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In 1985 Digital Equipment Corporation gave permission for documentation for products no longer in production to be reproduced[1]. For other documents where possible we have obtained permission from the owner to use such material. We will remove, add an acknowledgement to, or suitably modify any copyrighted information if we are notified by the copyright owner of any infringement. All files have been compressed (WinZip).

The Teletype Story - a commemoration booklet produced by the Teletype Corporation in 1957 on their 50th anniversary of the Teletype - 6.6Mb zipped.

Teletype Corporation model ASR33, click for a larger image, photo licensed for reuse CCASA2.0

Model ASR33
Click for a larger image
Photo ©2014 Rama

Teletype Model 33 - other documents available - 43 - 35 - M28/M35 - BRPE - Winder - Tools

Bulletin 310B Vol 1 (parts 1-3) 1974 - Models ASR & KSR, 29.7Mb zipped.

Section 574-100-100TC - Introduction, 27 pages,
Section 574-100-103TC - Circuits, 33 pages,
Section 574-100-201TC - Installation, 20 pages,
Section 574-100-702TC - Removal and replacement of components, 8 pages

Section 574-121-100TC - Keyboard description and operation, 14 pages,
Section 574-121-701TC - Keyboard lubrication, 8 pages,
Section 574-121-702TC - Keyboard disassembly and reassembly, 6 pages,
Section 574-122-100TC - Typing description and operation, 48 pages,
Section 574-122-701TC - Typing unit lubrication, 27 pages

Section 574-122-702TC - Typing unit disassembly and reassembly, 11 pages,
Section 574-123-100TC - Call control unit operation, 13 pages,
Section 574-124-100TC - Tape Reader operation, 15 pages,
Section 574-124-701TC - Tape Reader lubrication, 8 pages,
Section 574-124-702TC - Tape Reader disassembly and reassembly, 3 pages,
Section 574-125-100TC - Tape Punch operation, 13 pages,
Section 574-125-701TC - Tape Punch lubrication, 16 pages,
Section 574-125-702TC - Tape Punch disassembly and reassembly, 2 pages,
Section 574-126-701TC - Cover lubrication, 2 pages

Bulletin 310B Vol 2 (parts 1-2) 1974 - Models ASR & KSR,16.3Mb zipped.

Section 574-121-700TC - Keyboard adjustments, 21 pages,
Section 574-122-700TC - Typing unit adjustments, 100 pages

Section 574-122-700TC - Typing unit adjustments, 61 pages,
Section 574-124-700TC - Tape Reader adjustments, 24 pages,
Section 574-125-700TC - Tape Punch adjustments, 28 pages,
Section 574-125-700TC - Cover adjustments, 7 pages,

Earlier versions

Bulletin 273B Vol 1 (1964) - Models 32/33, 23.6Mb zipped.
Bulletin 273B Vol 2 (1965) - Models 32/33, 16.7Mb zipped.
Bulletin 273B (1963) - Models 32/33 ASR, KSR, RO 1963, 20.6Mb zipped.
Bulletin 310B Vol 1 (1971) - Models 32/33, 17.7Mb zipped.
Bulletin 310B Vol 2 (1971) - Models 32/33, 10.2Mb zipped.
Bulletin 310B Vol 2 original (1968) - Models 32/33, 13Mb zipped.

Bulletin 11848B (1974) - Model 33 Page Printer Set Parts, 15.6Mb zipped.

Section 574-121-800TC - Keyboard UK Parts, 18 pages,
Section 574-122-800TC - Typing unit UP Parts, 49 pages,
Section 574-123-800TC - Call control Unit CCC Parts, 37 pages,
Section 574-124-800TC - Tape Reader UX Parts, 6 pages
Section 574-125-800TC - Tape Punch UPE Parts, 8 pages
Section 574-126-800TC - Cover and Table Parts, 17 pages

Earlier versions

Bulletin 11848B (1973) - Page Printer Set Parts, 8.69Mb zipped.
Bulletin 11848B (1971) - Page Printer Set Parts, 5.3Mb zipped.
Bulletin 11848B (1965) - Page Printer Set Parts, 6.3Mb zipped.

Receive, Send, Local loop, Mode, Auxiliary circuits, Reader, Power, Motors Etc.

Model 33 schematics June 1975 Teletype corporation dwg# 1180SD-A1 - 5.6Mb zipped.
Model 33 schematics June 1975 Teletype corporation dwg# 1180SD-A10 above with hand drawn 4915C Read Control - 8.69Mb zipped.
Model 33 private line wiring diagrams dwg#6353/4, April 1967 - 6.2Mb zipped.

