Service And Adjustments - Craftsman 919.724701 Mode D'emploi

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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. Set the On/Auto/Off lever to
"OFF" and unplug unit.
3. Remove the regulator ring and
Regulator
Ring
remove the console cover.
4. Remove shrouds.
5. Using an adjustable wrench
loosen outlet tube nut at air tank
and pump. Carefully move outlet
D27610
Outlet Tube
Pressure
Relief
Tube
tube up away from check valve.
6. Using an adjustable wrench
loosen pressure relief tube nut at
air tank and pressure switch.
Carefully move pressure relief
tube away from check valve.
7. Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench. Note the
orientation for reassembly.
8. Using a screwdriver, carefully
push the valve disc up and
down. NOTE: The valve disc
should move freely up and down
Cover
on a spring which holds the valve
disc in the closed position, if not
In open
position
nothing is
visible.
the check valve needs to be
cleaned or replaced.
9. Clean or replace the check valve.
A solvent, such as paint or
varnish remover can be used to
clean the check valve.
10. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
18- ENG
Nut
Check
Valve
Nut
Screwdriver
In closed position
disc is visible.