(5)  
Insert the safety pin, located above the handles and attached to a safety chain, in the latch fitting and guide on door frame and protector screen.

CAUTION:  THE TIRE BURST PROTECTOR SCREEN DOORS MUST BE IN CLOSED POSITION TO PREVENT DAMAGE TO THE AIRPLANE WHEN THE MAIN LANDING GEAR IS RETRACTED.
500 
52-49-31 Page 202  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  May 15/70 

515  Tire Burst Protector Screen Door Latch Mechanism (Typical) 
Feb 20/85  Figure 201 (Sheet 1)  52-49-31 
Page 203 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

Tire Burst Protector Screen Door Latch Mechanism (Typical)  515 
52-49-31  Figure 201 (Sheet 2)  Feb 20/85 
Page 204 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

TIRE BURST PROTECTOR - REMOVAL/INSTALLATION
EFFECTIVITY
Airplanes with Tire Burst Screens
1.  Equipment and Materials
A.  Rigging Pin - TP-1, 1/8 inch diameter
2.  Remove Tire Burst Protector (Fig. 401)
A.  Remove center tire burst protector screen as follows (if installed): Remove two bolts attaching screen to lower screen support and remove screen.
B.  Remove all rods and support strut from outboard sections of tire burst protector screen doors (Sections B-B and C-C).
C.  Remove doors from screen support (Detail A):
(1)  
Rotate spring safety latch on end of upper handle, and release upper handle from closed and latched position.

(2)  
Rotate upper handle away from door and pull handle downward to remove lower latch pin.

(3)  
Push up on lower handle and disengage upper latch pin.

D.  Remove rods connected to upper and lower screen supports (Section A-A).
E.  Remove proximity sensors from upper screen support (Detail A).
F.  Remove screen supports.
3.  Install Tire Burst Protector (Fig. 401)
A.  Connect upper and lower screen supports to wheel well (Section A-A).
B.  Install rod 1 on upper screen support and adjust to obtain dimension shown in Section A-A.
C.  Connect left and right tire burst protector screen doors to screen support (Detail A):
(1)  
Position tire burst protector screen doors on screen supports and pull down on lower handle.

(2)  
Push upper handle upward and rotate handle toward door. Check that upper and lower latch pins are properly inserted in the latch fitting on door frame and support structure.

WARNING:  OBSERVE NECESSARY CAUTION TO AVOID INJURY, SINCE DOORS ARE FREE TO MOVE.
5C1
Jun 20/86 52-49-31 Page 401
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

Tire Burst Protector Installation  515 
52-49-31 Page 402  Figure 401 (Sheet 1) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 20/85 

515  Tire Burst Protector Installation 
Feb 20/85  Figure 401 (Sheet 2) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  52-49-31 Page 403 

Tire Burst Protector Installation  500 
52-49-31 Page 404  Figure 401 (Sheet 3) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 15/78 

500  Tire Burst Protector Installation 
Feb 15/78  Figure 401 (Sheet 4) BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  52-49-31 Page 405 

D.  Check that upper and lower latch pins (Detail A) are not binding. If pins bind, adjust rod 1 on upper screen support to eliminate binding.
E.  Connect two remaining rods on outboard sections of left and right doors and adjust to fit door in present position (Sections B-B and C-C).
F.  Connect rod at lower screen support (Section A-A).
G.  Adjust rods at screen supports such that doors open and close freely.
H.  Install rigging pin TP-1 in center strut and adjust center strut to fit door in present position. Tighten jamnuts and remove rig pin (Section B-B).
I.  Install and adjust rods 2 and 3 on upper screen support such that doors open and close freely (Section A-A).
J.  Tighten jamnuts on all rods and check inspection hole on each rod end to verify that at least half of inspection hole is covered by center tube of rod. If not, adjust tube so that condition is met.
K.  Install tire burst protector screen door proximity sensors on upper screen support (Detail A) and adjust per 52-71-0, Adjustment/Test.
　
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