Komatsu Galeo PC27MR-2 Operation & Maintence Manual page 241

ATTACHMENTS AND OPTIONS
Bleeding Air
After connecting the piping, bleed the air from the circuit.
1. Starting engine
Start the engine according to "STARTING ENGINE (PAGE 3-54)" keep running the engine at low idle for 10
minutes, and carry out the following procedure.
2. Bleeding air from cylinders
Operate each cylinder 3 or 4 times to the end of its stroke.
NOTICE
If, at first, the engine is run at high speed or the cylinder is operated to the end of its stroke, the air inside the cylinder may cause
damage to the piston packing or other parts.
3. Bleeding air from attachment (if equipped)
For machine equipped with attachment such as the breaker, actuate the attachment pedal about 10 times to
bleed the air completely from the attachment circuit while running the engine at low idle.
NOTICE
If the attachment bleeding procedure is specified by the manufacture, bleed the attachment according to such procedure.
4. Operation
1) After completion of bleeding the air, stop the engine, and wait for at least 5 minutes before starting
operations. In this way, the air bubbles are removed from the oil inside the hydraulic tank.
2) Check for any leakage of oil, and wipe off any oil that has been spilled.
MACHINE READY FOR ATTACHMENT
6 - 15