Y-4
Y-4
Air Bleeding Procedure 4.2 Winch motor
4. Hydraulic motor assy
[NOTICE]
4.1 Swing motor
Do not apply any load to the motor before completing air bleeding.
[NOTICE] Do not apply any load to the motor before completing air bleeding.
1. Pour the hydraulic oil through the drain port into the casing until the oil flows out. (After connecting all pipes, pour oil just before starting the motor.)
Bleed the swing motor by following either (1), (2) or (3). (1) Pour the hydraulic oil through the drain port into the casing until the oil flows out.
(2) Perform the right or left swing operation slowly for approx. one minute. (3) Set the swing brake switch to ON. Perform the right or left swing operation and keep the swing circuit hydraulic pressure at approx. 4.9 MPa 2
{50 kgf/cm } (710 psi) for approx. 30 seconds.
4.3 Air conditioner motor Before operating the air conditioner motor, pour the hydraulic oil through the drain port into the casing until the oil flows out.
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WY05-3162E
