Delta 66-202-1 User Manual download pdf (Page 14)

14- ENG

D27456

To Replace or Clean Check Valve

1. Release all air pressure from air tank. See "To Drain Tank" in the

Maintenance section.

2. Unplug unit.

3. Loosen the nut on the outlet tube and

move the outlet tube to the side.

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 outlet tube and tighten the nut.

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

Operation section.

ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE

PERFORMED BY TRAINED SERVICE TECHNICIAN.

SERVICE AND ADJUSTMENTS

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.

Before servicing:

• Unplug or disconnect electrical supply to the air compressor.

• Bleed tank of pressure.

• Allow the air compressor to cool.

Check Valve

Nut

Outlet Tube

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Delta 66-202-1 User Manual Page 14