Komatsu D61EX-24 Operation & Maintenance Manual page 242

OPERATION
3.
Check if preheating pilot lamp (3) on the machine monitor
is lit.
4.
Leave this condition until preheating pilot lamp (3) goes
out.
The lighting time of preheating pilot lamp (3) varies with
the ambient temperature as shown in the table.
Ambient temperature
( °C { °F} )
-3 to -10 {27 to 14}
-10 to -20 {14 to -4}
-20 to -30 {-4 to -22}
5.
After preheating pilot lamp (3) goes out, turn the key of
starting switch (2) to START position (C), and start the en-
gine.
6.
When the engine starts, release the starting switch key (2).
The key will return automatically to ON position (B).
REMARK
Just after starting the engine, run it at low idle. During this
period, release the decelerator/brake pedal and perform
no operation of the work equipment.
7.
When the engine speed is stabilized, set the fuel control
dial back to Low idle (MIN) position, and perform the
warm-up operation.
Lighting time (sec.)
5 to 15
15 to 32
32 to 45
MACHINE OPERATIONS AND CONTROLS
3-191