Snapper EMRP216015B User Manual

Safety Instructions & Operator’s Manual for
EUROPEAN
21” STEEL DECK
WALK MOWERS
SERIES 15
PROPELLED MODELS
EMRP216015B
MODEL NUMBER EXPLANATION
E M R P 21 60 15 B
MODEL DESIGNATION ENGINE TYPE SELF-PROPELLED SERIES DESIGNATION CUTTING WIDTH ENGINE HORSE POWER
E – European Model P – Self Propelled Model 50 – 5.0 HP (Engine Horse Power) M – Middle Market R – Recycling Model 60 – 6.0 HP (Engine Horse Power)
Thank you for buying a SNA PPER Produ ct! B efor e ope ratin g you r Walk B ehin d, r ead th is m an ual c areful ly a nd pay particular attention to the “IMPORTANT SAFETY INSTRUCTIONS” on Pages 2 & 3. Remember that all power equipment can be d an g e r ou s if us ed improperly. Also ke ep in mind that SAFETY r equires carefu l use in ac co rdance with the operating instructions and common sense.
COPYRIGHT © 2000 SNAPPER INC. ALL RIGHTS RESERVED
21 – 21” Cutting Width 15 - Series Designation
B – Briggs Engine
MANUAL No. 7-3695 (I.R. 5/1/00)
2
IMPORTANT SAFETY INSTRUCTIONS
WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that can cause injury and damage! Failure to comply with the following SAFETY instructions could result 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 w hen machine i s operated and turn machine OFF if anyone enters the area.
3. DO NOT allow pre-teenage children to operate machine.
4. ALLOW only responsible adults & teenagers with mature judgment under close adult supervision to operate machine.
5. DO NOT pull mower backwards unless absolutely necessary. LOOK and SEE behind and down for children, pets and hazards before and while backing.
6. USE EXTRA CARE when approaching blind corners, shrubs, trees, or other objects that may obscure vision.
SLOPE OPERATION
1. Slopes are a majo r factor rel ated to slip and fall accidents, which can result in severe inju ry. All slopes require extra caution. If you feel une asy on a slope, DO NOT mow it.
2. Mow across slopes, never up-and-down. Exercise extreme CAUTION when changing directions on slopes. DO NOT mow steep slopes or other areas where stabilit y or traction is in doubt.
3. Use extra care with crass catchers or other attachments; these affect the handling and the stability of the machine.
PREPARATION
1. Read, understand, and follow instructions and warnings in this manual and on the mower, engine and attachments. Know the controls and the proper use of the mower before starting.
2. Only mature, responsible persons shall operate the machine and only after proper instruction.
PREPARATION
(Continued From Previous Column)
3. Data ind icates that op erators age 60 and abo ve, 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 wit h extra car e. Fuels are f lammable and vapors are explosiv e. Use o nl y an app rov ed fuel container. DO NOT remov e fuel cap or add fuel with engine running. Add fuel outdoors only with engine stopped and cool. Clean spilled fuel and oil from machine. DO NOT smoke.
5. Check the area to be mowed and remove all objects such as toys, wire, rocks, limbs and other objects that could cause injury if thrown by blade or interfere with mow ing. Also note the location of holes, stumps, and other possible hazards.
6. Keep people and pets out of the mowing area. Immediately, STOP Blade, Stop engine and Stop mower if anyone enters the area.
7. Check shields, deflectors, switches, blade controls and other saf ety devices frequ ently for proper operation and location.
8. Make sure all safety decals are clearly legible. Replace if damaged.
9. Protect yourself when mowing and wear safety glasses, long pants and substantial footwear. DO NOT mow barefooted or with sandals.
10. Know how to STOP blade and engine quickly in preparation for emergencies.
11. Use extra care when loading or unloading the machine into a trailer or truck.
12. 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 torn spots.
3
IMPORTANT SAFETY INSTRUCTIONS
OPERATION
1. DO NOT put hands or feet near or under rotating parts. Keep clear of discharge area while engine is running.
2. STOP engine when crossing gravel drives, walks, or roads, and under any conditions where thrown objects might be a hazard.
3. Mow only in daylight or good artificial light.
4. DO NOT operate mower while under the influence of alcohol or drugs.
5. After striking a foreign object or if mower vibrates abnormally, STOP the engine, disconnect and secure s park plug wire. Inspect the mower for any damage and repair the damage.
6. DO NOT mow near drop offs, ditches or embankments. Operator could lose footing or balance.
7. STAY ALERT for holes and other hidden hazards. Tall grass can hide obstacles. Keep away from ditches, washouts, culverts, fences and protruding objects.
8. DO NOT mow on wet grass. Always be sure of your footing. Keep a firm hold on the handle and walk, never run. Slipping could cause injury.
9. DO NOT leave the machine with the engine running. STOP BLADE and STOP ENGINE before leaving the operators position for any reason.
10. Before cleaning, repairing or inspecting make certain engine, blade and all moving parts have STOPPED. Disconnect and secure spark plug wire away from plug to prevent accidental starting.
11. STOP engine and w ait until the blade comes to complete STOP before removing grass bag and/or clearing grass.
12. DO NOT operate mower with out the ent ire grass catcher or guards in place. DO NOT point discharge at people, passing cars, windows or doors.
