.4.2. FUEL FILTER

Service fuel filter as instructed below, on COLD ENGINE ONLY!

IMPORTANT: To stop f low of fuel, tank m ay be removed from bracket and set on the floor so the fuel level will be below the filter. Refer to Section “REMOVING FUEL TANK”.

1. Remove hose clamps from fuel filter.

2. Remove fuel lines from filter. Discard filter.

3. Install new fuel filter. See Figure 3.10.

4. Reinstall fuel tank into bracket.

HOSE CLAMPS

FUEL FILTER

P.N. 1-4359

FIGURE 3.10

3.5 EVERY TWO YEARS

In addition to regular maintenance, the following components of the Rear Engine Rider should be carefully inspected every two years for wear or damage. Replace worn or damaged parts with genuine SNAPPER replacement parts available from an authorized SNAPPER dealer.

3.5.1. All bushings and pivot areas.

3.5.2. Check both front wheel king pins.

3.5.3. Transmission shift lever and detent.

3.5.4. Clutch disc.

3.5.5. Clutch Yoke (See Figure 4.9).

3.5.6. Mower deck linkage and pivot areas.

WARNING

DO NOT attempt any adjustmen ts, 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. Fuel Filler Cap and Vent must be closed securely to prevent fuel spillage.

3.6 STORAGE (OUT OF SEASON)

If desired, the Rear Engine Rider can be s tored on the rear bumper. Perfor m the following procedures to insure the Rear Engine Rider will operate properly when taken out of storage.

3.6.1. Thoroughly clean the Rear Engine Rider by removing all grass clippings and debris.

3.6.2. Perform maintenance and lubrication as required.

3.6.3. Drain fuel from fuel tank.

3.6.4. Start engine and allow it to run until engine

runs out of fuel. This allows the carburetor and fuel system to remain clean during storage.

3.6.5. Remove battery. Refer to Section “BATTERY STORAGE”.

3.6.6. Close vent on fuel filler cap.

3.6.7. Carefully stand Rear Engine Rider on rear

bumper in desired location for storage.

3.7 REMOVING FUEL TANK

Before removing fuel tank from rear engine rider, move rider outdoors where fumes can be easily dissipated. Removal of the tank is accomplished from the left side of the machine by pulling the tank straight up and away from the fuel tank bracket. See Figure 3.11. Holding the fuel tank, remove the fuel filler cap and pour remaining fuel in an approved container.

FUEL FILLER CAP

FUEL TANK

FUEL TANK BRACKET

FIGURE 3.11

Section 4 - ADJUSTMENTS & REPAIR

WARNING

4.1 ENGINE ADJUSTMENTS & REPAIR

Refer to the engine owner’s manual for those adjustments and/or repairs that can be m ade by the owner.

4.2 MOWER DECK & COMPONENT ADJUSTMENTS

The following mower deck and component adjustments and repairs can be made by the owner. However, if there is difficulty in achieving these adjustments and repairs, it is recommended that these repairs be made by an authorized SNAPPER dealer.

WARNING

Once blade is disengaged it should come to a stop in 3 seconds or less. If the blade continues to rotate after 3 seconds the blade brake must be adjusted. DO NOT continue to operate the machine if the blade brake is not operating properly.

4.2.1. MOWER DRIVE BELT ADJUSTMENT

(FOR 25”, 28" & 30" "M" MODELS)

1. Remove mower drive belt cover. Refer to

Section “CHECK BLADE DRIVE BELT”.

2. Move blade lever up and over to the “ON” position.

3. Place deck cutting height in the 3rd position. Measure the belt spacing at idler pulley. The distance should measure 1- 1/4” but no less than 1”. See Figure 4.1.

1-1/4”

ENGINE DRIVE PULLEY ASSEMBLY

SPINDLE PULLEY

IDLER PULLEY

FIGURE 4.1

4. If the distance is less than 1”, adjust belt tension.

5. Remove hairpin and flat washers from pivot stud.

See Figure 4.2.

6. Pull front frame forward until distance between belt, with blade lever “ON”, measures 1-1/4”.

7. Install required number of snap-in frame spacers behind channel pivot until the 1-1/4” distance between belt is maintained. See Figure 4.3.

SNAP-I N F RAME SPACER P.N. 2-8395

8. Reinstall the required amount of flat washers

removed in step “5.” and inst all hairpin. See Figure

4.2. Retain any remaining spacers for readjustm ent when a new belt is installed.

IMPORTANT: The SNAPPER "M" Series Rear Engine Rider Models are shipped with additional spacers specifically designed for the Rear Engine Rider. Should additional spacers be required, contact an authorized SNAPPER dealer.

