Teletype 28 Adjustments

TELETYPE CORPORATION SECTION 573-140-700TC
Skokie, Illino is, U.S.A. Issue 1, July, 1964
• 28
TAPE PRINTER UNIT (STOCK TICKER)
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ADJUSTMENTS
CONTENTS
CONTENTS
1. GENERAL . . . . . .
PAGE
2
Pr essu re roller spring . . . .
Print hammer accelerator trip
lever overtravel . . . . .
2.
MANUAL OPERATION OF
THE UNIT . . . . . . . .
CONDITIONING OPERATIONS
TAPE PRINTER .
Codebar Mechanism
Clutch
drum
position
Clutch shoe lever .
Clutch shoe leve r spring.
Clutch shoe spring . .
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Codebar cam follower spr ing . . .
Codebar clutch and function clutch
trip levers .. . . . . . . . . .
Codebar clutch latchlever sprlng
Codebar detent sp r ing . . . . .
Codebar mechanism. . . . . .
Codebar shift lever drive arm .
Codebar shift leve r
link
br acket
Intermediate arm downstop bracket .
Transfer lever eccentric
Transfer lever spring .
Trip shaft lever spring
Funct ion Mechanism
Accelerator drive sprlng
Clutch drum position . .
Clutch shoe lever . . . .
Clutch shoe lever sp ring
Clutch shoe spring . . . .
Detent spring (print hammer).
Detent s pr ing (ribbon) . . . .
Feed pawl spring . . . . . .
F unction cam follow er spring
Function clutch trip lever
follower spring . . . . . . .
Function clu tch trip levers. .
Function c lutch latchlever spr ing .
2
3
4
19
19
20
20
18
17
17
16
16
12
15
14
13
13
17
25
19
19
20
20
23
32
32
24
18
17
17
Print hammer head spring .
Print hammer lever spring.
Print hammer mechanism
selector slide . . . . . .
Print hammer trip lever . .
Print hammer tr ip lever sp ring
Ribbon fe ed mec hanism drive slide
Ribbon ratchet wheel torsion
Tape margin . . . , . . .
Tape fe ed pawl spring . . .
T ape feed ratchet detent . .
Tape feed - ribbon feed cam
lollower s pr ing . . . . .
T ape feed wheel ce nt e ring
Tape feed wheel detent
Trip s haft lever spring
Positioning Mechani sm
Aggregate motion s pr ing .
Character alignment. . .
Clutch latchlevers . . . .
Clutch latchlever springs
Clutch shoe lever spring
Typ ebox alignment . . . . . .
Typebox alignment (front to rear) .
Typebox alignment (transve r se).
Typebox ca r riag e roller
arm spring . . . . . . . . . .
Typebox clutch shoe lever . .
Typebox ra ck and pinion . . . .
Typebox rail positioning tr ip slide
Sele c tor Mecha ni s m
Clutch shoe lever .
Clutch s hoe lever sp rin g .
Clutch shoe spring. . . .
Marking locklever spri ng
Push lever r eset bail spring
©
1964 by Te letype Corp oration
All rights reserved .
Printed in U.S.A .
PAGE
31
24
33
26
23
25
26
32
32
29
30
30
29
31
30
17
22
35
21
22
23
36
33
34
36
20
28
27
19
20
20
7
10
Pagel