IBM Selectric Service Manual

LUBRICATION.
ADJUSTMENT
REMOVAL ••
ADJUSTMENT •••••••
BACKSPACE MECHANISM
BACKSPACE RACK ••••
BALANCE ARM ••••••
BELL-CLAPPER BELLCRANK LEVER
B ELL-RINGER-BAIL LEVER.
BELT REPLACEMENT •
CARR I ER AND ROCKER.
CARRIER RETURN INTERLOCK CONTACT.
CARRIER RETURN-LEVER ASSEMBLY
CARRI ER RETURN MECHANISM •••
CARRIER RETURN SHOE •••••••
CARRI ER RETURN-TAB INTERLOCK
CARRIER SHOE ••••••••••••
CARTRIDGE GUIDES •••••••••
CENTERING SPRINGS (RIBBON MECHANISM) •
CLUTCH LATCH OVERTHROW ••••
CLUTCH-RELEASE ARMS ••••••
CLUTCH-RELEASE ARM STOP PAD.
CLUTCH UNLATCHING LINK.
CONTACT LOCATIONS •
COPy-CONTROL LEVER •••
CORD T ENS ION ••••••••
CYCLE-CLUTCH AND CyCLE-SHAFT REMOVAL.
CYCLE-CLUTCH COLLAR ADJUSTMENT
CYCLE-CLUTCH LATCH BRACKET •
CyCLE-GLUTCH LATCH INHIBITOR ••
CYCLE-CLUTCH LATCH RESTORING •
CYCLE-CLUTCH MOUNTING BRACKET
CyCLE-CLUTCH SPRING •••••••
CYCLE-CLUTCH STOP ADJUSTMENT
CYCLE-CLUTCH TRIP MECHANISM.
CYCLE INSPECTION
CYCLE SHAFT
DEFLECTOR ••
DETENT CAM FOLLOWER
DIFFERENTIAL GUIDES
DRIVE BELT •••••••
ECCENTRIC RETAINING PLATES
ESCAPEMENT BRACKET ••
ESCAPEMENT CAM ••••••••
ESCAPEMENT MECHANISM •••
ESCAPEM ENT-TORQU E BAR STOP
ESCAPEMENT-TRIGGER GUIDE.
ESCAPEMENT-TRIP LINK.
EVEN PRINTING ••••••
FEED-ROLL ADJUSTM ENT •
FILTER SHAFf •••••••
FINE TIMING (TYPEHEAD)
GEAR MESH (OPERATIONAL SHAFT) •
GENERAL PROCEDURE.
IDLER GEARS ••••
INDEX LINK •••••
INDEX MECHANISM
INDEX-SELECTION CAM.
INDEX SELECTION SOLENOIDS
INTERMEDIATE LEVER ••••
INTERPOSER ADJUSTING SCREWS
INTERPOSER PULL LINK ••••
INTERPOSER RESTORING BAIL ••
KEY-LEVER PAWL OVERLAP (OPERATIONAL)
KEY-LEVER PAWL TO INTERPOSER CLEARANCE (OPERATIONAL)
K.O. PIVOT ECCENTRICS ........................ .
II
III
2.- I
2.-41
2-42
2.-2.1
2.-53
2.-52
3- 2
2-10
2-45
2-43
2-42
2-43
2-50
2-28
2-57
2-56
2-42
2-38
2-37
2-45
1- 8
2-27
2-35
3- 1
2-11
2-10
2- 6
2- 6
2- S
2-11
2- 5
2- 5
1-10
2-10
2-56
2-15
2- 2
2- 1
2-28
2-31
2-33
2-31
2-32
2-33
2-33
2-31
2-54
2-12
2-23
2-34
1- 1
2-
2-46
2-45
2-46
2-59
2-42
2-37
.
2-39
2-38
2-35
2-36
2- 4
LAST COLUMN CONTACT ........ ..
LATCH-BAIL SHAFT MOUNTING PLATE
LATCH-BAIL STOP ••••••
LATCH-PUSHER ASSEMBLY.