FLAT WASHERS

HAIRPIN

FRAME SPACERS

FIGURE 4.2

FIGURE 4.3

Section 4 - ADJUSTMENTS & REPAIR

WARNING

Once blade is disengaged it should come to a stop in 3 seconds or less. If the blade continues to rotate after 3 seconds the blade brake must be adjusted. DO NOT continue t o o perate t he mach ine if the b lade brake is not operating properly.

4.2.2. BLADE BRAKE ADJUSTMENT

The automatic Blade Brak e should stop the blades within 3 seconds anytime the blades are disengaged by moving blade lever to the "OFF" position or by releasing the Blade Pedals. When the Blade Brake is properly adjusted there should be 1/8" to 1/4" clearance between the Blade Engagement Lever and the back of the Latch Plate. Check this by disengaging the Blade Lever and depressing the Blade Pedals as shown in Figure 4.2. If clearance is greater than 1/4" perform the following adjustment.

1. Remove Belt Cover. Refer to Section “BLADE BELT COVER REMOVAL”.

2. With the blade engagement lever disengaged, hold the blade pedals down and measure the distance between the front of the blade lever and the rear of the latch plate. The dim ension should be 1/8" to 1/4" clearance between lever and plate. See Figure

4.5. If the dimension is incorrect go to step 3.

3. If dimension is greater than 1/4", rotate nut clockwise to incr ease brake tension. If dimension is less than 1/8", rotate nut counter-clockwise to decrease brake tension. See Figure 4.4.

4. Reinstall spindle cover.

WARNING

DO NOT operate machine until blade brake is adjusted and functioning properly. If blade stop time can not be achieved with the adjustment procedure described above, take machine immediately to an

authorized Snapper dealer.

1/8” TO 1/4”

BLADE LEVER

LATCH PLATE

FIGURE 4.5

WARNING

DO NOT attempt any adjustmen ts, 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. Fuel Filler Cap and Vent must be closed securely to prevent fuel spillage.

4.2.3. MOWER DECK ADJUSTMENT

(Side-To-Side Levelness)

Before making deck leveling adjustments, check the tire pressure. Front tir es 12 ps i, rear tires 12 ps i. If tires ar e properly inflated and mowing is still uneven, adjust sideto-side deck levelness.

1. Place Rider on a smooth level surface.

2. Follow WARNING statement found on this page.

3. Place a piece of angle iron, pipe, or similar object

under center of deck at the rear.

4. Remove rear hanger chains and allow center, rear of deck to rest on angle iron.

5. Measure the distance from blade tips to floor. If the measurement is within 1/8” from side-to-side, the deck attitude is satisfactory. If difference from side-to-side is greater than 1/8”, continue with adjustment.

6. Loosen the carriage bolt and nut retaining the left side of the f ront lift arm and adjuster. Only loosen the bolt and nut to the point where some tension rem ains but lift arm can be moved.

BLADE PEDAL

CARRIAGE BOLT (not shown)

ROTATE NUT CLOCKWISE TO INCREASE BRAKE TENSION

ROTATE NUT COUNTER CLOCKWISE TO DECREASE BRAKE TENSION

FIGURE 4.4

SPACER

FRONT LIFT ARM

NUT

FIGURE 4.6

Section 4 - ADJUSTMENTS & REPAIR

REAR

WARNING

4.2.3. MOWER DECK ADJUSTMENT

(Side-To-Side Levelness)

(Continued from previous page)

7. Move one side of the deck up or down to

achieve levelness between both sides of deck. See Figure 4.6.

8. Tighten carriage bolt and nut securely. Recheck both sides of deck for correct levelness.

9. Readjust rear hanger chain pivots to align with holes in support brackets. See Figure 4.7.

10. Remove angle iron, pipe, or similar object and proceed to check front to rear levelness.

4.2.4. MOWER DECK ADJUSTMENT

(Front to Rear Levelness - 25” & 28” Decks)

With the Rear Engine Rider on a smooth, level surface, rotate blade until blade tips are at f ront and rear of deck . Measur e the distance from blade tips to floor. The distance should be the sam e, or the rear 1/8” lower than the front. If the rear blade tip is higher or is more than 1/8” lower than the front, proceed with adjustment.

(Front to Rear Levelness - 30” Decks)

With the Rear Engine Rider on a smooth, level surface, rotate blade until blade tips are at f ront and rear of deck. Measur e the distance from blade tips to floor. The distance should be the same, or the rear 1/8” to 1/4” higher than the front. If the rear blade tip is higher or is more than 1/4” higher than the front, proceed with adjustment.

