Komatsu D37EX-24 Operation & Maintenance Manual page 191

OPERATION
11. Align the claw (10) of the cap with groove (11) of the filler
port, and close the cap securely by turning it clockwise by
90 °.
METHOD FOR CHECKING LAMPS OPERATION
1.
Turn the starting switch to ON position (B).
2.
Set the headlamp switch to night mode (a) and daytime
mode (b), and check that the head lamp lights up in both
mode.
3.
Turn the rear lamp switch to ON position (d), and check
that the rear lamp lights up.
If the lamps do not light up, a broken bulb or disconnected
wire are the possible causes. Ask your Komatsu distributor
for repairs.
4.
After finishing the check, turn the head lamp to OFF posi-
tion (c) and turn the rear lamp to OFF position (e).
MACHINE OPERATIONS AND CONTROLS
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