Possible Causes - Power Fist 8064685 Manuel Du Propriétaire

Ponceuse pneumatique de 6 po (à double mouvement)
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The following form lists common operating problems and their remedies. Please read and follow the form carefully.
WARNING: If any of the following symptoms appears during operation, 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
Tool runs at normal speed but slows
down under load
Tool runs slowly. Air flows slightly
from exhaust
Tools will not run. Air flows freely
from exhaust
Tool will not shut off
Note: Repairs should be carried out by a qualified person.

POSSIBLE CAUSES

Motor parts worn.
Cam clutch worn or sticking
due to lack of lubricant.
Motor parts jammed with dirt
particles
Power regulator in closed
position
Air flow blocked by dirt.
One or more motor vanes
stuck due to material build
up.
'O' rings throttle valve
dislodged from seat inlet
valve.
For any technical questions, please call 1-800-665-8685
Lubricating clutch housing.
Check for excess clutch oil.
Clutch cases need only
be half full. Overfilling can
cause drag on high speed
clutch parts, ie. a typical
oiled/lubricated sander
requires 1⁄2 ounce of oil.
GREASE LUBRICATED:
NOTE: Heat usually
indicates insufficient
grease in chamber. Severe
operating conditions may
require more frequent
lubrication.
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.
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
Repeat above as needed.
Replace 'O' ring
5
REMEDIES

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