1. Remove rear hanger chains.

2. Turn each hanger pivot the same number of

rotations on the eye-bolt to raise or lower the rear of the deck. See Figure 4.7.

3. Reinstall rear hanger chains and m easure blade tips again.

4. Repeat steps “1” through “3” until proper levelness is obtained.

FRONT

HAIRPIN

SUPPORT BRACKET

HANGER CHAIN

FLOOR

X-1/8”

HANGER CHAIN PIVOT

FIGURE 4.7

Section 4 - ADJUSTMENTS & REPAIR

JAM NUTS

WARNING

4.3 REAR ENGINE RIDER DRIVE COMPONENTS

Your Snapper rider is equipped with a patented smooth start clutch. The clutch should operate smoothly and provide ample traction. If problems are experienced, contact your Snapper dealer for repair.

4.3.1. WHEEL BRAKE ADJUSTMENT

Test the wheel brake on a dry concrete surface. When properly adjusted, the Rear Engine Rider will stop within 5 feet from fastest speed. If stopping distance is more than 5 f eet, the wheel brake should be adjusted as follows:

1. Follow WARNING statement found on this page.

2. Check fuel level in tank . If over 3/4 full, remove

tank. Refer to Section “REMOVING FUEL TANK”. If 3/4 or less, proceed to next step.

3. Carefully stand Rear Engine Rider on rear bumper.

4. Depress clutch/brake pedal all the way down. Move and hold the park brake lever in the “ON” position and release the clutch/brak e pedal to lock the park brake. See Figure 4.8.

MOVE PARKING BRAKE LATCH OVER TO LOCK

FIGURE 4.8

5. Measure the distance between end of

clutch/brake cable and bottom of housing. Measurement should be no less than 1/2” and no greater than 3/4”. See inset of Figure 4.9.

6. If measurem ent is less than 1/2” or greater than 3/4”, loosen the two jam-nuts. See Figure 4.10. Hold the clutch/brake cable to the chain case bracket.

DEPRESS CLUTCH/BRAKE

HOUSING

CABLE END

7. Adjust cable up or down using the jam-nuts to

obtain a distance of 1/2” to 3/4” between end of clutch/brake cable (adjustment shown in inset of Figure 4.9) and bottom of housing. See Figure 4.9.

8. After adjustment is complete, securely tighten cable jam-nuts.

CABLE

SPRING

COTTER PIN

BRAKE CABLE

CHAIN CASE

CLUTCH YOKE

HOUSING

COTTER PIN

1/2” TO 3/4”

FIGURE 4.9

CHAIN CASE

LOOSEN

FIGURE 4.10

Section 4 - ADJUSTMENTS & REPAIR

22 TO 28º

WARNING

DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parkin g 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. Fuel Filler Cap and vent must be closed securely to prevent fuel spillage. DO NOT use a cutting blade that shows signs of excessive wear or damage on the Rear Engin e Rider. On Rear Engine Riders equipped with a grass catcher attachment, the air lifts should be replaced when the blade is replaced.

4.4 MOWER BLADE REPLACEMENT

4.4.1. BLADE WEAR LIMITS

1. Inspect blade frequently for signs of excessive

wear or damage. See Figure 4.11.

5. Inspect condition of blade. See Figure 4.11.

6. If blade is in good condition, sharpen at 22 to 28

degrees. DO NOT sharpen beyond existing cutting edge. See Figure 4.13.

7. Check blade balance after sharpening. If necessary, correct blade balance by grinding the heavy end of blade.

8. Reinstall blade. See Figure 4.12. Torque blade mounting bolts to recom mended range of 30 to 40 ft. lbs.

NUT

LOCKWASHER

NEW BLADE

WEAR LIMIT (NOTCH STARTS)

DANGEROUS CONDITION! DO NOT USE ON MOWER! REPLACE WITH NEW BLADE.

FIGURE 4.11

WARNING

Blades are extremely sharp and can cause severe injuries. Wear heavy leather gloves when working on or handling blades. DO NOT use blades that show signs of wear or damage.

4.4.2. BLADE SHARPENING

1. Follow WARNING statement found on this page.

2. Check fuel level in tank. If over 3/4 full, remove

tank. Refer to Section “REMOVING FUEL TANK”. If 3/4 or less, proceed to next step.

3. Carefully stand Rear Engine Rider on rear bumper.

4. Remove blade. See Figure 4.12.

DO NOT SHARPEN BEYOND ORIGINAL

BLADE

FIGURE 4.12

ORIGINAL CUTTING EDGE

FIGURE 4.13

BLADE MOUNTING BOLTS

BLADE TIP

Section 4 - ADJUSTMENTS & REPAIR

WARNING

4.5 BLADE DRIVE BELT REPLACEMENT

Inspect mower drive belt as described in Section CHECK MOWER DRIVE BELT . Replace belt if signs of excessive wear and/or damage are present.

