Expansion Block/Orifice Tube: Service and Repair
TOOLS REQUIRED^ J 38042 Dual O-Ring Tube Separator
^ J 39400 Electronic Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
2. Loosen the O-ring joint.
3. Using the J 38042, separate the tubing halves.
4. Remove the expansion tube.
INSTALLATION PROCEDURE
1. Lubricate the O-ring with 525 refrigerant.
2. Install the expansion tube.
3. Connect the O-ring joint.
NOTE: Refer to Fastener Notice in Service Precautions.
4. Tighten the dual O-ring joint.
Tighten
Tighten the dual O-ring joint to 24 N.m (18 lb ft).
5. Reposition the tube to its original position.
6. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
7. Leak test the fittings of the repaired or replaced component using J 39400.