Infiniti EX35. Manual — part 422
CHG-28
< ON-VEHICLE REPAIR >
ALTERNATOR
DISASSEMBLY
Type: A3TJ1991
1.
“B” terminal nut
2.
“B” terminal harness
3.
Alternator connector
4.
Alternator mounting bolt
5.
Alternator stay mounting bolt
6.
Alternator stay
7.
Alternator
: Engine front
Refer to
for symbols in the figure.
JSMIA0006GB
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
JSMIA0007GB
CHG
ALTERNATOR
CHG-29
< ON-VEHICLE REPAIR >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
AWD : Removal and Installation
INFOID:0000000003131900
REMOVAL
1.
Disconnect the battery cable from the negative terminal.
2.
Remove air cleaner case. Refer to
.
3.
Disconnect power steering oil pressure sensor connector (A).
4.
Remove the clip (B) from the harness bracket (1) and “B” termi-
nal harness from the clip (C).
5.
Remove engine undercover, using power tools.
6.
Remove radiator cooling fan assembly. Refer to
.
7.
Remove drive belt. Refer to
EM-13, "Removal and Installation"
.
8.
Remove alternator mounting bolt (B) and alternator stay mount-
ing bolt (C) using power tools, then remove alternator stay (1).
9.
Remove alternator mounting bolt (A), using power tools.
10. Pull and turn alternator, and then remove the harness bracket
bolts (A).
11. Disconnect alternator connector (1).
12. Remove “B” terminal nut (2).
10. Diode assembly
11.
Rear bracket assembly
12. Terminal set
13. “B” terminal nut
Refer to
JSMIA0013ZZ
JSMIA0014ZZ
SKIB2608J
CHG-30
< ON-VEHICLE REPAIR >
ALTERNATOR
13. Remove power steering oil pump mounting bolts (1) and power
steering oil pump hose bracket bolts (2).
14. Move a power steering pump (1) and reservoir tank (2) forward.
15. Remove alternator assembly 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-23, "Inspection Procedure"
.
AWD : Inspection
INFOID:0000000003131901
ALTERNATOR PULLEY INSPECTION
Perform the following.
• Make sure that alternator pulley does not rattle.
• Make sure that alternator pulley nut is tight. Refer to
JPMIA0840ZZ
: Vehicle front
JPMIA0839ZZ
CHG
SERVICE DATA AND SPECIFICATIONS (SDS)
CHG-31
< SERVICE DATA AND SPECIFICATIONS (SDS)
C
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Alternator
INFOID:0000000003131902
*: Adjustment range of power generation voltage variable control is 11.4 - 15.6 V.
Type
A3TJ1991
MITSUBISHI make
Nominal rating
[V - A]
12 -150
Ground polarity
Negative
Minimum revolution under no-load (When 13.5 V is ap-
plied)
[rpm]
Less than 1,300
Hot output current (When 13.5 V is applied)
[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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