SPRING 9L6626 - Caterpillar

Removal Procedure
Personal injury can result from contact with refrigerant.Contact with refrigerant can cause frost bite. Keep face and hands away to help prevent injury.Protective goggles must always be worn when refrigerant lines are opened, even if the gauges indicate the system is empty of refrigerant.Always use precaution when a fitting is removed. Slowly loosen the fitting. If the system is still under pressure, release it slowly in a well ventilated area.Personal injury or death can result from inhaling refrigerant through a lit cigarette.Inhaling air conditioner refrigerant gas through a lit cigarette or other smoking method or inhaling fumes released from a flame contacting air conditioner refrigerant gas, can cause bodily harm or death.Do not smoke when servicing air conditioners or wherever refrigerant gas may be present.Use a certified recovery and recycling cart to properly remove the refrigerant from the air conditioning system.
Do not use Polyalkylene Glycol (PAG) oil in the compressor. Use Polyol Ester (POE) oil. The use of any other oil will cause rapid dielectric failure of the compressor.
Raise the hood by activating the switch. Turn off the disconnect switch after the hood has been raised.
Turn the battery disconnect to the off position.
Remove the panel on the left side of the engine.
Recover the refrigerant. Refer to Service Manual, SENR5664, "Air Conditioning and Heating R-134a Refrigerant for All Caterpillar Machines" for the recovery and the charging procedure. Refer to Special Publication, NENG2500, "Air Conditioning Tools" for the correct tools.
Remove the serpentine belt. Refer to Operation and Maintenance Manual, "Belts - Inspect / Adjust / Replace".
Illustration 1 g06080752
Disconnect harness assembly (1).
Disconnect hose assemblies (5).
Remove bolts (2).
Remove bolts (4).
Remove refrigerant compressor (3).Installation Procedure
Install refrigerant compressor (3) in the reverse order of removal.