Mitsubishi Galant. Manual — part 727
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATING AND AIR CONDITIONING
55-34
Post-installation Operation
•
Drive Belt Tension Adjustment (2.4: Refer to
GROUP 11A, On-vehicles Service,
Refer to GROUP 11C, On-vehicles Service.)
•
Refrigerant Charging (Refer to
.)
AC001405
1
2
3
3
4
5
6
<2.4L ENGINE>
COMPRESSOR OIL:
SUN PAG 56
N
N
25 ± 4 N·m
18 ± 4 ft-lb
1
2
3
4
5
6
<3.0L ENGINE>
AB
25 ± 4 N·m
18 ± 4 ft-lb
PIPING CONNECTOR
REMOVAL STEPS
•
UNDER COVER (REFER TO
.)
•
CONDENSER FAN MOTOR <3.0L
ENGINE> (REFER TO
<<A>>
1.
DRIVE BELT
<<B>>
2.
DISCHARGE HOSE AND
SUCTION HOSE
3.
O-RING
<<C>>
>>A<<
4.
COMPRESSOR
5.
TENSION PULLEY
6.
COMPRESSOR BRACKET
REMOVAL STEPS (Continued)
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATING AND AIR CONDITIONING
55-35
REMOVAL SERVICE POINTS
<<A>> DRIVE BELT REMOVAL
1. Loosen the nut "A" for holding.
2. Loosen the bolt "B" for adjustment.
3. Remove the drive belt.
<<B>> SUCTION HOSE, DISCHARGE HOSE
DISCONNECTION
CAUTION
Seal the hoses completely, otherwise the compressor oil
and receiver will absorb water vapor easily, possibly
damaging the compressor and deteriorating performance.
Plug the disconnected hose and compressor nipple to prevent
foreign matter from getting into them.
<<C>> COMPRESSOR REMOVAL
When removing the compressor, be careful not to spill the
compressor oil.
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 floz)] of oil within the
removed compressor.
2. Measure the amount [X cm
3
(X floz)] of oil within the
removed compressor.
New compressor oil amount
140 cm
3
−−−−
X cm
3
= Y cm
3
(4.7 floz
−−−−
X floz = Y floz)
NOTE: Y cm
3
(Y floz) indicates the amount of oil in the
refrigerant line, the condenser, the evaporator, etc.
AC001406AB
A
B
<3.0L ENGINE>
A
B
<2.4L ENGINE>
A
VIEW A
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATING AND AIR CONDITIONING
55-36
NOTE: When replacing the following parts at the same times
as the compressor, subtract the rated oil amount of the each
part from Y cm
3
(Y floz) and discharge from the new
compressor.
Quantity:
••••
Evaporator: 60 cm
3
(2.0 floz)
••••
Condenser: 15 cm
3
(0.5 floz)
••••
Suction hose: 10 cm
3
(0.3 floz)
••••
Receiver: 10 cm
3
(0.3 floz)
INSPECTION
M1552009300051
REFRIGERANT TEMPERATURE SWITCH CHECK
When the A/C is off, check that there is continuity between the
refrigerant-temperature switch terminals. If not, replace the
switch.
COMPRESSOR MAGNETIC CLUTCH OPERATION
INSPECTION
M1552008500115
Connect the battery (+) terminal to the compressor magnetic
clutch connector terminal 1 <2.4L engine> or terminal 4 <3.0L
engine>, and ground the battery (
−
) terminal to the body of the
compressor. The condition is normal if the sound of the
magnetic clutch (click) can be heard.
AC001407
REFRIGERANT-
TEMPERATURE
SWITCH TERMINALS
AB
AC001367
1 2
3 4
AB
<2.4L ENGINE>
<3.0L ENGINE>
MAGNETIC CLUTCH
CONNECTOR
MAGNETIC CLUTCH
CONNECTOR
COMPRESSOR ASSEMBLY AND TENSION PULLEY
TSB Revision
HEATING AND AIR CONDITIONING
55-37
REVOLUTION PICK-UP SENSOR CHECK
M1552004500050
Measure the resistance between terminals 1 and 3. Check that
the measured value is at the standard value.
Standard value: 405
±±±±
35
Ω
Ω
Ω
Ω
when the ambient
temperature is 20
°°°°
C (68
°°°°
F)
MAGNETIC CLUTCH
M1552004600079
DISASSEMBLY AND ASSEMBLY
Required Special Tools:
•
MB991367: Special Spanner
•
MB991386: Pin
AC003633
1 2
3 4
AB
REVOLUTION
PICK-UP SENSOR
AC001409
1
2
3
4
5
6
6
7
7
8
8
9
9
10
3
4
N
N
<2.4L ENGINE>
<3.0L ENGINE>
AB
5
MAGNETIC CLUTCH DISASSEM-
BLY STEPS
1.
BOLT <2.4L ENGINE>
2.
PULLEY <2.4L ENGINE>
>>E<<
•
AIR GAP ADJUSTMENT
<<A>>
>>D<<
3.
NUT
>>C<<
4.
ARMATURE PLATE
5.
SHIMS
>>B<<
6.
SNAP RING
7.
ROTOR
8.
SNAP RING
>>A<<
9.
CLUTCH COIL
REFRIGERANT TEMPERATURE
SWITCH REMOVAL
10. REFRIGERANT TEMPERATURE
SWITCH
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