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14 

Section 4 - REPAIR & ADJUSTMENTS 

 

WARNING 

Before attempting any adjustments or repairs, STOP 
the engine, remove the spark plug wire from the 
spark plug and secure wire away from plug.  

 
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. 

 

 

 

FIGURE 4.7 

 

4.3.3.  DRIVEN DISC ADJUSTMENT 
If the drive disc and driven disc are clean and the 
mower drive is still slipping, adjust the driven disc as 
follows: 
 
1.  Place shift rod in the sixth speed position.  See 
Figure 4.8. 

 
 
 
 
 
 
 

 

 

FIGURE 4.8 

 

2.  Remove driven disc spring from driven disc 
assembly. Loosen connector hex nut. See Figure 4.9. 

 

 

 

FIGURE 4.9 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

DRIVEN DISC 
ASSEMBLY 

DRIVE 
DISC 

DRIVEN DISC 
SPRING 

TRANSFER 
ROD 

CONNECTOR 

CONNECTOR 
HEX NUT 

USE 
NEEDLE 
NOSE 
PLIERS TO 
INSTALL 
DRIVE 
SPRING 

DRIVE 
SPRING 

MOVE GROUND 
SPEED CONTROL TO 
SIX SPEED POSITION 

REYCLING MODEL SHOWN 
(ROPE START MOUNTED ON 
RIGHT SIDE OF HANDLE) 

SIXTH SPEED 
POSITION 

SIXTH 

FIRST 

FIRST 
SPEED 

Summary of Contents for WRPS216517B, WRPS216517BE

Page 1: ...r P Self Propelled Model S Swivel Front Wheel 17 Series Designation 21 21 Cutting Width B Briggs Engine E Electric Start 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 ...

Page 2: ...here stability or traction is in doubt PREPARATION 1 Read understand and follow instructions and warnings in this manual and on the mower and with 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 3 Data indicates that operators age 60 and above are involved in a large percenta...

Page 3: ...ildren in a well ventilated unoccupied building 2 Keep mower and engine free of grass leaves or excess grease to reduce fire hazard and engine overheating 3 When draining fuel tank drain fuel into an approved container outdoors and away from open flame MAINTENANCE AND STORAGE 4 Keep all bolts especially blade bolts nuts and screws properly tight Check that all cotter pins are in proper position 5 ...

Page 4: ...Engine 11 Air Filter 11 Engine Oil 11 Storage Procedure 11 SECTION 4 ADJUSTMENTS AND REPAIR 12 18 Mower Blade Repair Replacement 12 Wheel Drive Control Adjustment 13 Driven and Drive Disc Service 13 Cleaning Drive Disc and Driven Disc 14 Drive Spring Repair Replacement 14 Driven Disc Adjustment 14 Driven Disc Replacement 15 Driven Disc Bearing Replacement 16 Hex Shaft Bearing Replacement 16 Belt S...

Page 5: ...e 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 before operating and keep both handy for future reference WHEE...

Page 6: ... 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 Primer Models Electric Start When the ignition key is turned to START the engine will crank over but will not start unless the blade control is engaged 1 Move engine speed control to the Fast Rabbit position See Figure 2...

Page 7: ...ve and propel mower forward Forward speed can be adjusted while the mower is moving by changing position of the ground speed control See Figure 2 5 FIGURE 2 5 2 3 STOPPING 1 Stop engine and blade by releasing the blade control or turning key switch to the off position Stop forward motion of mower by releasing the wheel drive control WARNING Stop engine and mower blade before adjusting handle heigh...

Page 8: ...eel to maintain better control of machine when operating on slopes 1 Stand in the operator s position Push machine forward until swivel wheel is positioned in the forward direction Wheel must be positioned in a forward direction to engage swivel wheel lock 2 Push wheel lock lever forward to lock swivel wheel in place Swivel wheel will stay in the forward direction position See Figure 2 9 3 Pull wh...

Page 9: ...njury 2 8 INSTALLATION of Optional GRASS CATCHER Install grass catcher by sliding connector over flange of adapter See Figure 2 10 Attach grass bag hooks over middle handle cross bar See Figure 2 11 FIGURE 2 10 FIGURE 2 11 2 9 INSTALLATION of RECYCLING PLUG Optional Accessory on Some Models STEP 1 Once adapter has been installed recycling may be desired Insert recycling plug completely and securel...

