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(331)
ELECTRICAL SYSTEMS
CRANKING SYSTEM
10-55
shift lever, adjust drive pinion travel to pro-
vide
0/16"
clearance in cranking position as de-
scribed in paragraph 10-39 (c)
.
If
new brushes were
installed,
or old brushes
were removed from holders, loosen brush at-
taching screws to allow brushes to seat squarely
against commutator, then firmly tighten screws.
Attach spring scale at each brush and check
the pull required to just lift brush off commu-
tator. Brush spring tension should be 24 to 28
ounces.
If
spring tension is
excessive,
pull brush
holder out to limit of travel
several
times to
give a slight bend to
spring.
If
spring tension
is too
light, replace
brush spring. Make sure
that brush holders do not bind on the support
pins.
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