12.8.4. Replacing the cartridge in high pressure filter
(1)
High pressure filter
(2)
Optical indicator
(3)
Cartridge
WARNING
Dirt will damage the hydraulic system
NOTE
DO NOT clean the filter cartridge.
When clogging indicator turns red or filter time is reached (which ever is the
sooner), the cartridge must be replaced.
If indicator is not fitted, replace the
cartridge periodically as recommended by Hiab.
1.
Switch off hydraulic system. Release filter of pressure.
2.
Clean the immediate surrounding area of the filter.
3.
Remove the oil drain plug. Collect oil in a suitable
container.
4.
Unscrew the filter housing. Collect oil in a suitable
container and clean or dispose of it in accordance with
environmental regulations.
5.
Remove the filter cartridge. Examine the surface of the
cartridge for dirt residue and larger particles; these can
indicate damage to the components.
6.
Clean the filter housing.
7.
Examine the filter housing and head segment,
especially sealing surfaces and thread, for mechanical
damage.
8.
Always replace the O-ring of the filter housing.
9.
Oil the threads and sealing surfaces on the filter
housing and head segment, as well as the O-ring.
10. Replace the filter cartridge with the new one and screw
carefully.
11. Fully tighten the filter housing. Then, unscrew it 1/4-
turn back.
12. Screw the oil drain plug.
13. Switch on hydraulic system and check the filter for leakage.
Maintenance and Service
Jonsered 1188S CE
85
