Mitsubishi 3000GT 1991, Service Manual, Page: 1095 / 1146

HEATERS AND MANUAL AIR CONDITIONER
. .
Adaptor valve
Vacuum meter
T-joint
the engine.
the air conditioner and set at the lowest tempera-
ture (MAX. COOL).
the engine speed at 1,500 rpm.
the low pressure side adaptor valve and open the
service valve to charge specified amount of refrigerant.
Caution
If the service can is inverted, liquid refrigerant may be
drawn into the compressor damaging it by liquid
compression. Keep the service can upright to ensure
that refrigerant is charged in gas state.
completion of charging, turn back the low pressure
side adaptor valve handle all the way and close the service
valve.
CHARGING WITH REFRIGERANT RECOVERY AND RE-
CYCLING UNIT
When using refrigerant recovery and recycling unit, follow
carefully the instruction manual for the unit.
REMOVAL OF CHARGE EQUIPMENT
(1) Close the charge
(2) Remove the adaptor valve from each service valve.
(3) Remove the vacuum pump.
Caution
Do not remove the service can, T-joints and adaptor
valves but keep them connected for next charge
o p e r a t i o n .
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