13. Slow down before turning.
14. Watch out for traffic when near or crossing roadways.
15. DO NOT operate engine in enclosed areas. Engine exhaust gases contain carbon monoxide, a deadly poison.
MAINTENANCE AND STORAGE
1. DO NOT store mower or fuel container inside where fumes may re ach a n o pen 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 out of reach of children in a well ventilated, unoccupied building.
2. Keep mower and engine f ree of g rass, leav es or excess grease to reduce f ire hazard and engine overheating.
3. When draining fuel tank, drain fuel into an approved container outdoors and away from open flame.
4. Keep all bolts, especia lly blade bolts, nuts and screws properly tight . Check that all cot ter pins are in proper position.
5. Always provide adequate ventilation when running engine. Engine exhaust gases contain carbon monoxide, a deadly poison.
6. Service engine and make adjustments only when engine is stopped. Removed spark plug wire from spark plug and secur e wire away from spark plug to prevent accidental starting.
7. DO NOT change engine governor speed settings or overspeed engine.
8. Check grass bag assembly frequently for w ear or deterioration to avoid thrown objects and exposure to moving parts. Replace with new bag if loose seam s or tea rs are evident. Replace slider or bag adapter if broken or cracked.
9. Mower blades are sharp and can cut. Wrap the blades or wear heavy leather gloves and use CAUTION when handling them.
10. DO NOT test for spark by grounding spark plug next to spark plug hole; spark plug could ignite gas exiting engine.
11. Have machine serviced by an authorized SNAPPER dealer at least once a year and have the dealer install any new safety devices.
12. Use only genuine SNAPPER replacement parts to assure that original standards are maintained.
4
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS.............................................2 & 3
TABLE OF CONTENTS............................................................................ 4
SECTION 1 - FAMILIARIZATION............................................................. 5
SECTION 2 - OPERATING INSTRUCTIONS.........................................6-8
Pre-start Checklist...................................................................................................... 6
Starting & Stopping Engine & Blade.....................................................................6-7
Starting & Stopping Wheel Drive..............................................................................7
Handle Height Adjustment ........................................................................................ 7
Cutting Height Adjustment........................................................................................ 8
Recycling Operation .................................................................................................. 8
Installation of Grass Catcher .................................................................................... 8
SECTION 3 - MAINTENANCE INSTRUCTIONS .................................9-10
Change Engine Oil ..................................................................................................... 9
Check Transmission Grease................................................................................9-10
Check Mower Blade ................................................................................................. 10
Check Engine Drive Belt.......................................................................................... 10
Check Transmission Poly-V Belt ............................................................................ 10
Service - Annually.................................................................................................... 10
Engine................................................................................................................... 10
Air Filter................................................................................................................ 10
Engine Oil............................................................................................................. 10
Storage Procedure ................................................................................................... 10
SECTION 4 - ADJUSTMENTS AND REPAIR....................................11-17
Mower Blade Replacement................................................................................. 11-12
Blade Sharpening................................................................................................11-12
Wheel Drive Control Adjustment............................................................................12
Driven and Drive Disc Service ................................................................................ 13
Cleaning Drive Disc and Driven Disc ................................................................ 13
Drive Spring Repair/Replacement ..................................................................... 13
Driven Disc Adjustment.................................................................................13-14
Replacing Rubber Driven Disc Ring.................................................................. 14
Driven Disc Replacement (Non Commercial Models)...................................... 15
Driven Disc Bearing Replacement (Non Commercial Models)....................... 15
Hex Shaft Bearing Replacement........................................................................ 16
Belt Service.......................................................................................................... 16-17
Engine Drive Belt Replacement .................................................................... 16-17
Transmission Poly-V Belt Replacement ........................................................... 17
TROUBLESHOOTING ............................................................................ 18
SERVICE SCHEDULE ............................................................................ 19
Maintenance/Replacement Parts ............................................................................ 19
DECAL IDENTIFICATION..................................................................20-21
WARRANTY............................................................................................ 22
5
Section 1 - FAMILIARIZATION
WHEEL DRIVE
BLADE
UPPER
MID-
ROPE
REAR HEIGHT
LOWER
OIL FILL CAP
ENGINE AIR
RECYCLING DECK
FRONT HEIGHT
LEVERS
FUEL
G
ROUND
PRIMER BULB
6
CONTROL
CONTROL
SPEED CONTROL
FAST
SLOW
START HANDLE
KNOB
HANDLE
ADJUSTMENT LEVER
REAR WHEEL
KNOB
FILLER CAP
HANDLE
HANDLE
& DIPSTICK
MUFFLER
FILTER COVER
COVER
FRONT WHEEL
1.1 INTRODUCTION
This manual has been prepar ed for the operators of the SNAPPER WALK BEHIND MOWERS. Its purpose, aside from recommending operating and routine service requirements, is to promote safety through the use of accepted operating practices. Read, Understand and Follow the “IMPORTANT SAFETY INSTRUCTIONS” on Pages 2 & 3 of this manual and all s afety messages on the mower a nd attachments before operating the mower.
MOWER DECK
ADJUSTMENT
FIGURE 1.1
1.2 NOMENCLATURE
The nomenclature dra wing above, F igure 1.1, sho ws the essential parts of the SNAP PER WALK BEHIND MOWERS. It is recommended that all operators of the mower become thoroughly familiar with the controls, parts and operation of the mower before operating. Specific details involving the engine are found in the separat e eng ine owner’s manua l. Stud y these manuals before operating and keep both handy for future reference.
Section 2 - OPERATING INSTRUCTIONS
CHECK
CHECK
CHECK
PUSH PRIMER
2.1 PRE-START CHECK LIST
Make the following checks and perform the service required before ea ch start -up.
