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 |
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1. | Release all air pressure from air tank. See To |
| Outlet |
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| Drain Tank in the Maintenance section. |
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2. | Unplug air compressor. | Pressure | |||
3. | Using an adjustable wrench loosen outlet | ||||
Relief Tube | |||||
| tube nut at air tank and pump. Carefully | ||||
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| move outlet tube up away from check |
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| valve. |
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4.Using an adjustable wrench loosen pressure relief tube nut at air tank. Carefully move
pressure relief tube away from check valve.
5.Unscrew the check valve (turn
counterclockwise) using a 7/8" open | Check |
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end wrench. Note the orientation for | Nut | |
reassembly. | Valve | |
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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 | Screwdriver | |
check valve needs to be cleaned or | In open | |
replaced. | position | |
7. Clean or replace the check valve. | nothing is | |
A solvent, such as paint or varnish | visible. | |
In closed position | ||
remover can be used to clean the | ||
check valve. | disc is visible. | |
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8.Apply sealant to the check valve threads. Reinstall the check valve (turn clockwise).
9.Replace the pressure release tube. Tighten nut.
10.Replace the outlet tube and tighten nuts.
11.Perform the
To Replace Regulator
1.Release all air pressure from air tank. See To Drain Tank in the Maintenance section.
2.Set the Auto/Off lever to "Off" and unplug unit.
3.Using an adjustable wrench remove the gauges and quick connect from the regulator.
Regulator
Gauges
Quick
Connect
22- ENG
