145
MAINTENANCE
Every 1000 Hours
8. Remove the split pin and pull out pins (6).
9. Lift out the radiator / oil cooler (b) and
remove it.
10. Remove the plug (1).
11. Remove the return filter (5).
Refer to page 122, “Replacing the
Hydraulic Oil Return Filter.”
12. Loosen the hose clip and remove the
hose (8).
13. Loosen the bolts, and remove the flange
(9).
14. Remove the suction strainer (10) and
clean it.
15. Clean the inside of the hydraulic tank.
16. Install the new return filter.
Refer to page 122, “Replacing the
Hydraulic Oil Return Filter.”
17. Install the suction strainer (10) to the
flange (9).
18. Install the flange (9).
19. Install the hose (8) to the flange (9).
20. Tighten the drain plug (7).
21.
Replenish hydraulic oil up to the middle of
the sight gauge (2) through the port for plug
(1).
22. Tighten the plug (1).
23. Follow the procedure “Bleeding the air”
below to bleed the air from the hydraulic
oil circuit.
24. Set the machine to the hydraulic oil
level inspection position and inspect the
level after the temperature of the oil has
dropped.
Refer to page 119, “Inspecting the
Hydraulic Oil Level and Replenishing.”
Bleeding the air
IMPORTANT: After replacing the hydraulic
oil, bleed the air from the hydraulic circuit
and hydraulic devices. Failure to do so
may damage the hydraulic devices.
Hydraulic pump
< CTL55 / CTL65 >
< CTL75 / CTL85 >
1. Tilt up the ROPS.
2. Remove the plug (1) from the hydraulic
pump.
3. After hydraulic oil overflows from the plug
hole, re-install the plug (1).
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