HT 12 Unimog 1.96 27
7.8 Hydraulic oil return filter
Change according to inspection plan, section
7.6
Note
After a larger repair job, following the test
run the filter cartridge must be renewed as
well.
Changing the filter cartridge:
Note
Service and wearing parts for inspections
should be ordered well in advance!
• Stop the engine.
• Loosen the ventilation filter cap (15/1) on the
hydraulic oil tank.
• Close the shut-off valves in the suction and
return lines on the hydraulic oil tank.
• Clean the outside of the return filter.
• Unscrew the filter cartridge (16/1) using a
strap wrench.
Note
Dispose of the filter cartridge
according to regulations !
• Apply a light coat of oil to the seal ring and
tighten according to printed-on instructions.
• Screw on the ventilation filter cap.
• Open shut-off valves.
• Check the tightness of the return filter.
7.9 Ventilation filter of hydraulic oil tank
Change according to inspection plan,
section 7.6
Remove the ventilation filter (15/4) and
replace it by a new one.
Note
Replace the filter, too, if the cap is dirty,
e.g. due to oil mist.
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