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Replaceable Parts List
8-2
WFM90D and WFM91D Service Manual
Using the Replaceable Parts List
This section contains a list of the mechanical and/or electrical components that
are replaceable for the
WFM90D and WFM91D. Use this list to identify and order
replacement parts. The following table describes each column in the parts list.
Parts list column descriptions
Column Column name Description
1 Figure & index number Items in this section are referenced by figure and index numbers to the exploded view
illustrations that follow.
2 Tektronix part number Use t his part number when ordering replacement parts from Tektronix.
3 and 4 Serial number Column three indicates the serial number at which the part was first effective. Column four
indicates the serial number at which the part was discontinued. No entry indicates the part is
good for all serial numbers.
5 Qty This indicates the quantity of parts used.
6 Name & description An item name is separated from the description by a colon (:). Because of space limitations, an
item name may som etimes appear as incomplete. Use the U.S. Federal Catalog handbook
H6-1 for further item name identification.
7 Mfr. code This indicates the code of the actual manufacturer of the part.
8 Mfr. part number This indicates the actual manufacturer’s or vendor’s part number.
Abbreviations conform to American National Standard ANSI Y1.1--1972.
The table titled Manufacturers Cross Index shows codes, names, and addresses
of manufacturers or vendors of components listed in the parts list.
The part numbers for the standard and optional accessories available with this
instrument are located at the end of the replaceable parts list.
Abbreviations
Mfr. Code to Manufacturer
Cross Index
Instrument Accessories