Lexus SC300 / Lexus SC400. Manual — part 286
ALTERNATOR
COMPONENTS FOR REMOVAL AND
INSTALLATION
REMOVAL OF ALTERNATOR
1.
DISCONNECT CABLE FROM NEGATIVE TERMINAL OF
BATTERY
CAUTION: Work must be started after approx. 20 se-
conds or longer from the time the ignition switch is
turned to the ”LOCK” position and the negative (–) termi-
nal cable is disconnected from the battery.
2.
REMOVE ENGINE UNDER COVER
3.
REMOVE DRIVE BELT
Loosen the belt tension by turning the drive belt tensioner
counterclockwise, and remove the drive belt.
HINT: The pulley bolt for the belt tensioner has a left–hand
thread.
–
CHARGING SYSTEM
Alternator
CH–9
4. REMOVE
ALTERNATOR
(a) Disconnect the alternator connector.
(b) Remove the cap and nut, and disconnect the alternator
wire.
(c) Remove the bolt, and disconnect the A/T oil cooler pipe
bracket.
(d) Remove the nut and alternator.
COMPONENTS FOR DISASSEMBLY AND
ASSEMBLY
DISASSEMBLY OF ALTERNATOR
1.
REMOVE REAR END COVER
(a) Remove the nut and terminal insulator.
CH–10
–
CHARGING SYSTEM
Alternator
(b) Remove the three nuts and end cover.
2.
REMOVE BRUSH HOLDER AND IC REGULATOR
(a) Remove the brush holder cover from the brush holder.
(b) Remove the five screws, brush holder and IC regulator.
3.
REMOVE RECTIFIER HOLDER
(a) Remove the four screws and rectifier holder.
(b) Remove the four rubber insulators.
–
CHARGING SYSTEM
Alternator
CH–11
(c) Remove the seal plate.
4. REMOVE
PULLEY
(a) Hold SST (A) with a torque wrench, and tighten SST (B)
clockwise to the specified torque.
SST 09820–63010
Torque: 39 N
⋅
m (400 kgf
⋅
cm, 29 ft
⋅
lbf)
(b) Check that SST (A) is secured to the rotor shaft.
(c) As
shown in the illustration, mount SST (C) in a vise, and
install the alternator to SST (C).
(d) To loosen the pulley nut, turn SST (A) in the direction
shown in the illustration.
NOTICE: To prevent damage to the rotor shaft, do not
loosen the pulley nut more than one–half of a turn.
(e) Remove the alternator from SST (C).
(f) Turn SST (B) and remove SST (A and B).
(g) Remove the pulley nut and pulley.
5.
REMOVE RECTIFIER END FRAME
(a) Remove the four mounting nuts.
(b) Using SST, remove the rectifier end frame.
SST 09286–46011
CH–12
–
CHARGING SYSTEM
Alternator
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