4.5.1. BELT REMOVAL

1. Remove mower drive belt cover. Refer to

Section on Drive Belt Cover Removal.

2. Remove old belt.

4.5.2. BELT REPLACEMENT

1. Follow WARNING statement found on this page.

2. Check fuel level in tank. If over 3/4 full, remove

tank. Refer to Section “REMOVING FUEL TANK”. If 3/4 or less, proceed to next step.

3. Carefully stand Rear Engine Rider on rear bumper.

4. Route new belt through engine belt guide up to

engine pulley. See Figure 4.14.

ENGINE PULLEY

ENGINE BELT GUIDE

FIGURE 4.14

5. Move transmission shift lever to the neutral (N)

position.

6. Rotate clutch yoke (clutch yoke shown in Figure

4.9) out with your hand and work belt between drive disc and rubber driven disc.

7. To clear the primary chain case, move transmission shift lever to the #5 position. Route belt around drive disc and into drive pulley belt groove.

8. Remove idler.

9. Route belt onto spindle pulley. Make sure belt is

inside spindle belt guide and idler belt guide. Route belt as shown for the individual models shown in Figure

4.15.

10. Reinstall idler removed in Step 8. The idler belt guide tab should be positioned in the hole located on idler arm. Tighten idler pulley bolt securely.

11. Adjust belt guide. See Figure 4.15 for proper belt-to-belt guide clearances.

12. Check mower drive belt tension and adjust if necessary. Refer to Section “MOWER DR IVE BELT ADJUSTMENT”.

13. Reinstall mower drive belt cover.

1/16” NOMINAL

IDLER BELT GUIDE

FIGURE 4.15

Section 4 - ADJUSTMENTS & REPAIR

OF ARROW AS SHOWN

WARNING

4.6 BATTERY

4.6.1. BATTERY REMOVAL

1. Carefully pull each side of battery cover away

from ratchet fasteners and remove cover. See Figure 4.16.

BATTERY COVER

RED POSITIVE (+) CABLE

BLACK NEGATIVE (-) CABLE

POSITIVE TERMINAL INSULATOR

INSTALL BATTERY POSITIVE (+) END FIRST INTO BATTERY COMPARTMENT IN DIRECTION

FIGURE 4.17

RATCHET FASTENERS

FIGURE 4.16

2. Slide battery from battery box to gain access to

terminal cables.

3. Observe and note cable positions on battery. See Figure 4.17.

4. Disconnect cables from battery terminals, disconnecting BLACK (Negative) cable f irst. Retain mounting bolts and nuts.

WARNING

Cables must be connected to batt ery terminals in t he proper position as show in Figure 4.17. DO NOT attempt to charge battery wh ile installed on the Rear Engine Rider. DO NOT use “BOOST” chargers on the battery.

4.6.2. BATTERY INSTALLATION

1. Slide battery partially into battery housing.

2. Connect positive (+) cable (red) first, from wiring

harness to the positive terminal (+) on battery using bolt and nut provided in hardware bag. Connect

negative (-) cable (black) last, to negative terminal (-) on battery using bolt and nut. Apply a small amount of grease over terminals to prevent corrosion.

3. Insert battery completely into battery housing.

4. Reinstall positive terminal cover.

5. Reinstall battery cover. See Figure 4.16.

Section 4 - ADJUSTMENTS & REPAIR

WARNING

The electrolyte (acid) produces a h ighly explosive gas. Keep all sparks, flame and fire away from area when charging battery or when handling electrolyte or battery. Electrolyte (acid) is a highly corrosive liquid. Wear eye protection. Wash affected areas immed iately after having eye or skin contact w ith electrolyte (acid). Battery acid is corrosive. Rinse empty acid containers with water and mutilate before discarding. If acid is spilled on battery, bench, or clothing, etc., Flush with clear water and neutralize with baking soda. DO NOT attempt to charge battery while installed on the RIDER. DO NOT use “BOOST” chargers on the battery.

4.6.3. BATTERY SERVICE

1. Remove battery. Refer to Section “BATTERY

REMOVAL”.

2. Place battery in a well ventilated area on a level surface.

3. Using distilled water, refill cells as required to cover cell plates of which can also be visualized through the plastic battery case.

4. W ith cell caps r emoved, connect battery charger to battery terminals. Red to positive (+) terminal and black to negative (-) terminal.

5. Slow charge battery at 1 amp for 10 hours.

6. If battery will not accept charge or is partially

charged after 10 hours of charging at 1 amp, replace with new battery.

