OPERATION DETAILED CONTROLS AND GAUGES Pump Drive Emergency Switch NOTICE The emergency pump driving switch is provided to make it possible to carry out work for a short time when there is a failure in pump control system. It is necessary to repair the abnormal location as soon as possible. This switch (10) is used when there is an abnormality in the pump control system (when the display shows “E02“). It makes it possible to carry out operations for a short time. (a) When there is abnormality: Move switch up (b) When condition is normal: Move switch down q If the display shows “E02“, move this switch up to make it possible to carry out operations.
Swing Holding Brake Release Switch NOTICE This switch makes it possible to carry out swing opera- tions for a short time even when there is an abnormality in the swing brake system. Do not use this switch except in emergencies. Repair the abnormality as soon as possible. This switch (11) is used when there is an abnormality in the swing holding brake system (when the display shows “E03“). It makes it possible to carry out swing operations for a short time. (a) When there is abnormality: Move switch up (b) When condition is normal: Leave switch down q If the display shows “E03“, move this switch up to make it possible to carry out swing operations.
Rotating Lamp Switch (If Equipped) This switch (12) is used to light up the yellow rotating lamp on top of the cab. (a) ON: Lamps light up (b) OFF: Lamps go off 3-21