2.1.1. Check guards, deflectors, grass bag, adapter and covers to m ake sure all are i n place and secur ely tightened.
2.1.2. Check blade control and wheel drive control to insure they work freely. See Figure 2.1.
WHEEL DRIVE CONTROL
BLADE CONTROL
2.1.6. Clean exterior surfaces of cutting deck and
engine of any accumulati on of spilled f uel, dirt, gr ass, oil, etc. Keep engine air intake screen and cooling fins clear at all times.
2.2 STARTING & OPERATION
2.2.1. ENGINE & BLADE (Primer Models) (Push & Non Commercial Self-Propelled)
1. Prim er models do not have an adjustable eng ine
speed control. The engine speed is fixed in the “Fast” position and can not be changed.
2. Push primer bulb three times to start a cold engine. NOTE: Do not use pr imer bulb to start warm engine. See Figure 2.3.
NOTE: Stop the engine (and blade) by releasing the
blade control.
FIGURE 2.1
2.1.3. Check cutting height. Adjust to desired height.
2.1.4. Check engine oil and add oil as needed to bring
level up to the full mark. Refer to Engine Owner’s Manual for oil specificatio ns. See Fig ure 2.2.
ENGINE OIL
FIGURE 2.2
2.1.5. Add fuel to tank after pushing the mower
outside where fumes c an safely dissi pate. Mak e sure cap is tightened after refueling. Refer to Engine Owners Manual for specifications.
BULB THREE TIMES TO START COLD ENGINE
FIGURE 2.3
3. Pull blade control against handle.
4. Pull rope start handle to crank engine.
5. After engine starts, allow a brief warm-up until
engine runs smooth.
7
Section 2 - OPERATING INSTRUCTIONS
ENGAGE
GROUND SPEED
LOWER
LOOSEN LOWER
MOVE CHOKE/ENGINE
PULL ROPE START
PULL BLADE
2.2 STARTING & OPERATION
2.2.2. ENGINE & BLADE (Choke Models)(Commercial Only)
1. Move engine speed control to the “Choke”
position. See Figure 2.4.
NOTE: Stop the engine (and blade) by releasing the
blade control.
SPEED CONTROL TO THE CHOKE POSITION
HANDLE TO CRANK ENGINE
FAST SPEED
CONTROL
SLOW SPEED
CONTROL AGAINST HANDLE
WHEEL DRIVE CONTROL
FIGURE 2.4
NOTE: Do not use choke to start warm engine.
2. Pull blade control against handle.
3. Pull rope start handle to crank engine.
4. After engine starts, m ove engine speed control
away from the chok e position to the “ Fast” (Rabbit) position and allow a bri ef war m-up unti l engin e runs smooth.
WARNING
Stop engine and mower blade by releasing the blade control before adjusting ground speed.
2.2.3. PROPELLING MOWER (Self Propelled Models Only)
1. Stop engine and mower blade by releasing the blade control before adjusting ground speed. Move ground speed control to the desired
speed position. See Figure 2.5.
2. Start engine. Refer to Section “Starting & Operation”.
3. Move wheel drive control against handle to engage wheel drive and propel mower forward. S ee Figure 2.4.
FIGURE 2.5
2.3 STOPPING
Stop engine and blade by releasing the blade control. Stop forward m otion of mower b y releasing the wheel drive control.
2.4 HANDLE HEIGHT ADJUSTMENT
The height of the m ower hand le can be adj usted as follows:
1. Loosen the lower nuts on each lower handle as shown in Figure 2.6.
HANDLE
FIGURE 2.6
2. Move u pper mower handle up or do wn until the
desired position is achie ved.
3. Tighten the lo wer nuts on each lower handle to maintain desired positi on.
HIGHER
LOWER
NUTS ON EACH LOWER HANDLE
8
Section 2 - OPERATING INSTRUCTIONS
REMOVE HAIR PIN
SHOWN IN
HEIGHT
HIGHEST CUTT
ING
SWIVEL
FIXED
3 4
5
LATCH
POSITIONS
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
2.5 CUTTING HEIGHT ADJUSTMENT
1. Pull the height adjusti ng latch out ward and m ove
to desired cutting height. See Figure 2.7.
IMPORTANT: Move r ear heig ht adjustm ent latch for rear wheel adjustm ent to correspond with raising or lower ing the front wheels to maintain the level of the deck.
AND CLEVIS PIN WHEEL MODEL
LOWEST CUTTING
HEIGHT
1 LOWEST
WHEEL MODEL
CUTTING HEIGHT
2
6
FIGURE 2.7
2. Set all wheels at the same cutting height. The
highest cutting position is Notch 6. The lowest cutting position is Notch 1. See Figure 2.8.
4
1
2
3
FIGURE 2.8
LATCH
6 HIGHEST
CUTTING HEIGHT
6
5
2.6 RECYCLING OPERATION NOTE: For best recycling results , cut up t o a m aximum of
1/3 of grass blade length and r ecycle ONLY when grass is dry.
1. Set all wheels in the highest cutting position (Notch 6).
2. Move engine speed control to “FAST” (Rabbit) position.
3. Move ground speed control to slowest speed setting.
4. Proceed mowing slowly. If grass is very dense, lower each rear wheel latch one notch lower than the front wheel latches to improve recycling performance.
