Encore electronic (66-501-1) Service and Adjustments, To Replace or Clean Check Valve

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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 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 counterclockwise) using a socket wrench.

Check Valve

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.

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

A08591

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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 What Could HappenAttachments & Accessories Your 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 GlossaryAssembly InstallationLocation 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 ValveScrewdriver 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 AIR Compressor Diagram Part Number Description Parts ListAIR Compressor Pump Diagram Not Illustrated Key DescriptionResponsibility of Original Purchaser initial User Limited Warranty
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