'
- 63 -
(B-138)
TABUI.ATOR STOPS
ADJUSTMENT
(Figure 97C)
The tabulator etops should be adjusted with the tqping unit resting
on its back or in the normal upright position and
� be
located to stop the
carriage at
�
desired position.
With the carriage
in
position for the first character ot a tabulated
column
and the
spacing escapement r atchet stopped by the rear spacing escape
ment
pawl, position a tabulator stop
to
the left of the carriage pawl, allowing
.00811
to .015" clearance between the stop
and
the pawl, when the tabulator bar
end play has been taken up to make the clearance a
ma;ximwn.
Tighten the tabu
lator stop clamping screw.
Locate
the
large stop at the extreme right end of the line so that
the carriage pawl just rides up on the high part of the stop when the carriage
reaches the end of its travel.
NOTE: When torras are 8J1i>loyed in the machine, the setting ot the tabulator
stops should be checked, using the form. It is essential that, on
all machines connected to the circuit, the stops are set at exact�
the same points in terma ot the number ot manual spacing operations
from its lett margin.
TABULATOR FUNCTION
LEVER
SPRING TENSION (Figure
98)
With the typin& unit resting on its right side and the printing bail
in its extreme rear position, hook a
12
lb. scale over the rear extension ot
the tabulator function lever, just in front ot the lobe,
and
pull at right
angles
to
the function lever extension. It should require .3-l/4 to 4-'J/4 lbs.
to start the function lever moving.
·TABULAT OR LATCH
BAR
SPRING TENSION (Figure
98)
With the t)'Ping unit resting on its right side and the printilli bail
in
its extreme rear position, lift the rear
pawl sutticientlJ
to
bring
the high part ot a tooth to the
under the rear
escapement pawl and
allow
the pawl to rest on a ratchet tooth . With the tabu
lator bar
so
held that the tabulator latch bar is tree ot the tabulator latch,
hook
an
8
om. scale over the tabulator latch bar, just
to
the rear ot the
tabulator latch bar spring,
and.
pull at right angles to the tabulator latch
bar.
It should require l-l/2 to
3
oms. to start the tabulator latch bar moving.
TABULATOR
BAR
SPRING TENSION (Figure
98B)
With the typing unit resting on its right side, the printing ball in
its extreme rear position,
and
the tabulator latch bar in its uppermost posi
tion, hook
a
.32
oz. scale on the tabulator bar at .the spring
ho
l
e
and
pull in
line with the tabulator bar spring. It should
r
e
q
ui
r
e 10 to
14
ozs. to start
the tabulator bar
moving .
NOTE: This tension is 14
to
18
ozs. on tabulator
mechanisms
equipped with
a
No.
89992
s
e
t of parts to control a transmitter distributor from a
15 printer tabulator.