RELIEVIN G RESIDUAL PRESSURE IN THE HY DR AULIC SYSTE M
127
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Opening the load holding control valves
WARNING
Personal injury hazard.
A ne jet of hydraulic uid under high pressure can
pierce the skin.
►
Seek medical assistance immediately if you
get hydraulic uid in your eyes or on your skin.
Only trained personnel may open the load holding
control valves.
After maintenance/repairs, close the load hold-
ing control valves again and return them to their
original state.
Fig. 59
Reducing residual
pressure
Illustration 1
Illustration 2