DO NOT operate without entire Grass Catcher or guard in place. Grass Catcher components are subject to deterioration during normal use. Inspect frequently and replace worn or damaged components immediately.
2.7 INSTALLATION of GRASS CATCHER
Install gras s catcher by slidi ng connector over fl ange of adapter. Attach grass bag h oo ks ove r middle handle cross bar. See Figu re 2 .9.
WARNING
FIGURE 2.9
9
Section 3 - MAINTENANCE
3.1 INTRODUCTION
To retain the quality of the mower, use genuine SNAPPER replacem ent parts only. Contact a local SNAPPER dealer for parts and service assistance. For the correct part or information for a particular mower, always mention model and serial number.
3.2 SERVICE - AFTER FIRST 5 HOURS
3.2.1. CHANGE ENGINE OIL
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
1. Refer to Engine Manual for proper oil
specifications and procedures.
2. For simplest/cleanest oil change, loosen lower handle wing nuts and stand mower up on lower handle as shown in Figure 3.1. Drain oil through dipstick tube into a container.
FIGURE 3.1
3.2.2. CHECK GREASE LEVEL IN TRANSMISSION
1. Remove transmission fill plug. See Figure 3.2.
2. If liq uid
(the small gear below the plug hole), add an amount, to cover gear , of S napper “00” grease. See Figure 3.2.
FILL PLUG
NOTE: Snapper “00” Grease (Part No . 2-94 4 3) is availa b le
at your SNAPPER dealer.
grease IS NOT visible on the input g ear
FIGURE 3.2
(Continued on Next Page)
10
Section 3 - MAINTENANCE
RECOMMENDED
3.2.2. CHECK GREASE LEVEL IN TRANSMISSION
NOTE: Do not spill grease or oil on surface of drive
disc. See Figure 3.3.
3. Reinstall transmission plug.
4. Check grease level after each 25 hours of
operation.
KEEP DRIVE DISC CLEAN !
3.2.4. CHECK ENGINE DRIVE BELT
1. Visually check engine drive belt for cracking,
fr aying, severed or be lt strands exposed. If wo rn or damaged, replace belt before operating mower.
3.2.5. CHECK TRANSMISSION POLY-V BELT
1. Visually check poly-v belt for cracking, fraying,
severed or belt strands exposed. If worn or damaged, replace belt before operating mower.
BLADE RETAINING CAP SCREW TORQUE VALUE SHOULD BE 30 TO 40 FT. LBS.
FIGURE 3.3
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.
IMPORTANT: DO NOT tip machine with carburetor or
spark plug down. Oil fr om crankcase will saturate the air filter and cause the engi ne to be hard to start or not start at all. If contaminatio n does oc c ur , the air filter will have to be replaced.
3.2.3. CHECK MOWER BLADE
1. Disconnect spark plug wire and secure end
away from plug.
2. Tilt mower up on its rear wheels for access to the blade cap screw. Do not tilt mower with spark plug or carburetor down. See Figure 3.4.
3. Check torque of blade retaining cap screw. Recommended torque should be 30 to 40 ft. lbs. See Figure 3.4.
4. Check blade for sharpness, wear and damage. Refer to Section “Blade Wear Limits”.
FIGURE 3.4
3.3 SERVICE - ANNUALLY
Perform all maintenance as described in the “Service Schedule” section of thi s manual .
3.3.1. Engine
Service engine according to engine owner’s manual.
3.3.2. Air Filter Refer to engine owner’s manual for service instructions.
3.3.3. Engine Oil Refer to engine owner’s manual for service instructions.
3.4 STORAGE PROCEDURE
Refer to the Engine Owner’s Manual for directions regarding engine storage preparations. Prepare the mower for “end of season” storage as follows:
1. Drain fuel from fuel tank and let engi ne run until all fuel is out of the carburetor.
2. Disconnect and remove the spark plug wire away from spark plug before any other preparations are made!
3. Tape all openings closed to prevent spraying
water into exhaust or air intakes during washing.
4. Tilt mower up on its r ear wheels an d thoroughly clean the underside of the dec k. Do not tilt mower with spark plug or carbure tor down. Scrape away any accumulation of grass with a putty k nife and or wire brush.
5. Lubricate all expos ed metal with a light coating of oil to prevent corrosion.
6. On self-propelled models, loosen wing nuts on ground speed control rod before folding handles.
7. Loosen handle k nobs. Carefull y fold the handles forward, “flexing” the control cables to prevent cable damage.
8. Store the mower in a shed or other dry area, protected from weather.
11
Section 4 - ADJUSTMENTS & REPAIR
NEW
WEAR LIMIT
DANGEROUS
WEAR LIMIT. CRACKS
DANGEROUS!
MAKE SURE THAT
BLADE
FLANGE
CONE WASHER
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury.
4.1 MOWER BLADE REPLACEMENT
4.1.1. STANDARD BLADE WEAR LIMIT
1. Inspect blade frequently for signs of excessive
wear or da ma ge . See Figure 4.1.
BLADE
(NOTCH STARTS)
CONDITION! DO NOT USE ON MOWER! REPLACE WITH NEW BLADE.
2. Replace the blade if it is badly chipped, bent,
noticeably out of bal ance or has cracks or notch in either tip. See Figure 4.1 & 4.2. Replace with new blade.
DO NOT use a cutting blade that shows signs of excessive wear or damage. Refer to Section “MOWER BLADE REPLACEMENT” for proper blade inspection and service procedures.
