Service Instructions - Makita AC001 Owner's Manual

SERVICE
INSTRUCTIONS
WARNING: SAFETY
VALVE – INSPECTION
IF THE SAFETY VALVE
DOES NOT WORK
PROPERLY, OVER-
PRESSURIZATION MAY
OCCUR, CAUSING AIR
TANK RUPTURE OR
AN EXPLOSION.
OCCASIONALLY PULL
THE RING ON THE
SAFETY VALVE TO MAKE
SURE THAT THE SAFETY
VALVE OPERATES FREELY.
IF THE VALVE IS STUCK
OR DOES NOT OPERATE
SMOOTHLY, IT MUST BE
REPLACED WITH THE
SAME TYPE OF VALVE.
Units with External Brass
Check Valve Replacement
1. Release all air pressure from
air tank and unplug outfit.
2. Remove shroud.
3. Loosen the top and bottom nut
of the outlet tube and remove.
4. Remove the pressure release
tube and fitting.
5. Unscrew the check valve (turn
counterclockwise) using a
socket wrench.
6. Check that the valve disc
moves freely inside the check
valve and that the spring holds
the disc in the upper, closed
position. The check valve may
be cleaned with a suitable
solvent.
7. Apply sealant to the check
valve threads. Reinstall the
check valve (turn clockwise).
8. Replace the pressure release
tube and fitting.
9. Replace the outlet tube and
tighten top and bottom nuts.
10. Replace the shroud.
Motor
The motor has
rese hermal overload protector
switch. If the motor overheats for
any reason, the overload
protector will shut off the motor.
The motor must be allowed to
cool down before resetting the
overload switch and restarting.
If the overload protector shuts
the motor off frequently, check
for a possible voltage problem.
Low voltage can also be
suspected when:
1. The motor does not get up to
full power or speed.
2. Fuses blow out when starting
the motor; lights dim and
remain dim when motor is
started and is running.
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