Snapper N2167520B (7800437), 2167520B (7800428) Blade Sharpening Continued, Maintenance Continued

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Blade Sharpening (Continued)

Maintenance (Continued)

!

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.

Blade Sharpening (Continued)

4.Sharpen the blade on a grinding wheel at an angle of 22 to 28 degrees (B, Figure 21). DO NOT sharpen the blade beyond the original cutting edge (A).

Do not sharpen beyond original cutting edge

22-280

G

D

F

D

A

B

C

E

A

C

B

End view of blade assembly

A

Figure 21: Sharpening the mower blade

5.Check blade for balance. If necessary, correct balance by grinding heavy end of blade.

6.Reinstall blade (B, Figure 20). Note the correct assembly order:

(A)Blade hub

(B)Blade

(C)Blade flange (facing up)

(D)Cone washer (concave side up)

(E)Capscrew

7.Check torque of blade retaining cap screw. Recommended torque should be 40 ft. lbs.

Figure 22: Wheel drive control adjustment

2.To adjust, unhook the upper spring (D) from the cable eye and rotate the spring in the direction required to extend or shorten the spring length.

3.Rehook the upper spring to the cable eye and check clearance. Repeat the procedure if required.

Note: The vinyl spring cover (B) should be kept over the spring at all times except for adjustments.

4.If the wheel drive control 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.

Maintenance

Wheel Drive Control Adjustment (Self-Propelled Models Only)

1.The wheel drive control is properly adjusted when there is 1/16” to 1/8” clearance (G, Figure 22) between the inside of the spring hook (E) and the inside of the clutch cable eye (C) with the wheel drive control released.

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Contents RP217020BDV 7800424 RP2187520BV RP2187520BVE 7800427 2167520B 21” STEEL DECK WALK MOWERS SERIESSafety Instructions & Operators Manual for ModelsSnapper at P.O. Box 1379, McDonough, Georgia PRODUCT REGISTRATIONDate of Purchase Retailer Retailers Phone Number Equipment EngineMaintenance Table of ContentsOperator Safety Features and Controls OperationPreparation Important Operator Safety InstructionsProtection for Children Slope OperationOperation Important Operator Safety Instructions ContinuedMaintenance and Storage Safe Handling of Gasoline Continued From Previous PageFeatures and Controls Features and ControlsEngine and Blade Briggs Quantum and Intek Series Engines OperationPre-Start Check List Starting and OperationPropelling the Mower Self-Propelled Models Only Handle Height AdjustmentOperation Continued StoppingFigure 7 Adjusting cutting height Cutting Height AdjustmentRecycling Operation Removing the Recycling CoverFigure 11 Installing the grass bag adapter Installing the Discharge DeflectorInstalling the Grass Bag Adapter Figure 10 Installing the discharge deflectorFigure 12 Installing the recycling plug Installing the Recycling PlugInstalling the Grass Bag IMPORTANT Install the grass bag as a safeguardCheck Grease Level in Transmission MaintenanceMaintenance - Introduction Service - After First 5 HoursCheck Mower Blade Maintenance ContinuedService - Periodic Storage ProcedureBlade Sharpening Mower Blade ReplacementStandard Blade Wear Limit Ninja Blade Wear LimitFigure 21 Sharpening the mower blade Blade Sharpening ContinuedWheel Drive Control Adjustment Self-Propelled Models Only Figure 22 Wheel drive control adjustmentDriven Disc Adjustment Driven and Drive Disc ServiceCleaning Drive Disc & Driven Disc Drive Spring Repair/ReplacementFigure 27 Proper driven disc adjustment Driven Disc Adjustment ContinuedDriven Disc Replacement Figure 26 Adjusting the driven discFigure 30 Replacing the driven disc Driven Disc Replacement ContinuedDriven Disc Bearing Replacement Figure 29 Removing the driven disc assemblyFigure 32 Engine drive belt routing Belt ServiceEngine Drive Belt Replacement Stretch Type Belts Replacing the Bearing On the Pulley End Of the Hex ShaftFigure 33 Removing the drive disc Engine Drive Belt Replacement Stretch Type Belts - ContinuedTransmission Poly-V Belt Replacement A B C D E F GBattery Storage Battery ServiceNew Battery Preparation Battery ServiceMaintenance/Replacement Parts Service ScheduleTroubleshooting PROBABLE CAUSECORRECTIVE ACTION 2 YEAR LIMITED WARRANTY DISCLAIMER OF WARRANTYWarranties Page Page Page Snapper Products Product SpecificationsCommon Service Parts Part Number