S225-3357-3 This Supplement No. SS23-4069 Novomber 23, 1970 Previous Supplement Nos. None IBM FIELD ENGINEERING MAINTENANCE MANUAL IBM 29 CARD PUNCH @IBM Corp. 1965, 1969 Pages to be inserted and/or removed are: Title Page, Preface iii through vi 1-9, 1-10 2-3, blank 3-1, 3-2 , 4-1 through 4-12 4-17 through 4-22 4-29, 4-30 4-35 through 4-41, blank X-1 through X-5, blank 3-5, 3-6 A change to the text is indicated by a vertical line to the left of the change; a changed o r added illustration is denoted by the symbol to the left of the caption. Summary of Amendments Maintenance Manual addition to list in Preface Additional troubleshooting aids in Chapter 1 Lubrication changes in Chapter 3 Checkout procedure change in Chapter 2 Adjustment tolerance changes in Chapter 4 Figure 4-41 changed to improve figure-to-component association Note: - Please file this cover letter a t the back of the manual to provide a record of changes. IBM Corporation, Product Publications, P. Box 390, Pough keepsie, N. I2602 Field ~ngineerirbg Maintenance Manual 2 Card Punch S225-3357-3 FES: SS234069 Preface This publicatibn provides information for the maintenance of the IBM 29 Card Punch. The manual is written with presupposition tfiifithe 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, IBM 29 C a d Punch Features, IBM 29 Interpreting Card Punch, Model C, S223-2926...