S 862-139-C00

 (5)  
Put the airplane back to the usual condition for engine operation with this supplement:

 (a)  
It is recommended that the engine inlet and exhaust covers be installed when practical and necessary as determined by the airline.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 71-00-00
 ALL  ú ú C11 Page 280B ú Jul 12/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
POWER PLANT - ADJUSTMENT/TEST
_____________________________
 1.  General
_______
 A.  This procedure gives the necessary tests to make sure that the engine operates correctly after you replace a component.
 B.  The tests go from those with no engine run to those with a MEC trim and a vibration survey check.
 C.  The tests have numbers for positive identification.
 D.  The table that follows shows the test numbers and titles:
 ~.............................................................
 | TEST NO. | TITLE OF THE TEST |
 ...............................................................
 | 1. | Pneumatic Leak Test |
 ...............................................................
 | 2. | Engine Motoring |
 ...............................................................
 | 3. | Leak Check - Idle Power |
 ...............................................................
 | 4. | Idle Speed Check |
 ...............................................................
 | 5. | Power Assurance Check |
 ...............................................................
 | 6. | Main Engine Control (MEC) Trim |
 ...............................................................
 | 7. | Vibration Survey |
 ...............................................................
 | 8. | Accel/Decel Check |
 ...............................................................
 | 9. | Replacement Engine Test (Pretested) |
 ...............................................................
 | 10. | Replacement Engine Test (Untested) |
 ...............................................................
 | 11. | T2/CIT Sensor Test |
 ...............................................................
 | 12. | Engine Run Diagnostic Test |
 2............…................................................1

 E.  The table that follows shows the components that you can replace and the applicable test after the replacement.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
 71-00-00
 ALL  ú ú C02 Page 501 ú Nov 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
~................................................................ | Power Plant Test Reference Table | .................................................................. | Component Repaired or Replaced | Necessary Test | .................................................................. | MISCELLANEOUS AIRPLANE SYSTEM COMPONENTS | | .................................................................. | - Constant Speed Drive (CSD) | 3 | .................................................................. | - CSD Oil Cooler | 2 | .................................................................. | - CSD Line Oil Filter | 2 | .................................................................. | - CSD Sight Glass | 2 | .................................................................. | - Engine Driven Generator | 2 | .................................................................. | - Engine Driven Pump (EDP) | 3 | .................................................................. | - Hydraulic Systems A and B Pressure | 2 | | Module | | .................................................................. | - EDP Case Drain Filter | 2 | .................................................................. | - Hydraulic Systems A and B EDP Low | 2 | | Pressure Warning Switch | | 2..........................................….....................1
　
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