FRIDEN STW - Page 48

Page 48 FRIDEN CALCULATING MACHINE Co., INC. 6-15-50
MODEL STW
CHAPTER 11. SERVICE PROSLEMS AND WHAT TO CHECK
NOTE:
Numbers
listed
after
certain
items
in
this
Check
List
refer
to
adjustments
related
to
that
item.
a
ERRORS
IN
ADDITION
AND
SUBSTRACTION
1, CONDITION OF PARTS:
a. Worn or damaged Trensfer Lever
b. Worn Transfer Cam on Accumulator Dial
¢, Broken, worn or damaged Transfer Gear
d. Worn, loase or damaged Accumulator Dial
Gear
e. Transfer Lever missing Transfer Cam
£. Worn Transfer Lever bearings in Gar-~
risge Frame
g- Stuck Detent Ball in Accumulator Dial,
Add-Subtract Gear Shaft or Transfer Pin
h, Spring missing or broken in Detent
i. Worn or damaged Add-Subtract Gear *
j. Spring Transfer failing
k, Loose Pins in Add-Subtract Gate Shaft
1, Worn Hub 6081 on Gate Control Lever
m/# Worn or damaged Genevaor Geneva Disc
on Actuator
n.
Worn
or
damaged
Selecting
Gear
0. Worn or damaged Cycle Lock Pin
p. Backlash in Actuators
q. Key Board Clear Mechanism, 36
2.
CARRIAGE
ADJUSTMENTS:
a.
Carriage
too
loose
or
too
tight,
56
pb.
Adjustment
of
Transfer
Levers
to
Trans-
fer
Gears,
56
c.
Carriage
Shift
Rack
loose
or
out
of
ad-
justment,
57
d,
Transfer
Lever
alignment,
55
3. ADD-SUBTRACT GATE CONTROL ADJUST-
MENTS:
a. Add-Subtract Gate Centralizer, 60
b.
Plus-Minus
Keys
to
Gate,
61
¢, Add-Subtract Gate Stops, 63,89,121
a. Cycle Lock Pin, 54
e.
Extra
Transfer,
58,59,65
f£. Geneva setting, 19
g- Loose Screws or Studs
NOTE:
ALWAYS
check
these
points
first
when
errors
occur,
regardless
of the
operation
in which
errors
are
noted,
+, ERRORS IN COUNTER
1,
CONDITION
OF
PARTS:
-
a,
Worn
or
bent
Counter
Primary
Tooth
b.
Bent
Counter
Secondary
Tooth
¢.
Blockout
Lever
on
#1
Counter
Tooth
out
of
line
d.
Gounter
Blocking
Slide
worn
or
autof
ad-
justment
e,
Secondary
Lug
cutting
into
Primary
Tooth
£,
Loose
Serews
or
Studs
g.
Worn
or
damaged
Oscillator
Arm,
62
h,
Worn
or
damaged
Oscillator
Cam,
62
2. ADJUSTMENTS:
a. Adjustment to right or left for full throw,
90
». Adjustment of Rocker Lever far proper
clearances, 88
¢. Spiral alignment of Secondary Teeth, F,
93,94
d.
Counter
Blocking
Slide
adjustment,
89
e. Multiplier Non-Entry adjustment, 91
3. FAILS TO COUNT:
a, Dividend Tabulator Counter Blocking Slide
binding, 101
b. Adjustment off on right and left for full
throw, 90
c¢. #1 Counter Primary Tooth bent, 93
d. Multiplier Non-Entry engaged or binding,
91
4. FAILS TO TRANSFER:
a. Secondary Counter Tooth bent, 93
b. Secondary Counter Tooth hitting bottom
of Notch in Cam, 94
¢. Spring off or parts binding
d, Primary Counter Tooth bent, 93
5. SECONDARY PICK-UP: (False Transfer):
a. Spiral alignment of Secondary Teeth out
of adjustment, 94
b. No thrust Spring in Counter Dial, Count-
er
Dial
dropping
down
in
the
way
of
Sec-
ondary Tooth
¢c. Worn or loose Counter Blackout Cam
6. COUNTER PICKS UP WHILE CARRIAGE 1S
SHIFTING:
a, Counter adjusted too far forward, 88
b, Counter Blocking Slide worn or outof ad-
* justment, 89
c. Blocking Lever on #1 Counter Tooth bent,
ag
c. DIVISION ALIGNER
1. CONDITION OF PARTS:
a. Inside Division Latch not holding, check
spring
b. Worn or damaged Latches on Shift Actu-
ator, 80,81,82
c. Sensing Lever or Gam on Throwout Shait
worn, 78
d. Sensing Fingers worn or sticking, 84
2. ADJUSTMENTS:
a. Shift Actuator adjustment and alignment
to Shift Controllers 80,81
b. Latches for restoring in Home Position,