Consult laws in your area before servicing the air conditioning system. In most areas it is illegal to perform repairs involving refrigerant unless the work done by a certified technician
Discharging the air conditioning system is required before the system is opened during service. refer to General Information & Maintenance for discharging and charging information and proper procedures.
DO NOT service the air conditioning system unless you are equipped with the necessary tools and training. The refrigerant, R-12, is extremely cold when compressed, and when released into the air will instantly freeze any surface it contacts, including your eyes.