Teletype 33 Adjustments

TELETYPE CORPORATION
Skokie, Winois, U.
s.
A.
SECTION 574-122-700TC
Issue 3, December, 1967
1.
2.
33 TYPING UNIT
ADJUSTMENTS
CONTENTS PAGE
GENERAL .••••.••.•••••.••.. 3
BASIC UNIT ..•.•.•••••.•••.. 9
Carriage Area
Final printing alignment ......... 129
Fourth pulse linkage positioning . . . • 59
Front rollers clearance .......... 50
Left slide guideplate reset. . . . . . . .
67
Power bail roller clearance ..••...
51
Print drive lever positioning ...... 55
Print hammer bail spring . . . . . . . • 57
Print hammer trip lever spring . . • . 57
Print suppression latchlever
endplay . ....................
62
Print suppression latchlever
release •••••••••..•••••••••• 63
Print trip lever release .......... 58
Print trip lever reset . . . . . . . . . . . 61
Rack and pinion backlash . . . . . . . . . 51
Rear rail position ..............
54
Rear roller clearance: ..........
55
Reset lever positioning ..........
60
Ribbon drive lever spring ........ 64
Ribbon feed pawl spring. . . • . . . • . .
64
Ribbon guide spring . . . • . . . . . . . .
57
Ribbon positioning . . . . . • . . • • . . .
68
Ribbon power lever drive. . . . . . . • .
69
Ribbon ratchet spring . . . . . . • . . . . 64
Ribbon reverse arm spring .......
64
Right Slide guideplate reset . . . . . . •
66
Rotary drive, bail spring .........
52
Slide guideplate springs .......... 56
S~ide springs . . . . . . . . . . . . . . . . . 53
Typewheel "home" position . . . . . . .
65
Typewheel positioning . . . . . . . . . . . 56
Typewheel return spring . . . . . . . . . 52
Vertical drive bail spring ........
52
Distributor Area
Brush holder gap . • . . • . . . • . . . . . 9
Brush holder position .
~
....•.... 12
Brush holder spring . . . . . . . . . . . . 14
Clutch latchlever spring .........
14
Clutch shoe lever gap ........... 11
Keyboard follower lever spring ..... 13
Shaft left bearing gap . . •
~
. . . . . . . 9
CONTENTS PAGE
Stop bail spring . • . • . . . . . . . . . . . 13
Trip lever engagement . . • • . . . . . . 127
Trip shaft position . . . .. . . . . . . . . . . 10
Form Feed Area
Cam lobe position - S . . . . . . . . . . . 7 4
Clutch shoe lever gap - S. . . . • . . . . 71
Form feed belt tension - S . . . . . . . • 70
Form-out bail spring - S. . . . . . . . . 84
Form-out contact operating bail
clearance - S. . . . . . . . . . . . . • . . . 84
Form-out contact pressure and gap -
s
84
Form-out lever overtravel - S . . • . .
73
Form-out lever - reset clearance
(early design) - S. . . . . . . . . . . . . . 77
Form-out lever - reset clearance
(late design) - S . . . . . . . . . . . . . . . 78
Form-out lever spring - S. . • . . . . . 73
Latchlever assembly spring - S . . . . 73
Latchlever spring - S . . . . . . . . . . . 71
Line feed bail spring - S. . . . . . . . . 82
Line feed lever line-up and
endplay - S . . . . . . .. • . . . . . . . . . . 72
Line feed lever spring - S • . . . . . . . 82
Line feed pawl stripping - S. . . . . . . 83
Line feed selection - S . . . . . . . . . . 82
Reset follower lever spring - S . . . . 74
Trip lever engagement - final - S. . 80
Trip lever engagement -
form-out - S . . . .. . . . . . . . . . . . . . 75
Trip lever engagement -
line feed - S . . . . . . . • . . . . . . . . . 79
Trip lever engagement -
preliminary - S . . . . . . . . . . . . . . . 76
Trip lever spring -
s . . . . . . . . . . .
71
Trip lever upstop P,<>Sition. - S . . . . • 81
Trip shaft endplay - S . . . . . . . . . . . 72
Function Area
Automatic codebar spring . . . . . . . . 40
Bearing alignment . . . . . . . . . . . . .
32
Be:µ clapper gap. . . . . . . . . · . . . . . . 48
Blocking lever springs . . • . . . . . . . 39
Carriage drive bail endplay . . . . . . . 48
Carriage return lever -
latch clearance . . . • . . . . . . . . . . . 47
©
1968 by Teletype Corporation
All rights reserved.
Printed in U.S. A. Page 1