Infiniti Q45. Manual — part 795
CHARGING SYSTEM
SC-25
C
D
E
F
G
H
I
J
L
M
A
B
SC
Removal and Installation
NKS0016W
REMOVAL
1.
Remove battery. Refer to
SC-8, "Removal and Installation"
.
2.
Remove air intake duct. Refer to
EM-17, "AIR CLEANER AND AIR DUCT"
3.
Remove alternator, water pump and A/C compressor belt. Refer to
EM-14, "Removal and Installation"
.
4.
Remove alternator mounting bolts.
5.
Remove power steering hose clamp mounting bolt.
6.
Remove alternator stay mounting bolts and alternator stay.
7.
Remove battery ground harness mounting bolt.
8.
Remove alternator bracket mounting bolts and alternator
bracket.
1.
Alternator ground harness
2.
“B” terminal nut
3.
“B” terminal harness
4.
Alternator nut
5.
Battery ground harness
6.
Alternator bracket
7.
Alternator
8.
Alternator mounting bolt
9.
Alternator stay
: N·m (kg-m, in-lb)
: N·m (kg-m, ft-lb)
: Engine front
SKIB6549E
PKIA2210E
PKIA2211E
SC-26
CHARGING SYSTEM
9.
Disconnect alternator connector.
10. Remove B terminal nut.
11. Remove alternator ground harness mounting bolt.
12. Remove power steering oil reservoir tank mounting bolts, then
slide power steering oil reservoir tank.
13. Remove alternator assembly upward.
ALTERNATOR PULLEY INSPECTION
Perform the following.
●
Make sure that alternator pulley dose not rattle.
●
Make sure that alternator pulley nut is tight.
INSTALLATION
Installation is the reverse order of removal, note the following point.
●
Install alternator, and check tension of belt. Refer to
CAUTION:
Be sure to tighten “B” terminal nut carefully.
PKIA2212E
PKIA1810E
Alternator pulley nut:
: 118 N·m (12.0 kg-m, 87 ft-lb)
CHARGING SYSTEM
SC-27
C
D
E
F
G
H
I
J
L
M
A
B
SC
Disassembly and Assembly
NKS0016X
1.
Rear bearing
2.
Rotor
3.
Retainer
4.
Front bearing
5.
Front cover
6.
Pulley
7.
Pulley nut
8.
Stator
9.
IC voltage regulator assembly
10. Diode assembly
11. Rear cover
12. B terminal nut
SKIB0763E
SC-28
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
Battery
NKS0016Y
Starter
NKS0016Z
Alternator
NKS00170
Type
80D23L
20 hour rate capacity
12 V - 62 AH
Cold cranking current (For reference value)
582 A
Type
M2T85171
MITSUBISHI make
Reduction gear type
System voltage
12 V
No-load
Terminal voltage
11 V
Current
Less than 145 A
Revolution
More than 3,300 rpm
Minimum diameter of commutator
31.4 mm (1.236 in)
Minimum length of brush
11.0 mm (0.433 in)
Brush spring tension
30.9 - 37.7 N (3.15 - 3.85 kg, 6.95 - 8.47 lb)
Clearance between bearing metal and armature shaft
Less than 0.2 mm (0.008 in)
Clearance between pinion front edge and pinion stopper
0.5 - 2.0 mm (0.020 - 0.079 in)
Type
A3TJ0591
MITSUBISHI make
Nominal rating
12 V - 150 A
Ground polarity
Negative
Minimum revolution under no-load (When 13.5 V is applied)
Less than 1,000 rpm
Hot output current (When 13.5 V is applied)
More than 35 A / 1,300 rpm
More than 105 A / 2,500 rpm
More than 136 A / 5,000 rpm
Regulated output voltage
14.1 - 14.7 V
Minimum length of brush
More than 5.00 mm (0.197 in)
Brush spring pressure
4.1 - 5.3 N (418 - 540 g, 14.8 - 19.1 oz)
Slip ring minimum outer diameter
More than 22.1 mm (0.870 in)
Rotor (Field coil) resistance
1.6 - 2.0
Ω
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