TM 55-2840-231-23 Section  II.  MAINTENANCE ALLOCATION  CHART NOMENCLATURE  OF  END  ITEMS (1) Group Number 04 0401 0402 040201 040202 040203 ENGINE AIRCRAFT  GAS TURBINE MODEL  T63-A-700 (2) (3) (4) (5) Maintenance Maintenance   Category Tools  and Component/Assembly Function AVUM      AVIM    Depot Equipment NOTE The AVUM Maintenance  functions  identified herein  are restricted  to Company  size (AVUM No. 2) units. These units are authorized SC 4920-99 - CL-A92 (AVUM No. 2) Tool Set and have 10 or more Aircraft assigned, 5-16(1)  (a) and (b). ENGINE  SYSTEM I’URBINE  ENGINE COMPRESSOR SECTION COMPRESSOR ASSEMBLY [NLET GUIDE VANES COMPRESSOR  CASE HALVES INSPECT TEST SERVICE INSTALL REPLACE REPAIR OVERHAUL INSPECT SERVICE INSTALL REPLACE REPAIR INSPECT INSPECT SERVICE INSTALL REPLACE REPAIR Refer to — — — — — — — — — — — — . — — — — paragraph — — 17 02,06,17 09 05,17 07,16,17,19 07,10,16,17,19 16,17,19 08,23 17 05,17 01,03,04,07,10, 15,16,17 01,03,04,07,10, 15,16,17 17,19 17 17 05,17 01,16,17 01,16,17 17,19 (6) Remarks A B C D D c . c E B-6 Change 11