F.
Remove the Body Seal Door
S 022-012
(1)
Remove the body seal door:
(a)
Remove the stabilizer blade seals.
(b)
Disconnect the bonding jumper.
(c)
Remove the bolt from the door fitting.
(d)
Remove the bolt from the link rod end.
(e)
Remove the bolts from the hinge fittings.
(f)
Remove the body seal door.
S 862-013
(2) Keep the door mechanism in the retracted position to prevent damage to the linkage.
TASK 27-41-14-402-014
3. Horizontal Stabilizer Body Seal Door Installation_________________________________________________
A. Special Tools and Equipment
(1)
24MIT65B00002 Safety Device (for Wing and Stabilizer)
(2)
LS1205TB Full Body Harness D. B. Industries
B.
Standard Tools and Equipment
(1)
Air Blower - explosion proof, 90-100 CFM capacity
(2)
Hose - flexible, sufficient length to reach stabilizer area
C.
Consumable Materials
(1)
D00633 Grease - BMS 3-33 (Preferred)
(2)
D00013 Grease - MIL-G-23827 (Optional)
D.
References
(1)
AMM 06-09-05/201, Body Section 48 Access Doors and Panels
(2)
AMM 27-41-14/601, Horizontal Stabilizer Body Seal Door
(3)
AIPC 27-41-05, Fig. 1
(4)
AIPC 27-41-14 Fig. 2
(5)
AIPC 27-41-14, Fig. 3
E.
Access
(1)
Location Zone
313 Stabilizer Torsion Box Compartment, LH
314 Stabilizer Torsion Box Compartment, RH
(2)
Access Panel 312A Horizontal Stabilizer Jackscrew Access Door 315A Access Door
F.
Procedure
S 222-015
(1) Do this task to make sure the body seal door and the attachment fittings are in the tolerances: "Horizontal Stabilizer Body Seal Door Inspection" (AMM 27-41-14/601).
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 422-016
(2)
Install the body seal doors:
(a)
Apply a thin layer of grease (BMS 3-33 or MIL-G-23827) to the bolts.
(b)
Set the door on the body hinge fittings.
(c)
Install the hinge fitting bolts, the washers, the nuts and the cotter pins.
(d)
Connect the door fitting and the link rod with the washers, the nut, and the cotter pin.
(e)
Tighten the bolt to 20-25 pound-inches (2.3-2.8 newton-meters).
1) If it is necessary to install the cotter pin, loosen the nut to the next slot.
(f)
Connect the bonding jumper.
S 092-017
(3)
Remove the hose and the air blower from the stabilizer section if it is not necessary.
S 862-019
(4)
Set the STAB TRIM 2 and 3 switches to ON.
S 862-020
(5)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P7, Overhead Circuit Breaker Panel
1) 7E7, STAB TRIM L S/O VLV
2) 7E20, STAB TRIM R S/O VLV
S 712-021
(6) Do this task: "Operational Test - Horizontal Stabilizer Body Seal Door" (Ref paragraph 7.).
TASK 27-41-14-002-022
4. Horizontal Stabilizer Body Seal Door Mechanism Removal (Fig. 202)
______________________________________________________
A. Standard Tools and Equipment
(1)
Air Blower - explosion proof, 90-100 CFM capacity
(2)
Hose - flexible, sufficient length to reach stabilizer area
B.
References
(1)
AMM 06-09-05/201, Body Section 48 Access Doors and Panels
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