Page 10: ...ce shallow pan underneath the approximate center of the oil drain plug 4 Loosen with ratchet and short extension but do not remove oil drain plug Loosen plug until you can turn it with your fingers 5 Lower the mower down and place the piece of wood under left rear wheel Reach back under mower and remove drain plug and allow oil to drain out completely in pan Some oil may spill onto hands immediate...

Page 11: ...operating mower FIGURE 3 4 3 3 ANNUALLY END OF EACH SEASON Perform all maintenance as described in the maintenance schedule 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 direct...

Page 12: ...EMENT for proper blade inspection and service procedures 4 1 2 BLADE SHARPENING 1 Disconnect spark plug wire and secure end away from plug 2 Tilt mower up on its rear wheels Do not tilt mower with spark plug or carburetor down 3 Remove blade See Figure 4 2 FIGURE 4 2 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 3...

Page 13: ...fails to return quickly 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 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 See Figure 4 5 FIGURE 4 5 4 3 DRIVEN DISC SERVICE If the mower does not propel itsel...

Page 14: ...eplacement If drive spring is loose reconnect as shown in Figure 4 7 If spring is broken replace with new spring FIGURE 4 7 4 3 3 DRIVEN DISC ADJUSTMENT If the drive disc and driven disc are clean and the mower drive is still slipping adjust the driven disc as follows 1 Place shift rod in the sixth speed position See Figure 4 8 FIGURE 4 8 2 Remove driven disc spring from driven disc assembly Loose...

Page 15: ...stem on Some Models If the rubber ring 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 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 ...

Page 16: ...re 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 FIGURE 4 15 4 4 BELT SERVICE On these mowers the engine belt transmits power from engine to drive disc The drive disc powers the poly v belt which engages the transmission that powers the rear ...

Page 17: ...t 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 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 square hole of the bushing 2 The square end of bu...

Page 18: ...the battery 4 5 2 BATTERY SERVICE 1 Remove battery 2 Place battery in a well ventilated area on a level surface 3 Using distilled water refill cells as required to cover cell plates of which can also be visualized through the plastic battery case 4 With cell caps removed connect battery charger to battery terminals Red to positive terminal and black to negative terminal 5 Slow charge battery at 1 ...

Page 19: ... 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 Mower Will Not Move 1 Damaged transmission 1 Contact authorized SNAPPER dealer Loss Of Traction 2 Traction drive belt requi...

Page 20: ... Electrolyte Pages 6 18 X X Charge Battery Page 18 X Testing Battery Page 18 X Change oil every 25 hours when operating under heavy load or high temperatures Clean more often under dusty conditions or when air debris is present 4 6 MAINTENANCE REPLACEMENT PARTS MAINTENANCE PARTS Engine Speed Control Briggs Engines 2 9036 Blade Control Cable Briggs Engines 7 4868 Blade Control Cable Briggs Engines ...

Page 21: ...iginal purchase date SNAPPER will not be responsible for any installation cost incurred The battery warranty only covers original equipment batteries and does not cover damage 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 w...

Page 22: ...22 PRIMARY MAINTENANCE ...

Page 23: ...23 PRIMARY MAINTENANCE ...

Page 24: ...24 PRIMARY MAINTENANCE ...

Page 25: ...25 PRIMARY MAINTENANCE ...

Page 26: ...hone Number____________________________________________________ It is very important that you register your purchase with Snapper to ensure warranty coverage Please mail your product registration card to Snapper at P O Box 777 McDonough Georgia 30253 Or you may register on line at www snapper com You can contact us at our web site or if you would like to speak with a Customer Service Representativ...

Page 27: ...27 NOTES ...

Page 28: ...nts 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 COPYRIGHT 2002 SNAPPER INC ALL RIGHTS RESERVED MANUAL No 4 6916 REV 1 6 07 02 WARNING ENGINE EXHAUST SOME OF ITS CONSTITUENTS AND CERTAIN VEHICLE COMPONENTS CONTAIN OR EMIT CHEMICALS KNOWN TO THE STATE OF CALIFO...

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