Snapper EFRP216516BV User Manual

Page 1
Safety Instructions & Operator’s Manual for
EUROPEAN
21” STEEL DECK
WALK MOWERS
SERIES 16
PROPELLED MODEL
EFRP216516BV
MODEL NUMBER EXPLANATION
E F R P 21 65 16 B V
MODEL DESIGNATION ENGINE OPTIONS SELF-PROPELLED ENGINE TYPE CUTTING WIDTH SERIES DESIGNATION ENGINE HORSE POWER
E – European Model R – Recycling Model 16 – Series Designation F – Flange Type Deck P – Self Propelled Model B – Briggs & Stratton Engine
21 – 21” Cutting Width V – Over Head Valve Engine
65 – 6.5 HP (Engine Horse Power)
Thank you for buying a SNAPPER Product! Before operating your Walk Behind, 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.
COPYRIGHT © 2000 SNAPPER INC. ALL RIGHTS RESERVED
MANUAL No. 7-3694 (I.R. 4/28/00)
Page 2
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 occur if the operator is not alert to the presence of children. Children are often attracted to the machine and the mowing activity. Never assume that children will remain where you last saw them.
1. KEEP children out of the mowing area and under the watchful care of a responsible adult.
2. DO NOT allow children in yard when machine is operated 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 object s that may obscure vision.
SLOPE OPERATION
1. Slopes are a major factor related to slip and fall accidents, which can result in severe injury. All slopes require extra caution. If you feel uneasy 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 stability 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 indicates that operat ors 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 approv ed 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 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 in jury if thrown by blade or interfere with mowing. 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 safety devices frequently 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.
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Page 3
IMPORTANT SAFETY INSTRUCTIONS
OPERATION
1. DO NOT put hands or feet near or under rotating parts. Keep clear of discharge area wh ile 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 spark 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 r eason.
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 wait until the blade comes to complete STOP before removing grass bag and/or clearing grass.
12. DO NOT operate mower without the entire 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 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 out of reach of children in a well ventilated, unoccupied building.
2. Keep mower and en gine 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. Keep all bolts, especially blade bolts, nuts and screws properly tight. Check that all co tter 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 secure wire away from spark plug to prevent accidental starting.
7. DO NOT change engine governor speed settings or overspeed engine.
8. Check grass b ag assemb ly frequent ly for w ear o r deterioration to avoid thrown objects and exposure to moving parts. Replace w ith new bag if loose seams or tears 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.
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Page 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 & Blades............................................................. 6-7
Starting & Stopping Wheel Drive ....................................................................... 7
Handle Height Adjustment.................................................................................. 7
Cutting Height Adjustment................................................................................ .7
Recycling Operation............................................................................................8
Baffle Adjustment................................................................................................ 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 (Standard & Ninja).......................................... 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
Driven Disc Replacement..........................................................................14-15
Driven Disc Bearing Replacement................................................................ 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
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Section 1 - FAMILIARIZATION
CONTROL
CONTROL
FILLER CAP
SPEED DECAL
SIDE DISCHARGE DEFLECTOR
RECYCLING DECK COVER
WHEEL DRIVE
ENGINE SPEED CONTROL
ROPE START HANDLE
UPPER HANDLE
MID HANDLE
KNOB
BLADE
GROUND SPEED CONTROL
GROUND SPEED CONTROL
FAST
BLADE CONTROL ­RELEASE TO STOP BLADE & ENGINE
SLOW
ENGINE SPEED CONTROL
ENGINE
FAST
SLOW
WHEEL DRIVE CONTROL ­RELEASE TO STOP FORWARD MOTION
KNOB
LOWER HANDLE
REAR HEIGHT ADJUSTMENT LATCH
FUEL
ENGINE AIR BREATHER COVER
RECYCLING DECK COVER
PRIMER BULB
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 safety messages on the mower and attachments before operating the mower.
FIGURE 1.1
1.2 NOMENCLATURE
OIL FILL CAP & DIPSTICK
MOWER
FRONT HEIGHT ADJUSTMENT LATCH
The nomenclature drawing above, Figure 1.1, shows the essential parts of the SNAPPER 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 separate engine owner’s manual. Study these manuals befor e operating and keep both handy for future reference.
