Checking For Leaks - Manitowoc Grove GMK 4100L-1 Maintenance Manual

8.6.4
G
O
Maintenance manual
GMK 4100L-1

Checking for leaks

•
Start the engine from the crane cab, so that the hydraulic pumps in the
superstructure also start running;
•
When the engine is running, carry out a visual inspection for leaks on the
hydraulic components (tank, pumps, drives, cylinders, control blocks,
valves, pipe and hose lines and connections).
•
If leaks are detected, check the oil level and top up if necessary;
à
Checking the oil level , p. 8 - 31.
Risk of accidents from hydraulic oil spraying out.
Never tighten any leaking connections when the system is under pressure.
Change pipes and hose lines only when the system is depressurised.
Risk of environmental damage due to leaking consumables.
Immediately repair or have leakages in the hydraulic system repaired to
ensure that no hydraulic oil escapes, seeps into the ground or reaches
waterways when the crane is being used.
After hydraulic components have been changed
•
Bleed the hydraulic system;
p. 8 - 44.
If damage cannot be rectified immediately or further damage is likely
•
Notify
Manitowoc Crane Care
crew.
à
Operating Instructions .
à
Establishing the operating conditions ,
or an authorised GROVE dealer or your repair
3 302 364 en
Maintenance work on the superstructure
8.6 Hydraulic system
W
8 - 33