Tools Required

1. Remove the condenser tube. Refer to Condenser Tube Replacement .
2. Use J 26549-E in order to remove the expansion (orifice) tube.




Important: DO NOT use any solvents or chemicals to clean the porous plastic inlet filter of the expansion (orifice) tube .

3. Inspect the expansion (orifice) tube for the following conditions and clean or replace with a new tube as indicated:

•	Broken plastic frame (1); replace the tube.

•	Inlet filter (3) damaged or plugged with fine gritty material; replace the tube.

•	Inlet filter (3) coated with metal chips, flakes, or slivers; remove the coating with low pressure shop air ONLY and reuse if the filter is cleaned satisfactorily. Do NOT reuse the O-ring seals (2).

Important: Lubricate the new O-ring seal (2) with mineral base 525 viscosity refrigerant oil.

1. If you reuse the orifice tube, install the new O-ring seals (2).
2. Carefully grasp the edge of the expansion (orifice) tube (1) without touching the inlet filter (3) and insert the expansion tube into the condenser tube until fully seated.
3. Install the condenser tube. Refer to Condenser Tube Replacement .
4. Leak test the fittings of the component using J 39400-A .