4.6.4. BATTERY STORAGE

If mower is to be stored out of season on its rear bumper, it is recom mended the battery be removed, charged and stored.

1. Remove battery. (Refer to Section BATTERY REMOVAL).

2. Perform battery service.

3. Bring battery to full charge, if required.

4. Store battery in an area away from the RIDER on a

wood surface. DO NOT STORE BATTERY ON A CONCRETE SURFACE.

4.6.5. NEW BATTERY PREPA RA TION

1. Remove battery from carton.

2. Place battery in a well ventilated area on a level

non-concrete surface.

3. Remove battery cell caps. Fill cells as required with electrolyte (purchased separately) to proper level. Fill to 3/16” above cell plates. Filling battery with electrolyte will bring the battery to 80% charged state.

4. With cell caps rem oved, connec t battery charger to battery terminals; RED to positive (+) and BLACK to negative (-) terminal.

IMPORTANT: 3/16” above cell plates is the recommended level. DO NOT place anything in battery other than specified electrolyte.

WARNING

DO NOT attempt to charge battery while installed on the Riding Mower. DO NOT use “BOOST” chargers on the battery. DO NOT OVERFILL!

5. Slow charge the battery at 1 amp for 2 hours to

bring the battery to full charge.

6. After char ging, check level of electr olyte and add as needed to bring level to 3/16” above cell plates.

7. Reinstall cell caps.

8. Slide battery partially into battery housing.

9. Connect positive (+) cable (red) first, from wiring

harness to the positive terminal (+) on battery using bolt and nut provided in hardware bag. Connect negative (-) cable (black) last, to negative terminal (-) on battery using bolt and nut. Apply a small amount of grease over terminals to prevent corrosion.

10. Insert battery completely into battery housing.

11. Reinstall battery cover. See Figure 4.16.

WARNING

Shield the positive terminal with terminal cover located on battery harness. T his p rev ent s metal f rom touching the positive terminal which could cause sparks.

4.6.6. BATTERY TESTING

There are two types of battery tests: Unloaded and Loaded. The unloaded test is the proc edur e that will be discussed. It’s the sim plest and most comm only used. An unloaded test is made on a battery without discharging current. To perform unloaded testing, check charge condition using either a hydrometer or voltmeter.

1. Using a voltmeter, voltage readings appear instantly to show the state of charge. Remember to hook the positive lead to the battery’s positive terminal, and the negative lead to the negative terminal.

2. A hydrometer measures the specific gravity of each cell. The specific gravity tells the degree of charge; generally, a specific gravity of about 1.265 to 1.280 indicates full charge. A reading of 1.230 to

1.260 indicates the battery should be charged. The chart on the next page shows the charge level as measured by syringe float hydrometer, digital voltmeter and five ball hydrometer.

(Battery Testing Chart on Next Page)

Section 4 - ADJUSTMENTS & REPAIR

Battery Condition Chart

4.6.6. BATTERY TESTING

State of Charge Syringe Hydrometer Digital Voltmeter Five Ball Hydrometer

100% Charged w/ Sulfate Stop 1.280 12.80v Five Balls Floating 100% Charged 1.265 12.60v Four Balls Floating 75% Charged 1.210 12.40v Three Balls Floating 50% Charged 1.160 12.10v Two Balls Floating 25% Charged 1.120 11.90v One Ball Floating 0% Charged Less than 1.100 Less than 11.80v Zero Balls Floating

SNAPPER REAR ENGINE RIDER ACCESSORIES

PART NO. DESCRIPTION OF KIT MODELS USED ON

6-0517................................Wheel Weight (8” Wheels) ...............................All Rear Engine Riders

6-0601................................Smooth Start Clutch..........................................All Rear Engine Riders

6-0697................................Dump Cart.........................................................All Rear Engine Riders

6-1400................................Gauge Wheel....................................................All 33” Deck Rear Engine Riders

6-0794................................Gauge Wheel....................................................All 41” & 42” Deck Rear Engine Riders

6-0941................................Single Bag Catcher...........................................All 25” Deck Rear Engine Riders

6-0942................................Single Bag Catcher...........................................All 26” & 30” Deck Rear Engine Riders

6-0943................................Single Bag Catcher...........................................All 28” & 33” Deck Rear Engine Riders

6-0944................................Single Bag Catcher...........................................All 41” & 42” Deck Rear Engine Riders

6-0945................................Twin Bag Catcher .............................................All 41” & 42” Deck Rear Engine Riders

6-0946................................Twin Bag Catcher .............................................All 28” & 33” Deck Rear Engine Riders