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Section 2 - OPERATING INSTRUCTIONS
(SHOWN IN “FAST”
2.1 PRE-START CHECK LIST
Make the following checks and perform the service required before each start-up.
2.1.1. Check guards, deflectors, grass bag, adapter and covers to mak e sure all are in place and securely tightened.
2.1.2. Check blade c ontr ol and wheel drive contr ol to insure they work freely. See Figure 2.1.
RECYCLING MODEL SHOWN (ROPE START MOUNTED ON RIGHT SIDE OF HANDLE)
2.1.6. Clean exterior surfaces of cutting deck and
engine of any accumulation of spilled fuel, dirt, grass , oil, etc. Keep engine air intake screen and cooling fins clear at all times.
2.2 STARTING & OPERATION
2.2.1. ENGINE & BLADE
1. Move engine speed control to the “Fast” (Rabbit)
position. See Figure 2.3.
NOTE: Stop the engine (and blade) by releasing the
blade control.
WHEEL DRIVE CONTROL
BLADE CONTROL
BLADE CONTROL
WHEEL DRIVE 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 specifications. See Figure 2.2.
CHECK ENGINE OIL
FIGURE 2.2
2.1.5. Add fuel to tank after pushing the mower
outside where fumes can saf ely dissipate. Make sure cap is tightened after refueling. Refer to Engine Owners Manual for specifications.
ENGINE SPEED CONTROL
FIGURE 2.3
2. Push primer bulb three times to start a cold
engine. NOTE: Do not use pr imer bulb to start warm engine.
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.
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Section 2 - OPERATING INSTRUCTIONS
CONTROL
SIX
HE
IGHT 1
HEIGHT
6
1
5 6
2.2.2. PROPELLING MOWER (Self Propelled Models Only)
1. Move ground speed control to the desired speed
position. See Figure 2.4.
2. Move wheel drive control against handle to engage wheel drive and propel mower forward. Forward speed can be adj usted while the mower is moving by changing position of the ground speed control. See Figure 2.4.
MOVE GROUND SPEED CONTROL TO DESIRED POSITION
(FAST) SIXTH SPEED POSITION
ONE
RECYCLING MODEL SHOWN (ROPE START MOUNTED ON RIGHT SIDE OF HANDLE)
(SLOW) ONE SPEED POSITION
WHEEL DRIVE CONTROL
2. Move upper mower handle up or down until the
desired position is achieved.
3. Tighten the lower nuts on each lower handle to maintain desired position.
STOP engine and mow er b lade b y releasing the blade control before adjusting cutting height or handle height.
2.5 CUTTING HEIGHT ADJUSTMENT
1. Pull the height adjusting latch outward and move
to desired cutting height. See Figure 2.6.
WARNING
LOWEST CUTTING
LATCH
BLADE
FIGURE 2.4
2.3 STOPPING
Stop engine and blade by releasing the blade control. Stop forward motion of mower by releasing the wheel drive control.
2.4 HANDLE HEIGHT ADJUSTMENT
The height of the mo wer handle can be adjusted as follows:
1. Loosen the lower nuts on each lower handle as shown in Figure 2.5.
HIGHER
LOWER HANDLE
LOWER
2
3
4
HIGHEST CUTTING
FIGURE 2.6
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 2.7.
LATCH POSITIONS
LOOSEN LOWER NUTS ON EACH LOWER HANDLE
CUTTING HEIGHT SETTINGS
FIGURE 2.7
FIGURE 2.5
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Section 2 - OPERATING INSTRUCTIONS
BAFFLE
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.
2.6 RECYCLING OPERATION NOTE: For best recycling results, cut up to a m axim um of
1/3 of grass blade length and recycle 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.
2.7 ADJUSTING FRONT DECK BAFFLE (Models with an “F” prefix in model number) (Example: EF
R216516BV)
The front of the cutting deck on these m odels has been modified with an open area. This allows the blade to have more direc t c ontact with the grass and allows more air flow into deck chamber. The adjustable baffle should be secured in the lowest position when using a grass bag. T he baffle should be secured in the highest position when mulching grass.
