INSTALLING
TOOL
INSTALLING
TOOL
DIODE TOOL
(FOR SUPPORT)
ASf06031
Figure 6-31.--Installing diodes.
When you install brushes, exercise care to
The bearing in the slip ring end frame assembly
must be replaced if its supply of grease is exhausted.
prevent chipping or other damage to them.
You should not attempt to relubricate and reuse a
It is not necessary to polarize the alternator
bearing in this condition.
system.
To replace a bearing, press the old one out of the
When you solder, use 60/40 rosin core. NEVER
slip ring end frame by using a tube or collar the same
use acid core; it is corrosive and can lead to further
diameter as the outside of the bearing. Press from the
damage.
outside while you support the inside with a hollow
cylinder to prevent distortion and breakage of the slip
Brushes and brush springs must be set in the
ring end frame. Install the new bearing by placing a flat
brush holder before assembly. They can be held in
plate over the bearing and pressing it in from the
position by a retaining pin or a stiff wire inserted
outside until the bearing is flush with the outside of the
through the hole provided in the slip ring end plate. Be
slip ring end frame. Support the inside with a hollow
sure to remove the pin after assembly.
cylinder to prevent distortion and breakage of the slip
Q6-12.
At what specific value will an alternator limit
ring end frame.
its current output?
Reassembly
1.
At 100% of its rated output
2.
At 110% of its rated output
Reassembly is essentially the reverse of the
3.
At 125% of its rated output
disassembly procedures given in the preceding section.
4.
At 130% of its rated output
However, there are a few points to remember.
Q6-13.
How many diodes does an automotive
When you assemble the drive belt pulley to the
alternator have?
rotor shaft, secure the rotor in a vise only tight enough
1.
Three
to tighten the nut to the torque specified by the
2.
Four
manufacturer.
3.
Five
Ensure that the bearing areas of the rotor shaft
4.
Six
are free of dirt or grime.
6-25
