Thrust Reverser Latch Band Anchor Strap Installation
Figure 401 (Sheet 1)
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78-31-03
ALL ú ú N01 Page 402 ú Oct 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
ANCHOR STRAP SADDLE FITTING RETAINER
SEE D
RETAINER
SEE D
SEE C
V-GROOVE
LATCH BAND ANCHOR STRAP
ANCHOR STRAP
SADDLE
B FWDFITTING LATCH
BANDBOLT
WASHER
PW4000 ENGINE
LOCKWIRE
HOLE
RETAINER
LATCH BAND PIN
FWDC 1
COTTER PIN HOLE
ANCHOR
LATCH BAND
STRAP
WASHER
COTTER PIN
INSTALL THE LATCH BAND PIN FROM THE AFT SIDE.
YOU CAN CHANGE THE LATCH BAND PINS FROM ONE FWD
D
RETAINER TO THE OTHER AS NECESSARY. DO NOT INSTALL
THE WASHER UNDER THE HEAD OF THE LATCH BAND PIN.
LUBRICATE THE LATCH BAND PIN WITH THE GREASE.
Thrust Reverser Latch Band Anchor Strap Installation
Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 034-007-N00
(2)
Remove the lockwire from the two retainers.
S 034-008-N00
(3)
Remove the bolts and the washers that hold the retainers on the anchor strap.
S 034-024-N00
(4)
Remove the retainers from the anchor strap.
S 034-025-N00
(5)
Remove the cotter pins, washers, and latch band pins that hold the latch band on the anchor strap.
S 024-026-N00
(6)
Remove the anchor strap.
TASK 78-31-03-404-010-N00
3. Install the Latch Band Anchor Strap
___________________________________
A. References
(1)
AIPC 78-31-01, Fig. 1
(2)
AMM 27-62-00/201, Speed Brake Control System
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 78-31-00/201, Thrust Reverser System
B.
Access
(1)
Location Zones 415 and 416 Engine 1 - Thrust Reverser Halves 425 and 426 Engine 2 - Thrust Reverser Halves 435 and 436 Engine 3 - Thrust Reverser Halves 445 and 446 Engine 4 - Thrust Reverser Halves
(2)
Access Panels
413 and 414 Fan Cowl Panels - Engine 1
423 and 424 Fan Cowl Panels - Engine 2
433 and 434 Fan Cowl Panels - Engine 3
443 and 444 Fan Cowl Panels - Engine 4
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78-31-03
ALL ú ú N01 Page 404 ú Feb 15/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C. Install the Anchor Strap (Fig. 401).
S 034-011-N00
(1)
Make sure the T-bolt latch handle that holds the latch band on the bottom of the engine is open.
S 424-012-N00
(2)
Put the anchor strap in the correct position in the saddle fitting on the top of the engine.
S 434-013-N00
(3)
Attach the latch band to the anchor strap with the pins and the washers.
(a) Install the cotter pins in the latch band pins.
S 434-014-N00
(4) Install the retainers on the anchor strap with the bolts and the washers.
(a) Put the lockwire on the bolts.
S 434-016-N00
(5)
Close the T-bolt latch handle on the bottom of the engine to lock the latch band.
D.
Put the airplane back to its usual condition.
S 414-017-N00
(1)
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