Teletype 14 Manual

BELL SYSTEM PRACTICES
Plant Series
SECTION 572-103-700
Issue 8, December, 1964
AT&TCo Standard
14 TRANSMITTER-DISTRIBUTOR
REQUIREMENTS AND ADJUSTMENTS
CONTENTS PAGE
1. GENERAL . . . . . . . . . . - - - -
- - _ 2
2. STOP MAGNET AND MAIN-SHAFT
CLUTCH . . . . . . . . . . . . . . . . . . . 2
Armature backstop (on units
equipped with all-steel clutch) . . . . 8
Armature lever spring . . . . . . . . . 5
Armature plate . . . . . . . . . . . . . . 4
Bail spring (on units equipped with
all-steel clutch). . . . . . . . . . . . . . 8
Clutch-shoe lever (on units equipped
with all-steel clutch). . . . . . . . . . 7
Clutch-shoe lever spring (on units
equipped with all- steel clutch) . . . 8
Clutch-shoe spring (on units
equipped with all-steel clutch) . . . 7
Gear guard (on units equipped with
all-steel clutch). . . . . . . . . . . . . . 8
Latchlever spring (on units equipped
with all-steel clutch). . . . . . . . . . . 7
Latchlever stop (on units equipped
with all- steel clutch). . . . . . . . . . . 7
Magnet core . . . . . . . . . . . . . . . . 2
Main shaft . . . . . . . . . . . . . . . . .
2
Motor position. . . . . . . . . . . . . . . 2
Operating lever spring (on units
equipped with all-steel clutch) . . . . 8
Reset cam (on units equipped with
all-steel clutch) . . . . . . . . . . . . . . 7
Single-coil universal magnet . . . . . 10
Start magnet bracket . . . . . . . . . 5
Stop mechanism on machines
driven by ac-governed motors . . . 12
Stop mechanism with TP106976
make-start contact assembly . . . . . 12
Stoparm pilot screws . . . . . . . . . . 12
Stoparm spring . . . . . . . . . . . . . . 12
Stoplever (and latchlever) pilot
screws (on units equipped with
all-steel clutch). . . . . . . . . . . . . . 5
Stoplever pilot screws (on units
equipped with all- steel clutch) . . . .
5
Stop lever pilot screws (on units
equipped with friction clutch) . . . . . 4
Stoplever spring (on units equipped
with all-steel clutch). . . . . . . . . . . 5
CONTENTS PAGE
Stoplever spring (on units equipped
with friction clutch) . . . . . . . . . . . 5
Two-coil de magnet . . . . . . . . . . . 10
3. TAPE FEED MECHANISM
Adjustable tape guide . . .
Contact tongues alignment .
Detent bracket . . . . . . . . .
Detent-lever spring . . . . . .
Feed-lever adjusting screw .
Feed-lever stop . . . . . . . . .
Feed-pawl spring clearance .
Feed-wheel shaft . . . . . . . .
Operating lever adjusting screw ..
Retaining lid latch . . . . . . . . .
Retaining lid latch spring . . . .
Tape feed-pawl spring tension .
Tape guide . . . . . . . . . . . .
Tape retaining lid plate . . . .
Tape space . . . . . . . . . . . .
4. TRANSMITTER CONTACTS
Contact-lever movement ..
Contact-lever springs . . . . .
Feed-lever spring . . . . • . .
Lower contact screws . . .
Transmitter contacts . . .
Upper contact screws . . .
5. TAPE-FEED WITHHOLD
MECHANISM
Armature air gap . . . . .
Armature spring . . . . . . . .
Blocking plate clearance . . .
Feed-pawl clearance . . . . .
Feed-pawl spring . . . . . . . .
6. TIGHT-TAPE STOP
MECHANISM . . . . . . . . .
7. DISTRIBUTOR BRUSHES
(CARBON) . . . . . . . . . . . .
8. OPERATING CAM . . . . . . .
18
21
20
16
21
21
20
16
21
16
21
16
18
20
17
26
24
26
24
23
24
26
26
27
27
27
27
30
33
Prepared for American Telephone and Telegraph Company by Teletype Corporation
©
Teletype Corporation 1964
Printed in U.S.A. Page 1