| Problem (phenomenon) |
Possible Cause |
Recommended solution |
 |
The tool runs automatically or tool will not shut off. |
 |
Torque decreases slightly. |
 |
Sound of air leaking. |
|
 |
Dust jam. |
|
 |
Clean and remove the dust from the air inlet. |
 |
Clean the throttle valve. |
 |
Apply a few drops of recommended pneumatic oil into the air inlet. |
 |
Pull the trigger and run for several seconds to get rid of the dust. |
|
 |
Severe torque loss, but will still run at full free speed. |
 |
Tool will not run. |
|
 |
The rotor blades may be damaged, |
|
 |
Check and replace new ones, if necessary. |
|
 |
The pad may not be correct. |
|
 |
Check and replace with the correct one. |
|
 |
The screws may be loose. |
|
 |
Tighten all the loose screws. |
|