Delta OILLUBE AIR COMPRESSOR DLKC6580V2 User Manual download pdf (Page 20)

20-ENGD25235

SERVICE AND ADJUSTMENTS

Unit cycles automat-

ically 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. Turn air compressor off, lock out

the power supply, and relieve all

air pressure from the air tank.

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 ori-

entation for reassembly.

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 var-

nish remover can be used to

clean the check valve.

8. Apply sealant to the check valve

threads. Reinstall the check valve

(turn clockwise).

9. Replace the pressure release

tube. Tighten nuts.

10. Replace the outlet tube and

tighten nuts.

11. Perform the Break-in Procedure.

See "Break-in Procedure" in the

Operation section.

In closed position

disc is visible.

In open

position

nothing is

visible.

Screwdriver

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