Snapper 2167520B (7800428) Engine Drive Belt Replacement Stretch Type Belts - Continued

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Engine Drive Belt Replacement (Stretch Type Belts - Continued)

Maintenance (Continued)

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.

Engine Drive Belt Replacement (Stretch Type Belts - Continued)

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

 

“Driven Disc Replacement” for driven disc removal

 

procedure.

4.

Drain the fuel tank before tipping the mower. Do not tilt

 

the mower with the spark plug or carburetor down. Tilt

 

the mower up on its rear wheels and remove the blade

 

and blade hub. Assistance from another person may be

 

necessary to hold the mower in the tilted position.

5.

Hold the slotted end of the drive disc bolt (B, Figure 33)

 

with a screwdriver and remove the nut (G) and internal

 

tooth lock washer (F).

6.

Remove the belt cover, located under the deck.

7.

Lift the drive disc (A) up and remove the worn belt.

8.

Loop one end of the new belt over the engine pulley and

 

insert the other end through the slot in the deck.

9.

Loop the belt around the pulley on the bottom of the

 

drive disc.

A

B

C

D

E

AF

G

Figure 33: Removing the drive disc

Transmission Poly-V Belt Replacement

1.Remove the driven disc. Refer to the Section entitled “Replacing Driven Disc Rubber Ring”.

2.Note the routing of the old belt around the three pulleys before removing it.

3.Place the new Poly-V Belt (A, Figure 34) over the end of the hex shaft (B) and onto the drive pulley (C).

4.Work the belt onto the top of the idler pulley (D).

5.Twist the belt sideways and pull it upward between the differential bracket (E) and driven pulley (F) and then down into the pulley groove. Make sure the Poly-V Belt is above the belt guide (G).

10. Reinstall the 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 bushing must fit into the bracket slot.

11.Reinstall the belt cover and tighten the bolts securely.

12.Reinstall the blade hub and cutter blade. Recommended torque for the blade cap screw is 40 ft. lbs.

C

B

D

G

E

A

F

Figure 34: Poly-v belt routing

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Contents 21” STEEL DECK WALK MOWERS SERIES Safety Instructions & Operators Manual forModels RP217020BDV 7800424 RP2187520BV RP2187520BVE 7800427 2167520BPRODUCT REGISTRATION Date of Purchase Retailer Retailers Phone Number EquipmentEngine Snapper at P.O. Box 1379, McDonough, GeorgiaTable of Contents Operator SafetyFeatures and Controls Operation MaintenanceImportant Operator Safety Instructions Protection for ChildrenSlope Operation PreparationImportant Operator Safety Instructions Continued Maintenance and StorageSafe Handling of Gasoline Continued From Previous Page OperationFeatures and Controls Features and ControlsOperation Pre-Start Check ListStarting and Operation Engine and Blade Briggs Quantum and Intek Series EnginesHandle Height Adjustment Operation ContinuedStopping Propelling the Mower Self-Propelled Models OnlyCutting Height Adjustment Recycling OperationRemoving the Recycling Cover Figure 7 Adjusting cutting heightInstalling the Discharge Deflector Installing the Grass Bag AdapterFigure 10 Installing the discharge deflector Figure 11 Installing the grass bag adapterInstalling the Recycling Plug Installing the Grass BagIMPORTANT Install the grass bag as a safeguard Figure 12 Installing the recycling plugMaintenance Maintenance - IntroductionService - After First 5 Hours Check Grease Level in TransmissionMaintenance Continued Service - PeriodicStorage Procedure Check Mower BladeMower Blade Replacement Standard Blade Wear LimitNinja Blade Wear Limit Blade SharpeningBlade Sharpening Continued Wheel Drive Control Adjustment Self-Propelled Models OnlyFigure 22 Wheel drive control adjustment Figure 21 Sharpening the mower bladeDriven and Drive Disc Service Cleaning Drive Disc & Driven DiscDrive Spring Repair/Replacement Driven Disc AdjustmentDriven Disc Adjustment Continued Driven Disc ReplacementFigure 26 Adjusting the driven disc Figure 27 Proper driven disc adjustmentDriven Disc Replacement Continued Driven Disc Bearing ReplacementFigure 29 Removing the driven disc assembly Figure 30 Replacing the driven discBelt Service Engine Drive Belt Replacement Stretch Type BeltsReplacing the Bearing On the Pulley End Of the Hex Shaft Figure 32 Engine drive belt routingEngine Drive Belt Replacement Stretch Type Belts - Continued Transmission Poly-V Belt ReplacementA B C D E F G Figure 33 Removing the drive discBattery Service New Battery PreparationBattery Service Battery StorageService Schedule Maintenance/Replacement PartsCORRECTIVE ACTION TroubleshootingPROBABLE CAUSE Warranties 2 YEAR LIMITED WARRANTYDISCLAIMER OF WARRANTY Page Page Page Product Specifications Common Service PartsPart Number Snapper Products