(a)
P7, Overhead Circuit Breaker Panel
1) 7G6, SPEED BRAKE AUTO CONT
S 862-068
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Do this task to pressurize hydraulic systems No. 1 and No. 4: "Hydraulic System Pressurization" (AMM 29-11-00/201).
S 862-121
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
(3)
Put the flap control lever in the 30-unit detent to extend the trailing edge flaps.
(4)
Put the speed brake control lever in the UP position.
(5)
Install the spoiler actuator locking tool.
S 862-070
S 492-071
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747-400 MAINTENANCE MANUAL
S 862-072
WARNING: DO NOT PUT A PART OF YOUR BODY BETWEEN THE SPOILER AND THE WING
_______ UNLESS THE SPOILER ACTUATOR IS LOCKED OR THE HYDRAULIC POWER IS RELEASED. THIS CAN CAUSE INJURY TO PERSONS.
(6)
Do this task to depressurize hydraulic systems No. 1 and 4: "Hydraulic System Depressurization" (AMM 29-11-00/201).
S 862-074
(7)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
S 862-075
(8)
Put the FLT CONTROL HYD POWER - WING system 4 switch on the pilots' overhead panel, P5, to the SHUTOFF position.
S 862-076
(9)
Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a)
P180, DC Power Distribution Panel
1) 180E22, LATERAL CONT VLV SYS 4
S 012-077
(10)
Open the wing access panel below the spoiler control package (572FB, left wing; 672FB, right wing).
S 022-078
(11)
Remove the filter:
(a)
Put a container below the spoiler control package to catch the hydraulic fluid.
(b)
Remove the filter (20) and the filter cap (19) from the control package.
TASK 27-61-04-402-080
5. Filter Installation (Fig. 201)
___________________
A. Consumable Materials
(1)
D00054, Lubricant - Hydraulic System, MCS 352
(2)
D00196, Fluid - Hydraulic, BMS 3-11, Class 1
(3)
D00149, Fluid - Hydraulic, BMS 3-11, Class 2, (optional to class 1)
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747-400 MAINTENANCE MANUAL
B. Parts
~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 201 | 19 | Filter Cap | 27-61-04 | 05 | 5 | | | 20 | Filter | | | 20 | | | 21 | Backup Ring | | | 10 | | | 22 | Packing (O-ring) | | | 15 | | | 23 | Backup Ring | | | 25 | | | 24 | Packing (O-ring) | | | 30 | 2......…........…...................................…..........….....….........1
C. References
(1)
AMM 12-12-01/301, Hydraulic Systems
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
D.
Access
(1)
Location Zone
575 Spoiler No. 5
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