中文
EN
DE RU KO PT
JA
ES
8
V. Troubleshooting for Common Faults
Always shut off the air supply before repairing, disassembling or assembling tools.
Fault phenomenon
Possible cause
Troubleshooting
The tool does not rotate or slows
down.
The air pathway may be blocked by foreign
matter.
Check for and remove foreign matter.
The blades are worn or cracked.
Replace the blades.
The gear is partially damaged or the
bearing is damaged.
Replace the gear or bearing.
The speed control knob is not at the correct
setting.
Adjust the speed control knob.
The air pressure is too low.
Adjust the inlet pressure.
The tool cannot stop rotating.
The O-ring of the knob is worn or the knob
cannot be positioned.
Replace the knob assembly.
The air intake lifting pin is bent or deformed.
Replace the lifting pin.
The air intake spring fails.
Replace the air intake spring.
The tool does not rotate and emits
a large exhaust volume.
The rotor blades are blocked.
Check for and remove foreign matter.
The motor rotor is stuck due to rust.
Remove the rust and apply lubricant.
The torque of the tool deceases
gradually but the rotation is normal.
The impact parts are excessively worn.
Check and replace the parts.
Insufficient lubrication.
Refill the lubricant or grease.
The output shaft and sleeve are worn.
Replace the output shaft and sleeve.
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