Below is information for typewriter repairman or repairwomen, that want to figure out what is the MECH CODE for a part they need. This will help to identify the part number.
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IBM Typewriter Product Names:
IBM Selectric 7XX
IBM Selectric II and correcting selectric II 8XX
IBM Selectric III and correcting selectric III 670XX
MECH CODE LOCATOR:
01 Backspace / 02 Carrier
22,26,49 Cardholder Charts / 02 Carrier
02 Rocker
03 Carrier Return
04,05 Covers & Mounting
05 Covers & Mounting / Cover
06 Escapement / 07 Escapement Half/Backspace
08 Frames / 09 Margins (NR B/S)
10 Margins (RB/S) / 11 MOTOR & DRIVE
12 PLATEN / 13 FABRIC RIBBON
14 FILM RIBBON
15 SELECTIVE RIBBON / 16 SHIFT
17 SPACEBAR / 18 TAB
18,19 TAB
20 INDEXING
21 KEYBOARD
22 PAPER FEED
23 SELECTION / 24 ROTARY BACKSPACE/EXP BACKSPACE
25 OPERATIONAL CONTROL / 25 OPERATIONAL SHAFT CONTROL
