13
Bleeding Hydraulic System
1. Ensure top cylinder cover(s) are removed.
2. Ensure the cylinder(s) is positioned with brackets square to the carriage. Refer to Diagrams 17 & 18
3. Raise the hoist 50mm and then lower hoist to ground but continue to hold down release lever for a
further 90 seconds to clear air from system.
4. Check oil level, and;
a. Top up oil if required, or;
b. Change oil if replacing cylinder or power pack components.
5. Run hoist through 3 full cycles unloaded each time holding down the release lever for a further 30
seconds after lowering to ground.
6. Check cylinder oil line connections for leaks. If a leak is found, retighten fitting, wipe clean and
repeat steps 1-6
7. Refit top cylinder cover(s) and check operation by running the hoist through 3 cycles loaded with a
vehicle.
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