DeWalt A08184 Service and Adjustments, Air Compressor Pump Intake and Exhaust Valves

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If it is dirty, replace it with a new filter. On some models,the filter may be removed by using a pair of needle nose pliers or a screwdriver. Pull or pry out the old filter and carefully clean the filter area. Push in the new air filter.

Air Compressor Pump Intake and Exhaust Valves

Once a year have a Trained Service Technician check the air compressor pump intake and exhaust valves.

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 A TRAINED SERVICE TECHNICIAN.

Before servicing:

Unplug or disconnect electrica 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.

3.Using an adjustable wrench, loosen outlet tube nut at air tank and pump. Carefully move outlet tube away from check valve.

4.Using an adjustable wrench, loosen pressure relief tube nut at air tank and pressure switch. Carefully move pressure relief tube away from check valve.

5.Unscrew the check valve (turn counterclockwise) using a 7/8" open end wrench. Note the orientation for reassembly.

Outlet Tube

Nut

 

Pressure

 

Relief

Check

Tube

Valve

 

Nut

 

6.Using a screwdriver, carefully push the valve disc up and down. NOTE: The valve disc should move freely up and down on a spring which holds the valve disc in the closed position; if not the check valve needs to be cleaned or replaced.

7.Clean or replace the check valve. A solvent, such as paint or varnish remover can be used to clean the check valve.

Screwdriver

In open position nothing is visible.

In closed position disc is visible.

A08184

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Contents Oil-Free Air Compressor Safety Guidelines Definitions Important Safety InstructionsHazard Attachments & Accessories Electricity. Like any other electrically Hazard Warning Risk from Moving Parts Equip area of operation with a fire extinguisher Specifications AccessoriesGlossary Duty CycleUnpacking Tools Required for AssemblyAssemble Wheels Installation Location of the Air CompressorExtension Cords Voltage and Circuit ProtectionKnow Your Air Compressor OperationDescription of Operation How to Stop Before StartingMaintenance How to StartBefore Each Start-Up Customer ResponsibilitiesAir Filter Inspection and Replacement To Check Safety ValveTo Drain Tank To Replace or Clean Check Valve Service and AdjustmentsAir Compressor Pump Intake and Exhaust Valves To Replace Regulator Storage Troubleshooting Problem Cause CorrectionBeing used Check wiring connection AIR Compressor Diagram Parts List Key Part Number DescriptionAIR Compressor Pump Diagram KEY Part Description Limited Warranty