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14 - ENGA18760
To Replace or Clean Check
Valve
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug unit.
3. Remove the hose by removing
the hose clamp. NOTE: The hose
clamp is not reusable. You must
purchase a new hose clamp, see
the Parts List Manual or purchase
a standard hose clamp at a local
hardware store.
4. Unscrew the check valve (turn
counter-clockwise) using a
socket wrench.
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 hose and new hose
clamp.
SERVICE AND ADJUSTMENTS
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.
ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE TECHNICIAN.
8. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
To Replace Regulator
1. Release all air pressure from air
tank. See "To Drain Tank" in the
Maintenance section.
2. Unplug unit.
3. Using an adjustable wrench or
specified wrench remove the
gauges (7/16" wrench), quick
connect (13/16" wrench), and
safety valve (9/16" wrench) from
the regulator manifold.
Safety
Valve
Regulator
Manifold
Gauges
Quick
Connect
4. Remove the hose by removing
the hose clamp. NOTE: The hose
clamp is not reusable. You must
purchase a new hose clamp, see
the Parts List Manual or purchase
a standard hose clamp at a local
hardware store.
Check
Valve
Hose Clamp