0')
-J
N
boo
w
..J
-21-
(B-1.38)
STOP LEVER
ECCFA'I'RIC SCREH ADJUSTMENT
(Figure 'J7) See Note (A)
The stop lever on t he range finder ass embly should overtravel the
latching surface of the trip latch
by
some clearance, n ot more than
.oo6•.
To
adjust, position the stop lever eccentric screw
b.1
means of its lock nut,
making certain t hat, when tightening the nut, the adjustment is n ot disturbed.
STOP
LEVER
SPRING TENSION
(Figure
.38)
See Note (A)
NOTE: Be
sure that the stop lever eccentric has been adjusted before
checking this requirement.
With the trip latch plunger held operated, hook
an
8
o z. s cale
at
the
end of the stop lever on the range finder assembly. It should require
.3
/
4
to
1-1/4
ozs. to start the lever moving.
TRIP,LATCH
S�tiNG
CO�SION
(
F
i
gur
e
.37)
See Note
(A)
When measuring this requirement, the
range tinder assembly
should•
be
·
.
held in
a
horizontal post tion.
Apply the push
end
o
t
an
8
oz. seale, held in
a
vertical
pos1 tion, to the trip
latch as near
to
the
stop lever as possible
and.
p
u
s
h upward. It should require
l
to
l-l/2
ozs. to start the
trip latch
JJI)v:l.ng.
Replace the range tinder assembly,
taking
care
to
avoid
th
e
trip l atch
plunger
asainat
th
e
armature trip-ott screw
'When
r
emo
un
t
ing
.
Figure
.39).
ARMATUIU: TRIP-OFF ECCENTRIC
SClUH
AOJUBrMiil'JT
(Figure
.39)
There should be some clearance,
not more than
.00211,
between
the stop
lever
and
the trip
latch
w
h
e
n
the
ar
ma
t
ur
e
is in
t
h
e unoperated po
s
it
i
o
n
and
th
e
main
shatt is rotated until the stopping
edge
oi'
the stop lever is direetlf
below
the
latching surface
o£
t
h
e trip latch.
.
'l'he trip
latch
plunaer ahould have at
least
.002" end. plq
(aee
Figure
37)
when the armature is
held agairwt the
marking
atop
and
the stop lever
is clear ot the latching surface
o£ the
trip latch, To adjust, po
11
tion
the
armature trip-ott eccentric
s
cr
ew
by
m
e
ans
o£ ita lock nut to meet the tirst
requirement. 'l'he latter requirement serves as a cheek on
the
trip-ott
ec centric
aerew adjuatm.ent
and also on
t
h
e adjustment
of
t
h
e
arma
ture stops.
SELECTOR lCAGNm'
COIL AOJUS!'YENT
'l'he lett edge
o£ the
c
or
e
ot the le:t't magnet coil
sho ul d align
(within
l/64") with the lett edge o:t' the armature. Adjust
by
mans or
the
magnet coil mounting screws. (See Figure
.33
tor
location ot
parts).
MAGNET
BRACKET AOJUSTMmT
(Figure
.3.3)
There
s
h
o
ul
d
be
.00211
to
.007"
c
l
e
ar
a
nc
e between each magnet core
and
the
*armature anti-freeze strip when
the magnet c
o
i
l
s
are
energized
an d the
*
This clearance should be
.OOJit
to
.01011
when a chromium plated
arma
ture is used.
*
-)(
�-
(Aj
These requirements
should
be checked with the range finder removed.
