Rev. 03/08/04
775-6634A
6
PLEASE REVIEW ALL WARNING INSTRUCTIONS PRIOR TO OPERATION. SAVE THIS MANUAL FOR FUTURE REFERENCE.
AIR DRILLS
TOOL WILL NOT RUN, RUNS SLOWLY, AIR FLOWS SLIGHTLY FROM EXHAUST, SPINDLE TURNS FREELY —
This is probably
caused by: air flow blocked by dirt build-up; motor parts jammed with dirt.
YOU SHOULD:
Check air inlet for blockage. Pour a generous amount of air tool oil into air inlet. Operate trigger in
short bursts. Detach air supply; turn empty and closed drill chuck by hand. Reconnect air supply. If tool
performance is not improved, it should be serviced at an authorized service center.
TOOL WILL NOT RUN. AIR FLOWS FREELY FROM EXHAUST. SPINDLE TURNS FREELY —
This is probably caused by:
Build up of dirt or varnish on rotor vanes.
YOU SHOULD:
Pour a generous amount of air tool oil into air inlet. Operate trigger in short bursts. Detach air
supply; turn empty and closed drill chuck by hand. Reconnect air supply. If tool performance is not improved,
it should be serviced at an authorized service center.
TOOL LOCKED UP, SPINDLE WILL NOT TURN —
This is probably caused by: a broken motor vane; gears broken or
jammed by foreign object.
YOU SHOULD:
Send the tool to an authorized service center.
TOOL WILL NOT SHUT OFF —
This is probably caused by: throttle valve O-ring blown off seat.
YOU SHOULD:
See breakdown for part number and replace O-ring or send the tool to an authorized service center.
AIR HAMMERS
TOOL WILL NOT RUN —
This is probably caused by: cycling valve or throttle valve clogged with dirt or sludge.
YOU SHOULD:
Pour a generous amount of air tool oil into air inlet; check for dirt. Operate trigger in short bursts
(chisel in place and against solid surface). If not free, detach air supply. Tap nose or barrel lightly with plastic
mallet, reconnect air supply, and repeat above steps. If still not free, detach air supply, insert a 6" piece of
1/8" diameter rod in nozzle and lightly tap to loosen piston in rear direction. Reconnect air supply and repeat
above steps.
CHISEL STUCK IN NOZZLE—
This is probably caused by: the end of the shank is misshapen.
YOU SHOULD:
Send the tool to an authorized service center.
(Continued from page 5)
NOTE
Disassembly of this tool by other than an authorized service center
WILL VOID
the warranty on this tool.
90 DAY LIMITED WARRANTY:
NAPA/EVERCRAFT air tools are warranted to be free from defects
in material and workmanship. If any unit proves to be defective in material or workmanship
within 90 days from the original date of purchase, it will be replaced free of charge. In the
unlikely event a replacement unit is required, return the unit to your local NAPA Auto Parts Store
for the free replacement. If service is required after the 90-day limited warranty, call toll free
1-866-867-5359 for the closest repair facility. When calling, be prepared to provide the part
number and the serial number of the unit.
The foregoing obligation is NAPA/EVERCRAFT'S sole liability under this or any implied warranty,
and under no circumstances will NAPA/EVERCRAFT be liable for any incidental or consequential
damages.
TROUBLESHOOTING
Summary of Contents for Evercraft 775-6634A
Page 12: ...Rev 03 08 04 775 6634A 12...
