Service And Adjustments - Craftsman 919.167361 Owner's Manual

Unit cycles
automatically when
power is on. When doing
Maintenance, you may be exposed
to voltage sources, compressed air
or moving parts. Personal injuries
can occur. Before performing any
Maintenance or repair, unplug the
compressor and bleed off all air
pressure.
ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED BY TRAINED
SERVICE TECHNICIAN.
To Replace or Clean Check
Valve
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug outfit.
3. Loosen the nut on the pressure
release tube and move the tube
to the side.
Outlet Tube
Pressure
Relief Tube
Nut
4. Loosen the nut on the outlet tube
and move the outlet tube to the
side.
5. Unscrew the check valve (turn
counterclockwise) using a socket
wrench.
D26642

SERVICE AND ADJUSTMENTS

Nut
Check
Valve
6. Make sure the valve disc moves
freely inside the check valve and
the spring holds the disc in the
upper, closed position. The
check valve may be cleaned with
a solvent, such as paint and
varnish remover.
In open
position
nothing is
visible.
7. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
8. Replace the pressure relief tube
and tighten the nut.
9. Replace the pressure outlet tube
and tighten the nut.
10. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
16- ENG
Screwdriver
In closed position
disc is visible.