| air sensing test| |
| when airplane is | switch| |
|
|
|
|
| in air| |
|
|
2..........….....................….................…...........................1
*[1] Both test switches must be actuated simultaneously to allow ground operation of stall warning system.
5. Structural Fuse Points
______________________
A. Certain connections are made with fasteners designed to fail first under excessive shock loads. The fasteners are designed to minimize damage to primary structure if attached components are subjected to severe impact loads. Listed are those connections in landing gear systems with the subject number where additional information may be found.
~........................................................................... | Structural Fuse Points | ............................................................................. | SUBJECT | FASTENER | | | NO. | TYPE | PART CONTAINING FASTENER | ............................................................................. | 32-11-0 | (2) NAS1304-31 | MAIN GEAR REAR TRUNNION BEARING | | | (2) NAS1306-31 | | ............................................................................. | 32-11-0 | 69-42196-( ) | MAIN GEAR FORWARD TRUNNION BEARING | ............................................................................. | 32-11-31 | 69-39476-( ) | MAIN GEAR DRAG STRUT UPPER ATTACHMENT | ............................................................................. | 32-51-21 | MS20426A5 | RUDDER PEDAL STEERING CONTROL ROD | 2.............….................…...........................................1
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32-00-00
ALL ú ú 01 Page 10 ú Mar 15/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
GROUND LOCK ASSEMBLIES - MAINTENANCE PRACTICES
______________________________________________
1. General_______
A. This subject has two tasks, one for the removal/installation of the ground lock assembly and one for the removal/installation of the nose gear steering lockout pin.
TASK 32-00-01-902-001
2. Ground Lock Assembly - Removal/Installation (Fig. 201)___________________________________________
A. Special Tools and Equipment
(1)
Ground Lock Assembly - F72735
B.
Procedure - Install the Gear Ground Lock Assembly
S 602-010
WARNING: YOU MUST MAKE SURE THE NOSE LANDING GEAR IS IN THE DOWN AND
_______ LOCKED POSITION BEFORE YOU TRY TO INSTALL THE GROUND LOCK ASSEMBLY IN THE NOSE LANDING GEAR. IF THE NOSE LANDING GEAR IS NOT IN THE DOWN AND LOCKED POSITION, THE NOSE LANDING GEAR COULD RETRACT AND CAUSE INJURIES OR DEATH THE PERSONS AND DAMAGE TO EQUIPMENT.
(1) Make sure the nose and main landing gear are all in the down and locked position.
S 422-007
WARNING: YOU MUST BE CAREFUL WHEN YOU INSTALL THE GROUND LOCK ASSEMBLIES
_______ IN THE LANDING GEAR. MAKE SURE OTHER PERSONS DO NOT MOVE THE CONTROL LEVER FOR THE LANDING GEAR TO THE UP POSITION. IF THEY MOVE THE CONTROL LEVER TO THE UP POSITION, THE LANDING GEAR COULD RETRACT AND CAUSE INJURIES OR DEATH THE PERSONS AND DAMAGE TO EQUIPMENT.
(2)
Install the gear ground lock assembly as follows:
(a)
Insert the ground lock assembly in the lock brace.
(b)
Insert the safety pin in the ground lock assembly.
C.
Procedure - Remove the Gear Ground Lock Assembly
S 022-003
(1)
Remove the gear ground lock assembly as follows:
(a)
Remove the safety pin from the ground lock assembly that is installed in the landing gear brace.
(b)
Pull the ground lock assembly from the lock brace.
TASK 32-00-01-902-004
3. Nose Gear Steering Lockout Pin - Removal/Installation (Fig. 202)_____________________________________________________
A. Special Tools and Equipment
(1) Nose Gear Steering Lockout Pin - F72735-13
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