MAINTENANCE PRIOR TO START
7-28
CHECKING THE CONTROLS
1. Turn the start switch to the operating position 'I'.
An alarm buzzer sounds until the machine is started.
2. Check that the following alarm and control indicators are on
until the engine is started:
• Charging current (1)
• Engine oil level (2)
• Parking brake (3)
• Intake air preheater (4)
3. Check that the fuel level indicator (5) indicates the fuel level
in the fuel tank.
☞
• Contact your local Komatsu dealer, if one or several of the
indicators do not light up.
Do not only use the indicators to perform the checks prior to
start. Always perform the work described as regular mainte-
nance, too.
CHECKING THE ELECTRICAL CONNECTIONS
• Danger of ignition! Inflammable material (leaves, twigs,
grass, etc.) may ignite within the electrical system!
Remove inflammable material from the electrical system.
☞
• If a fuse blows, or if there are any signs of a short-circuit
within the electrical system, inform your local Komatsu
dealer.
Regularly check that the terminals are fastened tightly, retighten
loose terminals.
P
I
II
0
75_209
5
75_212
1
3
4
2
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