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A
747-400 MAINTENANCE MANUAL
STABILIZER TRIM HYDRAULIC BRAKES - REMOVAL/INSTALLATION
_______________________________________________________
1. General________
A. There are two tasks in this procedure. There is one task each the for the removal and the installation of the stabilizer trim hydraulic brake. The procedure has these parts:
(1)
The removal of the stabilizer trim hydraulic brake
(2)
The installation of the replacement hydraulic brake
(3)
An operational test of the hydraulic brake.
B.
The removal and installation procedure for the hydraulic brake is the same for the left or the right hydraulic brake.
TASK 27-41-05-004-001
2. Stabilizer Trim Hydraulic Brakes Removal (Fig. 401)________________________________________
A. Standard Tools and Equipment
(1)
Bucket - 1 gallon capacity (for hydraulic fluid)
B.
References
(1)
AMM 06-09-05/201, Body section 48 Access Doors and Panels
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AIPC 27-41-06, Fig. 1
C.
Access
(1)
Location Zone
311 Area Aft of Pressure Bulkhead, LH
312 Area Aft of Pressure Bulkhead, RH
(2)
Access Panel 312A Horizontal Stabilizer Jackscrew Access Door
D.
Procedure
S 864-002
(1)
Do this task to depressurize the hydraulic systems No. 2 and No. 3: "Hydraulic System Depressurization" (AMM 29-11-00/201).
(2)
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).
(3)
Set the STAB TRIM 2 and 3 switches on the control stand to CUTOUT.
S 864-003
S 864-004
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747-400
MAINTENANCE MANUAL
SEE A
SEE B
MOTOR DRAIN PORT
(TYP)
PRESS PORT H1
(TYP)
RETURN PORT H2
(TYP)
SEAL DRAIN
PORT H3
ADAPTER
(TYP)
3. ATTACHMENT NUT
(4 PLACES)
BULL GEAR HOUSING COVER
2. DIFFERENTIAL
BRAKE SHAFT
1. O-RING (TYP)
A
Horizontal Stabilizer Trim Drive Mechanism Hydraulic Brake Installation Figure 401 (Sheet 1)
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747-400
MAINTENANCE MANUAL
4. HYDRAULIC BRAKE
3. NUT
5. WASHER
3. NUT
5. WASHER
8. PACKING
7. NUT
6. ADAPTER
8. PACKING
7. NUT
6. ADAPTER
9. BOLT
HYDRAULIC BRAKE 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 3(169)
