FRIDEN STW - Page 81

FRIDEN
CALCULATING
MACHINE
CO.,
INC.-
Pose
tas
7
MODEL
STW
31790 1 Ba
29S -8BaN
PARTS
LIST
AND
INSTRUCTIONS
KEEP
YOUR
SERVICE
MANUALS
UP
TO
DATE
*
&
i
ADJUSTMENT:
With
the
Drive
Shaft
Thrust
Bearing
loose,
adjust
Bearing
A
far
.002
to
603
Geneva
.
Clearance.
Tighten
the
two
2108
Screws.
Turn
Eccentric
B
so
that
it
is
to
the
right
and
contacting
the
upper
edge
of
the
slot
in
Bearing
A.
Tighten
Screw
2289.
This
holds
Bearing
A
from
moving
down,
;
Next
adjust
Collar
C
by
Set
Screws
for
.00~1/2
to
.003
end
play
of
Actuators.
Move
Drive
Shaft
to
the’
right
to
allow
minimum
backlash
in
the
Actuators
and
tighten
Thrust
Bearing.
28
Locate
and
circle
the
parts
aumbers
affected
by
this
supplement
whereves
they
appear
in
the
Manual
|
and
make
a
note
to
see
this
page.
.
?
2108 * Special Screw
2247.
'.
4-48
¥
3/32"
Set
Screw
2287" 6-40 Special Screw
4006 #6 Lockwasher *
4204 Washer
4273
Thrust
Collar
for
Actuator
Shaft.
-
New
Part
6159
Front
Actuator
Bearing
-
No
Change
30L6L
Actuator
Bearing
-
Rear
-
- - 2
ee
s
Replaces
30172
3OLS2
Eccentric
for
Actuatar
Bearing
-
New
Part
31790
Bearing
&
Guide
Plate
Assembly
(19
Bank)
.
2...
0.
ety
eee
ss
Replaces
31765
34795
Bearing
&
Guide
Flate
Assembly
(@
Bank)...
2...
6
...
Replaces
31755
50900
-
41
Actuator
Shaft
Assembly...
7
ee
ee
+»
Replaces
$0910
50920
#2
Actuator
Shaft
Assembly
.
2.
1
0
et
et
«..
Replaces
50915
50930
#3
Actuator
Shaft
Assembly...
2-2-2
ee
ee
+.
Replaces
50875
50940
.
"4
Actuator
Shaft
Assembly.
2-2...
aha
aa
-
Replaces
50865
50950
-
#5
Actuator
Shaft
Assembly
(8
Bank)
.
2...
2.
fa
neal
adhe
-
+
Replaces
55575-K
50950-T
#5
Actuator
Shaft
Assembly
(LO
Bank)...
2...
ae
+
Replaces
50870
50960...
#6
Actuator
Shaft
Assembly
..
2.
-
ra
Se
Pies
clays
ier
aoe
«
Replaces
50580-TX
nogn
INSERT
IN
YOUR
SERVICE
MANUAL