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A 737-300/400/500MAINTENANCE MANUAL

NOTE:  TYPICAL INSTALLATION ALL CARDS MAY NOT BE INSTALLED.

B
Printed Circuit Cards - Landing Gear Logic Shelf - Installation Figure 401 (Sheet 2)
E38418
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A 737-300/400/500MAINTENANCE MANUAL

E11 FRONT PANEL
C Printed Circuit Cards - Landing Gear Logic Shelf - Installation Figure 401 (Sheet 3)
A07028
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A 737-300/400/500MAINTENANCE MANUAL
 (4)  S 014-005Remove the bar that holds the circuit card in the module.
 (5)  S 024-006Hold the card by the edges and lift the card from the module.
 NOTE:____ Carefully move the card side to side while you lift the card from the module.

 TASK 32-09-20-404-007
 3. Landing Gear Logic Shelf - Printed Circuit Cards - Installation
_______________________________________________________________
 A. References
 (1)  
AMM 20-40-12/201, Electrostatic Discharge Sensitive Devices

 (2)  
AMM 24-22-00/201, Manual Control

 B.
Access

 (1)  
Location Zones
 205 Electronic Compartment

 C.
Install the Circuit Card

 S 864-008
 (1)  Make sure that electrical power is removed from the airplane (AMM 24-22-00/201).
 S 864-009
 CAUTION: DO NOT TOUCH THE CIRCUIT CARD BEFORE YOU DO THE PROCEDURE FOR
_______ DEVICES THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE CIRCUIT CARDS THAT ARE IN THE MODULE.
 (2)  
Do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-40-12/201).

 S 214-010

 (3)  
Make sure that you have the correct replacement for the circuit card.

 (a)  
Make sure the connector on the card agrees with the connector in the module.

 NOTE: Make sure the card is aligned correctly when you compare
____
 the connectors.

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A
737-300/400/500MAINTENANCE MANUAL
 S 424-011
 (4)
Carefully install the card into the connector in the module.

 (a)  
Make sure the top of the card is level with the other cards in the module.

 S 414-012
 (5)  
Install the bar which holds the card in the module.

 (a)  
Make sure the bar is aligned correctly and that the screws are fully engaged.

 NOTE: If the bar or the screws will not install correctly,
____ make sure the card is aligned in the module correctly.
 S 414-013
 (6)  
Install the cover on the module.

 S 724-014

 (7)  
Do the test of the applicable circuit card in the task that follows.

 TASK 32-09-20-724-015
 4. Landing Gear Logic Shelf - Printed Circuit Cards - Test
_______________________________________________________
 A. General
 (1)  
This task has the tests which are necessary when you replace a circuit card in the landing gear module (on the E-11 shelf).

 (2)  
It is only necessary to do the test for the card or cards that you replaced.

 (3)  
The tests for the cards are in the sequence of the card number.
　
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