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Electric System EL-9 Starting Division Starter Starting relay Assistant start button The assistant start button is located at the right side of cab rear support. When the engine need to be repaired under the truck, put the ignition switch to "ON" position and make the ignition relay's contactor pull-in. Let the Electromagnetic Main Power Switch Operation principle When this switch is turned on, the current passes through the coil and the contactor closed to connect the bat- tery cathode and chassis frame. As soon as fuse is burnt the electromagnetic main supply switch will automatically cut off the battery nega- tive earthed circuit. So there will be no electricity in the complete truck. Specification Trouble analysis Vehicle model DFA1064DH01-985 Nominal voltage (V) 24 Nominal power (kW) 3.7 Pinion teeth 10 Pinion module 2.54/2.1167 Brake torque (N · m) 40 Brake current (A) 800 Brake voltage (V) 12 Operating voltage (V) 18~32 Operating current (A) 50 Pull-in voltage (V) 9~17 Drop-off voltage (V) 1~8 Mode Nominal voltage Operating voltage Operating current Main contacts current in operation DK238 24V 20~30V ≤ 0.5A 300A Trouble Cause Remedy Jamming The electromagnetic main supply switch is Slap the housing gently or Not working The electromagnetic main supply switch's interior Repair or replace |