Replaceable Parts List
8-2 WFM90D and WFM91D Service Manual
Using the Replaceable PartsListThis section contains a list of the mechanicaland/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 Columnname Description
1 Figure& i ndex number Items in this section are referenced by figure and index numbers to the exploded view
illustrationsthat follow.
2 Tektronixpart number Uset his part number when ordering replacement parts from Tektronix.
3and 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
goodf orall serial num bers.
5Qty This indicates the quantity of parts used.
6 Name & description Ani tem name is separated from the description by a colon (:). Because of space limitations, an
item name may sometimes appear as incomplete. Use the U.S. Federal Catalog handbook
H6-1for f urther 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 conformto American National Standard ANSI Y1.1--1972.
The table titledManufacturers Cross Index shows codes, names, and addresses
of manufacturersor vendors of components listed in the parts list.
The part numbers forthe standard and optional accessories available with this
instrument are located at the end of the rep laceable parts list.