Mitsubishi Stealth 1994 Import Service Manual page 1206

24-14
HEATERS AND MANUAL AIR CONDITIONING -
the charging valve to the service can.
(17)Turn the handle of the adaptor valve back all the way (valve
closed), remove it from the gauge manifold and install the
service can.
(18)Tighten the handle of the charging valve (valve closed) to &
puncture the service can.
tighten the handle of the adaptor valve (valve open) to
charge the system with 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.
adaptor valve back all the way (valve closed).
(21)Check for gas leaks using a leak detector.
If a gas leak is detected, re-tighten the connections, and
then repeat the charging procedure from evacuation in step
Caution
A leak detector designed for R-134a should be used.
(22)Start the engine.
(25)Tighten the handle of the adaptor valve (valve open) to
charge the required volume 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.
(26)After charging with refrigerant, turn the handle of the
adaptor valve back all the way (valve closed).
(27)Tighten the charging valve handle (valve closed).
Remove the quick joint (for low pressure) from the
low-pressure service valve.
NOTE
If the service can is not emptied, completely, keep the
handles of the charging valve and adaptor valve closed for
the next charging.
Service Adjustment Procedures