S 794-015
(7)
While the parking brake is set, listen and feel for gas leaks at the transmitter.
G.
Put the Airplane Back to Its Usual Condition
(1)
Remove electrical power, if it is not necessary (AMM 24-22-00/201).
S 864-029
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
MAIN GEAR BRAKE SWIVEL - REMOVAL/INSTALLATION
_____________________________________________
1. General
A. This procedure removes and installs the main gear brake swivel.
TASK 32-41-61-004-001
2. Remove the Main Gear Brake Swivel (Fig. 401)_________________________________
A. References
(1)
29-15-00/201, Hydraulic System
B.
Access
(1)
Location Zones
310 Left Main Landing Gear
410 Right Main Landing Gear
C.
Procedure
S 214-002
(1)
Make sure that the ground downlocks of the landing gear are engaged.
S 844-003
(2)
Put the chocks on the wheels and release the parking brake.
S 844-004
(3)
Remove the pressure from the hydraulic system A and B (AMM 29-15-00/201).
S 034-005
(4)
Disconnect the hydraulic lines connected to the swivel and seal the lines with caps.
(5)
Remove the attach bolts from the bracket cap.
(6)
Remove the bracket cap and the swivel.
S 024-006
S 024-007
TASK 32-41-61-404-008
3. Install Main Gear Brake Swivel (Fig. 401)______________________________
A. References
(1) 12-12-00/301, Hydraulic Reservoir
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
SEE A
ATTACH BOLTS
BRACKET CAP
A MAIN GEAR BRAKE SWIVEL ASSEMBLY SEE TRUNNION LINK
FWD
SEE B SWIVEL FWD
LINES HYDRAULIC HYDRAULIC LINES FITTING
FITTING (DYNAMIC)
NUT HOUSING (SWIVEL) A
B
Figure 401 Main Gear Brake Swivel Installation
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
(2)
29-15-00/201, Hydraulic System
B.
Access
(1)
Location Zones
310 Left Main Landing Gear
410 Right Main Landing Gear
C.
Procedure
S 424-020
WARNING: MAKE SURE THAT THE SWIVEL JOINT AND THE HYDRAULIC LINES ARE
_______ ORIENTED AS SHOWN IN FIG. 401, DETAIL A. THE HYDRAULIC LINE TO THE BRAKE ASSEMBLY MUST BE CONNECTED TO THE SWIVEL HOUSING AND THE HYDRAULIC LINE FROM THE ANTI-SKID VALVE TO THE SWIVEL FITTING AS SHOWN IN FIG. 401, DETAIL B. IF THE ASSEMBLY OF THE SWIVEL AND THE HYDRAULIC LINES ARE ROTATED 180 DEGREES, THE HYDRAULIC LINES CAN BE CONNECTED, BUT THE SWIVEL WILL NOT OPERATE. THIS CAN CAUSE THE HYDRAULIC LINES TO BREAK DURING EXTENSION AND RETRACTION AND CAUSE THE BRAKE PRESSURE TO BE LOST.
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