Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .



2. Disconnect the evaporator inlet tube (2) from the evaporator.



3. Remove the retaining nut (1) from the A/C line bracket.



4. Remove the retaining nut (3) from the bracket.
5. Tilt the cab. Refer to Cab Tilting .



6. Remove the retaining bolt (1) from the receiver dryer.
7. Remove the O-ring.
8. Remove the sealing washer.

1. Replace the O-ring. Refer to O-Ring Replacement .
2. Replace the seal washer. Refer to Sealing Washer Replacement .

Notice: Refer to Fastener Notice in the Preface section.




3. Install the retaining bolt (1) to the receiver dryer.

Tighten
Tighten the fitting to 15 N·m (11 lb ft).

4. Tilt the cab. Refer to Cab Tilting .



5. Connect the evaporator inlet tube fitting (1) to the evaporator.

Tighten
Tighten the fitting to 32 N·m (24 lb ft).

6. Install the evaporator inlet tube to the bracket.



7. Install the A/C line bracket nut (1).

Tighten
Tighten the nut to 30 N·m (22 lb ft).




8. Install the retaining nut (3) to the evaporator inlet tube bracket.

Tighten
Tighten the nut to 30 N·m (22 lb ft).

9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
10. Leak test the fittings of the components using the J 39400-A .