IBM 01 Maintenance Manual page 194

R EF ERE NeE MAN U A L
MODEL 81
Powl Release lever lug
Figure 54. Backspace Interlock Adjustment
2. THE PAWL RELEASE LEVER LUG which contacts the
backspace interlock is formed so that with the interlock at
rest, the backspace pawl may be moved past it with a
minimum of clearance (Figure 54).
3. BACKSPACE PAWL GUIDE LUG. Form this to the left
or right so as to guide the pawl into the escapement rack
with about 1/64" clearance between the working side of a
tooth on the pawl and the escapement rack tooth (Figure
55).
CD
Backspace pawl sides on diagonal mounting hole to
engage rack.
Figure 55. Backspace Guide Lug Adjustment
Escapement pawl drops into
previous tooth of rack.
SlOp
Backspoce pawl
link •••
top, halting motion of
p.awlll~d
carriage.
Figure 56. Backspace Stop Adjustment
55