NOTE: Under certain conditions, when mulching, some grass may blow out from under front of baffle. This is normal but, the amount of grass blowing out can be reduced. Lower baffle slightly to reduce the amount of grass blow out.
1. Stop engine. See WARNING above.
2. Loosen wing nuts that secure front deck baffle.
See Figure 2.8.
3. Lower the adjustable baffle to the lowest position when using a grass bag. Raise the baffle to its highest position when m ulching grass. Tak e care to keep the baffle’s lower edge par allel to the bottom of the deck. See Figure 2.8.
4. Retighten wing nuts securely.
2.8 INSTALLATION of GRASS CATCHER
Install grass catcher by sliding connector over flange of adapter. Attach grass bag hooks over middle handle cross bar. See Figure 2.9.
HOLE DESIGNATES TOP OF BAFFLE (AL WAYS KEEP HOLE IN UP POSITION)
FRONT DECK BAFFLE (SHOWN IN HIGHEST POSITION)
FRONT CUTOUT OF DECK
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.
WING NUT
FIGURE 2.8
WARNING
FIGURE 2.9
FRONT DECK
WING NUTS
MOVE BAFFLE UP FOR MULCHING GRASS
MOVE BAFFLE DOWN FOR GRASS BAGGING
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Section 3 - MAINTENANCE
3.1 INTRODUCTION
To retain the quality of the mower, 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 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.
3.2.2. CHECK GREASE LEVEL IN TRANSMISSION
1. Remove transmission fill plug. Roll machine
forward or backward while looking down into plug hole.
2. If liquid (the small gear below the plug hole), add an amount, to cover gear, of Snapper “ 00” grease. See Figure 3.2.
FILL PLUG
NOTE: Snapper “00” Grease (Part No. 2-9443) is available
at your SNAPPER dealer. NOTE: Do not spill grease or oil on surface of drive disc.
See Figure 3.3.
3. Reinstall transmission plug.
4. Thereafter, check grease level after each 25
hours of operation.
grease IS NOT visible on the input gear
FIGURE 3.2
KEEP DRIVE DISC CLEAN !
FIGURE 3.1
FIGURE 3.3
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Section 3 - MAINTENANCE
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 f rom crankcase will saturate the air filter and cause the engine to be hard to start or not start at all. If contamination does occ ur, the air f ilter 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 sharpnes s, wear and damage. See Section on Blade Wear Limits.
3.2.4. CHECK ENGINE DRIVE BELT
1. Visually check engine drive belt for cracking,
fraying , severed or belt strands exposed. I f worn 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.
FIGURE 3.4
RECOMMENDED BLADE RETAINING CAP SCREW TORQUE VALUE SHOULD BE 30 TO
3.3 SERVICE - ANNUALLY
Perform all maintenance as described in the “Service Schedule” section of this 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 engine 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 rear wheels and thoroughly clean the underside of the deck . Do not tilt mower with spark plug or carburetor down. Scrape away any accumulation of grass with a putty knife and or wire brush.
5. Lubricate all exposed metal with a light coating of oil to prevent corrosion.
6. On these models, loosen wing nuts on ground speed control rod before folding handles.
7. Loosen handle knobs. Carefully fold the handles forward, “flexing” the c ontro l cables to pr event cable damage.
8. Store the mower in a shed or other dry area, protected from weather.
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Section 4 - REPAIR & ADJUSTMENTS
BLADE.
FLANGES
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 damage. See Figure 4.1.
4.1.1A. NINJA BLADE WEAR LIMIT 1A. Inspect blade frequently for signs of excessive
wear or damage. See Figure 4.2.
NEW BLADE
NEW BLADE
WEAR LIMIT (NOTCH STARTS)
DANGEROUS CONDITION ! DO NOT USE ON MOWER ! REPLACE WITH NEW
FIGURE 4.1
WEAR LIMIT. CRACKS OR NOTCHES BEGIN TO APPEAR ON TIP
2. Replace the blade if it is badly chipped, bent,
noticeably out of balance 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.
4.1.2. BLADE SHARPENING
1. Disconnect s park plug wire and sec ure end away
from plug.
IMPORTANT: DO NOT tip machine with carburetor or spark plug down. Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all. If contamination does occ ur, the air f ilter will have to be replaced.
