Troubleshooting and fault reasons of diesel forklift with abnormal machine operation sound

When the machine operates forklift diesel engine abnormal sound?

Fault,First, fuel injection time, early, high mast diesel forklift causing a rhythmic percussion sound crisp metal cylinder.

Second, the injection time too late, the cylinder with a low and clear voice.

Troubleshooting, adjustment of fuel supply advance angle.

Fault reason. Third, the clearance between piston and cylinder is too large.

After starting the diesel engine cylinder a percussive sound, diesel forklift trucks ,the sound with the diesel engine to take the heat loss.

Method, to replace the piston or cylinder