Hose/Line HVAC: Service and Repair

1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system.




3. Remove the parts, depending on pipe and hose to be removed.

CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.

KJ:

KL:

4. Remove in the order indicated in the table. Do not allow compressor oil to spill. Immediately plug all open fittings to keep moisture out of the system.
5. Install in the reverse order of removal.
6. Perform the refrigerant system performance test.

Refrigerant Lines Removal Note
Loosen the nut using 2 spanners, then remove the cooler pipe or hose.

Refrigerant Lines Installation Note
1. When installing a new cooler pipe or hose, add ATMOS GU10 compressor oil into the refrigeration cycle.

Supplemental amount
10 ml {10 cc, 0.3 fl oz}

2. Apply compressor oil to the O-rings and connect the joints.
3. Tighten the joints.
1. Tighten the nut or bolt of the joint by hand.
2. Tighten the joint to the specified torque.
- If it is a nut joint, tighten the nut using a spanner and torque wrench.