Infiniti FX35, FX50 (S51). Manual — part 438
CHG
ALTERNATOR
CHG-33
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DISASSEMBLY
Type: A003TJ3091
1.
Alternator
2.
“B” terminal nut
3.
Alternator connector
4.
Alternator stay
5.
Alternator mounting lower bolt
6.
Alternator mounting upper bolt
7.
Alternator bracket
: Engine front
Refer to
JPLIA1203GB
JSMIA0007GB
1.
Rear bearing
2.
Rotor assembly
3.
Retainer
4.
Front bearing
5.
Front bracket assembly
6.
Pulley
7.
Pulley nut
8.
Stator assembly
9.
IC voltage regulator assembly
10. Diode assembly
11.
Rear bracket assembly
12. Terminal set
CHG-34
< REMOVAL AND INSTALLATION >
ALTERNATOR
VK50VE : Removal and Installation
INFOID:0000000005242985
REMOVAL
1.
Disconnect the battery cable from the negative terminal.
2.
Remove drive belt. Refer to
3.
Remove the air ducts and air cleaner assembly RH.
4.
Remove the alternator connector harness bracket (A).
5.
Move a steering hose and harness not to interfere the removal
of the alternator.
6.
Remove the alternator mounting bolt (B) and alternator mount-
ing bolt (C).
7.
Pull and turn alternator, and then remove the “B” terminal nut (A)
and alternator connector (B).
8.
Remove alternator assembly (1) upward from the vehicle.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to tighten “B” terminal nut carefully.
• Install alternator, and check tension of belt. Refer to
.
• For this model, the power generation voltage variable control system that controls the power generation volt-
age of the alternator has been adopted. Therefore, the power generation voltage variable control system
operation inspection should be performed after replacing the alternator, and then make sure that the system
operates normally. Refer to
CHG-27, "Inspection Procedure"
.
VK50VE : Inspection
INFOID:0000000005242986
ALTERNATOR PULLEY INSPECTION
Perform the following.
13. “B” terminal nut
Refer to
for symbols in the figure.
JPLIA1171ZZ
JPLIA1168ZZ
JPLIA1169ZZ
CHG
ALTERNATOR
CHG-35
< REMOVAL AND INSTALLATION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
• Make sure that alternator pulley does not rattle.
• Make sure that alternator pulley nut is tight. Refer to
CHG-32, "VK50VE : Exploded View"
.
CHG-36
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Alternator
INFOID:0000000005242987
*: Adjustment range of power generation voltage variable control is 11.4 - 15.6 V.
VQ35HR
VK50VE
Type
A003TJ1991
A003TJ3091
MITSUBISHI make
Nominal rating
[V - A]
12 -150
Ground polarity
Negative
Minimum revolution under no-load
(When 13.5 V is applied)
[rpm]
Less than 1,300
Hot output current (When 13.5 V is ap-
plied)
[A/
rpm]
More than 31/1,300
More than 122/2,500
More than 144/5,000
Regulated output voltage
[V]
14.1 – 14.7
*
Minimum length of brush
[mm
(in)]
More than 5.00 (0.197)
Brush spring pressure
[N (g,
oz)]
4.1 – 5.3 (418 – 541, 14.7 – 19.1)
Slip ring minimum outer diameter
[mm
(in)]
More than 22.1 (0.870)
Rotor (Field coil) resistance
[
Ω
]
1.7 – 2.0
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