412-00-48 Climate Control System — General Information 412-00-48
GENERAL PROCEDURES
Air Conditioning (A/C) System Evacuation and Charging (34 620 2)
General Equipment
Service unit
WARNING: Observe "Health and Safety
Rules". For additional information,
refer to Section 100-00
.
CAUTION: The refrigerant detector must
be used before evacuation; otherwise,
the service unit may become contami-
nated. Contaminated refrigerant must be
disposed of as hazardous waste. Al-
ways follow the manufacturer instruc-
tions when using the service units.
1. Remove the protective caps of the filler
valves and connect the service unit leads to
the filler valves.
• Pull back the lock on the quick-release
connector.
1. Larger inside diameter for high-pressure
side.
2. Smaller inside diameter for low-pressure
side.
2.
WARNING: Avoid releasing the
refrigerant into the atmosphere at all
costs.
Drain the air conditioning system through
the low-pressure port in accordance with
the service unit manufacturer instructions.
3. NOTE: The air conditioning system has to be
evacuated for approximately 30 minutes in
order to make sure that the system will work
perfectly again once refilled.
NOTE: If moisture has entered the open system
over an extended period of time (several hours),
install a new accumulator / dryer and extend the
evacuation time to 2-3 hours.
Evacuate the air conditioning system in
accordance with the service unit
manufacturer instructions.
E6815 EN 07/2001 2002 Bantam
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