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AIR COMPRESSOR HEAD BOLTS - TORQUING
The air compressor pump head bolts should be kept properly torqued. Check
the torques of the head bolts after the first five hours of operation. Retighten if
necessary. See Parts List for torque specifications.
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
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 orientation 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 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 nuts.
10. Replace the outlet tube and tighten nuts.
11. Perform the Break-in Procedure. See "Break-in Procedure" in the Operation
section.
ADDITIONAL SERVICE
Disassembly or service of the air compressor beyond what is covered in this
manual is not recommended. If additional service is required, contact your
nearest Authorized Warranty Service Center.
Screwdriver
In open
position
nothing is
visible.
In closed position
disc is visible.
19-ENG
1000003897
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