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Section 1 Maintenance
SCC1000C Crawler Crane — Maintenance Manual
10�1�2 Hydraulic Oil Tank - Replacing Return Oil
Filter Element
Repeat this procedure for all ltering devices:
1. Lower the suspended load down to ground and
shut off the engine.
2. Unload the system.
3. Unscrew the Big Red Cap on the return oil lter
and pull the whole element of return oil filter
out of the tank. (Return oil lter is a self-sealing
design, and the oil cannot flow out after it has
been removed.)
4. Replace the lter element.
5. Install and tighten the lter cap. Take care not to
tip the element. The tightening torque for the
shell mounting bolt is 50N•m(36.88ft·lb).
CAUTION
Cycle of replacement: After repairing the
hydraulic system, the ltering device should
be checked after 250 working hours for the
rst time, after that, the lter element should
be replaced every 500 working hours�
If the sealing gasket is damaged, it should
be replaced�
10�1�3 Hydraulic Oil Tank - Cleaning Oil Suction
Filter
-- Repeat this procedure for all ltering devices.
-- Cleaning process of oil suction lter:
1. Oil suction lter is installed inside the hydraulic
oil tank. Remove the ventilation equipment and
oil suction lter can be seen.
2. Take out the oil suction lter from the ventilation
equipment. Filter element of oil suction lter can
be reused after being cleaned.
3. Clean off the metallic powder on the handle
when cleaning the lter element.
Position of Rexroth Oil Suction Filter
Oil drain lter
Screw
Oil suction lter
Oil suction pipe
contact ange
Main oil suction
pipe
T103 9003
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