TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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i. Illustration, Column 10. (1) Figure Number, Column 10a. Indicates the figure number of the illustration in which the item is shown. (2) Item Number or Symbol, Column 10b. Indicates the callout number used to reference the item in the illustration. (3) Each illustration carries a legend for every item on the illustration, cross-referenced to the Government Grouping number where it appears in the parts listing. (4) Components of kits and sets appear in the listing of the kit or set and parts may not be in the normal figure and item number sequence. These parts are listed only in the kit or set. 4. How to Locate Repair Parts a. When Federal Stock Number or Part Number is Unknown. (1) Use the Table of Contents and deter- mine the functional group or assembly group by illustration number where the part belongs. Illustrations are prepared by functional groups, which may contain more than one government group. (2) Identify the repair part on the. illustration and note the illustration and item number of the repair part. (3) In the repair parts list (Section 2 of this Appendix), find the functional group number and locate the repair part by illustration and item number. b. When Federal Stock Number or Part Number is Known. (1) Using the index of Federal stock numbers to illustration or part number to illustration and item number, find the Federal Stock Number or part number. These indexes are arranged in ascending Federal Stock Number and alpha-numerical sequence, cross- -referenced to illustration, figure, and item number. (2) Find the repair part item on the legend of the illustration and note the functional group. (3) Using the repair parts listing (Section 2), find the functional group of the repair part and the illustration and item number as noted in the index of Federal stock numbers. 5. Abbreviations and Symbols. a. Abbreviations. al . . . . . . . . . . . . .. aluminum asb . . . . . . . . . . . . . asbestos assy . . . . . . . . . . . . assembly br . . . . . . . . . . . . . . brass carb-S . . . . . . . . . . carbon steel cd . . . . . . . . . . . . . . cadmium cop. . . . . . . . . . . . . copper corr-res-S . . . . . . . corrosion resistant steel D.C. . . . . . . . . . . . Direct Current deg . . . . . . . . . . . . degree dia . . . . . . . . . . . . . diameter dld . . . . . . . . . . . . . drilled did-f/c-pin . . . . . drilled for cotter pin did-f/lkg-wire . . drilled for locking wire DR . . . . . . . . . . . . double row ea . . . . . . . . . . . . . each e.g. . . . . . . . . . . . for example etc . . . . . . . . . . . . and so forth ext-teeth . . . . . . . . external teeth ext-thd . . . . . . . . . external thread exter . . . . . . . . . . . external f/ . . . . . . . . . . . . for fig. . . . . . . . . . . . . figure fin. . . . . . . . . . . . . finish ft . . . . . . . . . . . . . . feet hd . . . . . . . . . . . . . head hex . . . . . . . . . . . . hexagon hex-hd . . . . . . . . . hexagon head id . . . . . . . . . . . . . inside diameter in . . . . . . . . . . . . . inch inc . . . . . . . . . . . . incorporated int-thread . . . . . . internal thread inter . . . . . . . . . . . internal lg . . . . . . . . . . . . . long LH . . . . . . . . . . . . left hand lkg . . . . . . . . . . . . locking it . . . . . . . . . . . . . . light (weight) max . . . . . . . . . . . maximum med . . . . . . . . . . . medium med-carb-S . . . . . medium carbon steel min . . . . . . . . . . . minimum NC . . . . . . . . . . . . American National Coarse Thread ni b . . . . . . . . . . . . nickel NF . . . . . . . . . . . . American National Fine Thread B-3