SECTION I. INTRODUCTION - TM-5-4520-253-23P

TM-5-4520-253-23P Heater Duct Type Portable Trailer Mounted 400 000 BTU/HR Fiesta Model FC-400-1 Manual
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TM 5-4520-253-23P UNIT AND DIRECT SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST SECTION I. INTRODUCTION 1. SCOPE. This RPSTL lists and authorizes spares and repair parts; special tools; special test, measurement, and diagnostic equipment (TMDE); and other special support equipment required for performance of Unit and Direct Support Maintenance of the Space Heater, It authorizes the requisitioning, issue, and disposition of spares, repair parts and special tools as indicated by the source, maintenance and recoverability (SMR) codes. 2. GENERAL. In addition to this section, Introduction, this Repair Parts and Special Tools List is divided into the following sections: a. Section Il. Repair Parts List. A list of spares and repair parts authorized by this RPSTL for use in the performance of maintenance. The list also includes parts which must be removed for replacement of the authorized parts. Parts lists are composed of functional groups in ascending alphanumeric sequence with the parts in each group listed in ascending figure and item number sequence. Bulk materials are listed in item name sequence. Repair parts kits are listed separately in their own functional group within Section Il. Repair parts for repairable special tools are also listed in this section. Items listed are shown on the associated illustration(s) /figure(s). b. Section Ill. 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 column) for the performance of maintenance. c. Section IV. Cross–references Indexes. A list, in National Item Identification Number (NIIN) sequence, of all National stock numbered items appearing in the listing, followed by a list in alphanumeric sequence of all part numbers appearing in the listings. National stock numbers and part numbers are cross referenced to each illustration figure and item number appearance. The figure and item number index lists figure and item number in alphanumeric sequence and cross references NSN, FSCM and part number. 3. EXPLANATION OF COLUMNS (SECTIONS II AND Ill). a. ITEM NO. (Column (1 )). Indicates 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 5–position code containing supply/requisitioning information, maintenance category authorization criteria, and disposition instruction, as shown in the following breakout: Source Code 1st two How you get an item Maintenance code positions 3rd position 4th poition Who can install re- Who can do com- place or use the plete repair* on item the item Recoverabilily Code Who determines dis- position action on an unservicable item 1

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