Komatsu D155AX-8E0, Operation & Maintenance Manual

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If the horn does not sound or its volume is extremely low, it may be broken or may have an open circuit. Ask you
Komatsu distributor for repair.
METHOD FOR CHECKING BACKUP ALARM OPERATION STATUS
1.
Turn the starting switch to ON position (B).
2.
Set the parking brake lever to LOCK position (L).
3.
Set the joystick (steering, directional and gear shift lever)
in REVERSE position (R).
The buzzer must sound immediately.
The buzzer keeps sounding until the joystick (steering, di-
rectional and gear shift lever) is set to NEUTRAL or FOR-
WARD position.
4.
After checking the buzzer operation, return the joystick
(steering, directional and gear shift lever) to NEUTRAL po-
sition immediately.
5.
Return the starting switch to OFF position (A).
METHOD FOR ADJUSTING
METHOD FOR ADJUSTING OPERATOR'S SEAT
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WARNING
• When adjusting the position of the operator's seat, always set the work equipment lock lever and
parking brake lever to LOCK positions to prevent any accidental contact with the control levers.
• When adjusting the operator's seat, stop the machine at a safe place.
NOTICE
If you adjust the operator's seat while parts, tools, empty cans, etc. are left around, the peripheral parts
and operator's seat may be damaged.
Before adjusting the operator's seat, check that there is no part, etc. around it.
• Always adjust the operator's seat before starting each operation or when the operators change shift.
• When adjusting the seat, put your back against the backrest and adjust to a position where the brake pedal
can be fully depressed.
OPERATION MACHINE OPERATIONS AND CONTROLS
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