|
|
87-100
A/C pressure switch -F129-, checking
Notes:
The presence of -F129- is engine dependant. Where -F129- is not used, high pressure sensor
Page 87-85 .
Always confirm system use of either -F129 G65- and applicable wiring circuit using
The pressure switch can be removed without
- Visually check that O-ring 10,8 mm x 1,8 mm is positioned correctly in the groove. Switch part between terminals 1 and 2 switches off the A/C clutch -N25- when the system pressure is Switch part between terminals 3 and 4 switches Switch opens when the pressure is below 1.2 bar and closes again above 2.4 bar (switch Switch opens above 32 bar and closes again below 24 bar (switch point). Switch closes above 16 bar and opens again below 12.5 bar (switch point). A/C refrigerant system, servicing 13/2/2005 |