Isuzu NHR 4J Series Workshop Manual page 363

6D3 – 18 CHARGING SYSTEM
3. Separation of Pulley, Fan, Drive End Frame, and Rotor
Fix the rotor in a lock vice, and after removing the lock nut
separate the pulley, fan, drive end frame, and rotor.
NOTE:
Be sure to fix the rotor through cloth in a vice.
6D3-18-1.tif
4. Removal of Bearing (on the Drive End Frame Side)
• Remove the ball bearing fixing screw.
6D3-18-2.tif
• As shows in the illustration, make the drive end frame
parallel to a block, and then push out the bearing with
a press through a jig.
6D3-18-3.tif
5. Separation of Rear End Frame and Rectifier & Stator
Remove the nuts M5 and M6, and separate the rectifier
and stator from the rear end frame.
6D3-18-4.tif
6. Separation of Rectifier and Stator
Disconnect the stator lead wire from the rectifier by means
of a soldering copper to separate the rectifier and stator
from each other.
NOTE:
Since the rectifier a low resistance to heat, the work
should be done quickly using radio pliers to absorb
heat.
6D3-18-5.tif