Section 7 - Troubleshooting
Page 7-7
Drive Boxes
Symptom Problem Solution
Gearbox Overheating Low on lubricant Fill to the level plug
Improper Lubricant Replace with proper
lubricant.
Trash build-up around the
Gearbox
Remove trash
Gearbox Noisy Low Oil in Gearbox Fill Gearbox with proper
grade of oil
Rough Gears Change Gears. Use
Highline parts
Worn Bearing Replace bearing. Use
Highline parts
Gearbox Output
Shaft Seal Oil Leak
Operating with grass or wire
wrapped on shaft in seal
area
Check seal areas regularly
and clean off material
Worn seal Replace seal. Use Highline
parts
Oil Seal incorrectly installed Replace seal. Use Highline
parts
Oil Seal not sealing in
housing
Replace seal
Shaft surface is rough Replace shaft. Use Highline
parts
Gear case overfilled Drain oil to proper level
Gear case not vented Check that the poppet vent
is clear
Bent or damaged output
shaft and/or bearings
Replace shaft and oil seal
and bearings. Use Highline
parts
Used heat to remove blade
pan causing seal damage
Replace seal. Use Highline
parts
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