IBM 29 Card Punch Field Engineering Maintenance Manual page 3

Preface
This publication provides information for the maintenance
of the IBM 29 Card Punch. The manualis written with
presupposition that the reader has a working knowledge of
the machine. As much applicable information as possible is
in each section of this manual. The sections are numbered
for easy reference. The sections are presented in a sequence
similar to the card path through the machine.
Timing adjustments for some units may vary among
machines due to features and engineering changes; refer to
the individual machine wiring diagram for accurate timing.
Special features are treated individually in a separate
manual, Field Engineering Theory — Maintenance, JBM 29
Card Punch Features, [BM 29 Interpreting Card Punch,
Model C, Form 223-2926.
Other related manualsare:
Field Engineering Theory of Operation, JBM 29 Card
Punch, Form 225-3358
Illustrated Parts Catalog, JBM 29 Card Punch, Form
124-0085
Reference Manual, JBM 29 Card Punch, Form A24-3332
Fourth Edition (April 1969)
This a major revision of, and obsoletes, Form 225-335 7-2, FE Supplement Form
$23-4035, and all earlier editions. Significant changes have been made throughout
this manual, including: new diagnostic flowcharts, Chapter 1; a new chapter,
Chapter 2; new lubricant specifications, Chapter 3; revised starwheel adjustments
and revised print suppress adjustments, Chapter 4. This manual should be
reviewed in its entirety. Changes are periodically made to the specifications
herein; any such changes will be reported in subsequent revisions or FE
Supplements.
This manual has been prepared by the IBM Systems Development Division,
Product Publications, Dept B96, PO Box 390, Poughkeepsie, N.Y. 12602. A form
for readers' comments is provided at the back of this publication. If the form has
been removed, comments maybesent to the above address.
©Copyright International Business Machines Corporation 1965, 1969