Komatsu PC30MR-5 Operation & Maintenance Manual page 181

OPERATION
3.
Operate the R.H. work equipment control lever (3) slowly
to set it to bucket CURL position (c).
Keep it at bucket CURL position (c) for 5 minutes.
Bucket operation
CURL (c) ←→ DUMP (d)
4.
After warm-up operation, check that the machine monitor
(5) is in the following conditions.
(6) Engine coolant temperature gauge
The graduation of gauge is within normal range.
(7) Fuel gauge
The graduation of gauge is within normal range.
(8) Caution lamp display
OFF
If any problem is found, perform maintenance or repair.
5.
Check for abnormal exhaust gas color, noise, or vibration.
If any abnormality is found, contact your Komatsu distributor.
6.
Set the lock lever (2) to LOCK position (L).
7.
Operate the following levers and pedals, and check that
the machine does not move.
• Work equipment operation and swing operation can-
not be done by R.H. and L.H. work equipment control
levers.
• Machine does not travel by operating R.H. and L.H.
travel levers.
• Blade does not move by operating blade control lever.
• Boom does not swing by operating boom swing con-
trol pedal.
Warm-up operation of the engine is completed.
Then, perform the warm-up operation for the hydraulic components.
MACHINE OPERATIONS AND CONTROLS
WENAM00150
RKA63961
3-115