Service And Adjustments; To Replace Or Clean Check Valve; To Replace Regulator - Craftsman 919.195414 Manual De Instrucciones

ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE
TECHNICIAN.
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. 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.
Outlet
Tube
Pressure
Relief Tube
Check
Valve
5.
Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench. Note the
orientation for reassembly.

SERVICE AND ADJUSTMENTS

Risk of Unsafe
Operation. Unit
Nuts
Nut
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.
In open
position
nothing is
visible.
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.
11. 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. Set the Auto/Off lever to "Off" and
unplug unit.
3. Using an adjustable wrench
remove the gauges and quick
connect from the regulator.
regulator
Gauges
Quick
Connect
22- ENG
Screwdriver
In closed position
disc is visible.