Briggs & Stratton FB13250BS manual Traction Drive Belt Adjustment, For S/N 071601076 up

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TRACTION DRIVE BELT

ADJUSTMENT

If the mower drive is not functioning properly, the drive belt may need to be adjusted;

For S/N 0 - 071601075

The traction drive belt tension is adjusted by a bolt and screw system. To adjust belt tension:

1.Loosen traction drive idler pulley lock nut (D, Figure 19).

2.Loosen or tighten traction drive idler pulley adjust- ment nut (E, Figure 19) as required. Belt deflection should be approximately 1/8" halfway between the engine pulley (C, Figure 21) and idler pulley (D) with 10 lbs. of pressure on the belt.

3.Tighten idler pulley lock nut.

4.Test mower and repeat adjustment as required.

For S/N 071601076 - up

The traction drive belt tension is adjusted through spring tension. To adjust spring tension:

1.Tighten or loosen nut (A, Figure 22) to achieve prop- er belt tension. Belt deflection should be approxi- mately 1/8" halfway between the engine pulley (C, Figure 21) and idler pulley (D).

2.Tighten adjustment nut of the tension spring until expanded spring length is 6-3/8" maximum. For mea- surement purposes, the spring can be reached through the access pan beneath the engine.

Troubleshooting, Adjustment, & Service

D

A

B

1/8” Max.

C

Figure 21 - Traction Drive Belt Adjustment

A.Transmission Pulley

B.Drive Belt

C.Engine Pulley

D.Idler Pulley

Figure 22 - Traction Drive Belt Adjustment A. Adjustment Nut

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Contents OPERATOR’S Manual Mfg. No Model No DescriptionTable of Contents Statement of Usage Safe Operation Practices for WALK-BEHIND MowersGeneral Operation Safety Rules and Information ServiceSlope Operation ChildrenSafety Rules & Information Safety DecalsDecal Warning Decal Engine Throttle ControlDecal Danger Dismemberment Decal Danger Flying ObjectsFeatures & Controls Control FunctionsStarting the Engine Engaging the TransmissionBefore Starting Engine To Start EngineTo Propel Unit In Reverse Operating the MowerTo Propel Unit Forward ENGAGING/DISENGAGING the Cutting Blade To Disengage Cutting BladeTo Adjust Cutting Height StorageRegular Maintenance Service Interval Every 25 HoursLubrication Lubricate Rear Axle ShaftsRegular Maintenance Battery ServiceCleaning the Battery and Cables 9HP Models Cleaning the Battery and Cables All Models Except 9HPServicing the Mower Blades Removing the BladeTroubleshooting Adjustment, & Service TroubleshootingTroubleshooting, Adjustment & Service TroubleshootingTroubleshooting, Adjustment, & Service Travel Control AdjustmentSerial Number Serial Number 012003001-UpBlade Clutch Adjustment Shut off engine before attempting this adjustment procedureBlade Brake Adjustment Mower Belt AdjustmentFor S/N 071601076 up Traction Drive Belt AdjustmentFor S/N 0 Troubleshooting, Adjustment & Service Mower Belt ReplacementSpecifications Parts & AccessoriesReplacement Parts Maintenance Items
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