TM 1-1520-238-23
4-37
4.12.
ENGINE TEARDOWN – NO. 1 AND NO. 2 ENGINE
4.12.1. Description
This task covers:
Teardown.
4.13. No. 1 and No. 2 Engine Air Duct Removal
4.14. No. 1 and No. 2 Engine Shroud Seal Ring Removal
4.15. No. 1 and No. 2 Engine Air Inlet Removal
4.16. No. 1 and No. 2 Engine Fuel Inlet Hose Removal
4.17. No. 1 Engine Wiring Removal
4.18. No. 2 Engine Wiring Removal
4.19. No. 1 Engine Air Starter and Regulating Valve Removal
4.20. No. 2 Engine Air Starter and Regulating Valve Removal
4.21. No. 1 Engine Anti-Ice and Bleed Air System Removal
4.22. No. 2 Engine Anti-Ice and Bleed Air System Removal
4.23. No. 1 and No. 2 Engine Baseplate and Spindle Gearboxes Removal
4.24. No. 1 and No. 2 Engine Shroud Support Removal
4.25. No. 1 and No. 2 Engine Drain System Removal (T700-GE-701 engine)
4.26. No. 1 and No. 2 Engine Drain System Removal (T700-GE-701C engine)
4.27. No. 1 and No. 2 Engine Oil Chip Collector Removal
4.28. No. 1 and No. 2 Engine Removal from Handling Adapter
4.29. No. 1 and No. 2 Engine Mount Removal
4.12.2. Initial Setup
Tools:
Aircraft maintenance tool kit (item 371, App H)
Aircraft mechanic’s tool kit (item 376, App H)
Airframe adapter kit (item 25, App H)
Engine lifting sling (item 291, App H)
1 & 1 1/8-inch open end wrench (item 417, App H)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
68B
Aircraft Powerplant Repairer
References:
TM 1-1500-204-23
TM 55-2840-248-23
Equipment Conditions:
Ref
Condition
6.36
Engine nose gearbox and quill shaft re-
moved
1.24
Engine oil system drained
NOTE
This task (off helicopter) covers tasks required for removal of accessory items to prepare engine for
shipment. Tasks are in sequence of removal and may be used for No. 1 and/or No. 2 engine. All
serviceable items shall be retained for installation on new engine (para 4.30).
GO TO NEXT PARAGRAPH