4.1.3. BLADE SHARPENING
1. Disconnect spark plug wire and secur e end awa y
from plug.
IMPORTANT: DO NOT tip machine with carburetor or spark plug down. Oil f rom crankcase will saturate the air filter and cause the engine to be hard to start or not s tart at all. If contamination d oes occ ur, the air filter will have to be replaced.
2. Tilt mower up on its rear wheels.
3. Remove blade. See Figure 4.3.
WARNING
FIGURE 4.1
4.1.2. NINJA BLADE WEAR LIMIT
1. Inspect blade frequently for signs of excessive
wear or da ma ge . See Figure 4.2.
NEW BLADE
OR NOTCHES BEGIN TO APPEAR ON TIP.
DO NOT USE A BLADE IN THIS CONDITION!
FIGURE 4.2
BLADE HUB IS SEATED BETWEEN
HUB
FLANGES
BLADE
(Concave Side Up)
CAPSCREW
FIGURE 4.3
12
Section 4 - ADJUSTMENTS & REPAIR
BLADE TIP
DO NOT SHARPEN
END VIEW OF
1/16” TO 1/8”
UPPER
SPRING
LOWER
SPRING
CLUTCH
CLUTCH CABLE EYE
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4. Sharpen blad e on a gr ind in g whee l at an angle of
22 to 28 degrees. DO NO T sharpen blade beyond original cutting edge. See Figure 4.4.
BEYOND ORIGINAL CUTTING EDGE
22 TO 28º
BLADE ASSEMBLY
ORIGINAL CUTTING EDGE
FIGURE 4.4
5. Check blade for balance. If necessary, correct
balance by grinding heav y end of blade.
6. Reinstal l blade. See Figure 4.3. Chec k torque of blade retaining cap screw. Recommended torque should be 30 to 40 ft. lbs.
NOTE: The following sections 4.2 through
4.4 are for self-propelled models only.
4.2 WHEEL DRIVE CONTROL ADJUSTMENT
1. The wheel drive control is properly adjusted
when there is 1/16” to 1/8” clearance between the inside of the spring hook and the ins ide of the clutch cable eye with the wheel driv e control r eleas ed. Se e Figure 4.5.
CLUTCH CABLE
VINYL SPRING COVER
CLEARANCE
CABLE
SPRING
CABLE EYE
SPRING HOOK
FIGURE 4.5
2. To adjust, unhook up per spring from cable e ye
and rotate spring in direction required to extend or shorten spring length.
3. Rehook upper spring to cable eye and check clearance. Repeat procedure if required.
NOTE: The vinyl spring cover should be kept over the spring at all times except for adjustments.
4. If the wheel drive contro l fails to return quick l y to the “OFF” position when re leased, ch eck for binding at the cable holdings locate d on the side of the right handle. The upper clip should be located 2” below the upper knob; the lower clip should be 4” above the lower knob. The cable should slide freely with the clips installed at these locations.
13
Section 4 - ADJUSTMENTS & REPAIR
DRIVEN DISC
DRIVE
DRIVE
ENGINE
USE NEEDLE
DRIVE
MOVE GROUND SPEED
SIXTH SPEED
FIRST SPEED
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4.3 DRIVEN DISC SERVICE
If the mower does not propel itself properly, See Figure 4.6. Check for the following problems:
& RUBBER RING
SPRING
DRIVE BELT
POLY-V-BELT
NOSE PLIERS TO INSTALL DRIVE SPRING
SPRING
DISC
FIGURE 4.6
1. Grease on drive disc causing slippage.
2. Broken or disconnected drive spring.
3. Driven disc is out of adjustment.
4. Driven disc rubb er r ing is wor n - do es n ot c ont ac t
drive disc properly.
5. Worn Poly-V Belt or engine drive belt.
NOTE: If any of the above (1 thru 5) are causing
problems, service as follows:
4.3.1. Cleaning Drive Disc & Driven Disc.
If oil or grease on the drive disc or driven disc is causing slippage, clean discs as follows:
1. Wipe away any oil or grease with a clean cloth.
2. Use either an approved grease solvent or hot,
soapy water to clean drive disc or driven disc.
3. Rinse components with clean water.
4. Dry components with a clean cloth.
4.3.2. Drive Spring Repair/Replacement
If drive spring is loose, reconnect as shown in Figure 4.7. If spring is broken, replace with new spring.
IMPORTANT: If machine drive system continues slipping see Trouble Shooting section.
FIGURE 4.7
4.3.3. DRIVEN DISC ADJUSTMENT
If the drive disc and driven disc are clean and the mower drive is not making correct drive disc and driven disc contact, adjust the driven di sc as follows:
1. Place ground speed control in the number six speed position. See Figure 4.8.
CONTROL TO SIX SPEED POSITION
POSITION
SIXTH
POSITION
FIRST
FIGURE 4.8
(Continued on Next Page)
14
Section 4 - ADJUSTMENTS & REPAIR
DRIVE
DISC
DRIVEN
TRANSFER
CONNECTOR
1/8” MEASUREMENT TO
DRIVE
SLIDE DRIVEN
TRANSFER
OUTSIDE
CONNECTOR
SPEED CONTROL
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4.3.3. DRIVEN DISC ADJUSTMENT (Continued From Previous Page)
2. Remove driven disc spring from driven disc
assembly. Loosen connector hex nut. See Figu re 4.9.
