Function Mechanism; Function Reset Bail Blade; Function Reset Bail Spring - Teletype 28 Manual

ISS 8, SECTION 573-115-700TC
2. 32 Function Mechanism
TOP VIEW
RESET BAIL BLADE ASSEMBLY
RESET BAIL BLADE MOUNTING SCREWS -------~-----..1
(B) FUNCTION RESET BAIL SPRING ---WITH TYPING UNIT INVERTED, HOLD 11 CODE BAR IN ITS
MARKING POSITION SO THAT NO FUNCTION BAR IS SELECTED. ROTATE MA1N SHAFT UNTIL
FUNCTION RESET BAIL SPRINGS ARE IN THEIR MINIMUM LENGTH POSITION. HOOK A 32
OZ. SCALE (BETWEEN CLUTCH TRIP SHAFT AND SPACE SUPPRESSOR BAIL) ON FRONT EDGE OF
RESET BAIL (AT MIDDLE OF BAIL) AND PULL REARWARD.
MIN. 10 OZS. ---------------------------MAX. 22 OZS.
(TO
START BAIL MOVING).
RESET BAIL SPRING
(LEFT SIDE VIEW)
FUNCTION PAWL
[
~FUNCTION
PAWL
FUNCTION BAR
FUNCTION LEVER
' a
,. FUNCTION LEVER
(LEFT SIDE PARTIAL VIEW)
APPLY TENSION OF
APPLY TENSION OF NOT MORE
THAN
LL.BS...
TO LATCH
RESPECTIVE FUNCTION LEVER
NOT MORE THAN 32 OZS.
TO MOVE FUNCTION PAWL.
SET BAIL BLADE MOUNTING SCREWS REARWARD.
(A) FUNCTION RESET BAIL BLADE (fOR UNITS WITH 2-STOP FUNCTION CLUTCH SEE PAR. 4.09}
(1) REQUIREMENT ---WITH ALL.CLUTCHES DISENGAGED, TRIP CODE BAR CLUTCH AND TURN MAIN
SHAFT UNTIL CODE-BAR CLUTCH TRIP LEVER JUST TOUCHES ITS STOP LUG. UNLATCH ALL
FUNCTION PAWLS FROM THEI.R FUNCTION BARS. HOLD RESPECTIVE FUNCTION BAR IN ITS
EXTREME REARWARD POSITION WITH SPRING HOOK; CLEARANCE BETWEEN FUNCTION BAR
. AND RESET BAIL BLADE SHOULD BE
MIN. 0.018JNCH ---------------------------------------------------MAX.
0.035
INCH
TO CHECK--- MEASURE CLEARANCE AT BARS IN STUNT BOX SLOTS, NO'S 1
I
4, 11
I
18, 23, 33
I
38 AND 41. IF A DESIGNATED SLOT IS VACANT, USE NEAREST BAR OR SELECT BAR WITH
HIGHEST NUMBERED SLOT WHEN A BAR IS LOCATED ON BOTH SIDES OF VACANT SLOT.
(VIEW SLOTS FROM REAR, NUMBERING FROM LEFT TO RIGHT).
TO ADJUST--- POSITION BLADE ON RESET BAIL WITH ITS MOUNTING SCREWS FRICTION TIGHT.
TIGHTEN SCREWS.
(2) REQUIREMENT-- EACH FUNCTION PAWL SHOULD OVER TRAVEL ITS FUNCTION BAR BY AT
LEAST 0.002 INCH WITH INDICATED TENSIONS APPLIED. CHECK PAWLS ONE AT-A-TIME
AT SLOT NO'S. USED A B O V E . - . - - - - - - - - - - - - - - - - - - - - - - - - - '
TO CHECK --- IF CARRIAGE RETURN LEVER ADJUSTMENT HAS NOT BEEN MADE, LOOSEN ITS
CLAMP SCREW. LATCH FUNCTION PAWLS BY LOWERING STRIPPER BLADE; TRIP CODE BAR
CLUTCH AND POSITION ITS RELEASE LEVER AS IN (1) ABOVE. STRIP OFF ANY FUNCTIONS WHICH
MAY HAVE BEEN SELECTED.
TO ADJUST ---REFINE REQUIREMENT (1} ABOVE, HOLDING THE READJUSTMENT WITHIN LIMITS
MIN. 0.018 INCH -------------------------------------------------------MAX. 0.035 INCH
NOTE: IF THE FUNCTION RESET BAIL BLADE IS REPOSITIONED, CHECK THE ADJUSTMENT
OF THE FIGS-LTRS SHIFT CODE BAR OPERATING MECHANISM (PAR. 2.33).
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