Komatsu PW98MR-10, Operation & Maintenance Manual

Page: 413 / 446

You can increase or decrease the flow rate by controlling the switch stroke.
The attachment does not operate unless the attachment mode
is set on the machine monitor.
HYDRAULIC CIRCUIT
METHOD FOR CONNECTING HYDRAULIC CIRCUIT
When installing the attachment, connect the hydraulic circuit as follows.
1.
Connect the attachment piping provided by the attachment
manufacturer.
The dimensions on the machine side are as shown in the
figure.
2.
After connecting the piping, bleed air from the circuit ac-
cording to the following procedure.
NOTICE
If the air bleeding procedure is specified on the attach-
ment by the manufacturer, bleed the air according to
that procedure.
1) Start the engine. For details, see “METHOD FOR
STARTING ENGINE (3-148)”.
Run the engine at low idle for 10 minutes, and then
start the following work.
2) To bleed all air from the attachment circuit, operate the
attachment operation switch repeatedly (approximate-
ly 10 times) while running the engine at low idle.
3) After completing the air bleeding, stop the engine,
leave the machine for 5 minutes, and then start the
operation.
The air bubbles in the oil inside the hydraulic tank are
discharged.
4) Check that there is no leakage of oil and wipe off any
oil that is spilled.
METHOD FOR REMOVING AND INSTALLING ATTACHMENT
k k
WARNING
Lower the attachment to the ground and stop the engine.
RKA48510
ATTACHMENTS AND OPTIONS HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
6-11
WENAM00061