Snapper FRP2167517BV important safety instructions Pulley Position

Page 18

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.

4.4.1.Engine Drive Belt Replacement (Stretch Type Belts)

(Continued From Previous Page)

4.4.2.Transmission Poly-V Belt Replacement 1. Remove the driven disc. Refer to Section on “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 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-V Belt is above belt guide. See Figure 4.17.

IMPORTANT: Drain fuel tank before tipping mower. DO NOT tip machine with carburetor or spark plug down. Oil from crankcase will saturate the air filter and cause the

DRIVE

IDLER

PULLEY DIFFERENTIAL BRACKET

engine to be hard to start or not start at all. If contamination does occur, the air filter will have to be replaced.

3.Remove the driven disc. Refer to Section “Replacing Rubber Driven Disc” 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 4.16.

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

PULLEY POSITION

PULLEYPOLY-V

BELT

HEX SHAFT

BELT GUIDE

DRIVEN

 

PULLEY

ROUTING OF POLY-V BELT

FIGURE 4.17

SLOT IN END

OF DRIVE DISC

BOLT

DECK BRACKET (PARTIALLY SHOWN)

DRIVE DISC

BUSHING

BOLT RETAINER

LOCK WASHER

NUT

FIGURE 4.16

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Contents Engine Designation Series Designation Engine Horse Power Model Number ExplanationModel Designation SELF-PROPELLED Cutting Width Important Safety Instructions Operation Table of Contents Introduction NomenclaturePRE-START Check List Starting & Operation 2.2.1. Engine & Blade Primer ModelsPropelling Mower Cutting Height AdjustmentHandle Height Adjustment Self Propelled Models OnlyAdjusting Front Deck Baffle Installation of Grass Catcher Optional AccessoryRecycling Operation Front Edge Deflector Under NUT Remove Nuts Service After First 5 Hours 3.2.1. Change Engine OIL On NextCheck Mower Blade Service AnnuallyStorage Procedure Check Engine Drive BeltMower Blade Replacement 4.1.1. Standard Blade Wear Limit Blade Sharpening1.A. Ninja Blade Wear Limit Wheel Drive Control Adjustment Cleaning Drive Disc & Driven Disc Driven and Drive Disc ServiceDriven Disc Adjustment Drive Spring Repair/ReplacementReplacing Rubber Driven Disc Drive Disc Assembly Install NEW Driven Disc Snap Rings Belt Service Engine Drive Belt Replacement Stretch Type BeltsPulley Position Troubleshooting Problem Probable Cause Corrective ActionMAINTENANCE/REPLACEMENT Parts Service Performed EachClean Sponge Element Engine Manual 100Year Limited Warranty Disclaimer of WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Page Page Page Steel Deck Walk Behind Mowers Series
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