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.

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.

Outlet Tube

 

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

side.

Nut

 

4. Unscrew the check valve (turn

 

Check

counterclockwise) using a socket

Valve

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.

Screwdriver

6.

Apply sealant to the check valve

In open

position

 

threads. Reinstall the check valve

 

nothing is

 

(turn clockwise).

visible.

7.

Replace the outlet tube and tighten

In closed position

 

the nut.

disc is visible.

 

 

 

8.Perform the Break-in Procedure. See “Break-in Procedure” in the Operation section.

15- ENG

D25886

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Image 15
Delta D25886 instruction manual Service and Adjustments, To Replace or Clean Check Valve, Unplug outfit