-48-
(B-1'38)
CLUTCH
SFRING COMPRESSION (Figure
7.3)
Hook
a
.32
oz. scale to the clutch driven
member
projection and pull
directly
in
line with the
s hatt.
It should require
9
to
12
ozs. to
separate
the clutch
teeth.
CLU'roH
ADJUSTMENT
(Figure
74)
There should be
.005"
to
.015"
clearance between the clutch teeth
w hen the clutch is fully disengaged. To adjust, position the clutch thrm10ut
lev:er by means of shims placed between the throwout lever post and the bracket.
LOCK LOOP ROLLER
ADJUSTMENT
NOTE:
This adjustment applies only to those keyboards equipped with lock
loops having an elongated hole far the roller pivot screw.
Rotate the keyboard shatt until the clutch teeth are disengaged.
Press
the lock loop roller against its cam to fully disengage the clutch
teeth
an d
pos1.tion the locldng lsvers directly below the lock loop blade to
make the
clearance
a
minirm.un.
Under these
conditions
there s
hould be
.008" to
.015"
clearance
betwe en
the lock loop
blade
and
the locking lever having the least
clearance.
To
adjust,
position the roller pivot
screw
by means of its elongated
mounting hole.* {See Figure
71
for location of parts.)
*
On
some
keyboards an eccentric roller pivot screw is used which
provides extra
gdjusting
margin. In these cases the shoulder screw
should
be
mounted with the high part of its eccentric extending
toward
e ithe r em
of
the
slot in the lock loop, depending upon in
whic h
direction the additional margin
of
adjustment is
require d.
UNIVERSAL BAR
PILOT SCREWS
ADJUSTMENT
The universal bar should have
sone
Elld pla;y, not more than
.010";
the
universal
bar extension should be approximately in the middle
of
the space
between the P and CARRIAGE
RETURN
key levers;
and
the trip-off pawl should
clear the sides
of
the stop plate mounting screws and the locking leve.r bracket
when the trip-off pawl is oper.-ated by depressing a key lever.
(See Figure
74
for location of parts.) To adjust, position the universal bar by means of its
pilot
screws.
·
TRIP-OFF
PAWL S:OOP
PLATE ADJUSTUENT
(Figure
74)
There
s
ho
uld
be
.0/.IJ"
to
.06011
clearance between
all
key levers and
the universal
bar when the trip-off pawl is resting against t he end of the stop
plate.
To
adjust, position the trip-off' pawl stop plate by
means
of it
s elong�
te d
mounting
holes.
INTERMEDIATE PAWL
ECCENTRIC
ADJUSTMl!NT
(Figure
74)
There should be
.050"
to
.06011
clearance between the trip-off pawl
and
the intermediate pawl when the trip-off pawl
is
resting against the end or
the
stop plate and the intermediate pawl is against its eccentric. To adjust,
position the intermediate pawl eccentric.
m
-J
N
--'
0:
.p