Briggs & Stratton 276535, 271172, 270962 Disassemble Gear Reduction, Assemble Gear Reduction

GEAR REDUCTION

Disassemble Gear Reduction Inspect Gear Reduction Parts

1.Note orientation of gear reduction assembly on engine. Place an oil collection pan beneath the assembly.

2.Remove oil vent plug (C, Figure 17) and set aside.

3.Loosen four cap screws (D) that secure the gear case cover assembly. Pull cover (A) away from gear case (B) and allow oil to drain into pan.

4.After gear case is drained, remove screws and cover.

1.Inspect seals for cracks, tears, or hardening. Replace seals if necessary.

2.Inspect crankshaft pinion gear and drive shaft gear for worn, cracked, or chipped teeth. Replace if damaged or worn.

3.Inspect gear case and cover for cracks, damaged mounting, or damaged gasket surfaces. Replace if damaged.

Assemble Gear Reduction

1.If replacing seals, install with sealing lip

(A, Figure 19) toward engine side of gear case (B) or cover (C) until seal is flush with gear case or cover.

Figure 17

5.Remove drive shaft assembly (A, Figure 18) from gear case (B).

6.Bend down two screw locks (C), if equipped. Remove four cap screws. Slide gear case off engine.

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Figure 18

Figure 19

NOTE: The gear reduction assembly must be installed in the same orientation as noted prior to removal.

1.Insert two long screws and screw locks (A, Figure 20), if equipped, with tabs against the ribs of gear case.

2.Install new gasket, if used, on outside of gear case.

3.Slide gear case over crankshaft and against crankcase cover.

4.Hand tighten two long screws inside gear case.

5.Install and hand tighten two short screws with lock washers to the outside of gear case (B).

6.Torque the four screws to values listed in Section 12 - Engine Specifications.

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