Owners manual

13
Note: For any troubles which cannot be resolved, please contact the selling agent, where you
purchased the tool
Reduced
torque
Automatic start
when
connected to
compressed air
The motor
blocks
Corrective ActionPossible Cause(s)Symptom
WARNING: Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect the air supply before servicing
Oil/lubricate the tool consistently until it gains
the right speed and torque
Lack of lubrication
Replace damaged O-Ring(s) or put it back in
correct position
Corresponding O-Ring(s)
wear out or out of position
Abnormal
vibration (Heat
rising from the
housing)
Replace damaged bearing(s)Bearing(s) damaged
Check the air leakage and fix it under proper
instruction
Air leakage
Check and fix the throttle lever or starting
trigger for accurate operation
Throttle lever or starting
trigger malfunctions
Disassemble the tool and clean the inner
structure under proper instructions
Dust gets into the motor
Replace rotor blades
Rotor blades break or wear
out
Check the air compressor to gain the correct
air pressure required
Speed controller/switch
breaks down
Check the air hose to see whether it is blocked
or twisted causing less air supply
Air supply is not enough
(air pressure not at required
standard)
Tool does not
run at a normal
speed or at a
variable speed
Important Operating Instructions
TROUBLESHOOTING GUIDE