Teletype 28 - Page 38

SECTION 573-118-700TC
2. 28 Punch Mechanism for Chadless Tape (continued)
Note 1: Adjustments on this page do not apply to tape printer.
Note 2: If unit is equipped with tape guide (Early Design), locknut must be loosened before
FEED HOLE LATERAL ALIGNMENT adjustment is made.
FEED HOLE LATERAL ALIGNMENT
Requirement
With reperforator operating under power, obtain a piece of tape containing a series of 9
BLANK
code combinations followed by a LETTERS combination. Open chads so code holes
are visible and place tape over TP156011 tape gauge with LETTERS combination feed holes
engaging feed pins. Large holes in gauge are same diameter as circular portion of code
holes in tape. Small holes in gauge serve as guide for gauging. Circular portion of code
holes in tape should be concentric with holes 1n tape gauge.
To Adjust
Loosen adjusting screw locknut and position adjusting screw. To move holes of gauge away
from reference edge of tape, move feed wheel toward front plate of punch mechanism by
rotating adjusting screw counterclockwise. To move holes of gauge toward reference edge
of tape, move feed wheel towards backplate of punch mechanism by rotating adjusting screw
clockwise. Tighten locknut. Refine DETENT LEVER (2. 27) adjustment to align lateral
centerlines of code holes and feed holes, if required.
- o) ;'PE
TAPE
GAUGE
TP156011
Page 38
0
0
B
§ § ! I § .
0
8
D
D
0 0
D
D
D
FEED WHEEL
,----~----,
.@) @ @ @, 0
L-r---r--'
I I
I
I'
I
ADJUSTING
SCREW
(Front View)
0
(Top View)
LOCKNUT