Trinary pressure switch - ’l’ series

8. Remove trinary pressure switch.
9. Remove and discard ’O’ ring from trinary pressure switch.
10. Loosen 2 Allen screws securing mounting bracket to receiver drier.
11. Remove mounting bracket from receiver drier.

Refit

1. Fit mounting bracket to receiver drier and secure with Allen screws.
2. Clean mating faces of trinary pressure switch and receiver drier.
3. Lubricate new ’O’ ring with refrigerant oil and fit to trinary pressure switch.
4. Fit trinary pressure switch to receiver drier and tighten to 12 Nm.
5. Clean receiver drier and air conditioning pipe connections.
6. Lubricate new ’O’ rings with refrigerant oil and fit to air conditioning pipes.
7. Remove plugs from air conditioning pipes.
8. Position receiver drier to body, fit bolts and tighten to 9 Nm.
9. Connect air conditioning pipes to receiver drier.
10. Fit bolts securing air conditioning pipes to receiver drier and tighten to 5 Nm.
11. Connect multiplug to trinary pressure switch.
12. Recharge air conditioning system. See Adjustments.

TRINARY PRESSURE SWITCH - ’L’ SERIES

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.