Trinary pressure switch

Refit

1. Fit mounting bracket to receiver/dryer and tighten Allen screws.
2. Remove caps from new receiver/dryer.
3. Clean mating faces of trinary pressure switch and receiver/dryer.
4. Lubricate new ’O’ ring with refrigerant oil and fit to trinary pressure switch.
5. Fit trinary pressure switch to receiver/dryer and tighten to 12 Nm.
6. Clean receiver/dryer and air conditioning pipe connections.
7. Lubricate 2 new ’O’ rings with refrigerant oil and fit to air conditioning pipe connections.
8. Remove caps from air conditioning pipe connections.
9. Position receiver/dryer and connect air conditioning pipes.
10. Fit bolts securing air conditioning pipes to receiver/dryer and tighten to 5 Nm.
11. Align receiver/dryer mounting bracket to body, fit bolts and tighten to 10 Nm.
12. Connect multiplug to trinary pressure switch.
13. Fit front bumper. See BODY, Exterior fittings.
14. Recharge air conditioning system. See Adjustments.

TRINARY PRESSURE SWITCH

Service repair no - 82.20.86

NOTE: Because the receiver drier has to be replaced whenever the air conditioning system is opened, the trinary pressure switch is included in the procedure for renewing the receiver drier. See this section.