Mitsubishi 3000GT Service Manual page 1237

COMPRESSOR CHECK
After running the compressor for five minutes, check whether the following items are proper or not.
Pressure on
Case the high-
pressure side
Case 1 Saturated
pressure of
open air
Case 2
28.4-71.1 psi
Case 3 Nearly saturated pressure of
open air
Case 4
NOTE
(1) Saturated pressure of open air
Temperature "C ("F)
Saturated of
pressure open
air
(2) For the performance testing procedure, refer to P.5525.
(3) *l means that the compressor is locked in the full load state (100% delivery).
(4) *2 means that the compressor is locked in the full capacity control (delivery rate: 0) state.
HEATERS AND MANUAL
AIR CONDITIONING
Pressure on
Performance
the low-
test
pressure side
150-200 kPa Acceptable
21.3-28.4 psi
100 kPa or Acceptable
less
14.2 psi or less
Rejected
Rejected
20 (68)
15 (59)
400 470
(56.9) (66.8)
TSB Revision
Probable
Criteria
cause
Proper
Abnormal Faulty com-
The magnet pressor*'
clutch is fre-
quently turned
on and off.
The difference Faulty com-
between the
high and low
pressures is
not observed'.
Abnormal Clogged ex-
Blow-out tem- pansion valve
perature is
high.
35 (95)
25 (77) 30 (86)
650
560
(79.7) (92.5) (108.1)
Remedy
Replace com-
pressor.
Replace ex-
pansion valve.
40 (104)
870
760
(123.7)