IBM 01 Maintenance Manual page 67

MODEL 04 CUSTOMER ENGINEERING
Maintenance
IRREGULAR SELECTION
may result from a bind on the rear
selector-bar guide comb.
LUBRICATION.
Oil the pivot points, links, and clevises.
Grease the ends of the escapement operating-lever hair-pin
springs.
SELECTION - LATCH ASSEMBLIES
These assemblies are mounted on the pawl earners. The
action of the escapement operating-lever links pulls them
down in front of the eccentric studs on the trip lever and
slide assembly (Figure 4).
Removal
Unhook the escapement pawl-carrier springs and the
escapement operating-lever links. Back off the upper pawl-
carrier pivot screw and remove the pawl-carrier assembly
which includes the latch. When replacing the pawl carriers,
do not over-tighten the pivot screws.
Adjustments
ESCAPEMENT OPERATING LINKS
are to be adjusted so
that the latches clear the top of the eccentric studs on the
trip lever and slide assembly by )12" (Figure 5).
Maintenance
LUBRICATION.
Oil the pivot points of the latches.
Eccenfr:c S1ucl
Escapement Trip lever
and Slide Assembly
'-....... Escapement
Trip link
Figure 4. Escapement Trip Lever and Slide Assembly
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