Service And Adjustments; To Replace Or Clean Check Valve; To Replace Regulator - Sears Craftsman 919.167240 Manual Del Operador

Permanently lubricated tank mounted

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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 per-

forming 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.

Before servicing:

Unplug or disconnect electrical supply to the

air compressor.

Bleed tank of pressure.

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. Unplug outfit.

3. Loosen the nut on the outlet tube and move the

outlet tube to the side.

Outlet Tube

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.

6. Apply sealant to the check valve threads. Reinstall

the check valve (turn clockwise).

7. Replace the pressure outlet tube and tighten the

nut.

8. Perform the Break-in Procedure. See "Break-in

Procedure" in the Operation section.