Refrigerant Temperature Sensor: Service and Repair

AR83.30-P-5431T Remove/Install Refrigerant Pressure and Temperature Sensor

Illustrated on model Series 211.070:

DANGER:
- Risk of explosion from welding or soldering work on closed air conditioning system. Risk of poisoning. Inhaling overheated refrigerant vapors may be toxic. Risk of injury. Contact with liquid refrigerant may result in injury to the skin and eyes.
- Do not carry out any welding work on the closed air conditioning system or in the surrounding area. No smoking or open flames. Wear eye protection and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been discharged.

CAUTION: Protect air conditioning circuit and components from moisture when carrying out repair work.

1 Disconnect ground cable of battery
2 Drain air conditioning (recycle)

NOTE: Note quantity of extracted compressor oil.

CAUTION: Installation: If the compressor is filled with the incorrect quantity of oil the refrigerant compressor may be damaged.

NOTE: Installation: Air conditioning, evacuate and when filling the air conditioning add the noted quantity of compressor oil to the refrigerant circuit (new compressor oil). Check air conditioning system for leakage.

3 Remove intake hose (1)
4 Disconnect electrical connector (2) from refrigerant pressure and temperature sensor (B12/2)
5 Counterhold refrigerant line and unscrew refrigerant pressure and temperature sensor (B12/2)

NOTE: Seal line openings, otherwise dirt and moisture may penetrate.

- Set of plugs for air conditioning system
See "Commercially Available Tools" given below.

NOTE: Installation: Replace sealing rings and moisten thread with compressor oil.

- Refrigerant pressure sensor to receiver/drier: 7 N.m

6 Replace receiver/drier
7 Install in the reverse order.

Commercially Available Tools

Commercially Available Tools: