Lexus RX300 (MCU15). Service manual — part 181

CH07H–02

B12267

B12268

Socket Wrench

SST

B12269

SST

B12270

SST

B12271

CH–10

–

CHARGING

ALTERNATOR

LEXUS RX300 (RM785E)

REPLACEMENT

1.

REPLACE FRONT BEARING

(a)

Remove the 4 screws, bearing retainer and bearing.

(b)

Using SST and a socket wrench and press, press out the
bearing.
SST

09223–00010

(c)

Using SST and a press, press in a new bearing.
SST

09950–60010 (09951–00480)

(d)

Install the bearing retainer with the 4 screws.
Torque: 2.6 N·m (27 kgf·cm, 23 in.·lbf)

2.

REPLACE REAR BEARING

(a)

Using SST, remove the bearing cover (outside) and bear-
ing.
SST

09820–00021

NOTICE:
Be careful not to damage the fan.
(b)

Remove the bearing cover (inside).

(c)

Place the bearing cover (inside) on the rotor.

B12272

SST

B12273

SST

–

CHARGING

ALTERNATOR

CH–11

LEXUS RX300 (RM785E)

(d)

Using SST and a press, press in a new bearing.
SST

09820–00030

(e)

Using SST, push in the bearing cover (outside).
SST

09285–76010

CH0G8–01

B12274

Pulley

B12275

B12276

29 mm
Socket
Wrench

B12262

P10835

Turn

SST (A)

SST (B)

CH–12

–

CHARGING

ALTERNATOR

LEXUS RX300 (RM785E)

REASSEMBLY

1.

INSTALL ROTOR TO DRIVE END FRAME

(a)

Place the drive end frame on the pulley.

(b)

Install the rotor to the drive end frame.

2.

INSTALL COIL ASSEMBLY

(a)

Place the alternator washer on the rotor.

(b)

Using a 29 mm socket wrench and press, slowly press in
the coil assembly.

(c)

Install the coil assembly with the 4 bolts.
Torque:5.8 N·m (59 kgf·cm, 51 in.·lbf)

3.

INSTALL PULLEY

(a)

Install the pulley to the rotor shaft by tightening the pulley
nut by hand.

(b)

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)

(c)

Check that SST (A) is secured to the pulley shaft.

P10834

SST (C)

SST (A)

Insert

P10829

SST (C)

SST (A)

Turn

P10836

SST (B)

SST (A)

Turn

B12277

B12278

Upward

–

CHARGING

ALTERNATOR

CH–13

LEXUS RX300 (RM785E)

(d)

Mount SST (C) in a vise.

(e)

Insert SST (B) into SST (C), and attach the pulley nut to
SST (C).

(f)

To torque the pulley nut, turn SST (A) in the direction
shown in the illustration.
Torque: 110.5 N·m (1,125 kgf·cm, 81 ft·lbf)

(g)

Remove the alternator from SST (C).

(h)

Turn SST (B), and remove SST (A and B).

4.

INSTALL BRUSH HOLDER

(a)

Place the front seal plate to the coil assembly.

(b)

Place the brush holder on the coil assembly.

NOTICE:
Be careful of the holder installation direction.
(c)

Install the 2 screws.
Torque: 1.8 N·m (18 kgf·cm, 16 in.·lbf)

(d)

Place the real seal plate on the brush holder.