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17- ENG
A08202
To Replace or Clean Check Valve
1. Release all air pressure from air tank. See "To Drain Tank" in the
"Maintenance" section.
2. Unplug outfit.
3. Remove shrouds.
4. Using an adjustable wrench loosen
outlet tube nut at air tank and pump.
Carefully move outlet tube away from
check valve.
5. Using an adjustable wrench loosen
pressure relief tube nut at air tank
and pressure switch. Carefully move
pressure relief tube away from check
valve.
6. Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench.
Note
the
orientation for reassembly.
7. 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.
8. Clean or replace the check valve. A solvent, such as paint or varnish
remover can be used to clean the check valve.
9. Apply sealant to the check valve threads. Reinstall the check valve (turn
clockwise).
10. Replace the pressure release tube. Tighten nuts.
11. Replace the outlet tube and tighten nuts.
12. Replace shrouds.
13. Perform the Break-in Procedure. See "Break-in Procedure" in the
"Operation" section.
Outlet Tube
Check
Valve
Nut
Nut
Pressure
Relief Tube
In closed position
disc is visible.
In open position
nothing is visible.
Screwdriver
Содержание CPF4515
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