(e)
Make sure the aftflap arms do not move.
S 094-007
(3) Remove the support equipment from the aftflap.
TASK 27-51-03-404-008
3. Inboard Aftflap Installation
____________________________
A. Special Tools and Equipment
(1)
10OHME65B00116 Trailing Edge Flap Spreader Bar and Sling
(2)
12ME65B00116 Inboard Aftflap Strongback (part of 18ME65B00116 -Inboard Trailing Edge Flap Strongback Kit)
B.
Standard Tools and Equipment
(1)
Load Positioner (for 290 pounds (130 kg)), 3100T21, McMaster-Carr
P.O.
Box 54960, Los Angeles, California 90054
C.
Consumable Materials
(1)
C00013 Grease - MIL-G-23827 (alternative)
(2)
A00247 Sealant - BMS 5-95
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747-400 MAINTENANCE MANUAL
D. Parts
~.............................................................................. | MM | | IPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 402 | 1 | Washer | 27-51-01 | 05 | 50 | | | 2 | Nut | | | 55 | | | 3 | Flap Assy - Aft (Aftflap) | | | 105 | | | 5 | Pin Assy - Sprt Arm (Pin) | | | 60 | | | 6 | Bolt (Lockbolt) | | | 45 | | | 7 | Push Rod Assy (Actuator Rod) | 27-51-39 | 04 | 230 | | | | (Tracks No. 3 and 6) | | | | | | | Push Rod Assy (Actuator Rod) | | 01 | 225 | | | | (Tracks No. 4 and 5) | | | | | | 8 | Washer (Tracks No. 3 and 6) | | 04 | 110 | | | | Washer (Tracks No. 4 and 5) | | 01 | 110 | | | 9 | Nut (Tracks No. 3 and 6) | | 04 | 115 | | | | Nut (Tracks No. 4 and 5) | | 01 | 115 | | | 11 | Bushing (Tracks No. 3 and 6) | | 04 | 145 | | | | Bushing (Tracks No. 4 and 5) | | 01 | 145 | | | 12 | Washer (Tracks No. 3 and 6) | | 04 | 110 | | | | Washer (Tracks No. 4 and 5) | | 01 | 110 | | | 13 | Bolt (Tracks No. 3 and 6) | | 04 | 105 | | | | Bolt (Tracks No. 4 and 5) | | 01 | 105 | 2......…........…...................................…..........….....….........1
E. References
(1)
12-21-20/301, Trailing Edge Flap System
(2)
24-22-00/201, Manual Control
(3)
27-51-03/601, Inboard Aftflap
(4)
29-11-00/201, Main Hydraulic Supply System
F.
Access
(1)
Location Zone
578 Inboard Flap Aftflap, LH
678 Inboard Flap Aftflap, RH
G.
Prepare for Installation (Fig. 402).
S 224-009
(1)
Examine the attach points of the aftflap arms for worn areas (Ref 27-51-03/601).
S 224-026
(2)
If used pins (5) will be installed, examine the pins for worn areas (Ref 27-51-03/601).
S 494-010
(3)
Install the strongback, spreader bar and the load positioner on the aftflap (Fig. 401).
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747-400 MAINTENANCE MANUAL
S 644-011
(4)
Lubricate the four pins with a thin layer of grease.
H.
Install the Inboard Aftflap
S 424-012
(1)
Connect the inboard aftflap to the aftflap arms:
(a)
Lift the aftflap (3) into its position on the airplane (Fig. 402).
(b)
Put the spindles (4) into the aftflap arms on the midflap.
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