jcb JS300 Service Manual page 158

Tracked excavators - tier 4i isuzu engine

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Boom and dipper aligned, crowd pressure raised, joystick unlock button pressed.

Hammer engaged (green)

Hammer overwork alarm (amber)

Hammer overwork alarm (red)

Engine automatic warm-up (blue)

Cold Idle (blue)

Engine pre-heat (amber)

Engine stop (red)

Work lights (amber). Warns that the work lights are on and the ignition is off. The

buzzer will sound in this state after 15.

Overload caution alarm (red)

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