LINE-GAGE CARD HOLDER •
LINE LOCK BRACKET ••••
LINE-LOCK BRACKET ADJ. PLATE.
LUBRICATION ....... .
MAINSPRING AND CORDS
MAINSPRING TENSION ••
MARGIN-CONTROL MECHANISM
MARGIN FINAL STOP ••••••
MARGIN RACK ......... ..
MARGIN-RACK OVERBANK GUIDE.
MOTOR AND DRIVE •••••••
MOTOR CLUTCH PAWL STOPS
MOTOR PULLEY ........ .
MULTIPLYING-LEVER STOP
OPERATIONAL CONTACT AND LATCH ASSEMBLY.
OPERATIONAL-CONTROL MECHANISM
OPERATIONAL-FEEDBACK CONTACTS •••••
OPERATIONAL-LATCH HEIGHT •••••••••
OPERATIONAL LATCH-PIVOT-PIN ECCENTRIC
OPERATIONAL-MAGNET-ASSEMBLY •
OVERBANK •
PAPER BAIL
PAPER-FEED BRACES AND SUPPORTS.
PAPER-FEED MECHANISM •••••••
PAPER RELEASE ............... .
PAWL CLEARANCE (CARRIER RETURN)
PAWL CLEARANCE (TAB)
PAWL MOUNTING STUD
PLATEN ADJUSTMENT ••
PLATEN LATCHES ••••
PLATEN-OVERTHROW. STOP
PRINT-GAM FOLLOWER STUD
PRINT-FEEDBACK CONTACT C2
PRINT MECHANISM •••••••
PRINT-SELECTION MAGNET ASSEMBLY
PRINT-SLEEVE END PLAY .....
PRINTER CONTACT LOCATIONS
PUSHER BAIL ECCENTRICS
RATCHET-BRAKE SPRING.
REMOVALS AND REPLACE:MENTS
BACKSPACE-RACK •••
BELT ............. .
CARR( ER AND ROCKER
CARRIER-SHOE
CYCLE CLUTCH
CYCLE-GLUTCH PULLEY
CYCLE-SHAFT ••••••
DIFFERENTIAL-PLATE •
ESCAPEMENT-GAM-FOLLOWER
LATCH-PUSHER •••••••••
LOWER-BALL-SOCKET •••••
OPERATIONAL-CAM CHECK PAwL
OPERATIONAL-CAM FOLLOWER •
OPERATIONAL CONTACT SWlTCHES
OPERATIONAL-INTERPOSER-BRACKET
OPERATIONAL-LATCH-BRACKET ...
OPERATIONAL-MAGNET ASSEMBLY
OPERATIONAL-SHAFT ........ .
PRINT-MAGNET ASSEMBLY
ROTATE-SELECT ION-DIFFERENTIAL
ROTATE-SPRING
ROTATE-TAPE •
SELECTOR BAIL
SHIFT ARM_ •••
SHIFT-CAM •••
SHIFT-MAGNET ASSEMBLY.
TILT RING ••••••••••
TILT-SELECTION-DIFFERENTIAL
TILT-TAPE •••••••••••••
INDEX
2-53
2- 1
2- 2
2- 3
2-S5
2-52
2-53
I-I TO 8
2-34
2-35
2-51
2-52
2-51
2-51
2-
2- 1
2- 1
2-46
2-40
2-35
2-42
2-36
2-32
2-38
2-44
2-56
2-54
2-54
2-55
2-42
2<-48
2-32
2-28
2-28
2-46
2-31
2- 6
2-27
2- 4
2-14
1- 8
2- 3
2-56
3-10
3- 2
3-'4
3-13
3- 1
3-15
3- 1
3- 7
3-10
3- 9
3- 4
3-10
3-11
3-11
3-13
3-12
3-11
3-13
3- 9
3- 6
3- 4
3- 5
3- 8
3-'0
3-13
3-10
3- 4
3- 7
3- 6

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