Margin Release - IBM 01 Maintenance Manual

MODEL 81
CUSTOMER ENGINEERING
Margin Set lever
Margin Set Key Lever
Rear Frame
Fi~ure 11. Mar~in Set Adjustment
2. THE SCREW AND LOCK NUT
that mount the set lever
to the bracket are adjusted to eliminate all side play in
the set lever without binding the set lever. The spring
tension on the margin control lever may cause the left-
hand margin stop to jump to the left and result in im-
proper setting. In case the margin stop attempts to set
one space too far to the left, the margin set lever should
be adjusted to enter slightly off center toward the right.
3. MARGIN SET LINK.
Adjust this at the front so that
the margin set lever will just clear the top of either
margin stop when all parts are at rest (Figure 11).
4. MARGIN SET KEY LEVER INTERLOCK
shall operate
the key lever locking bar so as to prevent operation of
carriage return when the margin set key is fully depressed.
MARGIN RELEASE
Removal (New Style)
1.
Remove the front and rear cases.
2. Remove the key plate and the margin release key
button.
3. Unhook the tab operating link at the cam end.
4. Move the key lever fulcrum wire to the right enough
to drop the margin release key lever.
5. Remove the belts and the intermediate pulley.
6. Remove the margin release lever pivot screw and re-
move the key lever through the front of the machine
Figure 12).
Adjustments
I. ECCENTRIC STUD.
Adjust this stud under the tab
actuating lever, so that the margin control lever clears the
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