Disassembly and Reassembly
DISASSEMBLY1. REMOVE REAR END COVER
a. Remove the nut and terminal insulator.
b. Remove the bolt, 3 nuts, plate terminal and end cover.
2. REMOVE BRUSH HOLDER AND VOLTAGE REGULATOR
a. Remove the 5 screws, brush holder and voltage regulator
b. Remove the seal plate from the rectifier end frame.
3. REMOVE RECTIFIER HOLDER
a. Remove the 4 screws and rectifier holder.
b. Remove the 4 rubber insulators.
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. Mount SST (C) in a vise.
d. Insert SST (B) into SST (C), and attach the pulley nut to SST (C).
e. To loosen the pulley nut, turn SST (A) in the direction shown in the illustration.
NOTE: To prevent damage to the rotor shaft, do not loosen the pulley nut more than one-half of a turn.
f. Remove the generator from SST (C).
g. Turn SST (B), and remove SST (A and B).
h. Remove the pulley nut and pulley.
5. REMOVE RECTIFIER END FRAME
a. Remove the 4 nuts and wire clip.
b. Using SST, remove the rectifier end frame.
SST 09950-40011 (09951-04020, 09952-04010, 09953-04030, 09954-04010, 09955-04041)
c. Remove the generator washer.
6. REMOVE ROTOR FROM DRIVE END FRAME
REASSEMBLY
1. PLACE DRIVE END FRAME ON PULLEY
2. INSTALL ROTOR TO DRIVE END FRAME
3. INSTALL RECTIFIER END FRAME
a. Place the generator washer on the rotor.
b. Using a 29 mm socket wrench and press, slowly press in the rectifier end frame.
c. Install the 3 nuts.
Torque: 4.5 N.m (46 kgf.cm, 40 in.lbf)
d. Install the wire clip with the nut.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)
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. 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 generator from SST (C).
h. Turn SST (B), and remove SST (A and B).
5. INSTALL RECTIFIER HOLDER
a. Install the 4 rubber insulators on the lead wires.
b. Install the rectifier holder while pushing it with the 4 screws.
Torque: 2.9 N.m (30 kgf.cm, 26 in.lbf)
6. INSTALL VOLTAGE REGULATOR AND BRUSH HOLDER
a. Place the seal plate on the rectifier end frame.
b. Place the voltage regulator and brush holder on the rectifier end frame.
NOTE: Be careful of the holder installation direction.
c. Install the 5 screws.
Torque: 2.0 N.m (20 kgf.cm, 18 in.lbf)
7. INSTALL REAR END COVER
a. Place the brush holder cover on the brush holder.
b. Install the end cover and plate terminal with the bolt and 3 nuts.
Torque:
Nut: 4.4 N.m (45 kgf.cm, 39 in.lbf)
Bolt: 3.9 N.m (39 kgf.cm, 35 in.lbf)
c. Install the terminal insulator with the nut.
Torque: 6.5 N.m (67 kgf.cm, 58 in.lbf)
8. CHECK THAT ROTOR ROTATES SMOOTHLY
REPLACEMENT
1. REPLACE FRONT BEARING
a. Remove the 4 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 09950-60010 (09951-00500)
d. Install the bearing retainer with the 4 screws.
Torque: 3.0 N.m (31 kgf.cm 27 in.lbf)
2. REPLACE REAR BEARING
a. Using SST, remove the bearing cover (outside) and bearing.
SST 09820-00021
NOTE: Be careful not to damage the fan.
b. Remove the bearing cover (inside).
c. Place the bearing cover (inside) on the rotor.
d. Using SST and a press, press in a new bearing.
SST 09820-00031
e. Using SST, push in the bearing cover (outside).
SST 09285-76010