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Safety Instructions & Operator’s Manual for 

 

21” STEEL DECK 

WALK MOWERS 

(TYPE ‘M’) 

SERIES 18 

 
 

 
 
 
 
 
 
 
 
 
 
 
 
 

MODEL NUMBER EXPLANATION 

 

MR P  21 65 18  B 

 
MODEL DESIGNATION 

ENGINE DESIGNATION 

SELF-PROPELLED 

SERIES DESIGNATION 

CUTTING WIDTH 

ENGINE HORSE POWER * 

 
M – Model Designation 

P – Self Propelled Model 

 

65 – 6.5 HP * 

B – Briggs & Stratton 

R – Recycling Model 

21 – 21” Cutting Width 

 

18 – Series Designation 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 - 4. 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. 
 

NOTE: Specifications are correct at time of printing and are subject to change without notice.  
* Actual sustained equipment horsepower will likely be lower due to operating limitations and environmental factors.

 

 
 
 
 

COPYRIGHT © 2004 
SNAPPER – A DIVISION OF SIMPLICITY MFG., INC. 
ALL RIGHTS RESERVED 

MANUAL No. 2-9755 (I.R. 7/29/04)

 

MODELS 

MR216518B 

MRP216518B 

 
 
 
 

Summary of Contents for MP216518B, MRP216518B

Page 1: ...d read this manual carefully and pay particular attention to the IMPORTANT SAFETY INSTRUCTIONS on Pages 2 4 Remember that all power equipment can be dangerous if used improperly Also keep in mind that...

Page 2: ...bt 3 Use extra care with grass 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 manua...

Page 3: ...leaving the operators position for any reason OPERATION Continued From Previous Column 11 Before cleaning repairing or inspecting make certain engine blade and all moving parts have STOPPED Disconnect...

Page 4: ...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 n...

Page 5: ...Blade 13 Check Engine Drive Belt 13 Check Transmission Poly V Belt 13 Service Annually 13 Engine 13 Air Filter 13 Engine Oil 13 Storage Procedure 13 SECTION 4 ADJUSTMENTS AND REPAIR 14 21 Mower Blade...

Page 6: ...parts of the SNAPPER Type M 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 Specifi...

Page 7: ...tside where fumes can safely dissipate Make sure cap is tightened after refueling Refer to Engine Owners Manual for specifications 2 1 6 Clean exterior surfaces of cutting deck and engine of any accum...

Page 8: ...ows 1 Loosen the lower nuts on each lower handle as shown in Figure 2 6 FIGURE 2 6 2 Move upper mower handle up or down until the desired position is achieved 3 Tighten the lower nuts on each lower ha...

Page 9: ...e side and top of the deck with the two nuts provided on the machine Slot in front edge of adapter must be under nut located on top of deck See Figure 2 9 FIGURE 2 9 STEP 2 Route recoil rope around pu...

Page 10: ...Figure 2 14 FIGURE 2 13 FIGURE 2 14 2 11 REMOVING and DUMPING GRASS CATCHER Slide Closure Type 1 Grasp bag connector and bag handle as shown See Figure 2 13 2 First lift up on bag handle removing it f...

Page 11: ...LATION of RECYCLING COVER Optional Accessory on Some Models It will be necessary to remove bag adapter and grass bag or discharge deflector before installing recycling cover See previous section for i...

Page 12: ...art at all If contamination does occur the air filter will have to be replaced 1 Refer to Engine Manual for proper oil specifications procedures and proper service intervals 2 For simplest cleanest oi...

Page 13: ...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 mowe...

Page 14: ...e Figure 4 1 4 1A Replace with new blade WARNING 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 servic...

Page 15: ...earance 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 FIGURE 4 5 2 To adjust unhook upper spring from cable eye and...

Page 16: ...c 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 comp...

Page 17: ...ten the connector hex nut securely See Figure 4 10 Move ground speed control to the first speed position then back to the sixth speed position Recheck the 1 8 measurement described previously Reinstal...

Page 18: ...ly IMPORTANT The bearing on these machines is staked into the thrust plate The bearing will have to be driven out with a mallet and a large punch A new bearing with four retaining screws will have to...

Page 19: ...ully 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 14 4 4 BELT SERVICE On self propelled mowers the engine...

Page 20: ...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...

Page 21: ...attery in a well ventilated area on a level surface 3 Using distilled water refill cells as required to bring fluid to proper level 4 With cell caps removed connect battery charger to battery terminal...

Page 22: ...arts 3 Loose or missing air lift if equipped 3 Replace air lifts Tighten to proper torque 4 Lumpy or frayed belt 4 Replace belt Mower Will Not Move 1 Damaged transmission 1 Contact authorized SNAPPER...

Page 23: ...Check Grease Level Page 13 X X Periodic Grease Check Page 13 X Drive Disc Check for Wear Damage Replacement Pages 16 18 X Change oil every 25 hours when operating under heavy load or high temperatures...

Page 24: ...ginal 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...

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

Page 26: ...26 PRIMARY MAINTENANCE...

Page 27: ...27 PRIMARY MAINTENANCE...

Page 28: ...28 PRIMARY MAINTENANCE...

Page 29: ...____________________________ Retailer s Phone Number____________________________________________________ It is very important that you register your purchase with Snapper to ensure warranty coverage P...

Page 30: ...30 NOTES...

Page 31: ...31 NOTES...

Page 32: ...ny 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 2004 SNAPPER A DIV...

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