JLG X14JH Operator Manual - Manual (Page 82)

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4.5 CHECKING HYDRAULIC OIL LEVEL
The check is done when the platform (PLE) and the stabilisers are at rest on flat ground.
Check that the oil level is about half the inspection hole A.
If not, top up through filling tap B. See par.3.2 for oil specifications.
4.6 CHECKING LEAKS FROM THE HYDRAULIC SYSTEM
Check visibly all the flexible tubes, the pipefittings and all the other components of the
hydraulic system, for any leaks.
Usually, you can eliminate the leaks on the tubes by tightening properly the pipefittings
You cannot eliminate the leaks in the sealing areas with gaskets (o‑rings, sealing rings etc) by
single tightening as the gasket leaks because it is damaged or hardened.
You can only restore the sealing by replacing the gasket.
4.7 CHECKING FILTER CARTRIDGE
BOOM LIFT MODELS X14JH
JLG
X14JHR0220311
A
B
A