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M o
F
i Maintenance Manual
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Restricted Distribution
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This manual is intended for internal use only and may not be used
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by other than IBM personnel without IBM's written permission
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Specifications contained herein are subject to change without
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notice. Revisions and/or supplements to this publication will
be issued periodically.
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2 Card Read Punch
Models 5, 6, and 7
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PREFACE
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This manual prov ides the s erv ic e and maintenance
inf ormat ion f or the I B M 1442 Card Read Punch,
Models 5, 6, and 7.
Adjus t ment and remov al proc edures f or above-
base mec hanic al units of the s erial reader punch are (00;P)
explained in the I B M Field Engineering Maintenance
Manual, Serial Reader Punch, F o r m 231-0026.
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RESTRICTED DIS TRIB UTION: Th i s publ i c ati on is i ntended fo r use by IB M personnel
only and may not be made av ai l abl e to others wi thout the approv al o f l oc al IBM
management.
This edi ti on, Fo rm Y 31-0098-1, obsoletes the previous edi ti on Fo rm 231-0098-0.
Logic referenc es and adj us tment procedures hav e been updated.
Tec hni c al changes are i ndi c ated by a l i ne a t the l e f t of the tex t; al tered
figures are i ndi c ated by a bul l et (o) ahead o f the fi gure c apti on.
A for m is included at the back of this manual for readers' comments. I f this form has
been removed, address comments to: I B M Corporation, Pr oduct Publications, Dept. 245,
Rochester, M i nn. 55901.
C I nt er nat i onal Business Machines Corporation 1965
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CONTENTS
CHAPTER I . D I A GN OS TI C AIDS 1-1 Adj us tment Objec tiv es 4 - 2
1-1 Adj us tment Procedure 4 - 2
Section 1. Di a g n o s t i c Techniques
General Procedures 1-1 Card Feed E mi tter 4 - 3
Card Ex ami nati on 1-1 Servica Chec k 4 - 3
1-1 Adj us tment Objec tiv es 4 - 4
Operator Console E rror Indications
Section 2. S e rv i c e A i d Index. 1 - 3 Adj us tment Procedure 4 - 4
Section 3. S e rv i c e Aids 1-5 Punch E mi tter 4 - 4
Adj us tment Objectives 4 - 4
CHAPTER II. M A I NTE NA NCE FEATURES 2-1
Adj us tment Procedure 4 - 4
2-1 Inc remental Dri v e E mi tter 4 - 5
Diagnos tic Programs
CE S wi tc h 2-1
Adj us tment Objectives 4 - 5
2-1
Lamp Tes t Adj us tment Procedure 4 - 5
2-1 Punch Hol d Coi l Vol tage 4 - 6
I D a t a Pulse S wi tc h
Adj us tment Obj ec ti v e 4 - 6
CHAPTER ILL P RE V E NTIV E MA INTE NA NCE Adj us tment Procedure 4 - 6
PROCEDURES 3-1
3-1 Li ght Source Lamp Vol tage, Model s 6 and 7 4 - 6
Approac h to Scheduled Maintenanc e Adj us tment Objec tiv e. 4 - 6
4-1 Adj us tment Procedure 4 - 6
CHAPTER IV . CHE CK S A ND ADJUSTMENTS Li ght Source Lamp Vol tage , M o d e l 5
4-1
Mec hani c al Adjustments and Removals Adj us tment Obj ec ti v e 4 - 8
Card Feed Cl utc h Response Service Chec k 4-1
I Adj us tment Procedure
4 - 4 -8 8
4-1
Obj ec ti v e
Procedure 4-1
CHAPTER V . P OW E R SUPPLIES 5 - 1
Read Cl utc h Response Service Chec k , Model s 1442 Model 5 5 - 1
6 and 7 4-1
DC P ower Supply 5 - 1
4-1
Obj ec ti v e Use M e te r Trans former 5 - 1
Procedure 4-1
Power Supply 5 - 1
Read Data Pulse Service Chec k , Model s 6 and 7 4-2
Use M e te r Trans former 5 - 1
Obj ec ti v e 4 -2
Procedure 4-2
CHAPTER V I. L OC A TI ON S 6-1
Read E m i tter Ti m i n g and Durati on
Models 6 and 7 4-2
4-2 Index X-
Service Chec k
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S A FE TY
PERSONAL SAFETY
Ens ure y our own safety by using c aut ion at all t imes ,
and by being aware of pot ent ially dangerous areas of
the mac hine. R e a d and f ollow the safety suggestions
in Fo r m 229-1264, a pocket-sized c ard issued to all
I BM Cus t omer Engineers .
Remember: