Filter
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15 - ENG
If it is dirty, replace it with a new filter.
1. Using a pair of needle nose pliers or a screwdriver pull or pry out the old
filter and carefully clean the filter area.
2. Push the new air filter in place.
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
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
Nut
Nut
Check
Valve
Pressure
Relief
Tube
Outlet
Tube
1. Release all air pressure from air tank. See To
Drain Tank in the Maintenance section.
2. Unplug air compressor.
3. Using an adjustable wrench loosen outlet
tube nut at air tank and pump. Carefully
move outlet tube up away from check
valve.
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
end wrench. Note the orientation for
reassembly.
6. Using a screwdriver, carefully push the valve
disc up and down. NOTE: The valve
In closed position
disc is visible.
In open
position
nothing is
visible.
Screwdriver
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.
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.