Labrie TOP SELECT Maintenance Manual page 127

Problem
Noisy pump Cavitation
Air in the hydraulic system
Faulty pump
Overheating pump Faulty pump
Cavitation
Air in the hydraulic system
Contaminated oil
Wrong type of oil
Excessive load
PUMP-RELATED PROBLEMS
Cause
All or any of the following:
- Replace filter (see page 81)
- Clean supply line
- Change hydraulic oil
- Hydraulic oil is too cold
All or any of the following:
- Check for leaks and tighten all fittings
- Fill hydraulic tank
- Bleed hydraulic system
- Check pump and valves for worn gaskets
Repair, adjust or replace
Repair, adjust or replace
All or any of the following:
- Replace filter (see page 81)
- Clean supply line
- Change hydraulic oil
- Hydraulic oil is too cold
All or any of the following:
- Check for leaks and tighten all fittings
- Fill hydraulic tank
- Bleed hydraulic system
- Check pump and valves for worn gaskets
Change filter and oil (see Changing
Hydraulic Oil on page 78 and Replacing
Filter Elements on page 81)
Change filter and oil (see Changing
Hydraulic Oil on page 78 and Replacing
Filter Elements on page 81)
Ensure that the bucket or body is not
overloaded
Troubleshooting 119
Remedy