Mitsubishi 3000GT Service Manual page 1240

HEATERS AND MANUAL
AIR CONDITIONING
Adaptor valve (1) Adaptorvalve (2)
(High pressure)
(Low pressure)
UP
Service valve
Refrigerant line
or compressor
Charging hose
Chargevalve (4)
Service can
Adaptor valve (2)
Adaptor valve (1)
(Low pressure) (High pressure)
(6) Turn the charge valve (4) handle back (valve open), and
attach it to the service can.
(7) Turn the adaptor valve (3) handle back fully (valve shut),
remove the vacuum meter and attach the service can.
(8) Tighten the charge valve (4) handle to puncture the service
(9) Eyn the charge valve (4) handle back (valve open), tighten
the handle of adaptor valve (3) fully (valve open), and
charge with refrigerant.
(lO)lf the refrigerant is not drawn in, turn the adaptor valve
(1) handle all the way counterclockwise (valve shut).
ture (MAX. COOL).
(14)Fix the engine speed at 1,500 rpm.
(15)Turn the adaptor valve (1) handle fully clockwise (valve
open).
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.
(16)After charging with refrigerant, turn the adaptor valve
(1) handle fully counterclockwise (valve shut).
CHARGING WITH REFRIGERANT RECOVERY AND
RECYCLING UNIT
When using refrigerant recovery and recycling unit, follow
carefully the instruction manual for the unit.
CHARGE EQUIPMENT REMOVAL
(1) Close the charge valve (4) (valve shut).
(2) Remove the adaptor valve (1) and (2) from each service
valve.
(3) Remove the vacuum pump.
Caution
If some refrigerant is remaining, keep the charge valve
(4) and adaptor valves (1) and (3) connected to the
service can until after the next operation.
(4) Remove the charge valve (4).
(5) Remove the adaptor valve (3).
(6) Remove the adaptor valve (1).
(7) Remove the adaptor valve (2).
(8) Remove the vacuum pump.
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