ARMY TM 9-6115-670-14&P C-1 APPENDIX C Operator, Unit, Direct Support and General Support Maintenance Repair Parts and Special Tools List for AUXILIARY POWER UNIT, 10 KW, 120/240 VAC, 60 HZ Section I.  Introduction C-1.    Scope This manual lists and authorizes spares and repair parts; special tools; special test, measurement, and diagnostic equipment (TMDE); and other special support equipment required for the performance of Operator, Unit, Direct Support and General Support Maintenance of the Auxiliary Power Unit, 10KW, 120/240 VAC, 60Hz.  It authorizes the requisitioning, issue, and disposition of spares, repair parts and special tools as indicated by the source, maintenance, and recoverability (SMR) codes. C-2.    General In addition to Section I, Introduction, this Repair Parts and Special Tools List (RPSTL) is divided into the following sections: a.  Section II.  Repair Parts List.  A list of spares and repair parts authorized by this RPSTL for use in the performance of maintenance.  This list also includes parts which must be removed for replacement of the authorized parts.  Parts lists are composed of functional groups in ascending numeric sequence, with the parts in each group listed in ascending item number sequence.  Figure numbers are listed directly beneath the group header.  Bulk materials are listed in item name sequence.  Items listed are shown on the associated illustration. b.  Section III.  Special Tools List.  A list of special tools, special TMDE and other special support equipment authorized by this RPSTL (as indicated by Basis of Issue (BOI) information in DESCRIPTION AND USABLE ON CODE (UOC) column) for the performance of maintenance. c.   Section IV.  Cross-Reference Indexes.  A list, in National Item Identification Number (NIIN) sequence, of all National stock numbered items appearing in the listings, followed by a list in alphanumeric sequence of all part numbers appearing in the listing.  National Stock Numbers (NSNs) and part numbers are crossed referenced to each illustration figure and item number appearance. C-3.     Explanation of Columns (Sections II and III) a.  ITEM NO. (Column (1)).  Indicated the number used to identify items called out in the illustration. b.  SMR Code (Column (2)).  The Source, Maintenance, and Recoverability (SMR) code is a five-position code containing supply/requisitioning information, maintenance category authorization criteria, and disposition instructions, as shown in the following breakout: Source Code How you get an item XX 1^st two positions Maintenance Code XX 3^rd position Who can install, replace or use the item. 4^th position Who can do complete repair* on the item. Recoverability Code 5^th position Who determines disposition action on an unserviceable item. X