Line Lock - IBM 01 Maintenance Manual

MODEL 61
Tab
CUSTOMER ENGINEERING
Margin Control lever
Figure
13.
Margin Release
LINE LOCK
Adjustments
1. THE VERTICAL LINK from the upper line lock bell-
crank is adjusted so that the angle between the link and
the arm of the lower bellcrank is approximately 90° (Fig-
ure 14).
2. LINE LOCK
PUSH
ROD. Adjust in the following man-
ner (Figure 14).
a. Unhook the push rod.
b. Position the carriage at the right margin.
c. Push the switch lever far enough to the rear to allow
the line lock bracket to unlock the key levers.
d. Push down and hold a letter key lever.
e. Push forward on the push rod until it stops.
f. Match the pin in the push rod clevis with the hole
in the lower line lock bellcrank.
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