How To Use This Manual - IBM 5280 Maintenance Information Manual

The information in this MIM is to be used as reference
material when diagnosing machine failures. This M 1M
contains maintenance procedures, tools and test
equipment information, and theory.
The format for page numbering is XXX.Z. XXX is the
number of the page and Z (although not normally used)
is for expansion when it is not practical to give new
numbers to all pages.
Three-digit reference numbers are assigned to location
drawings and maintenance procedures to refer from the
MAPs.
Maintenance Procedures Section
The maintenance procedures section contains location
drawings and maintenance procedures for repairing,
installing, or diagnosing the failing field-replaceable unit.
How to Use Th is Manual
Tools and Test Equipment Section
The tools and test equipment needed to service the diskette
drives are described in the tools and test equipment section.
Theory Section
The theory section contains descriptions of the functional
units and features. These descriptions are preceded by a
view of the diskette unit which gives you a general idea of
the complete operation and where each function or feature
fits in.
Index
The index is a detailed list of all material in the M 1M and
the pages on which that material is located.
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