Service And Adjustments - Sears Craftsman 919.16536 Owner's Manual

ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED BY A TRAINED
SERVICE TECHNICIAN.
Risk of Unsafe
Operation. Unit
cycles automatically when power is
on. When servicing, you may be
exposed to voltage sources,
compressed air, or moving parts.
Before servicing unit unplug or
disconnect electrical supply to the
air compressor, bleed tank of
pressure, and allow the air
compressor to cool.
To Replace or Clean Check
Valve
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Set the On/Auto/Off lever to
"OFF" and unplug unit.
3. Remove the hose by removing
the hose clamp.
Hose Clamp
Check
Valve
D30052

SERVICE AND ADJUSTMENTS

NOTE: The hose clamp is not
reusable. You must purchase a new
hose clamp, see the Parts List
Manual or purchase a standard hose
clamp at a local hardware store.
5. Unscrew the check valve (turn
counterclockwise) using a socket
wrench.
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.
7. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
8. Replace hose and new hose
clamp.
9. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
16- ENG