2. Tilt mower up on its rear wheels. Do not tilt mower with spark plug or carburetor down.
3. Remove blade. See Figure 4.3.
WARNING
BLADE HUB
FLANGE
BLADE
CONE WASHER (Concave Side Up)
CAPSCREW
MAKE SURE THAT BLADE HUB IS SEATED BETWEEN
FIGURE 4.3
DANGEROUS ! DO NOT USE A BLADE IN THIS CONDITION !
FIGURE 4.2
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Section 4 - REPAIR & ADJUSTMENTS
CLUTCH CABLE
VINYL SPRING COVER
SPRING
EYE
CLUTCH CABLE EYE
CUTTING EDGE
BLADE ASSEMBLY
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 blade on a grinding wheel at an angle of
22 to 28 degrees. DO NOT sharpen blade beyond original cutting edge. See Figure 4.4.
DO NOT SHARPEN BEYOND ORIGINAL
22-28º
1/16” TO 1/8” CLEARANCE
UPPER
LOWER SPRING
CLUTCH CABLE
SPRING HOOK
CABLE
BLADE TIP
END VIEW OF
ORIGINAL CUTTING EDGE
FIGURE 4.4
5. Check blade for balance. If necessary, correct
balance by grinding heavy end of blade.
6. Reinstall blade. Refer to Figure 4.1. Check torque of blade retaining cap scr ew. 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 inside of the clutch cable eye with the wheel drive control released. See Figure 4.5.
SPRING
FIGURE 4.5
2. To adjust, unhook upper s pring from cable eye
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 control fails to return quick ly to the “OFF” position when released, check for binding at the cable holdings located on the side of the right handle. The upper clip should be loc ated 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.
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Section 4 - REPAIR & ADJUSTMENTS
SPRING
POSITION
SIXTH
POSITION
BELT
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:
DRIVEN DISC &
POLY-V
DRIVE SPRING
ENGINE DRIVE BELT
DRIVE 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 r ubber ring is worn - does not contac 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.
4.3.3. DRIVEN DISC ADJUSTMENT
If the drive disc and driven disc are clean and the mower drive is still slipping, adj ust the driven dis c as follows:
1. Place shift rod in the number six speed position. See Figure 4.8.
MOVE GROUND SPEED CONTROL TO SIX SPEED POSITION
13
USE NEEDLE NOSE PLIERS TO INSTALL DRIVE SPRING
DRIVE
FIGURE 4.7
REYCLING MODEL SHOWN (ROPE START MOUNTED ON RIGHT SIDE OF HANDLE)
SIXTH SPEED
FIRST
FIRST SPEED
FIGURE 4.8
(Continued On Next Page)
Page 14
Section 4 - REPAIR & ADJUSTMENTS
EDGE
ROD
HEX NUT
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 Figure 4.9.
DRIVEN DISC ASSEMBLY
DRIVE DISC
DRIVEN DISC SPRING
TRANSFER ROD
CONNECTOR
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” measurem ent, 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 position). Then retighten the connector hex nut secur ely. See Figure
4.10. Move ground speed control to the first speed position, then back to the sixth speed position. Recheck the 1/8” meas urement described previously. Reinstall driven disc spring to driven disc assembly.
14
1/8” MEASUREMENT TO OUTSIDE EDGE OF DRIVE DISC
SLIDE DRIVEN DISC ASSEMBLY TOWARD OUTSIDE
TRANSFER
CONNECTOR
CONNECTOR
DRIVE DISC
OUTSIDE EDGE
FIGURE 4.10
4.3.4. Replacing Driven Disc Rubber Ring
If the rubber r ing is badly chunked or worn down to within 1/16” of the metal rim of the driven disc hub, it must be replaced. Install new rubber ring as follows:
1. Using a small flat blade screwdriver, free the clip from the transf er rod. Then rem ove the transfer r od from the clip and the speed control rod. See F igure
4.11.
