FRIDEN STW - Page 50

Page
50
FRIDEN
CALCULATING
MACHINE
CO.,
INC.
6-15-50
MODEL
STW
SERVICE
PROBLEMS
AND
WHAT
TO
CHECK
d.
Not
enough
clearance
between
A
and
B,
g-
MULTIPLICATION
see
Adjustment
97
e.
Not
enough
clearance
between
A
and
B,
see
Adjustment
98
4.
Right
Shift
Gear
out
of
time,
10
g.
Too
much
overlatch
of
C
on
D,
see
Ad-
justment
99
2.
FAILS
TO
MULTIPLY
IN
FIRST
CARRIAGE
POSITION:
1.
FAILS
TO
SHIFT
CARRIAGE
TO
LEFT
OR
CLEAR
DIALS:
Same
as
for
Carriage
Clear.
See
page
49
$5,
CARRIAGE
SHIFTS
TO
STOP,
NO
ENTRY,
MACHINE STOPs:
a. Key Board Locked
b, No numbers in Key Board
c. Key Board clearing prematurely, 36
d.
Carriage
fails
to
centralize
properly,
95
e. Add-Subtract Gate binding
6.
CARRIAGE
SHIFTS
TOSTOP,
ONLY
PARTIAL
ENTRY OF DIVIDEND:
a.
Roller
G
too
close
or
too
wide
to
Lever
D,
see
Adjustment
100
b.
Binding
Relatch
Lever
Link,
99
c. Add-Subtract Gate binding
d.
Carriage
fails
to
centralize
properly,
95
@. Weak Spring
£. Lubrication
g.
Multiplier
Keys
Release
Mechanism
in-
terfering,
143
7. DIVIDEND ENTERS MORE THAN ONE TIME:
a. Lever C not relatching
b.
Insufficient
overlatch
of
C on
D,
see
Ad~
justment
99
c.
Lever
B
binding
or
caught
on
Trip
Lever
A,
see
Adjustment
98
d,
Worn
or
loose
Roller
on
Division
Drive
Gear,
77,99
e. Lubrication
a.
Check
adjustment
of
add
-
Subtract
Gate
Centralizer,
see
Adjustment
60
b.
Binds
in
Add
-
Subtract
Gate
operating
Levers,
116
¢,
Add-Subtract
Gate
Control
adjustments
for
multiply,
113
to
125
inclusive
d.
Weak
or
detached
Springs
e. Loose Taper Pins
£. Lubrication
3.
CARRIAGE
FAILS
TO
SHIFT
TO
RIGHT:
a.
Carriage
Shift
Shaft
Assembly
adjust-
ments,
126
to
130
inclusive
b. Weak Springs
c.
Adjustment
of
Add-Subtract
Gate
Stabi-
lizer,
128
d.
Binds
in
Carriage
Shift
Shaft
Assembly
e.
Add-Subtract
Gate
binding
£.
Timing
of
Right
Shift
Gear,
10
g-
Carriage
failing
to
centralize
praperly
4. CARRIAGE SHIFTS OUT OF TURN:
a.
Too
little
or
too
much
overlatch
of
Lever
C
on
Latch
D,
see
Adjustment
126
b,
Worn
or
loose
Roller
on
Power
Set
Cam,
11,
126
c.
Loose
Taper
Pins
or
loose
Hubs
on
Shift
Shaft
Assembly
d. Shift Clutch binding
e.
Power
Set
Disabling
Lever
binding,
118
8.
CARRIAGE
SHIFTS
THROUGH
TABULATOR
STOP;
a.
No
Stop
depressed.
b.
Lever
A
loose
or
very
wide
to
Slide
B,
f. Lubrication
5.
ERRORS,
UNDER
MULTIPLICATION:
(CHECK
BASIC
ADJUSTMENTS,
see
page
48):
see Adjustment 97
c.
Shift
Clutch
failing
to
release,
95,97
d.
Shift
Set-up
Lever
failing
to
delatch,
95,97
e. Carriage loose, 56, Step 2
9.
DIVIDEND
ENTERS,
KEY
REMAINS
LATCHED
MACHINE CONTINUES TO RUN:
a,
Key
not
being
delatched
by
upper
end
of
Lever A, see Adjustment 100
b, Keystem binding
¢.
Key
being
held
down
by
operator
10.
TABULATOR
KEY
FAILS
TO
LATCH
OR
STAY LATCHED:
a. Worn Latch point
b.
Not
enough
bite
on
Latch
e.
Spring
weak
or
off
d. Latch binding
e, Lubrication
a.
Check
Feed
Pawlfor
being
disabled
when
Unit
shifts;it
may
be
picking
upa
number
in
the
Shift
b.
Check
Cycle
Lock
Pinfor
wear
or
adjust-
ment,
54
c.
Adjustments
for
Add-Subtract
Gate
Gon-
trol,
113
to
125
inclusive
d.
Check
Multiplier
Selection,
sticky
Setting
Levers,
etc.,
107
e.
Check
Counter;
Upper
Dials
may
be
cor-
rect,
8B
to
94
inclusive
6.
ERRORS,
OVER
MULTIPLICATION:
(CHECK
BASIC
ADIUSTMENTS,
see
page
48):
a. Check Feed Pawl for proper count, 110
b.
Holding
Pawl
for
proper
latching
on
Seg-
ment,
110
¢.
Binds
in
Feed
Pawl
or
Holding
Pawl,
110
d.
Multiplier
Unit
Shift
adjustments,
I11