C.
Standard Tools and Equipment
(1)
Brake Sling - Single ply nylon web belt choker sling, 4-inch wide, 6 feet long, P/N TC1-804 6 FT., Tubbs Cordage Co., 200 Bush Street, San Francisco, CA. 94104 (applicable for use on cool brakes).
(2)
Brake Sling - Model G-59 choker type sling, 6 inches wide by 7 feet long, Cambridge Wire Cloth Co., Cambridge, Maryland (Optional: ACCO wire mesh sling, 6 inches wide, 14 gage, type 1, American Chain and Cable Co., 271 So. Pennsylvania Avenue, Wilkes-Barre, Pa. 18703) (applicable for use on hot brakes)
(3)
Brake Change Adapter
(4)
Wheel Change Dolly - (Used with the Brake Change Adapter).
D.
References
(1)
AMM 05-51-10/201 High Energy Stops/Heat Damage
(2)
AMM 09-11-00/201 Towing
(3)
AMM 29-11-00/201 Main Hydraulic Supply System
(4)
AMM 32-00-30/201 Landing Gear Door Locks
(5)
AMM 32-42-04/401 Wheel Speed Transducer
(6)
AMM 32-45-01/401 Main Gear Tire/Wheel Assembly
(7)
AMM 32-46-01/401 Brake Temperature Sensor Assembly
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32-41-15
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(8)
AIPC 32-11-12 Fig. 1
(9)
AIPC 32-13-12 Fig. 1
(10)
AIPC 32-41-00 Fig. 1
(11)
AIPC 32-41-15 Fig. 1
(12)
AIPC 32-45-03 Fig. 2
(13)
AIPC 32-46-01 Fig. 1
(14)
AIPC 32-42-20 Fig. 1
(15)
AIPC 32-61-57 Fig. 20
E.
Access
(1)
Location Zones
755 Body Landing Gear - Left
765 Body Landing Gear - Right
735 Wing Landing Gear - Left
745 Wing Landing Gear - Right
F.
Prepare for Removal
S 594-055
(1)
For ground safety precautions necessary in the handling of hot brakes refer to High Energy Stop/Heat Damage Condition (AMM 05-51-10/201).
S 494-001
(2)
Make sure that the landing gear ground locks are installed (AMM 09-11-00/201).
S 864-002
(3)
Make sure the wheel chocks are installed.
S 864-071
(4)
If necessary, release the parking brake.
S 864-072
(5)
Make sure the power is removed from hydraulic systems 1, 2, and 4 (AMM 29-11-00/201).
S 764-091
(6)
Open this circuit breaker and install a DO-NOT-CLOSE-TAG:
(a)
P180 DC Power Distribution Panel
1) 180J10 BRAKE TEMP IND
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747-400 MAINTENANCE MANUAL
S 764-090
(7) Open the applicable circuit breaker shown and install a DO-NOT-CLOSE tag(s):
NOTE: The numbers after the words TORQUE LIMIT show the
____ wheel numbers of the main landing gear to which the circuit applies. Figure 401 shows the wheel numbers of the main landing gear.
(a) P180 DC Power Distribution Panel
1) 180J9 TORQUE LIMIT 1, 5, 9, 13
2) 180F9 TORQUE LIMIT 2, 6, 10, 14
3) 180J24 TORQUE LIMIT 3, 7, 11, 15
4) 180F24 TORQUE LIMIT 4, 8, 12, 16
S 494-073
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE DOOR LOCKS ON THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(8)
Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
S 494-075
(9)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
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