CONNECTOR CLIP
TRANSFER ROD
SPEED CONTROL ROD
FIGURE 4.11
(Continued On Next Page)
Page 15
Section 4 - REPAIR & ADJUSTMENTS
BEARING
ASSEMBLY
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 Driven Disc Rubber Ring (Continued From Previous Page)
2. Using needle nose pliers, unhook the drive
spring and slide the driven disc assembly off the hex shaft. See Figure 4.12.
3. Remove the five machine screws and plate which secure the rubber ring to the driven disc hub. See Figure 4.13.
4. Install new rubber ring.
5. Reverse above procedures for reassembly and
installation.
4.3.5. Replacing Bearing In Driven Disc Assembly
If the driven disc bearing fails, remove the driven disc assembly and replace bearing as follows:
1. Using a small flat blade screwdriver, free the clip from the transfer rod. Then remove the transfer rod from the clip and the speed control rod. See Figure
4.11.
2. Using needle nose pliers, unhook the drive spring and slide the driven disc assem bly of f the hex shaft. See Figure 4.12.
3. Remove snap ring that secures driven disc hub to thrust plate. See Figure 4.14.
THRUST PLATE
REMOVE FOUR MACHINE SCREWS
DRIVEN DISC PLATE
SHIM
WASHER SNAP RING
DRIVEN DISC HUB
RUBBER DISC
MACHINE SCREWS
FIGURE 4.12
PLATE
DRIVE DISC
DRIVEN DISC HUB
RUBBER RING
FIGURE 4.13
FIGURE 4.14
4. Slide the hub assembly out of the bearing.
5. Remove the four screws.
6. Remove bearing and replace with new bearing.
7. Reassemble components in reverse order.
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Page 16
Section 4 - REPAIR & ADJUSTMENTS
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 the 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 located on the outside of the right wheel bracket. See Figure
4.15.
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
3/8” LOCK NUT
BALL BEARING HOLDER
FIGURE 4.15
4.4 BELT SERVICE
On self-propelled mowers, the engine belt transmits power from engine to drive disc. The dr ive disc powers 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 condition of the engine belt and poly-v belt should be check ed af ter 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 4.16. There is no
idler pulley on these models to disconnect. See Figure
4.15.
ENGINE DRIVE PULLEY
TOP VIEW OF STRETCH TYPE BELT ROUTING
DRIVE BELT
DRIVE DISC
FIGURE 4.16
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Page 17
Section 4 - REPAIR & ADJUSTMENTS
BRACKET
PULLEY
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.
4.4.1. Engine Drive Belt Replacement (Stretch Type Belts)
(Continued From Previous Page) IMPORTANT: DO NOT tip machine with carburetor or
spark plug down. Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all. If contamination does occ ur, the air f ilter will have to be replaced.
3. Remove the driven disc. Refer to Section “Replacing Rubber Driven Disc Ring” for driven disc 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 the slotted end of the drive disc bolt with a screwdriver and remove the nut and internal tooth lock washer. See Figure 4.17.
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
4.16.
PULLEY POSITION
SLOT IN END OF DRIVE DISC BOLT
DECK BRACKET (PARTIALL Y SHOWN)
BOLT RETAINER
INTERNAL TOOTH LOCKWASHER
NUT
FIGURE 4.17
DRIVE DISC
BUSHING
9. Loop the belt around the pulley on the bottom of
the drive disc.
10. Reinstall drive disc and retaining hardware. IMPORTANT: 1) The square shoulder of the drive
disc bolt must fit into the s quare hole of the bushing.
2) The square end of bushing must fit into the bracket slot.
11. Reinstall belt cover and tighten bolts securely.
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 4.18.
DRIVE PULLEY
HEX SHAFT
BELT GUIDE
3. Place new Poly-V-Belt over end of hex shaft and
onto driven pulley.
4. Work belt onto top of idler pulley.
5. Twist belt sideways and pull it upward between
the differential bracket and drive pulley and then down into the pulley groove. Make sure the Poly-V­Belt is above belt guide. See Figure 4.18.
IDLER PULLEY
ROUTING OF POLY-V BELT
DIFFERENTIAL
POLY-V BELT
FIGURE 4.18
DRIVEN
17
Page 18
TROUBLESHOOTING
Mower Will Not Move
SNAPPER
PROBLEM PROBABLE CAUSE CORRECTIVE ACTION
Engine Will Not Start 1. Fuel tank empty. 1. Fill fuel tank with fresh fuel.
