
7-89
QUALITY CHECK AFTER REASSEMBLY
Air leak test of reduction unit
Remove one plug (
Η
or
Θ
or
Ι
) of the reduction unit apply compressed air (0.03 [MPa]) through
tapped hole of plug in water for two minutes, and observe that are no bubbles.
Air leak test of motor
Seal all piping ports on the motor except one port with plugs, and apply compressed air (0.03
[MPa]) through open port in water for two minutes. Observe that there are no bubbles.
Upon completion of leak test in subparagraphs (1) and (2) above, fill the motor case with new
hydraulic fluid. Run the motor crosswise for two minutes filling hydraulic fluid at flow rate of 20 liters
per minute.
Confirm that there is no excessive heat, vibration or noise during running.
3
3
)
(1)
(2)
(3)