TM-9-2815-200-35 Maintenance Manual for AVDS-1790-2M AVDS-1790-2A and AVDS-1790-2AM Engines Download
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CHAPTER 2 PARTS, SPECIAL TOOLS AND EQUIPMENT, IMPROVISED TOOLS AND SHOP LAYOUT Section I. REPAIR AND REPLACEMENT PARTS 2-1. General Authorized repair parts for the engine are listed in Appendix B, which is the authority for requisitioning replacement parts. 2-2. Repair Parts a. Repair parts required for the maintenance of the engines are issued to supporting main- tenance personnel for the replacement of parts which have been worn, broken or are otherwise unserviceable, and for parts which have been salvaged and stocked for future use on repairable engines. b. Repair parts for engine installation or replacement (attaching or associated external parts) are listed in Organizational repair parts manuals. c. Repair parts for engine accessories are listed in the following technical manuals: Section II. SPECIAL TOO LS AND EQUIPMENT FOR DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE (1) TM 9-2910-212-34, Pump, Metering, Fuel Injection, Assembly (2) TM 9-2910-213-34 1 Pump, Fuel, Engine, Assembly (3) TM 9-2920-224-35, Generator, Engine, Assembly (4) TM 9-2920-232-34, Starter, Engine, Electrical, Assembly (5) TM 9-2990-200-34, Turbosuper- charger, Engine, Assembly 2-3. Mandatory Replacement Parts To expedite repair and rebuild of the engines, it is economically advantageous to replace certain parts rather than perform the required cleaning and inspection necessary to assure that the parts are suitable for continued use. Gaskets, packings, oil seals, and other similar parts are always replaced at engine rebuild. Refer to Appendix B for 100 percent replacement items. 2-4. Common Tools and Equipment Standard and commonly used tools and equipment having general application to the engines are authorized by tables of allowance (TA) and tables of organization and equipment (TOE). 2-5. Special Tools and Equipment The special tools and equipment illustrated in figures B-29 through B-31 and listed in Table 2- 1 are necessary to perform the field maintenance repair, and overhaul operations described in this manual. Refer to Appendix B which is the authority for requisitioning special tools, kits, and equipment. 2-6. Improvised Tools and Equipment The improvised tools illustrated in figures 2-1 and 2-2 apply only to direct support, general support and depot maintenance shops. Principal dimensions are shown to enable maintenance personnel to fabricate tools locally, if desired. These tools are of chief value to maintenance organizations engaged in overhauling a large number of identical components. However, these improvised tools are not available for issue. One of the improvised tools illustrated in figure 2-1 is used for lifting the front fan drive housing and clutch assembly and the other is used for compressing the advance unit cover internal retaining ring. The puller for removing the fuel injection pump diaphragm type coupling is illustrated in figure 2-2. The improvised tool illustrated in figure 2-3 is used to remove the oil pressure regulating valve sleeve. 2-1