Lubrication; Decimal Tabulation Adjustments - IBM 01 Maintenance Manual

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MODEL A15
CUSTOMER ENGINEERING
lubrication
A FINE GRADE OF POWDERED GRAPHITE may be used
to lubricate the interposers. Oil causes the interposers to
adhere to one another, and this results in more than one
being raised, or in failure of a raised interposer to re-
store to rest.
Decimal Tabulation Adjustments
1.
THE LUG IN THE CENTER OF THE DECIMAL TAB
KEY GUIDE should be formed so that the majority of the
lugs on the bail rest 1/16" below the top of the notches
cut in the back edges of the decimal tab key levers
(Figure 1).
2.
THE CAM RELEASE LINK should be adjusted so that
the cam will be released as late as possible but with
positive action.
3.
THE TABULAR KEY LEVER LUG should be formed
so that it just touches the left hand end of the decimal
key lever bail.
4.
THE KEY LEVER BAIL LUGS should be checked to see
that they clear the tops of the notches cut in the key
levers by 1/16" clearance.
5.
THE CAM STOP should be adjusted so that the release
lever lug will just drop behind the cam lUi when the cam
is released with the power off.
6.
THE INTERPOS'ER ACTUATING LINKS should be ad-
justed so that when the decimal tab keys are depressed
FiAure 1. Decimal Tabular Mechanism