Teletype Corporation model ASR35 at the Dalby Datormuseum Sweden, click for a larger image, photo used with permission

Model ASR35
Click for a larger image
Photo © Mattis - Dalby Datormuseum

Teletype Model 35 - other documents available - 43 - 33 - M28/M35 - BRPE - Winder - Tools

Bulletin 280B Volume 1 (1968) - Model 35ASR, 55.4Mb zipped.

Section 574-202-100 - Teletypewriter Set - Description and Operation,
Section 574-220-100 - Typing Unit (LP) - Description and Operation,
Section 574-220-701 - Typing Unit (LP) - Lubrication,
Section 574-220-702 - Typing Unit (LP) - Disassembly and Reassembly,
Section 574-222-100 - Keyboard (LAK) - Description and Operation,
Section 574-222-701 - Keyboard and Base (LAK) - Lubrication,
Section 574-222-702 - Keyboard (LAK) - Disassembly and Reassembly,
Section 574-223-100 - Transmitter-Distributor Base (LCXB) - Disassembly and Reassembly,
Section 574-224-100 - Non-Typing Re-perforator (LRPE) - Description and Operation,
Section 574-224-701 - Non-typing Re-perforator (LRPE) - Lubrication,
Section 574-224-702 - Non-typing Re-perforator (LRPE) - Disassembly and Reassembly,
Section 574-225-100 - Transmitter Distributor (LXD) - Description and Operation,
Section 574-225-701 - Transmitter Distributor (LXD) - Lubrication,
Section 574-225-702 - Transmitter Distributor (LXD) - Disassembly and Reassembly,
Section 574-226-100 - Electrical Service Unit (LESU) - Description and Operation,
Section 574-227-100 - Call Control Unit (LCCU) - Description and Operation,
Section 574-228-100 - Cabinet (LAAC) - Description and Operation,
Section 574-228-701 - Cabinet (LAAC) - Lubrication,
Section 574-232-101 - Re-perforator Bases (LRB) - Description and Operation,
Section 574-232-704 - Re-perforator Bases (LRB) - Lubrication,
Section 574-233-100 - Typing Re-perforator (LPR) - Description and Operation,
Section 574-233-701 - Typing Re-perforator (LPR) - Lubrication,
Section 574-233-702 - Typing Re-perforator (LPR) - Disassembly and Reassembly,
Section 574-235-100 - Answer-Back Unit - Description and Operation,
Section 574-235-701 - Answer-Back Unit - Lubrication,
Section 574-235-702 - Answer-Back Unit - Disassembly and Reassembly.

Bulletin 280B Volume 2 (1968) - Model 35ASR, 10.2Mb zipped.

Section 574-220-700TC - Typing Unit (LP) - Adjustments,
Section 574-220-700TC - Keyboard (LAK) - Adjustments,
Section 574-220-700TC - Transmitter Distributor Base (LCXB) - Adjustments and Lubrication,
Section 574-220-700TC - Non-typing Re-perforator (LRPE) - Adjustments,
Section 574-220-700TC - Transmitter Distributor (LXD) - Adjustments,
Section 574-220-700TC - Cabinet (LAAC) - Adjustments,
Section 574-232-703TC - Re-perforator Bases (LRB) - Adjustments,
Section 574-233-700TC - Typing Re-perforator (LPR) - Adjustments,
Section 574-233-700TC - Answer-Back Assembly - Adjustments.
Note: For information on motor units, see Bulletin 295B.

Bulletin 281B Volume 1 (1973) - Model 35KSR/RO, 17.7Mb zipped.

Section 574-201-100TC - Teletypewriter Set (KSR, RO) - Description and Operation,
Section 574-201-200TC - Teletypewriter Set (KSR, RO) - Installation,
Section 574-220-100TC - Typing Unit (LP) - Description and Operation,
Section 574-220-701TC - Typing Unit (LP) - Lubrication,
Section 574-220-702TC - Typing Unit (LP) - Disassembly and Reassembly,
Section 574-221-100TC - Keyboard and Base (LK, LB) - Description and Operation,
Section 574-221-701TC - Keyboard and Base (LK, LB) - Lubrication,
Section 574-221-702TC - Keyboard and Base (LK, LB) - Disassembly and Reassembly,
Section 574-226-100TC - Electrical Service Unit (LSEU) - Description and Operation,
Section 574-227-100TC - Call Control Unit (LCCU) - Description and Operation,
Section 574-229-100TC - Cabinet (LAC) - Description and Operation,
Section 574-229-701TC - Cabinet (LAC) - Lubrication,
Section 574-235-100TC - Answer-Back Unit - Description and Operation,
Section 574-235-200TC - Answer-Back Unit - Installation,
Section 574-235-701TC - Answer-Back Unit - Lubrication,
Section 574-235-702TC - Answer-Back Unit (LK, LB) - Disassembly and Reassembly.

