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Rev. B
Workman MD/MDXPage 6 -- 30Electrical System
12.Assembly new brushes to the brush plate.
A. First, insert the brush with the short lead into one
of the brush holders. Then rotate the brush plate
180
o
to insert the brush with the longer lead. Repeat
for second brush assembly.
B. Be sure that terminal insulator is positioned on
each terminal bolt after assembly. Also, be sure to
have the brush springs against the side of the
brushes so the brushes do not go into the brush box
fully.
Figure 40
13.Verify the correct position of the brushes. If the
brushes are not in the correct orientation, the starter/
generator will not function.
A. Terminal A1 connects to brush boxes 2 and 4.
B. Terminal A2 connects to brush boxes 1 and 3.
Figure 41
14.Assemble the brush box to the commutator end
head. Make sure that the brush leads are dressed prop-
erly, that the leads are not pinched under the brush box
and that the copper shunts do not contact the aluminum
end head. Secure brush box to end head with two (2)
screws. Torque screws from 22 to 26 in--lb (2.5 to 2.9
N--m).
Figure 42