8.
Place a container for drain oil under drain
plug (1) on the bottom of the hydraulic oil
tank.
9.
Loosen drain plug (1) on the bottom of
hydraulic oil tank slowly and drain
hydraulic oil completely.
10. Clean drain plug (1) and install it in place.
Tightening Torque: 98 to 118 N
・
m (72.6
to 87.4 lbf
・
ft)
11. Refill hydraulic oil through fuel inlet (F) on
the top of the hydraulic oil tank.
Pour the oil while checking the oil level
with level gauge (G).
12. Attach filler port cover (4) with bolt (3).
Tightening Torque: 20.7 to 25.3 N
・
m (15.3
to 18.7 lbf
・
ft)
13. Start the engine, run it at low idle for
several (5 to 7) minutes. After that,
operate each cylinder extension and
retraction and swing the machine to return
it to the hydraulic oil inspection position.
Stop the engine and check the oil level,
and if it is low, add the hydraulic oil.
4
[
4. INSPECTION AND MAINTENANCE
]
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