6-0947................................Bag-N-Wagon...................................................All 28” & 33” Deck Rear Engine Riders

6-0948................................Thatcherizer......................................................All Series 7 & Newer Riders

6-0964................................Wagon Cover....................................................All 28” & 33” Deck Rear Engine Riders

6-1190................................Weight (Front)...................................................All Series 7 & Newer Riders

6-0959................................Dozer Blade (36” Blade)....................................All Rear Engine Riders

6-0357................................Tire Chains (Tires-16 x 6.50-8).........................All Rear Engine Riders

6-0358................................Tire Chains (Tires-16 x 4.80-8).........................All Rear Engine Riders

6-1823................................Ninja Recycling (Cover) ....................................All 25” Deck Rear Engine Riders

6-1049................................Recycling (Cover)..............................................All 25” Deck Rear Engine Riders

6-1253................................Ninja Recycling (Cover) ....................................All 28” Deck Rear Engine Riders

6-1254................................Ninja Recycling (Cover) ....................................All 30” Deck Rear Engine Riders

6-1255................................Ninja Recycling (Cover) ....................................All 33” Deck Rear Engine Riders

6-1220................................Ninja Recycling (Cover) ....................................All 41” & 42” Deck Rear Engine Riders

6-1910................................Utility Trailer

6-1911................................Aerator

6-1912................................Dethatcher

6-1913................................Lawn Sweeper

6-1914................................Dethatcher Kit

6-1915................................Lawn Roller

6-1916................................Broadcast Spreader

TROUBLESHOOTING

PROBLEM PROBABLE CAUSE CORRECTIVE ACTION

Engine Will Not

Start Using

Recoil Starter

4. Faulty parking brake, blade or ignition switch.

5. Park brake not engaged. 5. Engage park brake.

6. Blown Fuse. 6. Replace with new 20 AMP fuse.

7. Faulty interlock module.

8. Faulty parking brake or blade switch.

9. Ignition is in the OFF position. 9. Turn ignition switch to the RUN position.

Engine Will Not

Start Using

Electric Starter

4. Faulty parking brake, blade or ignition switch.

5. Park brake not engaged. 5. Engage park brake.

6. Blown Fuse. 6. Replace with new 20 AMP fuse.

7. Faulty interlock module.

8. Faulty parking brake or blade switch.

9. Ignition is in the OFF position. 9. Turn i g n i t i o n s w i t c h to t h e S T A RT p o si t i o n .

10.Battery is weak or dead. 10 . C h a r g e o r r e p l a c e w i t h n e w b a t t e r y.

11. Battery cables loose, broken disconnected or

12. Faulty electric starter or starter solenoid.

13. Starter cable loose, broken or disconnected 13. Connect starter cable. If broken, replace

14. Electrical wiring harness disconnected or broken. 14. Connect or replace with new wiring harness.

Engine Stalls After

Running

3. Fuel tank empty. 3. Fill fuel tank with fresh fuel to proper level.

4. Engine air pre-cleaner and or air cleaner dirty. 4. Clean free of all debris.

5. Spark plug defective or gap set improperly. 5. Service spark plug.

6. Fuel filter restricted. 6. Replace fuel filter.

7. Water, debris or stale fuel in fuel system. 7. Drain and clean fuel system.

Engine Loses

Power

3. Spark plug faulty. 3. Service spark plug.

4. Water, debris or stale fuel in fuel system. 4. Drain and clean fuel system. Replace filter.

5. Debris build up on engine cooling screen. 5. Clean all debris from engine cooling screen.

Engine Backfires

When Turned To

“STOP”

Excessive Vibration

2. Loose blade components. 2. Service and tighten loose parts.

3. Loose or missing air lift (if equipped). 3. Replace air lifts. Tighten to proper torque.

4. Lumpy or frayed belt 4. Replace belt.

5. Bent Idler, stationary or spindle pulley 5. Replace pulley.

1. Fuel tank empty. 1. Fill fuel tank with fresh fuel to proper level.

2. Engine needs choking. 2. Move choke control to “CHOKE” position.

3. Spark plug wire disconnected. 3. Place spark plug wire onto spark plug.

4. Contact authorized SNAPPER dealer.

7. Contact authorized SNAPPER dealer.

8. Contact authorized SNAPPER dealer.

1. Fuel tank empty. 1. Fill fuel tank with fresh fuel to proper level.

2. Engine needs choking. 2. Move choke control to “CHOKE” position.

3. Spark plug wire disconnected. 3. Place spark plug wire onto spark plug.

4. Contact authorized SNAPPER dealer.

7. Contact authorized SNAPPER dealer.

8. Contact authorized SNAPPER dealer.

11. Clean and connect battery cables. If

corroded.