DRIVEN DISC ASSEMBLY
DISC ASSEMBLY TOWARD OUTSIDE EDGE
ROD
CONNECTOR
OUTSIDE EDGE OF DRIVE DISC
DISC
CONNECTOR HEX NUT
EDGE
DISC SPRING
ROD
CONNECTOR
HEX NUT
FIGURE 4.9
3. Slide driven disc assembly over to 1/8” from
outside edge of drive disc. Maintaining the 1/8” measurement, remove any looseness from the linkage. This can be done by holding the transfer rod and applying pressure to the left (as viewed from operators p osition). Th en retighten t he connect or hex nut securely. See Figure 4.10. Move ground speed control to the first speed position, then back to the sixth speed position. Rech eck the 1/8” meas urement described previously. Reins tall driven disc s pring to driven disc assembly .
FIGURE 4.10
4.3.4. Replacing Rubber Driven Disc Ring
If the rubber ring is badly chunked or worn down to within 1/16” of the metal r im of the dri ven disc hub, it must be replaced. Install new rubbe r ring as follows:
1. Usin g a small flat blade scr ewdriver, free the clip from the transfer rod. Then remove the transfer rod from the clip and the spe ed control rod. See Figure
4.11.
CLIP
TRANSFER ROD
ROD
FIGURE 4.11
(Contin ue d on n ext pa ge )
15
Section 4 - ADJUSTMENTS & REPAIR
DRIVEN DISC
INSTALL NEW
SNAP
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4.3.4. Replacing Rubber Driven Disc (Non-Commercial Model) (Continue d fro m pr evio us page )
2. Using needl e nose pliers, u nhook the driv e spring
and slide the driven disc ass embly off the hex s haft. See Figure 4.12.
3. Remo ve the two retaining rings whi ch secure the rubber driv en disc to the driven disc assembly. Se e Figure 4.13.
4. Install new rubber driven disc onto driven disc assembly with retaini ng ring s.
5. Reverse above procedures for re-assembly and installation of driv en di sc a ssembly .
ASSEMBLY
FIGURE 4.12
4.3.5. Replacing Bearing I n Driven D isc A ssembly (Non-Commercial Models)
IMPORTANT: The bearing, on these “M” series Non-
Commercial machines, is staked into the thrust plate. The bearing will hav e to be driven out with a mallet and a large punch. A new bear ing with four reta ining screws will have to be purchased to replace existing bearing.
If the driven disc bearing fails, remove the driven disc assembly and replace bearing as follows:
1. Us ing a small flat blade sc rewdriver, free the c lip from the transfer rod. Then remove the transfer rod from the clip and the s peed control rod. See Figure
4.11.
2. Using nee dle nose plier s, unhook the dr ive spring and slide th e driven disc as sembly off the h ex shaft. See Figure 4.12.
3. Remove both snap rings that secure rubber driven disc hub to thrust plate. See Figure 4.13.
4. Slide the rubber driven disc hub out of the bearing.
5. Drive out existing bearing.
6. Install new bearing and secure to thrust plate
with four retaining screws. Tighten screws securely.
7. Reassemble components in reverse order.
DRIVEN DISC
RINGS
FIGURE 4.13
16
Section 4 - ADJUSTMENTS & REPAIR
3/8”
BALL
ENGINE DRIVE
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool.
4.3.6. Replacement Of Bearing On Pulley End Of Hex Shaft
To replace the bearing on t he pulley end of the hex shaft, proceed as follows:
1. Hold the hex shaft with an adjustable wrench held next to the pulley.
2. Remove the 3/ 8” hex lock nut which is l ocated at the end of the hex shaf t on the outside of the right wheel bracket. See Figure 4.14.
3. Remove holder, O-ring and bearing.
4. Install new bearing.
5. Carefully install new O-ring over the outside of the
new bearing.
6. Install bearing holder and secure with screws.
7. Install 3/8” hex lock nut.
BALL BEARING
“O” RING
LOCK NUT
BEARING HOLDER
FIGURE 4.14
4.4 BELT SERVICE
On self-propelled mowers, the engine belt transmits power from engine to drive disc. The driv e di sc powe rs the poly-v belt which engages the transmission that powers the rear wheels. Should these belts become worn, they could cause slippage which would impair mower perform ance. The conditi on of the engine belt and poly-v belt should be checked after every 25 hours of mower operation.
4.4.1. Engine Drive Belt Replacement (Stretch Type Belts)
1. Empty the fuel tank.
2. Note the belt routing in Figure 4.15. There is no
idler pulley on these models to disconnect. See Figure
4.15.
PULLEY
TOP VIEW OF STRETCH TYPE BELT ROUTING
DRIVE BELT
DRIVE DISC
FIGURE 4.15
17
Section 4 - ADJUSTMENTS & REPAIR
SLOT IN END
DECK BRACKET
INTERNAL TO OTH
DRIVE
DRIVEN
POLY
-V
BELT
DIFFERENTIAL
IDLER
WARNING
DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury. DO NOT use a cutting blade that shows signs of excessive wear or dama ge.
4.4.1. Engine Drive Belt Replacement (Stretch Type Belts)
(Continued From Previous Page) IMPORTANT: DO NOT tip machine with carburetor or
spark plug down. Oil fr om crankcase will saturate the air filter and cause the engi ne to be hard to start or not start at all. If contaminatio n does oc c ur , the air filter will have to be replaced.
3. Remove the driven disc. Refer to Section “Replacing Rubber Dri ve n Disc Ring” f or dr i ven dis c assembly removal procedure.
