Expansion Block/Orifice Tube: Service and Repair

EXPANSION (ORIFICE) TUBE

Expansion Tube Installation:

Tools Required:
J 26549-E Expansion Tube Remover
J 38042 Dual O-Ring Joint Separator
J 39500 Air Conditioning Refrigerant Recovery, Recycling and Recharging (ACR4) System

Remove or Disconnect

1. Recover refrigerant from A/C system.
2. Condenser outlet dual O-ring joint using J 38042.
3. Evaporator inlet dual O-ring joint using J 38042.
4. A/C line clips.
5. Expansion tube from line using J 26549-D.

Install or Connect

1. New expansion tube, with long screen toward condenser.
2. A/C line clips after positioning line.
3. Assemble evaporator inlet and condenser outlet dual O-ring joints simultaneously (hand tight) to assure correct line orientation, then tighten connections to specifications.

Tighten
^ Dual O-ring joint connections to 24 Nm (18 lb. ft.).

4. Evacuate, charge and leak test A/C system.