Performance Test - Mitsubishi 3000GT 1991 Service Manual

HEATERS AND MANUAL AIR CONDITIONER -
Garage amb;in,L;am-
perature
(32.0 0.0 - - 3.0 37.4)
perature Discharge air "C tem- ("F)
Compressor pressure kPa discharge (psi) (98.1 690 - - 105.3) 740
Compressor suction
(18.5 - 27.5)
pressure kPa (psi)

PERFORMANCE TEST

the direct sunlight.
(2) Connect a tachometer.
(3) Turn back the adaptor valve handle all the way and install
the adaptor valves to the high pressure and low pressure
service valves.
(5) Tighten the adaptor valve handle and open the service
valves.
(6) Start the engine.
(7) Set the controls to the air conditioner as follows:
Air conditioning switch: Air conditioner - ON position
Mode selection: Face position
Temperature control: MAX. COOL position
Air selection: Recirculation position
Blower switch: HI (Fast) position
(8) Adjust engine speed to 1,000 rpm with air conditioner
clutch engaged.
(9) Engine should be warmed up with doors, windows close,
and hood open.
operate the engine for 20 minutes.
NOTE
If the clutch cycles, take the reading before the clutch
disengages.
Performance Temperature Chart
21 (70)
26.7 (80)
(33.8 1.0 - - 4.0 39.2)
(110.9 780 - - 830 118.1)
130 - 190
(18.5 - 27.5)
REFRIGERANT LEAK REPAIR PROCEDURE
LOST CHARGE
If the system has lost all charge due to a leak:
(2) Charge the system with approximately one pound of
refrigerant.
(3) Check for leaks.
(4) Discharge the system.
(5) Repair leaks.
(6) Replace receiver drier.
Caution
Replacement filter-drier units must be sealed while in
storage. The drier used in these units will saturate
water quickly upon exposure to the atmosphere. When
installing a drier, have all tools and supplies ready for
quick reassembly to avoid keeping the system open
any longer than necessary.
(7) Evacuate and charge the system.
TSB Revision
Service Adjustment Procedures 55 15
32.2 (90) 37.8 (100)
(33.8 1.0 - - 4.0 39.2) (33.8 1.0 - - 4.0 39.2)
(153.6 1,080 - - 1,130 160.7)
(123.7 870 - - 920 130.9)
130 - 190
(18.5 - 27.5) (18.5 - 27.5)
43.3 (110)
(35.6 2.0 - - 41.0) 5.0
(172.1 1,210 - - 1,260 179.2)
(18.5 - 27.5)