. OPERATION DETAILED CONTROLS AND GAUGES Pump Drive Emergency Switch occur in the pump control Emergency Boom Swing Operation/Brake Cancel Switch possible to carry out swing shows "E03"), and to make it possible to carry out boom swing operations temporarily if any abnormality should occur in the boom swing system (when the display shows "E41"). (a) EMERGENCY: When there is an abnormality (switch at top), it is possible to carry out boom swing operations and swing operations for the upper structure. (b) NORMAL: When condition is normal (switch at bottom), set to this position.
3 - 18 NOTICE T his switch is installed to make it po ssible to carry out operation temporarily if any abnor mality should occ ur in the pump c ontrol system. It is not intended for permanent use. Repair the cause of the ab normality im mediately. I f this switch is depressed and move d to the EMERGENCY position by mistake , thereby en gagin g the machi ne in the work, w I hile the machine is in normal condit ion, an "E02" mark is shown in the display . osition. f "E02" is displayed during the work, check that the switch is in the NORMAL p Thi s switch (7) is used to make it po temporarily if any abnormality shou system (when the display shows "E (a) EMERGENCY: When abnormal (b) NORMAL:
When normal (move s If th e display shows "E02", move the to c arry out work. NOTICE T his switch is installed to make it pos sible to carry out swing operations temporarily if any abnormality shou ld occur in the s s wing brake system, and to make it po ssible to carry out boom swing operation s if any abnor malit y should occ ur in the boom wing system. It is not intended for p ermanent use. Repair the cause of the ab normality im mediately. I f this switch is moved to the EMERG ENCY position by mistake and operations are carried out when the mac hine is normal, " I E03" or "E41" appears on the display . perations, check that the switch is at the NORMAL position.
f "E03" or "E41" is displayed during o perations, check that the switch is at the NORMAL po sition. Thi s switch (8) is used to make it operations temporarily if any abnorm bra If th e display shows "E03" or "E41", possible to carry out work.