Low Pressure Sensor / Switch: Service and Repair

Removal

Pressure Switch With Cone Seal:

1st Version Pressure Switch with Cone Seal

Pressure Switch With O-Ring Seal:

2nd Version Pressure Switch with 0-ring Seal

1. Evacuate a/c system. SEE Heating and Air Conditioning. Procedures
2. Pull off electric lines and remove pressure switch(13) from receiver drier (17).
3. Close connection on receiver drier with plug.

Installation


NOTE: For safe sealing of pressure switch 1st version (cone seal), a copper ring (13) 7/16 in., part no. 000 835 O5 98, can be used.

1. Moisten 0-ring or sealing cone and threads with cold-flowing oil.
2. Install pressure switch (13) into receiver drier (17) and plug-on electric lines.
3. Evacuate A/C system and refill.SEE Heating and Air Conditioning. Procedures
4. Check function.