Hose/Line HVAC: Service and Repair

REFRIGERANT LINE

REMOVAL AND INSTALLATION

Pre-removal And Post-installation Operation:

Removal Steps 1-11:

REMOVAL SERVICE POINT

[[A]] HOSE/PIPE DISCONNECTION

CAUTION: As the compressor oil and receiver are highly moisture absorbent, use a non-porous material to plug the hose and nipples.

To prevent the entry of other foreign bodies, plug the condenser, compressor, and expansion valve nipples.

[[B]] SUCTION PIPE AND SUCTION FLEXIBLE HOSE DISCONNECTION

CAUTION: As the compressor oil and receiver are highly moisture absorbent, use a non-porous material to plug the hose and nipples.




To disconnect the suction hose from the suction flexible hose, ft the lug on the suction pipe and twist the suction flexible hose union counterclockwise.

Plug the hose nipple to prevent entry of dust and dirt.

INSTALLATION SERVICE POINT

]]A[[ SUCTION HOSE INSTALLATION

1. When replacing the suction hose, refill them with a specified amount of compressor oil, and then install them.

Compressor oil: SUN PAG 56

Quantity: 10 cu.cm (0.3 fl.oz)




2. Align the white painting marks when connecting the flexible suction hose and the suction pipe.