Using Recoil Starter 2. Engine needs choking or priming. 2. Choke/Prime. Check Engine Manual for
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 1. Engine air pre-cleaner or air cleaner dirty 1. Clean or replace filters.
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 1. Damaged, out of balance or bent mower blade. 1. Service mower blade.
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. Blade control is released or is not being held securely against handle.
1. Damaged transmission
2. Traction drive belt requires replacement 2. Replace traction drive belt.
3. Driven disc slipping 3. Clean or replace driven disc.
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 speed too slow. 1. Move engine speed control t o “FAST” position.
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 blades properly.
1. Leaking engine case.
Instructions.
1. Blade control should be held securely against handle at all times during operation of mower.
1. Contact authorized
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.
dealer.
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Page 19
Parts Manual for 21” Steel Deck Walk Behind Mower
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
Transmission
Grease
Air Pre-Cleaner
Air Cleaner Spark Plug
Engine Cooling
System
Mower Deck
Mower Blades
Driven Disc
Initial Oil Change Page 9 Periodic Oil Change Page 10
Check Grease Level Page 9
Periodic Grease Check Page 10 Clean Sponge Element Engine Manual. Clean or Replace Engine Manual. Replace Engine Manual. Clean Shroud & Fins Engine Manual
Clean Debris Accumulation Check For Wear, Damage & Replacement Check for Wear & Damage Disc Adjustment Page 13
Disc Replacement Page 14-15
Page 10 Page 11-12 Page 12
X X*
X X
X X** X** X X**
X
X
X
X
Drive Belts
* 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
Bearing Replacement Page 15 Check For Wear And
Tension
Page 16-17
X X X
MAINTENANCE PARTS
Blade Control Cable 2-5036 Clutch Pull Cable 2-5013 Cutter Blade (Air Lift Compatible) 1-9795 Cutter Blade (Mulching) 1-7168 Cutter Blade (Not Air Lift Compatible) 2-6691 Cutter Blade (Ninja - Quad Edge) 2-6407 Wheel Drive Pulley to Transmission Pulley Belt 1-2354 Engine to Drive Disc Belt 4-6784 Rubber Drive Tire 2-3364
Series 12, 14, 15 & 16
19
06059
Page 20
DECAL IDENTIFICATION
OF MOWING AREA.
SAFETY ALERT
SYMBOL. OBSERVE
AND FOLLOW ALL
(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.
SAFETY
INSTRUCTIONS.
READ, UNDERSTAND AND FOL L OW INSTRUCTIONS AND WARNINGS IN OPERATOR’S MANUALS, AND ON THE MOWER, ENGINE AND ATTACHMENTS BEFORE OPERATING.
KEEP CHILDREN AND OTHERS OUT
(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.
20
Page 21
DECAL IDENTIFICATION
(8) OPERATOR PRESENCE CONTROL (OPC): Arrow points to the OPC bail. When bail is rotated rearward, the engine may be started 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 symbol. 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 t he lev er is released , th e clut ch 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
21
Page 22
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 REPL ACEMENT 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 Ce nter, P.O. Box 1379, McDonough, Georgia 30253
22
Page 23
NOTES
___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________
23
Page 24
Safety Instructions & Operator’s Manual for
ONSTITUENTS, AND CERTAIN VEHICLE COMPONENTS CONTAIN OR
EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER OR OTHER
RIES CONTAIN LEAD AND LEAD COMPOUNDS,
CHEMICALS KNOWN TO THE STATE OF CALIFORNIA T O CAUSE CANCER AND BIRTH DEFECTS OR OTHER
EUROPEAN 21” STEEL DECK WALK MOWERS SERIES 16
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).
BATTERY POSTS, TERMINALS AND RELATED ACCESSO
REPRODUCTIVE HARM. WASH HANDS AFTER HANDLING.
ENGINE EXHAUST, SOME OF ITS C
REPRODUCTIVE HARM.
COPYRIGHT © 2000 SNAPPER INC. ALL RIGHTS RESERVED
WARNING
WARNING
MANUAL No. 7-3694 (I.R. 4/28/00)
24
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