Briggs & Stratton Complete Guide to Replacement Hydraulic Pump Drive Belt for Lawnmowers

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Troubleshooting, Adjustment & Service

HYDRAULIC PUMP DRIVE BELT REPLACEMENT

1.Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, engage the parking brake, turn off the engine, and remove the ignition key.

2.Remove the PTO drive belt (see MOWER BELT REPLACEMENT for removal instructions).

3.Remove the hardware that secures the clutch anchor pad to the PTO clutch.

4.Loosen the nut towards the front of the machine on the spring anchor hook (G, Figure 36) to release the majority of the belt tension. Use caution and remove the nut to completely release the tension.

5.Remove the old belt and replace it with the new one. Make sure the V-side of the belt runs in the grooves of the crankshaft pulley and pump pulleys (B & C).

6.Reinstall the anchor hook (G) into the anchor tab and loosely fasten the nut. Adjust the anchor hook until a measurement of 8-3/8” (21,2 cm) is achieved from the outside if the spring hooks. Tighten nut.

7.Reinstall the clutch anchor pad to the PTO clutch and secure with the hardware previously removed.

8.Reinstall the PTO drive belt.

	B
	D	A
8 3/8”	E
(21,2 cm)
C		C
C
	F	G

Figure 36. Hydraulic Pump Drive Belt Replacement

A.Pump Drive Belt

B.Crankshaft Pulley

C.Pump Pulley

D.Idler Pulley

E.Idler Arm

F.Spring

G.Spring Anchor Hook

Troubleshooting

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Contents Description Briggs & Stratton Yard Power Products GroupModel Number Date Purchased Table of Contents Operating Safety Slope Operation Retaining Walls, Drop Offs, and Water Fuel and Maintenance Training OperationPreparation Slope Operation Towed Equipment RIDE-ON UnitsChildren EmissionsMaintenance and Storage Service and MaintenanceSafe Handling of Gasoline Roll BAR Instructions Operational WarningsInspection and Maintenance of the Roll BAR Seat Belt Identification Numbers IdentificationSafety Decals Safety Interlock System Safety IconsNorth American Safety Icons Operational Safety ChecksSeat Adjustment Lever Ignition SwitchControl Functions Ground Speed LeversPTO Power Take Off Switch Hour Meter / Maintenance ReminderParking Brake Throttle ControlGeneral Operating Safety Checks Before StartingStopping the Rider Starting the EnginePushing the Rider by Hand Zero Turn Driving Practice Basic DrivingSmooth Travel Forward Travel PracticePractice Turning Around a Corner Practice Turning In Place Advanced DrivingExecuting an End-Of-Row Zero Turn Mowing Mowing RecommendationsHeight of Grass Tall Grass Requires Incremental CuttingWhen and How Often to Mow Mowing MethodsMowing Patterns Proper Broadcast MowingAttaching a Trailer Proper MulchingStorage Starting After Long Term StorageTemporary Storage 30 Days Or Less Long Term Storage Longer Than 30 DaysMaintenance Schedule Safety ItemsRider Maintenance Engine MaintenanceEngine Maintenance Check Tire PressuresChecking / Adding Fuel Fuel FilterLubrication GreaseOil Lubricating the Front CastersBattery Maintenance Cleaning the Battery and CablesCheck Hydraulic OIL Level Change Hydraulic OIL FilterServicing the Mower Blades Removing the BladeTroubleshooting Chart Troubleshooting the RiderTroubleshooting the Mower Rider TroubleshootingTroubleshooting Common Cutting Problems StreakingGround Speed Control Lever Adjustment Seat AdjustmentSpeed Balancing Adjustment Parking Brake Adjustment Parking Brake Adjustment Brake Spring Adjustment NutRear Suspension Adjustment To adjust the spring pre-load RETURN-TO-NEUTRAL Adjustment AdjustmentNeutral Adjustment Mowing Height AdjustmentDeck Leveling Adjustment Check Lift Rod TimingHydraulic Pump Drive Belt Replacement Mower Belt Replacement PRY Belts Over PulleysBattery Service Checking Battery VoltageCharging a Completely Discharged Battery Jump Starting With Auxiliary Booster BatteryThis HOOK-UP for Negative Ground Vehicles Make Certain Vehicles do not TouchDimensions Engine TransmissionsChassis HP Briggs & Stratton HydroGear PG-3H / HGM-12CFerris Limited Warranty Engine Belts and BladesHP Briggs & Stratton Tractor