S 214-018-003
(8)
Do a check to make sure that the fuse pins/bolts and the applicable secondary retention devices are installed correctly (Fig. 402 and 403).
(a) Make sure that the diagonal brace fuse pins/bolt are installed correctly. 1) Make sure that the identification on the diagonal brace
matches the airplane and strut location.
2) Make sure that the secondary retention devices are installed at these locations: a) Inboard, forward diagonal brace b) Outboard, aft diagonal brace.
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ALL ú CONFIG 3 ú 10N Page 443 ú Feb 18/02
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A
747-400
MAINTENANCE MANUAL
3) Make sure that grease has been injected into grease fitting (if installed) at inboard, aft diagonal brace.
(b)
Make sure that the upper link fuse pins/bolt are installed correctly. 1) Make sure that the secondary retention devices are
installed at these locations: a) Inboard, aft upper link b) Outboard, aft upper link.
(c)
Make sure that the side link assembly fuse pins/bolts are installed correctly. 1) Make sure that the identification on the side links match
the airplane and strut location.
(d)
Make sure that the midspar (inboard) and spring beam (outboard) fuse pins are installed correctly. 1) Make sure that grease has been injected into grease fitting
(if installed).
I. Restore the Airplane to Normal (Engine removed)
S 094-019-003
CAUTION: DO NOT REMOVE SLING SUPPORT UNTIL THE WORKSTANDS ARE CLEAR.
_______ IF YOU DO NOT MOVE THE WORK STANDS, DAMAGE TO THE STRUT, WING STRUCTURE OR STANDS CAN OCCUR.
(1) Make sure the workstands are clear of the airplane, and slowly remove the load from the sling.
(a) Remove the sling from the strut and return the sling to storage.
S 434-020-003
(2)
Install the air-driven pump turbine drive aft of the torque
bulkhead, if removed (AMM 29-11-08/401).
S 434-021-003
(3)
Install the air-driven pump aft of the torque bulkhead, if removed (AMM 29-11-17/401).
S 434-022-003
(4)
ON INBOARD STRUTS; Install the AC motor-driven pump aft of torque bulkhead, if removed (AMM 29-11-19/401).
(5)
Do the procedure to install the engine (Ref 71-00-02/401).
(6)
Do the procedure to install the thrust reverser (AMM 78-31-01/401).
S 864-025-003
(7)
Do a check that applicable engine fuel and hydraulic fluid shutoff valves are open and that electrical plugs are connected to valves.
S 414-023-003
S 414-024-003
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54-51-02
ALL ú CONFIG 3 ú 10N Page 444 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 864-026-003
(8)
Do a check that hydraulic system No. 1, 2, 3, or 4, as applicable for engine being installed, is pressurized (AMM 29-11-00/201).
S 864-027-003
(9)
Do a check that the external electrical power is disconnected and that grounding is removed.
S 434-028-003
(10)
ON INBOARD STRUTS; Install the right and left forward wedge assemblies of the fixed aft fairing, if necessary.
(a)
On each side, install the thirty four fasteners that attach the fairing assembly to the skate angle.
(b)
On each side, install twenty six fasteners that attach the fairing assembly to the forward web assembly.
(c)
On each side, install the two fasteners that attach the secondary retainer to the fairing.
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