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 TM9-4120-423-14&P
REMOVAL
Pressure Relief Valve.
SCREW
CLAMP
PRESSURE
RELIEF
VALVE
1
Discharge the Refrigerant R-22 system per WP0070.
2
Using screwdriver, remove screw and clamp from top of coil housing.
3
Use two wrenches. Hold fitting so that it is not twisted, and unscrew pressure relief valve.
INSTALLATION
1
Apply antiseize tape to threads of valve.
2
Use two wrenches. While holding adapter fitting, screw pressure relief valve in place.
3
Using screwdriver, secure relief valve adapter with screw and clamp.
4
Replace the dehydrator. (See WP0080).
5
Leak test all newly connected joints and those in the repair area. (See WP0073).
0087 00-2
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