OPERATOR'S STATION Boom Mode Switch When boom mode switch (4) is turned ON, the machine cannot be raised off the ground with the front attachment, reducing machine vibration to be developed during excava- tion. When turned OFF, the machine can be raised off the ground with the front attachment, allowing the machine to evacu- ate if the machine becomes stranded in a muddy area. 4 M1J1-01-020 Engine Oil Level / Coolant Level Switch While engine oil level / coolant level switch (5) is turned ON, the engine oil level / coolant level indicator is displayed. When releasing the engine oil level / coolant level switch , the indicator comes OFF.
5 M1J1-03-002 Auto-Lubrication Switch (Optional) When auto-lubrication switch (6) is turned ON, the auto- lubrication device is activated so that all greasing points ex- cept for the bucket joint pins, swing bearing and swing gear are automatically lubricated at regular intervals. When the switch is turned OFF, the device is deactivated. 6 M1J1-01-018 Rear Light Switch (Optional) When rear light switch (7) is turned ON. The rear light at the rear of the cab roof comes ON. 7 M1U1-01-009 1-58