. OPERATION OPERATION CHECK EMERGENCY STEERING the Komatsu distributor. at a the after the parking brake switch (3) is set to the TRAVEL position and that the steering wheel can be operated. emergency steering is actuated automatically in the 3 - 76 Check manual emergency steeri ng e ON position. g switch (1) ON, and check tha perated. 1. Turn starting switch to th 2. Turn emergency steerin steering wheel can be o If the steering wheel can not be operated, please contact REMARK The emergency steering pump can be used for a maximu 90 seconds. When using the emer gency steering pump, travel h.
maximum speed of 5 km/ When the machine is stop ped, if the starting switch is turn the ON position with the parking brake switch at the TRA position, the auto-emerge ncysteering is actuated automati after 1 second, so alway s set the parking brake switch to PARKING position before turning the starting switch ON. Check auto-emergency steering to emergency steering) pressure caution lamp is off. r (2) fully and stop the engine. to the ON position. (Machines equipped with au 1. Start the engine. 2. 3. 4. Check that the brake oil Pull retarder control leve Turn starting switch key REMARK On machines equipped with following cases.
When the steering hydra When the engine stops d uring travel, dumping, or other op On I f the emergency steering is actuated, stop the machine imm ediately and carry out insp ection. When the machine is stoppe d, if the starting switch is turned t o the ON position with the parking brake switch at the TRAVEL position, the auto-e mergency steering is actuated a utomatically after 1 second , so always set the parking brake switch to the PARKIN G position before turning the star ting switch ON. CHECK BACKUP ALARM 1. Turn starting switch to th 2. Place the gear shift leve 3. Check that the backup a