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MAINTENANCE MANUAL
Airplane No.________ Hours ________ Record Test Flow Data: Flow No. 1 _________________ Flow No. 2 _________________ Flow No. 3 _________________ Flow No. 4 _________________ Flow No. 5 _________________ Flow No. 6 _________________ Flow No. 7 _________________ Flow No. 8 _________________
Maximum _____________________________________________Determine Individual Component Leakage Values: Actual Recommended ___________ _____________Flow
Flow Flow No. 2A, INBD Trailing Edge Flap Motor Null Leakage (No. 1 ______) -(No. 2 ______) = 2A ______ 1.49 GPM Flow No. 3A, INBD Trailing Edge Flap Control Valve Null Leakage (No. 2 ______) -(No. 3 ______) = 3A ______ 1.59 GPM Flow No. 4A, Empennage Null Leakage for Left INBD Elevator, Left OUTBD Elevator, and Upper Rudder (No. 3 ______) -(No. 4 ______) = 4A ______ Flow No. 5A, Left INBD and Left OUTBD Elevator Null Leakage INBD 1.06 GPM (No. 3 ______) -(No. 5 ______) = 5A ______ OUTBD 0.8 GPM___ Flow No. 5B, Upper Rudder Null Leakage (No. 4A ______) -(No. 5A ______) = 5B ______ 0.53 GPM Flow No. 6A, Lateral System Gross Flow, including Left Central Lateral Control Package, Left INBD Aileron, Left OUTBD Aileron (No. 3 ______) -(No. 6 ______) = 6A ______ Flow No. 7A, Central Lateral Control Package No. 1 and Left INBD Aileron Null Leakage (No. 3 ______) -(No. 7 ______) = 7A ______ Flow No. 7B, Left OUTBD Aileron Null Leakage (No. 6A ______) -(No. 7A ______) = 7B ______ 0.66 GPM Flow No. 8A, Left Null Leakage Central Lateral Control Package (No. 8 ______) -(No. 7 ______) = 8A ______ 0.53 GPM Flow No. 8B, Left INBD Aileron Null Leakage (No. 7 ______) -(No. 8A ______) = 8B ______ 0.66 GPM
Hydraulic System 1 Internal Leakage Test Data and Analysis Sheet
Figure 601
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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MAINTENANCE MANUAL
GROUND
SERVICE
DISCONNECT
Hydraulic System 1 Schematic
Figure 602
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MAINTENANCE MANUAL
TASK 29-11-00-796-058
7. Hydraulic System No. 2 - Full Internal Leakage Check
____________________________________________________
A. Special Tools and Equipment
(1)
4MIT65B80307-1- Protractor
(2)
3MIT65B80307-1 - Control Wheel Adapter
B.
Standard Tools and Equipment
(1)
410DME-10AR Flowmeter (commercially available)
ACL Technologies Inc.
Santa Clara, CA 92705-5419
-
It must be able to pass a flow of 32 gpm at 3000 psig without damage.
-
It must measure a flow of 0.25 to 7.50 gpm with a precision of | 0.5% of the reading.
C.
References
(1)
AMM 24-22-00/201, Manual Control
(2)
AMM 27-51-00/201, Trailing Edge Flap System
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AMM 29-11-23/201, Pressure Filter Module
(5)
AMM 32-00-30/201, Landing Gear Doors
(6)
AMM 54-62-00/201, Nacelle Strut Access Panels
(7)
AMM 54-62-02/501, Nacelle Strut Access Doors
(8)
AMM 54-62-03/501, Trailing Edge Fairing Doors
D.
Access
(1)
Location Zone
464 System 2 - Strut Aft Fairing
484 System 4 - Strut Aft Fairing
735 System 2 - Wing Landing Gear Wheel Well
(2)
Access Panel 464AL Trailing Edge Fairing Doors - System 2 484AL Trailing Edge Fairing Doors - System 4
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