Briggs & Stratton 7800920-00 manual Engine Adjustments and Repairs, Rider Adjustments And Repairs

Page 30

Maintenance

!

WARNING

!

DO NOT attempt any adjustments, maintenance, service or repairs with the engine running. STOP engine. STOP blade. Engage parking brake. Remove key. Remove spark plug wire from spark plug and secure away from plug. Engine and components are HOT. Avoid serious burns, allow all parts to cool before working on machine.

Engine Adjustments and Repairs

Engine adjustments and/or repairs should be performed by an authorized dealer.

Rider Adjustments And Repairs

How To Sharpen The Mower Blade

1.Raise the mower deck to the highest cutting position. Refer to “How To Adjust The Cutting Height”.

2.Remove the bolts (B, Figure 35), washers (C) and nuts (D) securing the mower blade (A) to the spindle.

3.Inspect the condition of the blade (Figure 34).

4.If the blade is in good condition, sharpen at 22 to 28 degrees (B, Figure 36). DO NOT sharpen beyond exist- ing cutting edge (A).

5.Check blade balance after sharpening. If necessary, correct blade balance by grinding the heavy end of the blade.

6.Reinstall the blade. Torque the blade mounting bolts to the recommended range of 30 to 40 ft. lbs.

The following adjustment and repair items can be made by

D

the owner. However, it is recommended that they be made

by an authorized dealer.

C

How To Inspect The Mower Blade

 

1. Inspect the blade frequently for signs of excessive wear

 

 

 

 

or damage (Figure 34):

Reproduction

 

 

(A) New blade;

 

 

 

 

 

 

 

 

 

 

(B) Wear limit (notch starts);

 

 

 

 

 

 

 

 

 

(C) Dangerous condition - do not use mower!

 

 

 

 

 

 

Replace with new blade. Contact your authorized deal-

 

 

 

 

er.

 

 

 

for

 

 

B

 

 

 

 

 

 

A

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 35: Removing the mower blade

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 34: Mower blade wear limits

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

!

WARNING

 

 

 

 

!

 

 

 

Wear heavy leather gloves when handling or working

 

 

 

Figure 36: Sharpening the mower blade

around cutting blades. Blades are extremely sharp and

 

 

 

 

can cause severe injury. DO NOT use a cutting blade that

How To Adjust The Mower Blade

shows signs of excessive wear or damage.

 

 

 

 

 

 

 

 

 

 

 

Contact an authorized dealer for assistance.

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Contents Reproduction Not ForNot Table of Contents Read the Manual Operator Safety Operating SafetyNot Orf ChildrenC il renReproductioReversenOperator Safety Slope Operation Fuel and MaintenanceReproduction Thrown ObjectsMoving Parts Operator Safety Protection Against Tip-Overs/Roll-OversProtection for Children Preparation OperationSafe Handling of Gasoline Maintenance TowingFor Safety and Instructional Decals Reproduction ForExplanation of Safety Decals Explanation of Instructional DecalsFor Not Features and Controls Features and ControlsBefore Starting How To Check/Add OilOperation Before adding or checking the oilHow To Adjust The Operator Seat How To Add FuelFuel Recommendations How To Start The Engine How To Engage The Mower Blade ForwardEngine Mower BladeTransmission How To Set The Parking Brake Reverse Mowing Option RMO DeflectorHow To Push The Unit By Hand Repr OductionTowing Implements Maintenance Maintanance ChartEmissions Control How To Change The Oil Filter if EquippedFlat Air Filter How To Service The Air FilterNotB Oval Air FilterRider Maintenance Basic How To Check The Mower Blade Rider Maintenance AdvancedHow To Service The Fuel Filter How To Check The Mower Drive BeltsHow To Lubricate Mower Blade Spindle How To Lubricate Grease FittingsHow To Lubricate Differential / Chain How To Lubricate Mower Deck LinkageHow To Install The Battery Battery Service Sealed Lead Acid TypeHow To Remove The Battery How To Charge The Battery How To Store The BatteryBattery Service Valve Regulated Type Battery valve regulated typeStorage Fuel SystemBriggs & Stratton Fresh Start available in a drip con How To Sharpen The Mower Blade Engine Adjustments and RepairsRider Adjustments And Repairs How To Inspect The Mower BladeRepair How To Level The Mower DeckReproduction B Side-To-Side LevelingManual Drive Models How To Adjust The Brake / Parking BrakeHow To Adjust Mower Blade Belt Tension Hydro Drive ModelsHow To Adjust The Blade Brake How To Remove The Deck Cover Troubleshooting Problem Probable Cause Corrective ActionTroubleshooting Limited Warranty WarrantiesBriggs & Stratton Emissions Control Warranty Provisions Page Page 4.5 / 1,6 7,2 0 / 0 8,0