Briggs & Stratton 5900640 manual Servicing the Mower Blades, Removing the Blade

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Maintenance

Regular Maintenance

SERVICING THE MOWER BLADES

1.Blades should be sharp and free of nicks and dents. If not, sharpen blades as described in the following steps.

2.To remove blade for sharpening, use a 1” wrench on the flats of the spindle shaft while removing the blade mounting bolt with a 15/16” wrench (Figure 21).

3.Use a file to sharpen blade to fine edge. Remove all nicks and dents in blade edge. If blade is severely damaged, it should be replaced.

4.Balance the blade as shown in Figure 22. Center the blade’s hole on a nail lubricated with a drop of oil. A balanced blade will remain level.

5.Reinstall each blade with the tabs pointing up toward deck as shown in Figure 23. Secure with a bolt and flat washer and torque bolts to 70 ft.lbs. (94 N.m.).

WARNING

Mower blades are sharp. For your personal safety, do not handle mower blades with bare hands. Careless or improper handling of blades may result in serious injury. For your personal safety, blade mounting bolts must each be installed with a flat washer then securely tightened. Torque blade mounting bolts to 70 ft.lbs. (94 N.m.)

Figure 21. Removing the Blade

Nail

Figure 22. Balancing The Blade

Figure 23. Installing The Blade

A.Blade Bolt

B.Flat Washer

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Contents Briggs & Stratton Yard Power Products Group DescriptionModel Number Date Purchased Table of Contents Operating Safety Slope Operation Retaining Walls, Drop Offs, and Water Fuel and Maintenance Operation TrainingPreparation Children Slope OperationTowed Equipment RIDE-ON Units EmissionsService and Maintenance Maintenance and StorageSafe Handling of Gasoline Roll BAR Instructions Operational WarningsInspection and Maintenance of the Roll BAR Seat Belt Identification Numbers IdentificationSafety Decals North American Safety Icons Safety Interlock SystemSafety Icons Operational Safety ChecksControl Functions Seat Adjustment LeverIgnition Switch Ground Speed LeversParking Brake PTO Power Take Off SwitchHour Meter / Maintenance Reminder Throttle ControlGeneral Operating Safety Checks Before StartingStarting the Engine Stopping the RiderPushing the Rider by Hand Smooth Travel Zero Turn Driving PracticeBasic Driving Forward Travel PracticeAdvanced Driving Practice Turning Around a Corner Practice Turning In PlaceExecuting an End-Of-Row Zero Turn Height of Grass MowingMowing Recommendations Tall Grass Requires Incremental CuttingMowing Patterns When and How Often to MowMowing Methods Proper Broadcast MowingAttaching a Trailer Proper MulchingTemporary Storage 30 Days Or Less StorageStarting After Long Term Storage Long Term Storage Longer Than 30 DaysRider Maintenance Maintenance ScheduleSafety Items Engine MaintenanceChecking / Adding Fuel Engine MaintenanceCheck Tire Pressures Fuel FilterOil LubricationGrease Lubricating the Front CastersCheck Hydraulic OIL Level Battery MaintenanceCleaning the Battery and Cables Change Hydraulic OIL FilterServicing the Mower Blades Removing the BladeTroubleshooting Chart Troubleshooting the RiderTroubleshooting the Mower Rider TroubleshootingTroubleshooting Common Cutting Problems StreakingSeat Adjustment Ground Speed Control Lever AdjustmentSpeed Balancing Adjustment Parking Brake Adjustment Parking Brake Adjustment Brake Spring Adjustment NutRear Suspension Adjustment To adjust the spring pre-loadRETURN-TO-NEUTRAL Adjustment AdjustmentNeutral Adjustment Mowing Height AdjustmentDeck Leveling Adjustment Check Lift Rod TimingHydraulic Pump Drive Belt Replacement Mower Belt Replacement PRY Belts Over PulleysCharging a Completely Discharged Battery Battery ServiceChecking Battery Voltage Jump Starting With Auxiliary Booster BatteryThis HOOK-UP for Negative Ground Vehicles Make Certain Vehicles do not TouchChassis DimensionsEngine Transmissions HP Briggs & Stratton HydroGear PG-3H / HGM-12CFerris Limited Warranty HP Briggs & Stratton EngineBelts and Blades Tractor