EXPLANATION OF COMPONENTS OPERATION 13. CAB LAMP SWITCH This lights up the cab lamp. 1 2 AM089510A ON position: Lights up The cab lamp can be turned on even when the starting switch is at the OFF position, so be careful not to leave it on by mistake. 13 AM166910B 14. PUMP CONTROL OVERRIDE SWITCH (2) When normal: Switch is down AM166920B 14 15 (1) When abnormal: When the monitor display shows E02 (TVC valve system error), it is possible to carry out operation when this switch is moved up. The pump control override switch is designed to allow operations to be carried out for a short period when there is an abnormality in the pump control system (TVC valve system error).
The abnormality must be repaired immediately. 1 2 AM089520A 15. SWING LOCK OVERRIDE SWITCH (2) When normal: Switch is down 1 (1) When abnormal: When the monitor display shows E03 (swing brake system error), the brake is cancelled and it becomes possi- ble to swing the upper structure when this switch is moved up, so normal operations can be carried out. However, the swing brake remains cancelled. The swing lock override switch is designed to allow operations to be carried out for a short period when there is an abnormality in 2 AM089520A 74