Shift; Overbank Adjustment; Shut - IBM C-1 Customer Engineering Reference Manual

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MODEL Cl
CUSTOMER ENGINEERING
ment of the margin-control lever without interfering
with the linelock operating-lever.
I
9. INTERMEDIATE PAW L - RELEASE LEVER.
Form the upright lug so the intermediate pawl-re-
lease lever touches the margin-control bellcrank and
the pawl-release bellcrank when the carriage is 1 to
2 spaces from the left-hand margin.
10. CARRIAGE-RETURN-TAB INTERLOCK. Adjust
the interlock as follows:
A. Disconnect the clutch unlatching link.
B. Wij;h the carriage at the left margin form the in-
terlock so it clears the tab-lever lug by .005" to .015"
when the left-hand lug of the interlock contacts the
margin-control bellcrank (Figure 30).
ll.
CLUTCH PLATE CLEARANCE. Refer to Model
B1, Carriage Return, Adjustment 18.
12. COMPRESSION SPRING. Adjust so the carriage
will return to the left margin, from any position
along the writing line, with the variable linespace
lever to
th~
rear.
13. MARGIN-CONTROL-LEVER DECELERATOR-
SCREW. Adjust the screw so the carriage comes to
rest with a minimum of shock. Lower the screw to
increase the decelerator action (Figure 18).
14. OVERBANK. Move the carriage from left to
right and observe that the escapement pawl drops
over an escapement-rack tooth when the margin-
control lever is from .010" to .015" from its full right
position (Figure 31).
Left
Margin Stop
Carriage Motion
Figure 31.
Overbank Adjustment
SHIFT
The shift mechanism has been improved operation-
ally and to simplify adjustment. The equal pin-clear-
ance adjustment has been relocated on the shift tog-
gle assembly to simplify adjustment and minimize
binding of the shaft assembly. Eccentric studs mount
34
,

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