FRIDEN STW - Page 137

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ITEM
13
FRIDEN
CALCULATING
MACHINE
CO.,
INC..
Page
3
FRIDEN
CALCULATING
MACHINE
TEST
OPERATING
BARS
Depress
each
of
the
following
Controls
several
times
and
check
for
sticking,
touching
cover
slots,
proper
operation,
etc.:
Plus
Key
Left
Shift
left
Div.
K.
B.
Clear
-
Minus
Key
Right
Shift
Stop
Key
K. Be
Lock
Enter
Div'd
Add
Key
Right
Div.
Counter
Control
Mult.
Neg.
Mult.
Both
Div.
Mult.
Non-Entry
Mult.
Clear
Accum.
Mult.
Carr.
Clear
Repeat
Mult.
Depress
each
Tabulation
Key
from
one
to
eight,
making
sure
that
each
key
remains
down
and
restores
the
key
which
was
already
down.
Start-
ing
with
the
Zero
Tab.
Key,
depress
Enter
Div'd
Key
and
check
for
the
proper
Carriage
Tabulation;
then
the
#1
Tab.
Key,
#2
Tab.
Key,
etc.,
until
all
Tab.
Keys
are
checked
for
proper
operation
and
proper
Dividend
entry.
Work
any
Multiplication
problem
to
prove
proper
action
of
Multiplier
Keyboard,
Multiplier
Correction
Key,
Accumulative
Multiplier
Key,
Negative
Multiplier
Key,
and
Repeat
Multiplication.
CARRIAGE SHIFT
Using
the
Shift
Keys,
make
sure
the
Carriage
shifts
freely
into
each
position,
both
from
Left
to
Right
and
from
Right
to
left.
Make
sure
the
Shift
Keys
do not
bind,
rub
on the
cover,
etc.
Hold
the
Keys
down
and
also
use
individual
depressions.
Work
any
10
digits
in
Keyboard
by
10
digit
Multiplier
and
check
for
proper
Automatic
Carriage
Shift.
Work
any
20
digits
by
10
digits
in
Division
and check
for proper
Automatic
Carriage
Shift,
both to the
Right
and Left.
POWER SHIFT ACT. MECH.
Shift the Carriage to the extreme Right. Check for the proper operation
of the Power Shift Actuating Mechanism by depressing the Carriage
Clear Key. Observe that the Carriage begins to shift on the second
cycle of the machine. If the Carriage is hesitating at the start or
akips a shift now and then, this denotes that the Power Shift Actuating
Mechanism is not latching or is not functioning properly. Test this
action on each operating Key which returns the Carriage to first
position. ie
AUTO. CARRIAGE CLEAR
Enter figures into the Upper and Lower Dials. Shift the Carriage to
the right, depress the Carriage Clear Key. Observe the proper clear-
ance of the Dials when the Carriage returns to first position. Test
with the Multiplier Key also.
CARRIAGE CLEAR RACKS & SPLIT & NORMAL CLEARANCE
Try Optional Clear and Split Clear Knobs in both positions and check
for
freeness,
proper
detent
action,
rubbing
on
Cover,
etc.
Manually
clear
the
Dials;
check
for
proper
clearing
action.
All
Upper
Dials
should
clear
when
the
left
Half
of
Clear
Rack
is
locked
in,
but
only
to the position of the Split (7th, 8th, 9th) if Left Half of the Clear
Rack is not locked in.