There are many types of excavator faults, and failure to fire is one of the biggest headaches. Why does an excavator fail to fire? What can be done about it?
Excavator can not fire can also be called
difficult to start, do not burn, etc., is one of the most common failures of
excavators, can be divided into two main situations excavator cold car can not
fire, hot car can not fire.
Top 10 reasons why excavators don't
fire.
1. The battery clamp is loose, thus leading to a difficult excavator starting fault.
2. Excavator battery power is insufficient, or the battery stake is loose, resulting in poor contact.
3. Circuit failure, loose relay box connector, or fuse box fuse burned.
4. The starter motor or generator is faulty, unable to generate electricity normally, resulting in insufficient power.
5. In the winter excavator can not fire, may be the excavator diesel wax caused by.
6. The excavator is matched with unsuitable fuel, the winter selection of viscosity of large diesel, the summer should choose viscosity of small diesel.
7. Excavator engine cylinder pressure lack, the engine valve closure is not strict caused by.
8. excavator hot car difficult to start, it is possible that the excavator oil pump or oil nozzle fault.
9. Too much water in the diesel, or too much air mixed in the diesel caused by the failure.
10 excavator solenoid valve failure, diesel
pump plunger wear and so on will also cause failure to fire.
How do I check if my excavator won't
fire?
1. Check whether it is caused by circuit problems, failure performance is to unscrew the ignition switch does not respond or start the motor speed is too low.
2. Daily maintenance check is very important, to the excavator battery power often check, the power is not enough to charge in time.
3. Check whether the fuel tank is sufficient, no oil, of course, can not fire, must be timely refilled with sufficient fuel.
4. Check the starter relay or relay line of the machine, and see if there is a short circuit or a broken circuit.
5. Check whether the generator of the excavator is bad, can not pass electricity, of course, can not fire.
6. Remember to use different viscosity of hydraulic oil according to the ambient temperature.
7. Check the battery harness, flame failure solenoid valve, diesel pump, fuel system, etc.
8. Check the ignition switch of the
excavator to see if the contact is not good.
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