Operation CHARM: Car repair manuals for everyone.

Receiver Dryer: Service and Repair



Removing And Installing Desiccator

Tools







Preliminary work
Remove refrigerant by suction.

Removing desiccator

WARNING: Danger of injury. Safety regulations should be strictly observed when working on air-conditioned vehicles and dealing with refrigerant.

NOTE: The dryer is in the capacitor, on the right-hand side.

1. Remove air filter lid.







2. Unscrew rubber grommet on condenser -arrow A- and remove upwards -arrow B-.







3. -A- Using a slide hammer kit NR.168, push plug down and turn Seeger ring until accessible from air filter.







4. Using Seeger ring pliers NR.70 remove Seeger ring -B-.
5. Screw hexagonal screw into plug and pull plug out in upward direction using slide hammer set NR.168.







6. Lift dryer out in upward direction.







Installing desiccator

NOTE:
- The dryer must be replaced if the system suffers from operational faults (e.g. accident damage or air-conditioning system depressurised).
- Used refrigerant oil extracted from a previously run A/C unit must not be re-used.

1. Replace O-ring on plug and wet with refrigerant oil.
2. Push dryer into condenser.







3. Position plug and push down with a slide hammer set NR.168.







4. Install the snap ring using snap ring pliers NR.70.







5. Place rubber stopper on plug -arrow A- and screw in -arrow B-.







6. Install air filter lid.
7. Determine the quantity of the refrigerant oil and fill up again with refrigerant oil (volume removed by suction + 20 cu.cm).

Subsequent work
Fill in refrigerant.