1. Operator not in seat. 1. Sit in operator’s seat.

2. Choke control in the “CHOKE” position. 2. Move choke control to “OFF” position.

1. Excessive load on engine. 1. Lessen load.

2. Engine air pre-cleaner or air cleaner dirty 2. Clean or replace filters.

1. Throttle control set too “FAST”. 1. Set throttle control to “SLOW” and allow

1. Damaged, out of balance or bent mower blades. 1. Service mower blade(s).

broken, replace with new battery cables.

12. Contact authorized SNAPPER dealer. with new starter cable.

engine to idle. Then, turn key to “OFF”.

(Trouble Shooting Continued on Next Page)

TROUBLESHOOTING

Rider Will Not Move

1. Drive disc worn or damaged.

1. Replace drive disc.

PROBLEM PROBABLE CAUSE CORRECTIVE ACTION

Loss Of Traction

Blade(s) Not Cutting

Cutting Grass

Improperly

Poor Grass

Discharge

Oil Leaking

2. Rubber drive disc is not tracking properly on drive disc.

3. Tapered axle bolt and nut missing.

4. Axle bearing seized.

5. Insufficient lubrication in chain case or transmission/differential.

1. Blade engagement lever in the “OFF” position. 1. Move lever to the “ON” position.

2. Mower belt slipping. 2. Adjust or replace mower belt.

3. Cutting blade is dull, worn or damaged. 3. Sharpen or replace cutting blade.

1. Uneven tire pressure. 1. Bring to proper pressure. 12 PSI front tire

2. Cutting height too low or high. 2. Adjust cutting height.

3. Engine speed too slow. 3. Move throttle control to “FAST” position.

4. Forward speed too fast. 4. Move transmission shift lever to a slower

5. Terraced cut, side to side. 5. Adjust side to side level

6. Excessive deck pitch, front to rear. 6. Adjust front to rear pitch.

7. Cutting blade(s) dull or damaged. 7. Sharpen cutting edges or replace blade(s).

8. Mower belt slipping. 8. Adjust tension or replace mower belt.

1. Engine speed too slow. 1. Move throttle control to “FAST” position.

2. Forward speed too fast. 2. Move transmission shift lever to a slower

3. Grass is wet. 3. Mow when grass is dry.

4. Excessively dull, worn or damaged blade(s). 4. Service mower blade

5. Build up of grass clippings and debris under deck.

6. Improper blade installed on deck.

1. Leaking chain case or differential plugs. 1. Verify plugs are not cracked & are in good

2. Leaking engine block.

2. Adjust rubber drive disc.

3. Replace with SNAPPER tapered bolt & nut.

4. Contact authorized SNAPPER dealer.

5. Contact authorized SNAPPER dealer.

& 12 PSI rear tire.

speed.

5. Clean the underside of deck.

6. Install proper SNAPPER blades.

shape. Check gaskets.

2. Contact authorized SNAPPER dealer.

MAINTENANCE SCHEDULE

SUBJECT SERVICE

TO BE PERFORMED

REFERENCE

PAGES

EACH

USE 5 HOURS

Engine Check Oil Level Page 6 X Engine Initial Oil Change Page 13 X Engine Periodic Oil Change Page 13 X*

HOURS

100

HOURS

EACH

SEASON

Air Pre-Cleaner Service Sponge Pre-

Engine Manual X**

Cleaner Element

Air Cleaner Replace Element Engine Manual. X** Spark Plug Replace Plugs Engine Manual. X Fuel Filter Replace Filter Page 17 X Engine Cooling

Clean Shrouds & Fins Engine Manual X** System Battery Check Electrolyte Page 25 X X

Battery Charge Battery Page 24 & 25 X Tires Check Pressures Page 6 X Drive Belts Check For Wear And

Pages 14, 18, 23 X X

Tension Mower Blades Check For Wear And

Pages 22 X

Damage Mower Deck Clean Debris

Page 15 X X X

Accumulation Lubrication Points Grease or Oil Pages 15 & 16 X X

Lubricate Chain Case

Check Grease Level Pages 16 X X & Transmission Blade Brake Stopping Time Clutch/Brake System Check Clutch/Brake for

Check blade stopping

for proper operation

Pages 14 & 19 X X

Page 14 & 21 X X

proper operation Reverse Lockout

Check function. Pa g e 6 & 1 4 X X Mechanism

Interlock System Check function Page 14 X

*Change oil every 25 hours when operating under heavy load or high temperatures. **Clean more often under dusty conditions or when air debris is present

