Komatsu PC80MR-5E0, Operation & Maintenance Manual

Page: 194 / 412

1.
Set the working mode to P mode on the machine monitor
(1).
It quickens the warm-up of the hydraulic component.
For the working mode setting, see “WORKING MODE SE-
LECTION”.
2.
Move the lock lever (2) slowly and securely to FREE posi-
tion (F).
Operate the R.H. and L.H. work equipment control levers
(3) and (4) slowly to raise the bucket from the ground.
3.
Turn the fuel control dial (5) to the point (c) of 2/3 between
Low idle (MIN) position (a) and High idle (MAX) position
(b).
4.
Operate the R.H. and L.H. work equipment control levers
(3) and (4) to warm up the hydraulic components.
Repeat the operation of the R.H. and L.H. work equipment
control levers (3) and (4) for 5 minutes.
NOTICE
When the work equipment is operated, take care that it
does not interfere with the machine or ground.
1) Operate the R.H. work equipment control lever (4)
slowly to set it to bucket CURL position (m).
Keep the lever at bucket CURL position (m) for 30
seconds.
2) Operate the R.H. work equipment control lever (4) slowly to set it to the bucket DUMP position (k).
Keep the lever at the bucket DUMP position (k) for 30 seconds.
3) Operate the L.H. work equipment control lever (3) slowly to set it to the arm IN position (f).
Keep the lever at the arm IN position (f) for 30 seconds.
4) Operate the L.H. work equipment control lever (3) slowly to set it to the arm OUT position (g).
Keep the lever at the arm OUT position (g) for 30 seconds.
RKA63210
RKA63962
MACHINE OPERATIONS AND CONTROLS OPERATION
3-126
WENAM00241