TM 55-4920-432-13&P
CHAPTER 4
AVIATION INTERMEDIATE MAINTENANCE (AVIM) -
MAlNTENANCE INSTRUCTIONS
SECTIONS I - REPAIR PARTS, SPECIAL TOOLS, TMDE, AND SUPPORT EQUIPMENT
4-1. GENERAL
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This chapter contains maintenance procedures that are the responsibility of the Aviation Intermediate
Maintenance (AVIM) technician as authorized by the Maintenance Allocation Chart (MAC) and Source,
Maintenance and Recoverability (SMR) coded items in the Repair Parts and Special Tools List (RPSTL). The
maintenance procedures in this chapter are prepared in the form of summary and detailed procedures.
4-2. MAINTENANCE OPERATIONS
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These instructions provide the proper technique and detailed procedures required to perform the maintenance
operations. Each maintenance operation provides step-by-step instructions in the order in which the work is
most logically accomplished. Any unusual or critical steps are covered in detail.
4-3 TOOLS AND TEST EQUIPMENT LIST
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For authorized tools and test equipment refer to Appendix B.
4-4 REPAIR PARTS
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Repair parts are listed in the Repair Parts and Special Tools List (RPSTL), APPENDIX C, of this manual.
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