Delta CP503 Service and Adjustments, To Replace or Clean Check Valve, Outlet Tube

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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 electrica supply to the air compressor.

•Bleed tank of pressure.

•Allow the air compressor to coo.

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 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.

Check

Valve

Screwdriver

In open position nothing is visible.

In closed position disc is visible.

8.Perform the Break-in Procedure.

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

15- ENG

A08200

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Contents Oil-Free Air Compressor Death or serious injury Safety Guidelines DefinitionsImportant Safety Instructions Death or serious injury Or moderate injuryAlways remain in attendance with HazardWhat Could Happen Attachments & AccessoriesYour specific application Electricity. Like any other electricallyRepairs attempted by unqualified To human consumptionHazard Warning Risk from Moving Parts Result in serious burns How To Prevent ItEquip area of operation with a fire extinguisher Keep children away from the air compressor at all timesDuty Cycle SpecificationsAccessories GlossaryInstallation Assembly for Tank unitsLocation of the Air Compressor Extension Cords Grounding InstructionsVoltage and Circuit Protection Check Valve OperationKnow Your Air Compressor Description of Operation RegulatorBefore Each Start-Up Before StartingCustomer Responsibilities MaintenanceHow to Start To Check Safety ValveCheck Valve Screwdriver Open position nothing is visible Service and AdjustmentsTo Replace or Clean Check Valve Outlet TubeTo Replace Regulator StorageProblem Cause Correction TroubleshootingBeing used Problem Cause Correction Limited Warranty
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