ALTERNATOR (Cont'd)
Disassembly And
Assembly
Disassemble the alternator as shown in figure [A].
Remove the three
bolts (Item 4)
[A]
holding halves
together.
Pry
the halves apart.
Use
a soft jaw vise to hold the rotor while removi
ng
the
pulley nut (Item 1) [A].
Remove the front case
half (Item
5)
[A]
from the rotor
using a
plastic hammer or press.
Unsolder the stator wires from the rectifier to test the
stator and rectifier. Use a
needle nose pli
er
to remove the
wi
res
.
Use the
followi
ng
procedures with an ohmmeter to test
the rotor:
Touch
both probes
on
the slip rings. There must be a 3 to
5 ohm reading [B].
Touch
one probe to the shaft and one probe to a slip ring.
then touch the other
slip ring. There must
be
maximum
resistance [C].
-6-12-
A
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,
1/
1.
Nut
2. Pulley
3. Fan
4.
Bolt
5. Case
Half
(Front)
tI
."
6.
Bearing
11. Heat Sing
(-)
7.
Rotor
12. Case Half (Rear)
8.
Slip
Ring
13. Condenser Assy.
9.
Stator
14.
Brush
Holder
10. Heat
Sink
(+) 15. Regulator
I
0-01760
B
c
B-09375
741,742,743,
743DS Bobcat Loader
Service Manual
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