Teletype 28 Manual page 53

2. 49 Printing Mechanism (Cont.)
PRINTING TRACK
REGUIREMENT
ISS 8, SECTION 573·115-'lOOTC
PRINTING TRACK IN ITS EXTREME DOWNWARD POSITION. BLANK SELECTION IN FIGURES.
PRINTING HAMMER OPERATING BAIL LATCHING EXTENSION HELD WITH LEFT FACE IN LINE
WITH THE LATCH SHOULDER. PRINTING ·ARM SLIDE POSITIONED ALTERNATELY OVER EACH
TRACK MOUNTING SCREW. PRINTING BAIL RESET EACH TIME. CLEARANCE BETWEEN LATCHING
EXTENSION AND OPERATING BAIL LATCH SHOULD BE
MIN. 0.015 INCH
MAX. 0.040 INCH
TO ADJUST
POSITION THE
P~INTING
TRACK UP OR DOWN WITH ITS MOUNTING SCREWS
LOOSENED. TIGHTEN SCREWS.
(C)
PRINTING HAMMER OPERATING BAIL
PRINTING HAMMER PLUNGER SPRING
REQUIREMENT
MIN. 3 OZS.
MAX. 5-3/4 OZS.
TO START PLUNGER MOVING.
~
PRINTING HAMMER BAIL
PRINTING HAM~ER
YIELD SPRING
SPRING ADJUSTING BRACKET
PRINTING HAMMER OPERATING BAIL
SPRING (NOT AS ILLUSTRATED)
REuUIREMENT
PRINTING HAMMER YIELD SPRING
REQUIREMENT
PRINTING HAMMER OPERATING BAIL
AGAINST ITS STOP.
OPERATING BAIL LATCHED.
SPRING ADJUSTING BRACKET IN LEFT-
HAND NOTCH. HAMMER YIELD SPRING
UNHOOKED.
MIN. 10 OZS.
MAX. 13 OZS.
TO START BAIL MOVING.
MIN. 1 OZ.
MAX. 2-1/2 OZS.
TO START HAMMER BAIL MOVING
(HORIZONTAL POSITION).
PRINTING HAMMER OPERATING BAll lATCH
SPRING (NOT AS IllUSTRATED)
REQUIREMENT
PRINTING TRACK IN ITS EXTREME UPWARD
POSITION.
MIN. 3 OZS.
MAX. 4-1/2 OZS.
TO START LATCH MOVING.
PRINTING ARM SLIDE
(FRONT VIEW)
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