Trouble Shooting
WARNING:
If any of the following symptoms appears during your operating, stop using the tool immediately, or
serious personal injury could result.
Only a qualified persons or an authorized service center can perform repairs or replacement of tool.
Disconnect tool from air supply before attempting repair or adjustment. When replacing O-rings or
Cylinder, lubricate with air tool oil before assembly.
PROBLEMS
POSSIBLE CAUSES
REMEDIES
Tool runs at normal speed
but loses speed under
load
Motor parts worn.
Rotor Blade worn or
sticking due to lack of
lubricant.
Lubricate air tool.
Note: if the air tool is used for extended
periods it is advisable to lubricate
regularly.
Tool runs slowly. Air flows
slightly from exhaust
Motor parts jammed
with dirt particles
Air regulator in closed
position
Air flow blocked by dirt.
Low air supply.
Check air inlet filter for blockage.
Pour air tool lubricating oil into air
inlet as per instructions.
Operate tool in short bursts quickly
reversing rotation back and forth where
applicable.
Check for obstructions to the air supply
Tools will not run. Air flows
freely from exhaust
One or more motor
vanes stuck due to
material build up.
Pour air tool lubricating tool into air
inlet.
Operate tool in short bursts of forward
and/or reverse rotation where
applicable.
Tap motor housing gently with plastic
mallet.
Disconnect supply. Free motor by
rotating drive shank manually where
applicable
Tool will not shut off
‘O’ rings in the throttle
valve dislodged from
seat inlet valve.
Replace ‘O’ ring.
Note: Repairs should be carried out by a qualified person.