Manitowoc GHC75 Maintenance Instructions Manual page 100

Hydraulic system
Change HydroClean or auxiliary control filter filter element
Change the filter element for the
auxiliary control filter
L WARNING
100
Thoroughly clean the filter cover and the screw thread on the
10.
filter casing.
Check the O-ring in the filter cover and replace if necessary.
11.
12. Insert new filter element into the filter casing.
Damp the screw thread and the O-ring in the filter cover with
13.
clean hydraulic oil.
Screw on the filter cover until the stop and unscrew a quarter
14.
turn.
Start the diesel engine.
15.
Slightly loosen the socket head bolt until bleeder opening is
16.
exposed.
ð As soon as hydraulic oil runs out, securely screw in the
socket head bolt.
17. Switch off the diesel engine
Set the cover on and screw it in.
18.
Check the GROVE HydroClean Filter for leaks.
19.
Dispose of the used filter element as per regulations.
20.
Incorrect handling of the auxiliary control filter can cause
damage to the hydraulic system and/or injuries
– The operator must prevent the build-up of air pockets
through suitable measure (e. g. bleeding).
– For all works on the pressure equipment, it must be
ensured that the filter casing is pressure-free.
– The auxiliary control filter may not be altered due to
sweating, drilling, violent opening, etc.
– Hot run-off oil is to be expected during all works on the
filter, which can lead to injuries and scalding due to high
pressure and high temperature.
– Observe legal accident protection regulations, safety
agreements, and safety information sheets for liquids.
– Only touch the auxiliary control filter when it is cool.
– Ensure the utmost cleanliness when replacing a filter ele-
ment.
Park the machine.
1.
Secure the machine against being restarted without authori-
2.
zation.
Open the right service door.
3.
Open the aeration filter on the hydraulic oil tank.
4.
Close the aeration filter.
5.
Unscrew the filter cover.
6.
Pull the filter element out of the filter casing.
7.
Preliminary
GHC75 Telescopic crane
Crane Care
21.12.2017