S 014-007-N00
(6)
Remove the forward strut fairings (AMM 54-62-00/201).
S 014-008-N00
(7)
Remove the fan cowl panels (AMM 71-11-04/401).
S 014-009-N00
(8)
Remove the latch band pins from the anchor strap for the latch band (AMM 78-31-02/401).
S 014-010-N00
(9)
Remove the core cowl panels (AMM 71-11-06/401).
S 014-011-N00
(10)
Remove the two skirt fairings from the top of the thrust reverser sleeve for each fan cowl and thrust reverser half which is removed.
NOTE: When you remove the skirt fairings, it gives you access to
____
all three hinge bolts.
F. Remove the Thrust Reverser (Fig. 401, Fig. 402) S 034-012-N00
(1) Remove the nuts (9) and washers (8) from the forward hinge on the strut side and center hinges.
NOTE: Remove the aft hinge nut and washer when the thrust reverser
____
is in the open position.
(a) Keep the bolts installed and install the thread protectors (A78002) on all bolts.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
AFT ADAPTER
ASSEMBLY STRAIGHT
(-20) BEAM ASSEMBLY
(-27) A
BEAM ASSEMBLY CURVED (-3)
UPPER LINK (-18) ASSEMBLY LOWER LINK (-31) ASSEMBLY A
NACELLE ZONE VENTILATION VALVE SENSE LINE
45`
(RIGHT SIDE IS EQUIVALENT) SLING ASSEMBLY INSTALLATION THRUST REVERSER
ASSEMBLY CURVED BEAM (-3) (-27) ASSEMBLY STRAIGHT BEAM
RELEASE PINS QUICK
(-4) FORWARD ADAPTER 3. THRUST REVERSER ASSEMBLY AFT ADAPTER (-20)
A-A BOLT, WASHER
(2 LOCATIONS)
Thrust Reverser Sling Assembly Figure 402
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / PW4000 SERIES /747-400 / ENGINES/MAINTENANCE MANUAL ////////////////////////
S 494-013-N00
(2) Attach the sling assembly (A71002) for the thrust reverser to the thrust reverser half at the forward and aft hoist points.
(a) Remove the bolts (5 and 6) from the hoist points.
NOTE: There are two bolts at each of two GSE hoist attach
____ points on each torque box of the thrust reverser half. The hoist points are found below the upper non-locking hydraulic actuator and above the center locking hydraulic actuator and on the aft end of the thrust reverser cowl.
(b)
Install the forward upper link assembly (-18) with the two
bolts and washers at the hoist point nearest to the upper
non-locking hydraulic actuator.
(c)
Install the forward lower link assembly (-31) with the two
bolts and washers at the hoist point nearest to the center
locking hydraulic actuator.
NOTE: Turn the bottom side of the forward adapter to the top
____ if the forward adapter touches the torque box fittings.
1) Attach the forward adapter (-4) with the smaller hole nearest the inboard and the slot farthest outboard from the centerline of the nacelle.
(d)
Install the aft adapter assembly (-20) to the aft hoist point on the thrust reverser cowl with the two bolts and washers.
(e)
Attach the curved beam assembly (-3) with the three
quick-release pins to the forward adapters.
(f)
Attach the straight beam assembly (-27) to the curved beam
assembly (-3) and aft adapter assembly (-20).
S 864-014-N00
CAUTION: DO NOT OPEN THE THRUST REVERSER MORE THAN THE 23 DEGREE
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