POWAIR0803
EN
Copyright © 2014 VARO
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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 under
load
Motor parts worn.
Lubricating clutch housing.
Check for excess clutch oil. Clutch
cases need only be half full. Overfilling
can cause drag on high speed clutch
parts, i.e. a typical oiled/lubricated
wrench requires 1⁄2 ounce of oil.
GREASE
LUBRICATED
NOTE:
Heat
usually
indicates
insufficient
grease in chamber. Severe
operating conditions may
require
more
frequent
lubrication.
Cam clutch worn or
sticking due to lack of
lubricant.
Tool runs
slowly. Air flows
slightly from
exhaust
Motor parts jammed with
dirt particles
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.
Repeat above as needed.
Power regulator in
closed position
Air flow blocked by dirt.
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 throttle valve
dislodged from seat inlet
valve.
Replace ‘O’ ring.
