Expansion Valve: Service and Repair

EXPANSION VALVE

REMOVAL




1. Recover refrigerant by using recovery and recycling equipment. Be sure to follow the instruction for the equipment. The amount of compressor oil removed must be measured and the same amount added to the system.
2. Remove front grill.




3. Disconnect suction pipe, and receiver/dryer outlet pipe from evaporator (Cooling unit).

NOTE: As soon as above hose and pipe are disconnected, cap opened fittings so that moisture and dust may not enter cooling unit.




4. Disconnect suction pipe and receiver/dryer outlet pipe at each joint.
5. Remove pipe clamp then remove suction pipe and receiver/dryer outlet pipe.




6. Remove expansion valve.

INSTALLATION
Reverse removal sequence to install expansion valve.