IBM Selectric Reference Manual

CONTENTS
ADJUSTMENTS SECTION 2
Page
Motor and Drive ............................................. 1
Keyboard Section ............................................ 1
Latch Pusher
Assembly ........................................ 7
Print Selection Magnet Assembly, Early .......................... 7
Print Selection Magnet Assembly, Late ........................... 9
Cycle
Clutch Trip Mechanism, Late .............................. 10
Cycle Clutch Trip Mechanism, Early ............................. 11
Inhibitor .................................................. 11
Print Selection Contact Assembly ............................... 11.
Print Feedback Contact Assembly C1, C2 ........................ 12
Keylever Contacts ........................................... 13
Keyboard Lock Mechanism .................................... 13
Keyboard Lock Mechanism (Solenoid Operated) ................... 14
Shift Mechanism ............................................ 16
Shift Magnet Assembly ....................................... 20
Shift Contact Assembly ....................................... 22
Cycle Clutch
............................................... 23
Carrier and Rocker .......................................... 26
Alignment ................................................. 31
Print Mechanism, Early ....................................... 42
Print Mechanism, Late ....................................... 46
Escapement Mechanism ...................................... 51
Mainspring and Cords ........................................ 54
Operational Control Mechanism ............................... 55
Operational Magnet Assembly, Early ........................... 58
Operational Magnet Assembly, Late ............................ 59
Operational Contact & Latch Assembly (Unit Removed) ............. 61
Operational Contact & Latch Assembly (Unit Installed) ............. 61
Operational Contact & Latch Assembly, Late Style ................. 62
Operational Feedback Contacts ................................ 63
Spacebar Mechanism ........................................ 63
Backspace
Mechanism ....................................... 67
Carrier Return Mechanism .................................... 68
Index Mechanism, Late ....................................... 73
Index Mechanism, Early ...................................... 74
Tabulator Set and Clear Mechanism ............................ 75
Tabulator Mechanism, Late ................................... 76
Tabulator Mechanism, Early ................................... 78
Margin Control Mechanism ................................... 81
Last Column Contact ......................................... 85
Paper Feed Mechanism ...................................... 86
Fabric Ribbon
Mechanism ..................................... 88
Ribbon
Shift Mechanism ...................................... 89
Covers and Mounts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

IBM Selectric Specifications

General

Type	Electric typewriter
Introduced	1961
Keyboard Layout	QWERTY
Carriage Return	Electric
Manufacturer	IBM
Printing Technology	Typeball (golf ball)
Power Source	AC Power
Power Supply	120V AC