Change Hydraulic Hoses - Manitowoc GHC75 Maintenance Instructions Manual

Hydraulic system

Change hydraulic hoses

10.6 Change hydraulic hoses
Personnel
Service Technician
L WARNING
L WARNING
94
Pull the return filter out of the hydraulic oil tank.
10.
Check the magnets in the filter cover for chips.
11.
Thoroughly clean the filter cover and magnets.
12.
Check the O-ring in the filter cover and replace if necessary.
13.
Insert and secure a new return filter into the hydraulic oil
14.
tank.
Damp the O-ring in the filter cover with clean hydraulic oil.
15.
Insert the filter cover into the filter head.
16.
Screw in the four hex screws evenly in cross-form.
17.
Screw in the middle hex screw on the filter cover.
18.
Screw on the aeration filter.
19.
Interval
Particular interval: every 12000 OH / 6 years
Risk of severe burns from hot parts and hydraulic oil.
– Avoid contact with hot parts.
– Wear protective clothing and protective gloves.
– Shut down the leaking hydraulic system immediately.
Contact with hot hydraulic system parts or hot hydraulic oil
can cause severe burns.
Risk of serious injury from pressurized hydraulic oil!
– Before working on the hydraulic system, remove pressure
from the hydraulic system.
Opening the hydraulic system can cause pressurized
hydraulic oil to eject and result in serious injury.
Protective equipment:
Lower the stick and the boom.
Park the machine.
Depressurize the hydraulic system.
F Section Depressurizing the hydraulic system.
Preliminary
GHC75 Telescopic crane
Protective clothing
n
Protective gloves
n
Safety goggles
n
Crane Care
21.12.2017