Service And Adjustments - Ex-Cell E7540 Guide D'utilisation

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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 near-
est Authorized Warranty
A18791

SERVICE AND ADJUSTMENTS

In open
position
nothing is
visible.
20-ENG
Screwdriver
In closed position
disc is visible.

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