REFRIGERANT HOSES AND TUBING INSPECTION
hose and tube connections. Dip O-rings in correct
When a component is disconnected from the system,
viscosity oil before assembling.
special care should be given to inspecting hoses and
tubing for moisture, grease, dirt, rust, or other foreign
IMPORTANT: Hose used for air conditioning
systems contains special barriers in
tubing, or fittings and cannot be removed by cleaning,
its walls to prevent migration of
then replace parts.
Fittings that have grease or dirt on them should be
DO NOT use hydraulic hoses as
wiped clean with a cloth dampened with alcohol.
replacement hoses in the air
Chlorinated solvents (such as trichloroethylene) are
conditioning system. Use ONLY
certified hose meeting SAE J51B
To assist in making leak-proof joints, use a small
amount of clean correct viscosity refrigerant oil on all