MAINTENANCE
Seal , | e- Vent Plug |
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al
Seal | Gearbox gasket |
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Gear Box
Leakage Repair
1.
2.Clean gearbox exterior to remove all foreign material. When opening, use care to prevent foreign material from entering gearbox.
3.To repair horizontal seal, vertical.shaft, or leakage between cover and gearbox, remove vent plug and drain gear lube from box. Re- move leaking seal and replace (refer to Seal Installation). Use care to prevent rolling.seal lip under. Replace gasket between cover and. gearbox.
Seal Installation
Proper seal installation is important. An improperly installed seal will leak and could result in bearing failure.
.1. Clean areas in housing where seal outer diam-
eter seats. Inspect gear shafts. Pay specific attention to areas where seals seat. Check for cracks, grooves, nicks or bumps. Replace housing or shaft if damage cannot be repaired by resurfacingwith emery cloth.
2.Lubricate seal lip and carefully guide over shaft using a blunt tool such as a letter opener. Be careful not to roll seal lip under. Do not use a knife as it will nick and ruin seal.
3.Place seal squarely on housing
4.Carekrlly press seal into housing, preventing distortion to metal seal cage. Seat vertical seal flush with housing and horizontal seal against shoulder in housing.
5.Distortion to seal case or damage to seal lip will cause seal to leak. Remove and replace seals damaged in installation.
6.Check for proper vent plug operation and fill gearbox with 8 oz. of SAE 9OW gear lube.
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