Section 6
Hydraulic System
20479283
8-2009/Rev 01
6-5
4. Disassemble the compensators one at a time by first removing the hexagon sealing cap.
5. Loosen the lock nut, and then remove the plug nut.
6. Disassemble the plug by removing the spring collar, springs, spring cup and spool.
7. Clean the housing and all components with clean fluid and carefully dry with air.
8. Check and clean the small internal passages in the spools.
9. Check and clean the orifices in both spools.
10. Assemble in the reverse order, ensuring that the screw slot on the orifice is aligned with
the long axis of the body.
When the compensators are removed, the machine loses adjustment. The
compensators must be reset before operation can begin.
11. Start the machine and select the low pressure operating mode on the display panel.
12. Deadhead the machine.
PLUG
HIGH LIMIT COMPENSATOR
ORIFICE
O-RING
LOW LIMIT COMPENSATOR
O-RING
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