compression ratio MITSUBISHI 3000GT 1991 User Guide

HEATERS AND MANUAL AIR CONDITIONER - Service AdWment proceres 55-13. .
Charginglose
\Adaptor valve
Vacuum meter
T-joint
20M0121
(1O)Start the engine.(1l)Operate the air conditioner and set at the lowest tempera-
ture (MAX. COOL).
(12)Fix the engine speed at 1,500 rpm.
(13)Tighten 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 bedrawn into the compressor damaging it by liquid
compression. Keep the service can upright to ensurethat refrigerant is charged in gas state.
(14)Upon 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 UNITWhen using refrigerant recovery and recycling unit, follow
carefully the instruction manual for the unit.
REMOVAL OF CHARGE EQUIPMENT(1) Close the charge
valve:(2) Remove the adaptor valve from each service valve.
(3) Remove the vacuum pump.
CautionDo not remove the service can, T-joints and adaptor
valves but keep them connected for next charge
operation.
1 TSB Revision1