MACHINE OPERATIONS AND CONTROLS OPERATION
3-170
2. If the oil level is not between the H and L marks on the dip-
stick, add oil through the dipstick guide.
q When the engine is idling, use the ENGINE IDLING
side of the dipstick and check the H and L marks.
Check Air Cleaner For Clogging
1. Turn the starting switch ON and check that the air cleaner
clogging monitor on the monitor panel does not light up.
2. If it lights up, immediately clean or replace the element.
For details of method of cleaning the element, see
“CHECK, CLEAN AND REPLACE AIR CLEANER ELE-
MENT (4-20)“.
Check Working Lamp Switch
Turn the lamp switch ON and check that the working lamps
light up.
The working lamp switches are as follows.
(1) Rotating lamp
(2) Room lamp
(3) Additional lamp
(4) Working lamp
(5) Step lamp
If any lamp does not light up, there is probably a broken bulb or disconnection, so ask your Komatsu distributor to
carry out repairs.
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