Lexus SC300 / Lexus SC400. Manual - part 695

Bearings

1. 

INSPECT FRONT BEARING
Check that the bearing is not rough or worn.

2. 

IF NECESSARY, REPLACE FRONT BEARING
(a)  Remove the four screws, bearing retainer and bearing.

(b) Using 

a 

socket wrench and press, press out the bearing.

(c)  Using SST and a press, press in a new bearing.
SST 09608–20012 (09608–00030)

(d)  Install the bearing retainer with the four screws.

–

CHARGING SYSTEM

Alternator

CH–15

3. 

INSPECT REAR BEARING
Check that the bearing is not rough or worn.

4. 

IF NECESSARY, REPLACE REAR BEARING
(a)  Using SST, remove the bearing cover and bearing.
SST 09820–00021
NOTICE: Be careful not to damage the fan.

(b)  Using SST and a press, press in a new bearing.
SST 09820–00030

(c)  Using SST, push in the bearing cover.
SST 09285–76010

CH–16

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CHARGING SYSTEM

Alternator

ASSEMBLY OF ALTERNATOR

(See Components on page 

CH–10

)

1. 

PLACE RECTIFIER END FRAME ON PULLEY

2. 

INSTALL ROTOR TO RECTIFIER END FRAME

3. 

INSTALL RECTIFIER END FRAME
(a)  Place the alternator washer on the rotor.

(b)  Using a 29 mm socket wrench and press, slowly press

in the rectifier end frame.

(c)  Install the four mounting nuts.

–

CHARGING SYSTEM

Alternator

CH–17

4. 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.

(d) As 

shown in the illustration, mount SST (C) in a vise, and

install the alternator to SST (C).

(e)  To torque the pulley nut, turn SST (A) in the direction

shown in the illustration.

Torque: 110 N

⋅

m (1,125 kgf

⋅

cm, 81 ft

⋅

lbf)

(f)  Remove the alternator from SST (C).
(g)  Turn SST (B) and remove SST (A and B).

5. 

INSTALL RECTIFIER HOLDER
(a)  Place the seal plate on the rectifier end frame.

(b)  Install the four rubber insulators on the lead wires.

(c)  Install the rectifier holder with the four screws.

CH–18

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CHARGING SYSTEM

Alternator