C. Procedure
S 214-012
(1)
Make sure that the rubber plugs are installed in the metering tray at the correct locations. Compare the tray orifice configuration with that shown on the decal.
S 034-013
(2)
Remove the dust caps.
S 214-014
(3)
Make sure that the tray gasket and restrictor plugs (adjustment number) did not move. Install if necessary.
S 214-015
(4)
Make sure that the guide pins on the tray will engage with the E/E box.
S 214-016
CAUTION: ELECTRICAL PINS ON THE E/E BOX CONNECTOR AND THE TRAY CONNECTOR
_______ MUST NOT BE BENT OR DAMAGED. INSTALLATION OF THE E/E BOX WITH DAMAGED PINS COULD RESULT IN DAMAGE TO THE E/E BOX, THE TRAY ELECTRICAL CONNECTOR, OR THE SYSTEM COMPONENTS.
(5) Make sure that the electrical pins of the E/E box and the tray connector are not bent or damaged. Replace damaged components.
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757 MAINTENANCE MANUAL
S 434-017
CAUTION:_______SOME E/E BOXES ARE STATIC SENSITIVE. TAKE THE NECESSARY PRECAUTIONS WHEN YOU ARE TO HOLD THE E/E BOXES. READ THE PROCEDURE ON HOW TO HOLD ELECTROSTATIC-DISCHARGE SENSITIVE DEVICES (AMM 20-41-01/201). THE E/E BOXES CONTAIN DEVICES THAT CAN BE DAMAGED BY STATIC DISCHARGE.
(6) Carefully move the E/E box in the tray and engage the electrical connector.
NOTE: The E/E box front-face can be lifted about 1/8 inch above the
____ tray surface. This will permit better installation.
The E/E box front-face can be moved right to left (about 1/8 inch). This will help engage the electrical connector. During installation apply a light pressure to the front-face of the E/E box. Do not use force during installation.
S 434-018
(7)
Turn the keeper to align the deep slot with the T-hook.
S 434-019
(8)
Set the extractor on the T-hook and turn the keeper 180 degrees.
S 434-020
(9)
Tighten the front hold-down extractor. Turn the front hold-down extractor clockwise until the extractor clutch is fully engaged.
S 714-021
(10)
Move the E/E box left to right. Make sure that the E/E box is tight.
S 434-022
(11)
Tighten the extractor.
(12)
Make sure that the electrical connector is engaged.
(13)
Install the connections to the E/E box front if applicable.
(14)
Close all applicable circuit breakers.
S 214-023
S 434-024
S 864-025
TASK 20-10-01-024-026
4. Remove the Circuit Card Assembly________________________________
A. Reference
(1) AMM 20-41-01/201, Electro-Static Sensitive Devices
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757
MAINTENANCE MANUAL
B. Access
(1) Location Zone
100 Lower Half of Fuselage
C. Procedure (Fig. 402)
S 864-027
(1)
Open the applicable circuit breakers to remove electrical power.
S 014-028
(2)
Open the card file door.
S 034-029
CAUTION:_______CARD ASSEMBLIES ARE STATIC SENSITIVE. TAKE THE NECESSARY PRECAUTIONS WHEN YOU ARE TO HOLD THE CARD ASSEMBLIES. READ THE PROCEDURE ON HOW TO HOLD ELECTROSTATIC-DISCHARGE SENSITIVE DEVICES (AMM 20-41-01/201). THE CARD ASSEMBLIES CONTAIN DEVICES THAT CAN BE DAMAGED BY STATIC DISCHARGE.
(3)
Turn the ejectors on the card assembly until the card is loose in the guides.
S 024-030
(4)
Carefully slide the card out along the guides.
