MAINTENANCE PROCEDURE MAINTENANCE
4-54
BLEEDING AIR FROM PILOT SELECTOR VALVE CIRCUIT
After the removal and installation of the pilot selector valve and the disconnection and connection of the pilot
selector valve circuit, bleed air from the pilot selector valve circuit in the following manner.
If air is not bled at all or bled but insufficiently, there is a possibility that the working speed lowers in complex oper-
ation, so be sure to follow the air bleeding instructions.
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