4. Tilt mower up on its rear wheels and remove blade and blade hub. Assistance from another person may be necessary to hold mower in the tilted position.
5. Hold th e slotted end of the drive dis c bolt with a screwdriver and remove the nut and internal tooth lock washer. See Figure 4.16.
6. Remove the belt cover located under deck.
7. Lift the drive disc up and remove worn belt.
8. Loop one end of new belt over engine pulley and
insert the other end through slot in deck. See Figure
4.15.
PULLEY POSITIO N
OF DRIVE DISC BOLT
(PARTIALLY SHOWN)
BOLT RETAINER
LOCKWASHER
NUT
FIGURE 4.16
DRIVE DISC
BUSHING
9. Loop the belt around the pulley on the bott om of
the drive disc.
10. Reinstall drive disc and retaining hardware. IMPORTANT: 1) T he square shoulder of the drive
disc bolt must fit into the square hole of the bushing. 2) The square end of bushi ng must f it into the bracket slot.
11. Reinstall belt cover and tighten bolts sec urely.
12. Reinstall blade hub and cutter blade.
Recommended torque for blade cap screw is 30 to 40 ft. lbs.
4.4.2. Transmission Poly-V Belt Replacement
1. Remove the driven disc. Refer to Section
“Replacing Driven Disc Rubber Ring” for procedure.
2. Note the routing of the old belt around the three pulleys before removing it. See Figure 4.17.
3. Place ne w Pol y-V Belt over end of hex shaf t and onto driven pulley.
4. Work belt onto top of idler pulley.
5. Twist belt side ways and pull it upward between
the differential bracket and drive pulley and then down into the pulle y groove. Make sure the P oly-V Belt is above belt guide. See Figure 4.17.
PULLEY
HEX SHAFT
BELT GUIDE
PULLEY
BRACKET
PULLEY
ROUTING OF POLY-V-BELT
FIGURE 4.17
18
TROUBLESHOOTING
Mower Will Not Move
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Engine Will Not Start
Using Recoil Starter
3. Spark plug wire disconnected. 3. Place spark plug wire onto spark plug.
Engine Stalls or Stops
After Running
2. Choke control in the “CHOKE” position. 2. Move choke control to “OFF” position.
3. Fuel tank empty. 3. Fill with 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. Water, debris or stale fuel in fuel system. 6. Drain and clean fuel system.
Engine Loses Power
2. Spark plug faulty. 2. Service spark plug.
3. Water, debris or stale fuel in fuel system. 3. Drain and clean fuel system.
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 pulley 5. Replace pulley.
Loss Of Traction
(Self-Propelled Models)
Cutting Grass
Improperly
Poor Grass Discharge
Oil Leaking
1. Fuel tank empty. 1. Fill fuel tank with fresh fuel.
2. Engine needs choking or priming. 2.Choke/Prime. Check Engine Manual for Instructions.
1. Blade control is released or is not being held securely
against handle.
1. Engine air pre-cleaner or air cleaner dirty 1. Clean or replace filters.
1. Damaged, out of balance or bent mower blade. 1. Service mower blade.
1. Damaged transmission
2. Engine drive belt broken requires replacement 2. Replace engine drive belt.
3. Engine drive belt has jumped off of the pulley 3. Reinstall belt onto pulley. Check for damage.
4. Poly V belt is broken. 4. Replace Poly-V belt.
5. Poly V belt has jumped off of the pulley 5. Reinstall belt onto pulley. Check for damage.
6. Driven disc slipping 6. Clean or replace driven disc.
7. Broken or loose differential link bolt 7. Tighten or replace link bolt.
1. Cutting height too low or high. 1. Adjust cutting height.
2. Engine speed too slow. 2. Move engine speed control to “FAST” position.
3. Forward ground speed too fast. 3. Move ground speed control to a slower speed.
4. Terraced cut, side to side. 4. Adjust height of cut with height adjust levers.
5. Excessive deck pitch, front to rear. 5. Adjust height of cut with height adjust levers.
6. Cutting blade dull or damaged. 6. Sharpen cutting edges or replace blade.
1. Engine spe ed too slow. 1. Move engine speed control to “FAST” positi on.
2. Forward speed too fast. 2. Move ground speed control to a slower speed.
3. Grass is wet. 3. Mow when grass is dry.
4. Excessively worn or damaged blade. 4. Service mower blade.
5. Build up of grass clippings and debris under deck. 5. Clean deck.
6. Improper blade installed on deck.
7. Blade installed improperly on deck. 7. Install blade properly.
1. Leaking engine case.
1. Blade control should be held securely against handle at all times during operation of mower.
1. Contact authorized SNAPPER dealer.
6. Install proper SNAPPER blade.
1. Contact authorized SNAPPER dealer.
2. Check and tighten drain plug.
3. Make sure dip stick or oil filler cap is securely in place.
19
ITEM SERVICE PERFORMED
Engine Oil
Check Oil Level Page 6
SERVICE SCHEDULE
REF. EACH
USE 5 HRS
X
25
HRS
50
HRS
100
HRS
EACH
SEASON
Air Pre-Cleaner
Air Cleaner Spark Plug
Engine Cooling
System
Drive Belts
Mower Blade
Mower Deck
Transmission
Grease
Drive Disc
* 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
4.5 MAINTENANCE/REPLACEMENT PARTS
Initial Oil Change Page 9 Periodic Oil Change Page 10
Clean Sponge Element Engine Manual
& Page 10.
