OPERATION 3.3 OPERATOR’S CAB - CONTROLS Switch Board Legend for illust. Z 22464 (14) Switch, interior illumination (15) Switch, dashboard illumination (16) Switch, warning beacon on cab roof *) (17) Switch, main working lights (1) (18) Switch, cab ventilation blower. Blower runs with low speed, even with switch in ”0” position. (Cab pres- surising prevents ingress of dust). (19) Switch, mirror heating (20) Not used (21) Switch, manual actuation of central lubrication sys- tem (22) Switch, manual actuation of swing ring gear pinion lubrication system (23) Toggle switch, swing parking brake G ”0” Parking brake released - UP G ”1” Parking brake applied - DOWN.
The parking brake must only be applied with superstruc- ture at complete standstill. Refer to page 225 for more information. (24) Switch, windshield washer (main windshield and head light glasses) (25) Switch, main windshield wiper (slow - fast) and wip- ers of head light glasses (26) Enable switch for hydraulic service arm operation. Set this switch to ON position ”1” before lowering the service arm. With this switch in ON position, the pilot control system is made inoperative and the hydraulic swing brake is applied.
After completion of replen- ishment procedure, swing back the service arm to its home position and set switch (26) to OFF position (27) Key operated main switch *) Special equipment 75 CAUTION