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(B-138)
surface of the inner disc contact spring. This distance should be
17 /32"'
to
19/3211•
(3) In a similar manner, measure the distance from the wrench to the
point of the contact on the outer disc contact spring. This distance
should
be
7/16"
to
1/211•
Adjust by bending the inner
and
outer disc contact springs.
GOVERNOR BRUSH SPRING PLATE BRACKET ADJUsrMENT
The spring plate bracket should be positioned
to
meet the following
requirements:
(l)
A
line established
b.r
the center of the outer disc and the center of
one of the brushes shoutd pass through some portion of the other
brush. (Figure
83A)
(2)
The surface of the brush spring plate bracket on which the brush
spring plate is mounted
should be
in
line with the outer surface or
that part or the governor cover on which the target
i
s
mounted.
(Figure
83B)
(3) The bracket should be parallel to the edge of the motor base plate.
To adjust, position the brush spring plate bracket by means of its
enlarged mounting holes.
GOVERNOR BR.USH SPRING
PRESSURE
(Figure
83B)
(A)
INNER DISC BRUSH SPRING
Hook an
8
oz. scale over the inner disc brush spring just to the
right of the carbon contact brush, as viewed from the rear of the .rootor, and
pull horizontally away from the .rootor.
It
should require
4-1/2
to
5-1/2
ozs.
to start the brush moving away from. the disc.
(B)
OUTER DISC BRUSH
SPRING
Apply
an
8
oz
•.
push scale against the outer disc brush spring just
to
the right of the carbon contact brush, as viewed from the rear of the motor,
and push horizontally toward the motor. It should require
4-1/2
to
5-1/2
ozs.
to
start the brush
IIIOving
awa;s- from the disc.
Tb
obtain the correct brush spring pressure, remove
and
bend the
brush springs. When the springs are replaced and the spring pressure obtained,
see that the contact brushes lie flat against their respective discs
and
that
the outer edges of the brushes are either flush with or not more than
3/64"
inside the outer edges of the discs.
GOVERNOR ADJUSTING
BRACKET
ADJUSTMENT
(Figure
83B)
There should be
•
02011
to
.0601t
clearance between the speed adjusting
wheel and the speed adjusting surface on the bracket. Adjust by bending the
governor adjusting bracket.