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POSITION
CONTROL
PIN
POSITION
CONTROL
SPRING
ADJUSTMENT
BOLT
le
——
)
>)
HYDRAULIC
TOUCH
CONTROL
LEVER
CONSTANT
DRAFT
CONTROL
SPRING
(2) Examine
the constant draft spring adjustment
nut (fig. 29).
If it is a lock nut, it should
be tightened
until the washer
bears
against the shoulder. If it is a standard castellated nut with a cotter
pin, the nut should
be adjusted
to give the correct
length of the
constant
draft spring,
then the cotter
pin can
be installed.
The
constant draft spring should be 3.58 inches long (slightly over 3%
inches is satisfactory) as shown in fig. 30.
(3) Examine
the top of the quadrant suppor: plate for locating
marks as shown in fig. 31. The quadrant support cap screws should
be loosened, locating marks aligned, and the cap screws tightened.
If there
are no locating
marks,
remove
two
cap screws
from
the
quadrant support plate, loosen the two remaining
cap screws,
and
center the slot in the quadrant
support plate on the cap screws
as
accurately
as possible.
Replace
and
tighten
the cap
scrgws
that
support the quadrant.
(4) Place the position control lever in the position shown in fig.
29. Move the hydraulic touch control lever until there is an opening
3730-47J
§ 143. b. (4)
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