(2)
The installation of the terminal block assembly on the integrated drive generator (IDG).
B. Use this procedure to replace the terminal block cover, screws, washers, nuts, and terminal block.
TASK 24-11-20-004-001
2. Removal of the IDG Terminal Block Assembly (Fig. 401)
__________________________________________
A. References
(1)
AMM 78-31-00/201, Thrust Reverser System
(2)
AMM 71-11-04/201, Fan Cowl Panels
B. Access
(1)
Location Zone
212 Flight Compartment
410 Power Plant Nacelle (Left Engine)
420 Power Plant Nacelle (Right Engine)
(2)
Access Panel
413, 423 Fan Cowl Panels (Left)
414, 424 Fan Cowl Panels (Right)
C. Prepare for Removal
S 864-002
(1) Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:
(a)
6B5, L GEN DRIVE DISC
(b)
6B6, R GEN DRIVE DISC
S 014-003
CAUTION: OBEY THE PRECAUTIONS FOR THE KEVLAR WRAPPING ON THE FAN CASE
_______ WHEN YOU OPEN THE FAN COWL PANEL. IF YOU DO NOT OBEY THE PRECAUTIONS, DAMAGE TO THE KEVLAR WRAPPING CAN OCCUR.
(2) Open the fan cowl panel (AMM 71-11-04/201).
D. Procedure
S 034-005
(1) Remove the screws, washers, and terminal block cover.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
24-11-20
ALL ú ú 01 Page 401 ú Jan 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757
MAINTENANCE MANUAL
FWD A TERMINALFANNING BLOCK
STRIP
WASHER
(2 LOCATIONS)
SCREW (2 LOCATIONS)
SEE B
TERMINAL
TERMINAL BLOCK SCREW
BLOCK COVER
(2 LOCATIONS) SQUARE WASHER
(4 LOCATIONS)
SPIROLOX NUT
THROUGH LEAD
(4 LOCATIONS)
(4 LOCATIONS)
PHASE LEAD
1A
(4 LOCATIONS) TERMINAL BLOCK STUD
FANNING STRIP
SPIROLOX NUT THROUGH LEAD
1
SQUARE WASHER
PHASE
LEAD
TERMINAL BLOCK
SQUARE TERMINAL
WASHER BLOCK STUD
A
TERMINAL
A-A
BLOCK
THROUGH
LEAD
A 1 RECOMMENDED INSTALLATION: B SPIROLOX NUT, P/N 5911584-5
OPTIONAL INSTALLATION: 1) SELF-LOCKING NUT, P/N NAS1726-6D 2) TERMINAL NUT AND WASHER
IDG Terminal Block Assembly
Figure 401
A70310
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
24-11-20
ALL ú ú 01 Page 402 ú Sep 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 034-006
(2)
Remove the spirolox nuts, the self-locking nuts, or the terminal nuts and washers which are installed on the terminal studs.
S 034-008
(3)
Remove the phase leads.
S 034-009
(4)
Remove the terminal block screws.
S 024-010
(5)
Remove the terminal block.
(a) Move the terminal block to the input end of the IDG to remove it from the through-leads.
S 034-011
(6) Remove the square washers from the terminal block.
TASK 24-11-20-404-012
3. Installation of the Terminal Block Assembly (Fig. 401)___________________________________________
A. References
(1)
AMM 78-31-00/201, Thrust Reverser System
(2)
AMM 71-11-04/201, Fan Cowl Panels
(3)
AMM 24-11-00/501, Integrated Drive Generator
B. Access
(1)
Location Zone
212 Flight Compartment
410 Power Plant Nacelle (Left Engine)
420 Power Plant Nacelle (Right Engine)
(2)
Access Panel
413, 423 Fan Cowl Panels (Left)
414, 424 Fan Cowl Panels (Right)
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