Porter-Cable 1000001703 Service and Adjustments, To Replace or Clean Check Valve

SERVICE AND ADJUSTMENTS

ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE PERFORMED BY 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.Unplug unit.

3.Remove the hose by removing the hose clamp. 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.

Hose Clamp

Check

Valve

4.Unscrew the check valve (turn counter-clockwise) 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 hose and new hose clamp.

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

To Replace Regulator

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

2.Unplug unit.

3.Using an adjustable wrench or specified wrench remove the gauges (7/16" wrench), quick connect (13/16" wrench), and safety valve (9/16" wrench) from the regulator manifold.

Gauges

Safety		Quick
Valve	Regulator	Connect
	Manifold

1000001703 14 - ENG