Bulletin 281B Volume 2 (1973) - Model 35KSR/RO, 10.2Mb zipped.

Section 574-220-700TC - Typing unit (LP),
Section 574-221-700TC - Keyboard and Base (LK,LB),
Section 574-229-700TC - Cabinet (LAC),
Section 574-235-700TC - Answer Back Unit.

Bulletin 295B (1968) - Motor units, 2.2Mb zipped.

Section 570-220-100TC - Description and Principles of Operation,
Section 570-220-700TC - Adjustments,
Section 570-220-701TC - Lubrication,
Section 570-220-800TC - Parts.

Bulletin 1187 (1969) - Parts, 6.1Mb zipped.

Section 574-220-800TC - Typing Unit (LP) - 3 June 1969,
Section 574-222-800TC - Automatic Send-Receive Keyboard (LAK) - 2 August 1968,
Section 574-223-800TC - Transmitter Distributor Base (LCXB) - 2 August 1968,
Section 574-224-800TC - Non-typing Re-perforator (LRPE) - 2 August 1968,
Section 574-226-801TC - Electrical Service Unit (LESU) for ASR - 3 December 1969,
Section 574-227-800TC - Call Control Unit (LCCU) - 2 August 1968,
Section 574-228-800TC - Automatic Send-Receive Cabinet (LAAC) - 3 June 1969,
Section 574-236-800TC - Transmitter (LX) - 1 February 1969,
NOTE:For Motors refer to Bulletin 295B.

Bulletin 1201B (1975) - Parts, 11.4Mb zipped.

Section 574-220-800TC - 35 Typing unit,
Section 574-221-800TC - Send-Receive Keyboard (LK) and Receive only Base (LB),
Section 574-226-800TC - Electrical Service Unit (LSEU) - KSR/RO,
Section 574-226-803TC - Electrical Service Unit (LSEU) - Wall Mounted KSR/RO,
Section 574-227-800TC - Call Control Unit (LCCU),
Section 574-229-800TC - Console and Table Model Cabinet (LAC) - KSR/RO,
Section 574-229-801TC - Wall Mounted Cabinet (LPC) - KSR/RO.

ASR35 Circuit - 4.9Mb zipped.

Various documents - from Westrex and ICL, 20.3Mb zipped.

Misc wiring - 3.8Mb zipped.

Teletype M28/M35 - other documents available - 43 - 33 - 35 - BRPE - Winder - Tools

Western Union M28/M35 - 17.7Mb zipped.

Contents - Part 1, introduction
Part 2, inspection
Part 3, lubrication
Parts 4, Adjustment
Part 5, Cleaning
Part 6, Testing

Teletype Model 43 - other documents available - 33 - 35 - M28/M35 - BRPE - Winder - Tools

This new section of the Teletype Corporation manuals page has copies of the Model 43, a later device from Teletype with more internal control electronics than the previous very mechanical machines, some are very large downloads.

Bulletin 367 issue 2 - (5.5Mb zip). Operators manual.

Bulletin 367 - (1Mb zip). How to operate basic KSR, February 78.

Bulletin 368 issue 8 - (2.8Mb zip). Installation and routine maintenance.

Bulletin 368 - (0.86Mb zip). Installation and routine servicing of basic KSR terminals, March 78.

Bulletin 372 - (0.7Mb zip). How to operate basic RO, March 78.

Bulletin 373 - (0.83Mb zip). Installation and routine servicing basic RO terminals, March 78.

Bulletin 391 - (7.6Mb zip). Repair, April 78.

Model 43 punch / reader unit, circuit diagram - (0.7Mb zip). A reverse engineered circuit for the Model 43 reader punch unit, there are several anomalies on this circuit to be resolved, all are marked.

Teletype BRPE - other documents available - 43 - 33 - 35 - M28/M35 - Winder - Tools

BRPE Manuals - 6.8Mb zipped.

Bulletin 1154B - Parts
Bulletin 215BB - Manual

Teletype electric tape winder - other documents available - 43 - 33 - 35 - M28/M35 - Tools

Tape winder - 1.2Mb zip.

Introduction
General description
Principles of operation

Teletype tools - other documents available - 43 - 33 - 35 - M28/M35 - Winder

Tools - 9.3Mb zip.

Various outline drawings of adjustment tools with their part numbers

Paints and lubricants - 340kb zip.

Touch up paints, colours and finishes with their part numbers
Oil and greases with their part numbers

From the January 1985 Software Documentation Products Directory (EJ-26361-78), first page:
1	RIGHT TO COPY Beginning January 1, 1985, Digital customers are given a right to copy, at no charge, any Digital Archival Software Documentation Publication (excluding restricted or third party owned) that were no longer offered for sale. However, the copyright is retained as the exclusive property of Digital Equipment Corporation.[top]