Teletype 28 - Page 30

SECTION 573-118-700TC
2. 20 Punch Mechanism (continued)
PUNCH MOUNTING
PLATE (Final)
(1) Requirement
Select LETTERS code combination (12345). Rotate until function clutch trips with punch
levers in extreme left-hand position. Clearance between punch slide and punch slide latch
Min 0. 015 inch---Max 0. 045 inch ·
at slide where clearance is least.
To Adjust
Loosen perforator mounting screws, adjusting clamp lockscrew, adjusting clamp pivot
screw, and anchor bracket screw until friction tight. Place tip of screwdriver between
screw and rim of pry hole and pry perforator up or down. Tighten only adjusting clamp
lockscrew.
(2) Requirement (For typing reperforator with spring retracted punch unit)
With unit in stop position and type wheel in letters field, clearance between letter
"Z" on type wheel and top of stripper platform
r-----Min 0.090 inch---Max 0.110 inch
(3)
Requirement (For typing reperforator with power retracted punch unit)
With unit in stop position and type wheel in figures field, clearance between figure "5"
on type wheel and top of stripper platform
1-----Min 0. 075 inch---Max 0. 095 inch
To Adjust
Remove ribbon from carrier. Position perforator with two mounting screws, adjusting
clamp pivot screw, and anchor bracket screw loosened. Tighten screws. Check RESET
BAIL
TRIP LEVER (2. 24) adjustment for some clearance and adjust if necessary.
TYPE WHEEL -~
PJ!':RFORATOR
MOUNTING SCREW
4.1 ~
TYPE WHEEL
CHARACTER
''Z" OR
FIGURE
"5"
STRIPPER
PRY HOLE
-------....l,--f""'
ANCHOR BRACKET SCREW
(Alternate Position)
PERFORATOR MOUNTING SCREW
Page 30
ADJUSTING CLAMP
LOCKSCREW
ADJUSTING CLAMP
PIVOT SCREW
PUNCH SLIDE
LATCH
ANCHOR BRACKET
SCREW
(Front·View)