FAW J6 Jiefang IV Series, Operation Manual

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Jiefang J6 China IV, China V series instruction Appendix and Data
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S/N Gearbox alarm lamp TCU Defines fault items Possible fault causes
3. The temperature of gearbox is too low.
The clutch disengagement is not in place.
1. Clutch actuator air intake is not smooth;
2. fault of clutch actuator mechanism;
3. Insufficient assembly of clutch assembly;
4. The performance of clutch intake solenoid valve decreases.
The clutch engagement is incomplete.
1. Clutch actuator air exhaust is not smooth;
2. fault of clutch actuator mechanism;
3. The performance of clutch exhaust solenoid valve decreases.