-24-
(B-138)
LCCKING LEVER
S
PR
I
NG
TENSION (Figure
44)
See Note (A)
With the locking lever on the high part of its cam, hook
an
8
oz.
scale on. the end or the locking lever at the spring hole ani pull in line with
the spring.
I t should require
4
to
5-1/2
ozs. to start the lever moving awq
from the cam.
SELECTOR
ARM
STOP DETENT ADJUSTMENT (Figure
42)
See Note (A)
With the locking lever on the low part of its cam, there should be
an
equal amount of clearance, within
.00311,
between the sides or the locking wedge
and
the locking lever when the selector arm is in the MARKING or SPACING
position.
NOTE: When checking the :MARKING position, be sure that the selector
arm
operating screw does not interfere with the movement or the selector
arm.
To adjust, loosen the screw that mounts the selector
arm
stop detent
eccentric post just enough to make the post friction tight. Position the stop
detent by turning the post, then tighten the post mounting screw.
SEL:&:TOR
ARM
STOP DETENT SPRING TENSION (Figure
42)
See Note
(A)
Unhook the stop detent spring from the locking lever guide
and
hook
an
8
oz. scale in the spring eye.
It should require
4
to
5
ozs.
to
pull the
spring to its position length.
SELEX:TOR
LEVER SffiiNG
TENSION (Figure
44)
See Note (A)
With the code bars in the MARKING position
ani
the
main
bail in its
extreme forward posi tion, move the swords manua.l.ly' to the SPACING position.
Hook a
32
oz. scale over the
end
of each selector lever at the selector cam
sleeve and pull radially
to
the main shaft.
It should require
6
to
10
ozs.
to
start each s elector lever moving.
NOTE: When checking the tension of the selector lever springs, make s�
that the selector levers are tree and without bind.
SELEI;TOR MAGNET
BRACKET
POSITION ADJUSTMENT (Figure
45)
See Note (A)
With the main shatt in the STOP position, rotate the selector cam
sleeve until the locking lever just drops orr the high part ot its cam; then
rotate the cam sleeve backward until the rotation is stopped
by
the locking
lever. With the selector arm locked in its l!ARKING position, there should be a
c learance of
.060"
to
.065"
between the armature lever ani the tace ot a tooth
on the
arma
ture lever cam.
To
adjust, loosen the selector magnet bracket
mounting screws and the selector magnet bracket adjusting
arm
mounting
screws
just emugh
to
make the bracket and adjusting
arm
friction tight.
Then position
the selector magnet bracket
b,r
means
of the adjusting arm, using the
90783
*
*
*
(A) These requirements should be checked with the range finder assembly
removed.
m
--J
N
�
w
0
