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After Each Use; To Replace Regulator; To Replace Or Clean Check Valve - Craftsman 226.165290 Operator's Manual

Permanently lubricated tank mounted air compressor
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AFTER EACH USE:
Set the "Auto/Off" lever to "OFF".
Turn the regulator counterclockwise to set the outlet pres-
sure to zero.
Remove the air tool or accessory.
Open the regulator and allow the air to slowly bleed from
the tank. Close the regulator when tank pressure is
approximately 20 psi.
Drain water from air tank,
WARNING:
Water will condense in the air tank, If not
drained, water will corrode and weaken the air tank causing a
risk of air tank rupture.
NOTE: If drain valve is plugged, release all air pressure. The
valve can then be removed, cleaned, and then reinstalled.
After the water has been drained. Close the drain valve.
The air compressor can now be stored.
All maintenance and repair operations not listed must be per-
formed by a trained service technician.
WARNING;
Before servicing:
Unplug or disconnect electrical supply to the air compres-
sor
Bleed tank of pressure
Allow the air compressor to cool.
TO REPLACE
OR CLEAN
CHECK VALVE
Refer to Figure 8.
Release all air pressure from air tank. See "After Each
Use" in the Operation section.
Unplug compressor
Loosen the nut on the compressor tank tube and move the
tube to the side.
Loosen the nut on the tank outlet tube and move the tube
to the side,
Figure 8 - Check Valve
Unscrew the check valve (turn counter-clockwise) using an
open end wrench.
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.
Apply sealant tape to the check valve threads, Reinstall
the check valve (turn clockwise).
Replace the compressor tank tube and tighten the nut.
Replace the tank outlet tube and tighten the nut.
Perform the Break-in Procedure. See"Break-in Procedure"
in the Operation section.
TO REPLACE
REGULATOR
Refer to Figures 9, t0 and t 1.
Release all air pressure from air tank, See "After Each
Use" in the Operation section.
Unplug compressor
Using an adjustable wrench remove the outlet pressure
gauge and quick connect from the regulator.
Remove the regulator,
Figure 9 - Replacing Regulator
Apply pipe sealant tape to the connector on the pressure
switch.
Install the regulator and orient as shown.
6

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