Service And Adjustments - Craftsman 919.167241 Owner's Manual

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 outlet tube
and move the outlet tube to the
side.
Outlet Tube

SERVICE AND ADJUSTMENTS

Unit cycles
automatically when
Nut
Check
Valve
4. Unscrew the check valve (turn
counterclockwise) using a socket
wrench.
5. 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.
6. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
7. Replace the outlet tube and
tighten the nut.
8. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
17- ENG
Screwdriver
In closed position
disc is visible.
D27443