MAINTENANCE/REPLACEMENT PARTS

MAINTENANCE PARTS

Engine Speed Control (Briggs Engine) 2-4155

Clutch/Brake Cable 2-9913

Brake Cable 2-2344

Reverse Lockout Mechanism 7-3216

25” Cutter Blade (Standard - Not Air Lift Compatible) 3-5619

25” Cutter Blade (Standard - Air Lift Compatible) 1-9518

25” Cutter Blade (Mulching) 1-6967

25” Cutter Blade (Ninja - Quad Edge) 2-9143

28” Cutter Blade (Standard - Not Air Lift Compatible) 3-5635

28” Cutter Blade (Standard - Air Lift Compatible) 1-9515

28” Cutter Blade (Mulching) 1-6980

28” Cutter Blade (Ninja - Quad Edge) 2-6453

30” Cutter Blade (Standard - Not Air Lift Compatible) N/A

30” Cutter Blade (Standard - Air Lift Compatible) 1-8069

30” Cutter Blade (Ninja - Quad Edge) 2-6565

Air Lift Kit (25” & 28” Decks) 6-0480

Air Lift Kit (30” Decks) 6-0735

Engine to Cutting Deck Belt 2-2252

Rubber Drive Disc 5-3103

Parts Manual for Rear Engine Rider Series 17 & 19 06073

3 YEAR LIMITED WARRANTY

For three (3) years from pur chase date f or the original pur chaser 's res idential, non-com m erc ial use, SNAPPER, through any authorized SNAPPER dealer will replace, free of charge (except for taxes where applic able), any part or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.

For ninety (90) days from purchase date for the or iginal purchaser's commercial, rental, or other non-residential use, SNAPPER, through any authorized SNAPPER dealer will replace, free of charge, any part or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.

All transportation costs incurred by the purchaser in submitting material to an authorized SNAPPER dealer for replacement under this warranty must be paid by the purchaser.

This warranty does not apply to engines and their components , and batteries, as these item s are warranted separately. This warranty does not apply to parts that have been damaged by accident, alteration, abuse, improper lubrication, normal wear, or other cause beyond the control of SNAPPER. This warranty does not cover any machine or com ponent part that has been altered or modified changing safety, performance, or durability.

Batteries have a one (1) year prorated warranty period with free replacement if requir ed during the first ninety (90) days from the original purchas e date. SNAPPER will not be responsible for any installation cost incurred. T he battery warranty only covers original equipment batteries and does not cover dam age to the battery or machine caused by neglect or abuse, destruction by fire, explosion, freezing, overcharging, improper maintenance, or use of improper electrolyte.

There is no other express warranty.

DISCLAIMER OF WARRANTY Implied warranties, including those of merchantability and fitness for a particular purpose, are limited to three (3) years from purchase date for the original purchaser's residential or other non-commercial use, and ninety (90) days from purchase for the original purchaser's commercial, rental or other non-residential use, and to the extent permitted by law, any and all implied warranties are excluded. This is the exclusive remedy. Liabilities for consequential damages, under any and all warranties are excluded.

Some states do not allow limitations on how long an implied warranty lasts, or do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

WARNING: THE USE OF REPLACEMENT PARTS OTHER THAN GENUINE SNAPPER PARTS MAY IMPAIR THE SAFETY OF SNAPPER PRODUCTS AND WILL VOID ANY LIABILITY AND WARRANTY BY SNAPPER ASSOCIATED WITH THE USE OF SUCH PARTS.

IMPORTANT: Please fill out the attached SNAPPER Product Registration Card immediately and mail to:

Snapper’s Product Registration Center, P.O. Box 1379, McDonough, Georgia 30253

PRIMARY MAINTENANCE

Safety Instructions & Operator’s Manual for

REAR ENGINE RIDING MOWER SERIES 21

IMPORTANT

Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured. The labels on those engines contain very important emissions information and critical safety warnings. Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on the machine, engine and attachments. If you have any questions about your Snapper product, contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper, McDonough, GA. 30253. Phone: (1-800-935-2967).

WARNING

BATTERY POSTS, TERMINALS AND RELATED ACCESSORIES CONTAIN LEAD AND LEAD COMPOUNDS, CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM. WASH HA NDS A FTER

WARNING

ENGINE EXHAUST, SOME OF ITS CONSTITUENTS, AND CERTAIN VEHICLE COMPONENTS CONTAIN OR EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CA USE CA NCER OR OTHER REPRODUCTIVE HA RM.

HA NDLING.

MANUAL No. 7-3539 (I.R. 3/29/00)

Snapper M281021BE, M250821BE, WM280921B, M280921B, M300921B User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual