Snapper MP216518B, MRP216518B Driven and Drive Disc Service, Cleaning Drive Disc & Driven Disc

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 DRIVEN AND DRIVE DISC SERVICE

If the mower does not propel itself properly, See Figure 4.6. Check for the following problems:

DRIVEN DISC &

RUBBER RINGPOLY-VBELT

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 rubber is worn - does not contact 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.

USE

NEEDLE

NOSE

PLIERS TO

INSTALL

DRIVE

SPRING

DRIVE

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 ground speed control in the number six speed position. See Figure 4.8.

MOVE GROUND

 

 

 

REYCLING MODEL SHOWN

SPEED CONTROL TO

 

 

(ROPE START MOUNTED ON

SIX SPEED POSITION

 

 

RIGHT SIDE OF HANDLE)

 

 

 

 

 

SIXTH SPEED

POSITION

SIXTH

FIRST FIRST

SPEED

FIGURE 4.8

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Contents Steel Deck Walk Mowers Type ‘M’ Series Model Number ExplanationImportant Safety Instructions Do not refuel the machine indoors From PreviousFrom Previous Column Important Safety Instructions Table of Contents Provided for reference only and may differ from Your specific model. Contact your SnapperDealer if you have questions IntroductionPRE-START Check List Starting & Operation 2.2.1. Engine & BladeHandle Height Adjustment Cutting Height AdjustmentStarting & Operation Propelling Mower Self Propelled Models OnlyRecycling Operation On NextBAG Removing and Dumping Grass Catcher Slide Closure TypeInstall Slide Discharge Deflector Slot Under NUT Maintenance Service After First 5 Hours 3.2.1. Change Engine OILService Annually Storage ProcedureCheck Mower Blade Check Engine Drive BeltBlade Sharpening Mower Blade Replacement Standard Blade Wear Limit1.A. Ninja Blade Wear Limit Wheel Drive Control Adjustment Driven and Drive Disc Service Cleaning Drive Disc & Driven DiscDrive Spring Repair/Replacement Driven Disc AdjustmentReplacing Rubber Driven Disc Driven Disc Assembly Install NEW Snap Rings Belt Service Engine Drive Belt Replacement Stretch Type BeltsPulley Position Battery Service NEW Battery Preparation 1. Remove battery from cartonBattery Testing Battery Service 1. Remove batteryProblem Probable Cause Corrective ActionService Performed Each MAINTENANCE/REPLACEMENT Parts100 USE HRS SeasonYear Limited Warranty Disclaimer of WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Page Page Steel Deck Walk Behind Mowers Type ‘M’ Series
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