Teletype 28 Adjustments

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TELETYPE CORPORATION
Skokie, Illinois, U.S. A.
SECTION 573-121-700TC
Issue 6, February, 1966
28·REPERFORATOR AND TAPE PRINTER BASES
ADJUSTMENTS
CONTENTS PAGE
1. GENERAL ......•...•..•.•..•.
2. RECEIVE-ONLY BASES . . . . . . . . •
Intermediate Drive Mechanism
Gear mesh . . . . . . . . . . . . • . . . . .
Timing belt . . . . . . . . . • . . . . • . . .
Wire tape guide . . . . . . . • . • . • . . .
Tape-Out Mechanism
Switch lever . . . . . . . . . . . . . . . . .
Switch lever springs . . . . . . . . . . . •
Switch mechanism mounting plate ..•
Tape-out lever . . . . . . . . . . . . . . . .
Tape-out lever spring . . . . . . . . . . .
Variable Speed Drive Mechanism
Gear assembly. . . . . . . . . . . . . . . .
Gear shift guide plate • . . . . . . . . . .
Grease retainer plate . . . • . . • • . . .
Motor adjusting stud. • . . . . . . • • ..
Timing belt . . . . . . . • • . • . . • . • . •
1
3
5
5
5
4
3
4
3
3
7
6
7
7
7
3. MULTIPLE RECEIVE-ONLY BASES • 9
Drive Mechanism
Timing belt. . . • . • . . . . . . . . . . . . 9
Motor adjusting stud·. . • . . . . . . . . . 11
Tape-Out Mechanism
Tape-out lever spring. . • • . . . . • . . 10
Tape-out switch assembly. . . . . . • . 10
4. AUXILIARY RECEIVE-ONLY BASES 12
Drive Mechanism
Intermediate drive assembly . . . . . . 13
Tape container. . . . . . . . . . . . . . . . 13
Timing belt. . • . • . . . . . • . • • • • . . 13
CONTENTS PAGE
Tape-Out Mechanism
Switch lever spring. . • . . . . . . . • • • 12
Tape-out lever. . • . . • . . . . . . • • • . 12
Tape-out lever spring. . . . . . . . . . . 12
Tape-out switch assembly . . . • • . . • 12
5. RECEIVE-ONLY MINIATURIZED
TAPE PRINTER BASE . . • . . . • • • . 14
Pinion and gear . . . . . . . • . . • . . . . 14
6. RECEIVE-ONLY MINIATURIZED
TYPING REPERFORATOR BASE 16
Base Assembly and Variable
Speed Mechanism
Variable speed mechanism . . . . . . . 19
Vibration isolator immobilization . • . 19
Tape Container Assembly . • • . . .
Low tape switch. . . . • . . . . . • . . . . 18
Switch bail spring. . . . • . . . . • . • . . 18
Tape container. . . . . . . . . . . . . • • . 17
Tape-out switch. . • . . . . . • . . . . . • 18
Tape sensing bail spring . . . . • • • . . 18
Tape Guide and Control
Panel Bracket
Control panel bracket . . . . . . . . . . . 16
Tape guide . . . . . . . . . . . . . . . . . . 16
7. SLIDING SUBBASE. . . . . . . . . . . . . 21
Quick disconnect knob. . . . . . • • . . . 21
Quick disconnect latch . . . . . • . . . . 21
Stabilizing bracket . . . . . . . . . . . . . 21
1. GENERAL
1. 01 This section contains the sepcific adjust-
ments for the following 28 reperforator
and tape printer bases:
© 1966 by Teletype Corporation
All rights reserved.
Printed in U.S. A. Pagel