Clean or Replace Engine Manual. Replace Engine Manual. Clean Shroud & Fins Engine Manual
Check For Wear And Tension Check For Wear, Damage & Replacement Clean Debris Accumulation Check Grease Level Pages 9-10
Periodic Grease Check Pages 10 Check for Wear Damage
& Replacement
Page 16-17 Page 11-12 Page 10
Page 12-15
X X*
X**
X** X X**
X X X
X
X
X X
X X
MAINTENANCE PARTS
Engine Speed Control None Blade Control Cable (Push & Propelled Models) 7-2933 Clutch Pull Cable (Propelled Models) 7-2932 Cutter Blade (Mulching) 4-1939 Cutter Blade (Ninja - Quad Edge) 2-6407 Wheel Drive Pulley to Transmission Pulley Belt 1-2354 * Engine to Drive Disc Stretch Type Belt 4-6784 Rubber Drive Tire 4-1855 Parts Manual for 21” Steel Deck Walk Behind Mower
“M” Series 14 & 15
* IMPORTANT: This stretch belt should be used only on models without idler pulleys.
06064
20
DECAL IDENTIFICATION
SAFETY ALERT
READ, UNDERS
TAND AND FOLLOW INSTRUCTIONS AND WARNINGS IN OPERATOR’S
KEEP CHILDREN
SYMBOL. OBSERVE
AND FOLLOW ALL
SAFETY
INSTRUCTIONS.
(1) WARNING INSTRUCTIONS.
(2) WARNING: Do Not operate without entire Grass Catcher or Guard in place.
(3) PRIME: Use for initial engine starting. Read and follow engine operating and maintenance instructions. Push bulb to prime engine.
(4) SPARK PLUG: Warns of potential electrical shock from spark plug while engine is running.
(5) AIR FILTER: Indicates location of engine air filter. To service the filter, read and follow the engine operating and maintenance instructions.
MANUALS, AND ON THE MOWER, ENGINE AND ATTACHMENTS BEFORE OPE RATING.
AND OTHERS OUT OF MOWING AREA.
(6) THROTTLE CONTROL: Indicates direction to increase engine RPM (Hare), decrease engine RPM (Tortoise), and direction to choke.
(7) SPEED SELECTOR: Shows direction of motion and the ability to select one of six ground speeds by rotating the lever.
21
DECAL IDENTIFICATION
(8) OPERATOR PRESENCE CONTROL (OPC): Arrow points to the OPC bail. When bail is rotated rearward, the engine may be start ed and will run as indicated by the engine with rotating arrow. With the engine running, the blade is rotating as indicated by the cut grass s ymbol. When the bail is released and rotates forward, the engine will stop.
(9) CLUTCH: Located on the plastic grip of the traction control lever. Moving the lever toward the handle engages the traction clutch and forward motion starts. When the lever is rele ased, the clutch disengages and forward motion stops.
(10) SHIFT WARNING: Located on the middle handle. Indicates that the engine must be stopped before shifting ground speed control.
(11) INJURY WARNING: Indicates possible severe injury from rotating cutting blades.
(12) CE DECAL: Indicates European Certification.
(13) LWA-100: Indicates European noise level certification.
EUROPEAN PERFORMANCE:
Maximum level of vibration measured at the operators hand 19.1 m/sec2
22
3 YEAR LIMITED WARRANTY
For three (3) years fr om purchase date for the origi nal pur chas er 's r es ide ntial, non - c ommercial use, SNAPPER, through any authorized SNAPPER dealer will replace, free of charge (except for taxes where applicable), 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 fr om purchase date for the original purchaser's commercial, rental, or other non-residenti al 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 engi nes and the ir compone nts, and ba tteries, as t hese item s are warr anted separat ely. This warranty does not apply to parts that have been damaged by accident, alteration, abuse, im proper lubrication, normal wear, or other cause beyond the contro l of SNAPPER. This warranty does not cover an y mac hine or component part that has been altered or modified changing safety, performance, or durability.
Batteries have a on e (1) year pr orate d warra nty per iod with f ree replac em ent if r equire d durin g the f irst nin ety ( 90) da ys from the original purchase date. SNAPPER will not be responsible for any installation cost incurred. The battery warranty only covers original equipm ent 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 me rchantability and fitness for a particular purpose, are limit ed to three (3) years from purchase date for the original purchaser's resid ential 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 impli ed warranties are excluded. This is th e exclusive remedy. Liabilities for consequential damages, under any and all warranties are excluded.
Some states do not allo w limitations on how long an implied w arranty 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: T HE USE OF REPLACEM ENT PARTS OTHER THAN GENUINE SN APPER PARTS M AY 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 P r od uct Regis tration Ce nt e r, P. O. B o x 1 379, M cDo nou gh, Geo rgia 30 25 3
23
NOTES
24
Safety Instructions & Operator’s Manual for
ENGINE EXHAUST, SOME OF ITS CONSTITUENTS, AND CERTAIN VEHICLE COMPONENTS CONTAIN OR
EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER OR OTHER
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
EUROPEAN 21” STEEL DECK WALK BEHIND MOWERS “M” MODEL SERIES 15
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
OTHER REPRODUCTIVE HARM. WASH HANDS AFTER HANDLING.
WARNING
REPRODUCTIVE HARM.
COPYRIGHT © 2000 SNAPPER INC. ALL RIGHTS RESERVED
MANUAL No. 7-3695 (I.R. 5/1/00)
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