Mitsubishi Galant (2004+). Manual — part 786
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-283
INSTALLATION SERVICE POINT
.
>>A<< COMPRESSOR INSTALLATION
If a new compressor is installed, first adjust the amount of oil
according to the procedures described below, and then install
the compressor.
1. Measure the amount [X cm
3
(X fl.oz) of oil within the
removed compressor.
2. Drain (from the new compressor) the amount of oil
calculated according to the following formula, and then
install the new compressor.
New compressor oil amount = 140cm
2
(4.7 fl.oz)
140 cm
3
− X cm
3
= Y cm
3
(4.7 fl.oz.
− X fl.oz. = Y fl.oz)
NOTE: Y cm
3
(Y fl.oz) indicates the amount of oil in the refrig-
erant line, the condenser, the evaporator, etc.
NOTE: When replacing the following parts at the same times as
the compressor, subtract the rated oil amount of each part from
Y cm
3
(Y fl.oz) and discharge from the new compressor.
Quantity:
Evaporator: 60 cm
3
(2.0 fl.oz)
Condenser: 15 cm
3
(0.5 fl.oz)
Suction hose: 10 cm
3
(0.3 fl.oz)
Receiver: 10 cm
3
(0.3 fl.oz)
INSPECTION
M1552014301083
COMPRESSOR AIR CONDITIONING
COMPRESSOR CLUTCH OPERATION CHECK
Connect the compressor connector terminal to the battery posi-
tive (+) terminal and ground the battery’s negative (-) terminal
to the compressor unit. At that time, the air conditioning com-
pressor clutch should make a definite operating sound.
AC206292AB
A/C COMPRESSOR
CLUTCH
CONNECTOR
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-284
DISASSEMBLY AND ASSEMBLY
M1552004600466
Required Special Tools:
• MB991367: Special Spanner
• MB991386: Pin
DISASSEMBLY SERVICE POINT
.
<<A>> SELF-LOCKING NUT REMOVAL
AC209643AB
2
1
10
9
8
7
6
5
4
N
16 ± 1 N·m
12 ± 1 ft-lb
3
COOLING TEMPERATURE
SWITCH DISASSEMBLY STEPS
1.
SNAP RING
2.
COOLING TEMPERATURE
SWITCH
AIR CONDITIONING
COMPRESSOR CLUTCH
DISASSEMBLY
>>D<<
•
AIR GAP ADJUSTMENT
<<A>>
>>C<<
3.
SELF-LOCKING NUT
4.
ARMATURE
5.
SHIM
>>B<<
6.
SNAP RING
7.
ROTOR
8.
SNAP RING
>>A<<
9.
FIELD CORE
10. A/C COMPRESSOR
AIR CONDITIONING
COMPRESSOR CLUTCH
DISASSEMBLY (Continued)
AC209645AB
MB991386
MB991367
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-285
ASSEMBLY SERVICE POINTS
.
>>A<< FIELD CORE ATTACHMENT
Line up the pin hole on the compressor unit with the field core
projection and attach.
.
>>B<< SNAP RING INSTALLATION
Using snap ring pliers, fit the snap ring so that the snap ring’s
tapered part is on the outside.
.
>>C<< SELF-LOCKING NUT INSTALLATION
Using a special tool, as when removing the nut, secure the
armature and tighten the self-locking nut.
.
>>D<< AIR GAP ADJUSTMENT
Apply voltage from the battery to the air conditioning compres-
sor clutch and check that the clutch air gap is inside the stan-
dard value. If outside the standard value, use a shim to adjust
the gap.
Standard value:
0.3
− 0.5 mm (0.012 − 0.020 inch)
AC209648AB
FIELD CORE
PROJECTION
COMPRESSOR
UNIT PIN HOLE
AC001412
SNAP RING
ROTOR
CLUTCH COIL
TAPERED PART
AB
AC209650AB
THICKNESS
GAUGE
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-286
INSPECTION
M1552014301094
COOLING TEMPRATURE SWITCH
CAUTION
Do not heat more than necessary.
1. Dip the metal part of the cooling temperature switch into
engine oil and increase the oil temperature using a gas
burner or similar.
2. When the oil temperature reaches the standard value, check
that voltage is supplied between the terminals.
Standard value:
NOTE: When the oil temperature is 155
°
C (311
°
F) or more
and there is no continuity, the resistance will not be 2
Ω
or
lower until the oil temperature reduces to 125
°
C (257
°
F) or
less.
ITEM
TEMPERATURE
Less than 2 ohms
Slightly below 155
°C (311°F)
No continuity
155
°C (311°F) or more
AC100787
THERMOMETER
ENGINE OIL
AB
AC100810
LESS THAN 2
Ω
NO CONTINUITY
125˚C
(257˚F)
155˚C
(311˚F)
OIL TEMPRATURE
AE
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