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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
EEC SUPPORT BRACKET EEC PROGRAMMING PLUG EEC
A A
PROGRAMMING PLUG EEC LANYARD
A FLANGE B2 LANYARD A FLANGE B2
B 1 B 2
PROGRAMMING PLUG EEC PROGRAMMING PLUG EEC
BOLT NUT LANYARD AND COLLAR RIVET PIN LANYARD
EEC PB MANIFOLD BRACKET ON THE FLANGE B2 EEC PT4.95 MANIFOLD SUPPORT BRACKET ON THE FLANGE B2
A-A 1 A-A 2
2 1 ENGINES POST-PW-SB 72-306 ENGINES PRE-PW-SB 72-306 L-A6033 1190
EEC Programming Plug Installation
Figure 401 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
3) 6G16 SCU ALT PWR ENG 2 4) 6G24 ENG SCU 2 5) 6G17 SCU ALT PWR ENG 3 6) 6G25 ENG SCU 3 7) 6G18 SCU ALT PWR ENG 4 8) 6G26 ENG SCU 4
S 014-003-N00
(2)
Open the right fan cowl panel (AMM 71-11-04/201).
S 034-022-N00
(3)
Remove the rivet pin and collar that attach the lanyard to the top rear mount bracket of the EEC.
S 024-005-N00
(4)
Disconnect the programming plug from the EEC.
S 024-018-N00
(5)
Remove the EEC programming plug from the engine.
S 034-019-N00
(6)
Install the protection cap on the end of the EEC programming plug and receptacle on the EEC.
TASK 73-21-08-404-006-N00
3. Install the EEC Programming Plug
________________________________
A. Consumable Materials
(1)
D00390 Oil - Engine
B.
References
(1)
AMM 70-24-05/201, Electrical Harnesses
(2)
AMM 71-00-00/501, Power Plant
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 73-21-04/401, Electronic Engine Control (EEC)
(5)
IPC 73-21-04 Fig. 1
C.
Access
(1)
Location Zone
412 Engine 1 - Fan Case 2 o'clock
422 Engine 2 - Fan Case 2 o'clock
432 Engine 3 - Fan Case 2 o'clock
442 Engine 4 - Fan Case 2 o'clock
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(2)
Access Panel
414 Right Fan Cowl Panel - Engine 1
424 Right Fan Cowl Panel - Engine 2
434 Right Fan Cowl Panel - Engine 3
434 Right Fan Cowl Panel - Engine 4
D.
Procedure
S 434-007-N00
(1) Remove the protection cap from the EEC programming plug.
S 424-008-N00
CAUTION: WHEN YOU REPLACE THE EEC PROGRAMMING PLUG, MAKE SURE THE
_______ REPLACEMENT HAS THE SAME PART NUMBER AND CLASS NUMBER AS IDENTIFIED ON THE ENGINE NAMEPLATE. IF THE REPLACEMENT DOES NOT HAVE THE SAME CLASS NUMBER, THE EEC WILL NOT OPERATE CORRECTLY.
CAUTION: USE THE CORRECT ASSEMBLY PROCEDURE, AND TOOLS, FOR THE
_______ PROGRAMMING PLUG INSTALLATION (AMM 70-24-05/201). IF YOU USE THE INCORRECT ASSEMBLY PROCEDURE, OR TOOLS, A DAMAGED OR LOOSE PROGRAMMING PLUG CAN OCCUR. A LOOSE PROGRAMMING PLUG PERMITS VIBRATION, WHICH CAUSES THE CONTACTS TO WEAR AND DECREASES THE LIGHTNING PROTECTION.
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