Y-4
Y-4
Air Bleeding Procedure
34
WY05-5000E
4.2 Winch motor
[NOTICE]
Do not apply any load to the motor before
completing air bleeding.
1. Pour the hydraulic oil from the drain port until the
oil flows out. (After connecting all pipes, pour oil
just before starting the motor.)
4.3 Air conditioner motor
Before operating the air conditioner motor, pour
the hydraulic oil from the drain port until the oil
flows out.
5. Winch counterbalance valve
(main and auxiliary)
[NOTICE]
Bleed the main and auxiliary winch circuits by
following the procedures below. The procedures are
common to the both circuits.
1. Engine speed: idling (670 min
-1
).
2. Lever operation: Repeat the slow hoisting up and
slow hoisting down operations.
3. Bleeding will be completed when the oil flowing
out of the plug hole contains no bubbles.
Содержание GR-1600XL
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