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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
B.
C.
D.
E.
A
747-400 MAINTENANCE MANUAL
(2)
G27036-46 - Horizontal Stabilizer Hinge Bearing Free Play Check Tool (which is referred to as the "check tool")
NOTE:____Use this tool with shear deck fittings (Fig. 201). Use the tool only in an area that has no high winds.
(3)
6MIT65B03670 - Horizontal Stabilizer Hinge Bearing Free Play Check Tool (which is referred to as the "check tool") (Optional)
NOTE:____Use this tool with shear deck fittings (Fig. 201). Use the tool only in an area that has no high winds.
(4)
G27036-47 - Adapter (Required to use with 6MIT65B03670)Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Preferred)
(2)
D00013 Grease - MIL-G-23827 (Optional)References
(1)
AMM 06-09-06/201, Stabilizer and Elevator Access Doors and Panels
(2)
AMM 24-22-00/201, Manual Control
(3)
AIPC 55-10-50-01Access
(1)
Location Zone 311 Area Aft of Pressure Bulkhead, LH 312 Area Aft of Pressure Bulkhead, RH 315 Area Aft of Stabilizer Box Compartment, LH 316 Area Aft of Stabilizer Box Compartment, RH
(2)
Access Panel 315A Access Door
Procedure
S 422-019
(1)
Install the pivot pins (7 and 8):
(a)
Apply a layer of grease (BMS 3-33 or MIL-G-23827) to the inner pivot pin (8) and the bearing surface of the outer pivot pin (7).
(b)
Put the inner pivot pin (8) in the outer pivot pin (7).
(c)
Align the support fittings (14 and 17) with the stabilizer hinge bearing (15).
(d)
Install the pivot pins (7 and 8) with the bolt heads inboard.
1) Make sure you align the slots in the pivot pin heads for the subsequent installation of the antirotation plate (12).
(e)
Install the outer nut (22).
1) Tighten the outer nut (22) by hand.
(f)
Move the inner pivot pin (8) approximately 4 inches (102 millimeters) inboard.
(g)
Install the bolt (23).
(h)
Loosen the outer nut (22) 30 degrees to align the bolt.
(i)
Move the inner pivot pin (8) to its initial position.
(j)
Make sure you align the slots in the pivot pin head.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-41-02
ALL ú ú 03 Page 208 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
(k) (l) (m) (n) (o) (p) Install the inner nut (20). 1) Tighten the inner nut (20) to 500-700 pound-inches (56.5-79.1 newton-meters).Install the internal lockbolt (9) with the cotter pin (21).Install the antirotation plate (12), the washer (11) and the lockbolt nut (10).Make sure you install the antirotation plate (12) in the notch of the adjustment screw (6) and the pivot pins (7 and 8).Tighten the lockbolt nut (10) to 50-70 pound-inches (5.7-7.9 newton-meters).Install the cotter pin. 1) If it is necessary, you can loosen the lockbolt nut (10) to align the cotter pin hole.
S 092-061
(2) Remove the check tool.
S 862-011
(3) Do this task: "Remove Electrical Power" (AMM 24-22-00/201).
S 412-027
(4) Install the access panel 334GB or 344GB (AMM 06-09-06/201).
S 862-012
(5) Make sure the FLT CONTROL HYD POWER TAIL switches on the P461, Pilots' Overhead Maintenance Panel are in NORM.
S 862-010
(6) Remove the DO-NOT-CLOSE tags and close these circuit breakers: (a) P180, DC Power Distribution Panel 1) 180E7, ELEV/RUD VLV SYS 2 2) 180E22, ELEV/RUD VLV SYS 4 3) 180H8, ELEV/RUD VLV SYS 1 4) 180H23, ELEV/RUD VLV SYS 3
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