(8)
Close the left and right fan cowl panels (AMM 71-11-04/201). S 442-377
(9)
Do the activation procedure for the thrust reverser (AMM 78-31-00/201).
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747-400 MAINTENANCE MANUAL
STRUT SYSTEMS SEALANT - MAINTENANCE PRACTICES
_____________________________________________
1. General
_______
A. This procedure contains the data to apply sealant to the systems that go through the strut structure.
TASK 54-53-01-392-001
2. Strut Systems Sealant Application (Fig. 201)
_________________________________
A. Consumable Materials
(1) A00160 BMS5-63, Sealant
B. References
(1)
AMM 51-31-01/201, Seals and Sealing
(2)
AMM 54-62-00/201, Nacelle Strut Access Doors
(3)
AMM 71-11-04/201, Fan Cowl Panels
(4)
AMM 71-11-06/201, Core Cowl Panels
(5)
AMM 78-31-00/201, Thrust Reverser
C. Access
(1)
Location Zone
452 Nacelle Strut 1 - Torque Box
462 Nacelle Strut 2 - Torque Box
472 Nacelle Strut 3 - Torque Box
482 Nacelle Strut 4 - Torque Box
(2)
Access Panel
452AL Nacelle Strut - Strut #1
462AL Nacelle Strut - Strut #2
472AL Nacelle Strut - Strut #3
482AL Nacelle Strut - Strut #4
D. Procedure
S 042-016
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ THRUST REVERSER. THE ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
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747-400
MAINTENANCE MANUAL
EXAMPLE OF AN INBOARD OR OUTBOARD STRUT
Strut Systems Sealant
Figure 201 (Sheet 1)
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C58508
A
747-400
MAINTENANCE MANUAL
FEEDER POWER A
WEB MIDSPAR STRUT
A
A
FEEDER POWER CLAMP SEAL BLOCK BLOCK SEAL
DC93-006
(EXAMPLE) DC93-006
(14 LOCATIONS)
A-A
Strut Systems Sealant
Figure 201 (Sheet 2)
C65726
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747-400
MAINTENANCE MANUAL
(2) S 012-017Open the left fan cowl panel (AMM 71-11-04/201).
(3) S 012-018Open the left core cowl panel (AMM 71-11-06/201).
S 012-019
WARNING: OBEY THE INSTRUCTIONS IN THE PROCEDURE TO OPEN THE THRUST
_______ REVERSERS. IF YOU DO NOT OBEY THE INSTRUCTIONS, INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR.
(4)
Open the left thrust reverser (AMM 78-31-00/201).
S 012-005
(5)
Do the procedure to open the applicable access doors (AMM 54-62-00/201).
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