HOSE HALF OF THE
HYDRAULIC BRAKE
DISCONNECT
WEAR INDICATOR PIN (2 LOCATIONS) (REF)
LANDING GEAR BRAKE UNIT INSTALLATION J
Hydraulic Brake System - Component Location
Figure 102 (Sheet 7)
C17324
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-00
ALL ú ú 01 Page 108 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 FAULT ISOLATION/MAINT MANUAL
SEE K (WING BUTTOCK LINE 163) HYRDRAULIC PRESSURE SURGE ACCUMULATOR MARKER (REF) INSTRUCTIONS CHARGING
HYDRAULIC PRESSURE
SURGE ACCUMULATOR
INSTALLATION
(WING GEAR BRAKES)
HYDRAULIC PRESSURE SEE K
DIRECT READING
SURGE ACCUMULATOR INBD
PRESSURE GAGE
INSTALLATION GAS CHARGING (BODY GEAR BRAKES) VALVE FWDSEE L
NOTE: LEFT SIDE INSTALLATION SHOWN, RIGHT SIDE INSTALLATION EQUIVALENT.
HYDRAULIC PRESSURE SURGE ACCUMULATOR INSTALLATION (WING GEAR BRAKES)
HYDRAULIC PRESSURE
SURGE ACCUMULATOR
K
(RIGHT BODY WHEEL
DIRECT READING
WELL, STA 1465)
PRESSURE GAGE
GAS
CHARGING
VALVE
CHARGING
INSTRUCTIONS
MARKER (REF)
HYDRAULIC PRESSURE SURGE ACCUMULATOR
INSTALLATION (BODY GEAR BRAKES)
L
Hydraulic Brake System - Component Location
Figure 102 (Sheet 8)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-00
ALL ú ú 01 Page 109 ú Jun 10/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
C17329
A
747-400 MAINTENANCE MANUAL
HYDRAULIC BRAKE SYSTEM - MAINTENANCE PRACTICES
______________________________________________
1. General_______
A. This procedure contains these tasks:
-Bleed the Main Gear Wheel Brake System
-Antiskid Module Hydraulic Fuse Capacity Test
TASK 32-41-00-872-001
2. Bleed the Main Gear Wheel Brake System______________________________________
A. General
(1)
This section contains steps to bleed air from the brake lines. Bleed the brakes after a hydraulic line between the antiskid modules and the brakes has opened or when you think there is air in the hydraulic lines.
B.
References
(1)
AMM 09-11-00/201, Towing
(2)
AMM 12-12-01/301, Hydraulic Systems
(3)
AMM 29-11-00/201, Main Hydraulic Supply System
(4)
AMM 32-00-30/201, Landing Gear Door Locks
(5)
AIPC 32-41-15-01
C.
Access
(1)
Location Zones
755 Body Landing Gear - Left
765 Body Landing Gear - Right
735 Wing Landing Gear - Left
745 Wing Landing Gear - Right
D.
Prepare to Bleed the Brake Lines
S 492-002
(1)
Make sure that the landing gear ground locks are installed (AMM 09-11-00/201).
(2)
Make sure that chocks are installed at all wheels.
S 942-003
S 492-004
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK(S) 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.
(3) Do this task: "Installation of the Door Locks on the Wing Landing Gear" (AMM 32-00-30/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-41-00
ALL ú ú 01 Page 201 ú Jun 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 492-033
(4)
Do this task: "Installation of the Door Locks on the Body Landing Gear" (AMM 32-00-30/201).
