Napa Professional 6-1129 Guide D'utilisation page 6

TROUBLESHOOTING
the empty and closed drill chuck
by hand. Reconnect air supply. If
the tool's performance does not
improve, it should be serviced by
an authorized service center.
TOOL WILL NOT RUN. AIR FLOWS
FREELY FROM EXHAUST. SPINDLE
TURNS FREELY. This condition is
probably caused by a broken rotor
vane or jammed or broken gears.
YOU SHOULD: Pour a generous
amount of air tool oil into air
inlet. Operate the trigger in short
bursts. Detach the air supply. Turn
the empty and closed drill chuck
by hand. Reconnect air supply. If
the tool's performance does not
improve, it should be serviced by
an authorized service center.
TOOL SEIZED. SPINDLE WILL NOT
TURN. This condition is probably
caused by a broken rotor vane or
jammed or broken gears.
YOU SHOULD: Have the tool
serviced by an authorized service
center.
TOOL WILL NOT SHUT OFF. The
throttle valve o-ring has probably
come unseated.
YOU SHOULD: Replace the o-ring
(see breakdown) or have tool
serviced by an authorized service
center.
AIR HAMMERS
TOOL WILL NOT RUN. This
condition is probably caused by a
clogged cycling valve or throttle
valve.
YOU SHOULD: Check the air inlet
for blockages. Pour a generous
amount of air tool oil into air inlet.
Operate the trigger in short bursts
with the chisel in place and against
a solid surface. Detach the air
supply. Tap the nose or barrel
lightly with a plastic mallet,
reconnect the air supply, and
repeat above steps. If the tool is
still seized, insert a 6" piece of 1/8"
PLEASE REVIEW ALL WARNING INSTRUCTIONS PRIOR TO OPERATION. SAVE THIS MAN U AL FOR FUTURE REF ER ENCE.
6-1129
diameter rod in the nozzle and
lightly tap to loosen the piston in
the rear direction. Reconnect air
supply and repeat above steps.
CHISEL STUCK IN NOZZLE. This
condition is probably caused by
a deformed shank.
YOU SHOULD: Have tool serviced
by an authorized service center.
NOTE: DISASSEMBLY OF THIS
TOOL BY ANY OTHER THAN AN
AUTHORIZED SERVICE CENTER
WILL VOID THE WARRANTY ON
THIS TOOL.
SANDERS/GRINDERS
TOOL HAS NO POWER OR RUNS
SLOWLY. This condition is
probably caused by insufficient air
pressure, contaminants blocking
the air flow, or speed regulator
that has vibrated to a closed or off
position.
YOU SHOULD: Check the air
supply at the compressor and air
lines to the tool for sufficient
air pressure. Check the air inlet
strainer for blockage and make
sure speed regulator is in the
open or on position. If power is
not restored the tool should be
serviced by an authorized service
center.
TOOL SEIZED. Pad/spindle will not
turn. This condition is probably
caused by a broken rotor vane,
jammed or broken gears, or seized
bearing.
YOU SHOULD: Have the tool
repaired by an authorized service
center.
TOOL WILL NOT SHUT OFF/RUNS
CONTINUOUSLY. The throttle
valve seat has become loose or
damaged.
YOU SHOULD: Replace o-ring or
valve seat (see breakdown for
proper parts) or have tool serviced
by an authorized service center.
6
SANDS/GRINDS UNEVENLY. This
condition is usually caused by
loose pad/disc connection or
worn or damaged pad/disc.
YOU SHOULD: Check pad/disc
connection, ensure that connection
is secure and tight. Replace worn
or damaged pad/disc.
Rev. 2/23/16