(12) are installed on the spring support (18).

 (b)
 Put the spring (14) and the guide fitting (15) on the spring support (18).

 EFF : ALL
53-35-12Page 407

 (c)
 Put the spring assembly (23) in position and install the pin (17) through the guide fitting (15), spring-support bracket assembly

 (27) and spring support (18).

 (d)
 Install the retaining ring (16) on the pin (17).

 (4) Install the hinge assemblies (10) and the mounting bracket (11):
 (a) Put the hinge assemblies (10) and the mounting bracket (11) in position and install and tighten the screws (7), the washers (5) and the nuts (4).
 NOTE : Do not install the screw, the washer and the nut required
____
 for the bonding strap (6) installation.

 (5)
 Install the blowout panel (1):

 (a)
 Put the blowout panel (1) in position and install the pins (9) through the hinge bracket assembly (19) and the two hinge assemblies (10).

 (b)
 Install the retaining rings (8) on the pins (9).

 (c)
 Install the screw (7), the bonding strap (6), the washer (5) and the nut (4).

 (d)
 Tighten the nut (4) and repair the damage to the bonding point protective coating (Ref. TASK 20-28-00-912-004).

 (6)
 Install the spring assembly (23) on the mounting bracket (11):

 (a)
 Put the end-fitting of the spring support (18) in position at the mounting bracket (11).

 (b)
 Install the pin (3) through the mounting bracket (11) and the end fitting of the spring support (18).

 (c)
 Install the retaining ring (2) on the pin (3).

 EFF : ALL
53-35-12Page 408

 (d) Adjust the spring adjust nut (12) until the full dimension of the spring (14) is 89.0 mm (3.5039 in.).
 NOTE : This dimension will set the spring (14) to the approximate
____ release force required to open the blowout panel.
 (e)
 With a spring scale that you can measure at least 45.0 daN (101.1640 lbf), attach the spring scale to the mounting bracket

 (11) at point 'X'.

 (f)
 Open the blowout panel (1) and make sure that the force necessary to open the panel is 38.0 +2.0 -2.0 daN (85.4273 +4.4961 -4.4961 lbf).

 NOTE : If you must adjust the force to the required limits, you
____ must do so at the spring adjust nut (12).
 (g)
 Remove the spring scale.

 (h)
 Close the blowout panel (1) and make sure that the clearance between the blowout panel contour and panel 192KB is:

 -longitudinal 3.0 +1.5 -1.5 mm (0.1181 +0.0590 -0.0590 in.)
 -lateral 3.0 +1.0 -1.0 mm (0.1181 +0.0393 -0.0393 in.).
 5. Close-up
________ Subtask 53-35-12-410-055
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the quick-release access panel 192KB (Ref. TASK 53-35-13-400-002).

 (3)
 Remove the access platform(s).

 EFF : ALL
53-35-12Page 409

 ACCESS PANELS - REMOVAL/INSTALLATION
____________________________________
 TASK 53-35-13-000-001
 Removal of the Belly Fairing Access Panels
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
 START A TASK ON OR NEAR:

 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE. NOTE : The removal procedure for one panel is given; the procedure is almost
____
 the same for all panels.

 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific adjustable access platform
 No specific blanking caps

 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
29-10-00-864-001 Depressurize the Green Hydraulic System
 29-10-00-864-002 Depressurize the Yellow Hydraulic System
　
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