9000 L4-2290cc 2.3L DOHC (1991)
Schematic Diagram For Robinair With Automatic Control
Action
1. Check the operation of the A/C system as follows:
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Carry out a performance test. Refer to "Cooling Performance Test, A/C System". See: Testing and Inspection
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Carry out leak detection procedure Repair any system faults or damage in conjunction with conversion when the A/C system has been drained
of refrigerant.
2. Drain the A/C system of refrigerant. Note the amount of compressor oil that is drained.
3. Repair any damage to the A/C system.
4. Remove the cover over the bulkhead space.
5. Remove the expansion valve's sensitive element and heat it in hot water to max. 50 °C (122 °F).
6. Connect the blue hose from the pressure gauge set to the service nipple on the flushing station.
7. Remove the Schrader valves and Schrader openers in the A/C system and on the equipment so that a free flow is obtained when flushing.
8. Connect one end of the blue low-pressure hose to the high-pressure side of the compressor.
9. Connect the other end of the blue low-pressure hose to the high-pressure side of the compressor.
