Teletype 28 Manual

Teletype 28 Manual

Transmitter distributor unit (lxd)
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TELETYPE CORPORATION
Skokie, lllinois, U.S. A.
SECTION 573-127-703TC
Issue 1, May, 1967
28 TRANS.MITTER DISTRIBUTOR UNIT (LXD)
ADJUSTMENTS
CONTENTS
PAGE
1.
GENERAL. . . . . . . • . . . . . . . . . . .
2
2.
BASIC UNITS . . . . . . . . . . . . . . . .
4
Basic Gear Adjustments
Intermediate gear -
transmitter
distributor gear backlash. . . . . . . . .
31
Armature bail spring . . . . . . . . . . .
7
Clutch latchlever spring . . . . . . . . .
6
Clutch magnet assembly . . . . . . . . .
7
Clutch shoe lever. . . . . . . . . . . . . .
5
Clutch shoe lever spring . . . . . . . . .
4
Clutch shoe spring . . . . . . . . . . . . .
4
Clutch trip lever . . . . . . . . . . . . . .
6
Clutch trip lever spring. . . . . . . . . .
6
Main bail latch spring. . . . . . . . . . .
7
Feed pawl. . . . . . . . . . . . . . . . . . .
22
Feed pawl spring. . . . . . . . . . . . . .
22
20
Feed wheel detent. . . . . . . . . . . . . .
21
Main bail . . . . . • . . . . . . . . . . . . .
20
Main bail spring. . . . . . . . . . . . . . .
20
Main bail trip lever . . . . . . . . . . . .
20
Sensing pin spring . . . . . • . • . . . . .
21
Main Bail and Transfer
Locking bail spring. . . . . . . . . . . . .
23
Main bail . . . . . . . . . . . . . . . . . . .
24
Stabilizer spring . . . . . . . . . . . . . .
25
Transfer bail stabilizer. . . . . . . . . .
25
Transfer lever spring. . . . . • . • . . .
23
Drive link spring . . . . . . . . . . . . . .
26
Signal contact clearance . . . . . . . . .
26
Signal contacts -
electrical . . . • . .
27
Signal contact spring. . . . • . . . . . . .
26
CONTENTS
PAGE
Start-Stop Switch Assembly and
Tight-Tape Mechanism
Start- stop switch bracket. • . . .
Start-stop switch bracket (for units
equipped with tape lid sensing lever)
Tight-tape intermediate arm . . • . .
Tight-tape intermediate arm
spring • • • . • . • . • • . . . . . . . . . • .
Tight-tape start-stop contact
spring . . . . • . • . • . . • . • • • • . . . •
Tape Lid
Start-stop detent bail spring . . • • . • •
Tape guide • . . . . . . . • . . . . . • • . •
Tape guideplate • • . . . . . • . . . . • • .
Tape lid . . • . . . . . . . . . . . . . • . • .
Tape lid release plunger spring ..••
Tape lid spring • . • • . • . . . • • • . •
Tape-Out Switch Assembly
Depressor bail torsion spring •••
Intermediate tape-out bail spring •••
Tape-out contact assembly •••••.••
Tape-out contact bracket ••.••••••
Tape-out sensing pin •••••.••••••
Tape-out sensing pin (for units
with tape lid sensing lever) • . . • • • .
Tape-out sensing pin spring ••.••••
Top and Cover Plates
Cover plate • • • • • • . • . . . • • • . • • .
Cover plate detent spring ••••••.••
Top plate . . • • • . . • . • • • • • . • • • •
3.
VARIABLE FEATURES •••••.••••
Auxiliary Contacts
Auxiliary contact operating
17
18
19
19
17
10
9
11
8
10
10
15
15
14
14
15
16
14
13
13
12
32
bail spring • • . • • • • • . . • • • . • • • •
41
Contact sensing arm. • • • • • • . • • • •
41
' 1962 and 1963 by Teletype Corporation
All rights reserved.
Page 1
Printed in U.S. A.
l

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