Mitsubishi Eclipse 1990 Service Manual page 2050

HEATER, AIR
AND
CHARGING
1. With the handles turned in all the way (valve closed),
install the adaptor valve to the low-pressure
gauge manifold.
2. Connect the charging hose (blue) to the adaptor valve.
3. Connect the quick joint (for low-pressure) to the charging
hose (blue).
4. Connect the quick joint (for low-pressure) to the
sure service valve.
NOTE
The low-pressure service valve should be connected to
the suction hose.
Caution
1. Use tools that are designed for
2. To install the quick joint, press section A firmly
5. Close the high and low-pressure valves of the gauge
manifold.
6. Install the vacuum pump adaptor to the vacuum pump.
7. Connect the vacuum pump plug to the vacuum pump
adaptor.
8. Connect the charging hose (yellow) to the
tion port of the vacuum pump adaptor.
9. Tighten the adaptor valve handle (valve open).
10. Open the low-pressure valve of the gauge manifold.
11. Turn the power switch of the vacuum pump to the ON
position.
NOTE
Even if the vacuum pump power switch is, turned ON,
the vacuum pump will not operate because of the power
supply connection in step (7).
12. Turn the vacuum pump adaptor switch
side to start the vacuum pump.
Caution
Do not operate the
13. Evacuate to a vacuum reading of 100
or higher (takes approx. 10 minutes).
14. Turn the vacuum pump adaptor switch OFF and allow
to stand it for 5 minutes.
Caution
Do not operate the compressor in the vacuum condi-
tion; damage may occur.
15. Carry out a leak test. (Good if the negative pressure
does not drop.)
Caution
If the negative pressure (vacuum) is lost, check for
loose connections. Then, repeat the evacuation proce-
dure from step 12. If negative pressure (vacuum) is
still lost, add 1 lb of refrigerant and check system
using an
TSB Revision
On-vehicle Service
against the service valve until a click is heard.
When connecting, run your hand along the hose
while pressing to ensure that there are no bends
in the hose.
compatible leak detector.
of the
connec-
the
during evacuation.
(29.5