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757 MAINTENANCE MANUAL
~.............................................................................. | Table 401 | ................................................................................ | SYSTEM | PRINTED-CIRCUIT CARD | CIRCUIT BREAKERS | ................................................................................ | DUCT LEAK, | M691 - DUCT LEAK, | 11A32, INDICATOR LIGHTS 1 | | WHEEL WELL FIRE| W/W FIRE *[1]| 11B10, WW FIRE DETECTION | | | M10428 - DUCT LEAK, | 11B18, WARN ELEX B | | | W/W PWR | 11B35, WW FIRE TEST | | | SUPPLY *[1] | 11J33, WARN ELEX A | | | | 11P1, L IND LTS 1 | | | | 11P28, R IND LTS 1 | | | | 11Q17, DUCT LEAK DET LEFT | | | | 11Q25, DUCT LEAK DET RIGHT | | | | 11Q26, DUCT LEAK CONT | 2................….......................….....................................1
*[1] ESDS device. card has STATIC SENSITIVE placard on the extractors.
S 014-002
CAUTION: DO NOT REMOVE THE PRINTED-CIRCUIT CARD BEFORE YOU READ THE
_______ PROCEDURE FOR THE REMOVAL/INSTALLATION OF ELECTROSTATIC DISCHARGE SENSITIVE DEVICES (20-41-01). ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE CARD.
(2)
Open the applicable card file door. The fire detection cards, M691 and M10428, are in P50, and all of the other cards are in P54.
S 034-003
(3)
Loosen but do not remove the three screws of the safety bar which holds the printed-circuit card.
S 034-004
(4)
Move the safety bar away along the tracks in the bar, and then lift the bar from the screws.
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S 024-005
(5) To remove the printed-circuit card, hold the card ejectors and pull.
NOTE: The card location diagram is on the inner side of the panel
____
door.
TASK 26-10-01-424-006
3. Install the Printed-Circuit Card (Fig. 401)
________________________________
A. References
(1)
AMM 20-41-01/201, Electrostatic Discharge Sensitive Devices
(2)
AMM 24-22-00/201, Electrical Power - Control
(3)
AMM 26-16-00/501, Cargo Compartment Smoke Detection
B. Install the Printed-Circuit Card
S 424-007
CAUTION: DO NOT INSTALL THE PRINTED-CIRCUIT CARD BEFORE YOU READ THE
_______ PROCEDURE FOR THE REMOVAL/INSTALLATION OF ELECTROSTATIC DISCHARGE SENSITIVE DEVICES (20-41-01). ELECTROSTATIC DISCHARGE CAN CAUSE DAMAGE TO THE CARD.
(1)
Install the printed-circuit card in the card tracks and push in until connected correctly with the connector.
S 434-008
(2)
Put the safety bar for the circuit-card along the screws and move the bar back to its initial position.
S 434-005
(3)
Tighten the screws which hold the bar in its position.
(4)
Close the card file door.
S 864-007
(5)
Remove the DO-NOT-CLOSE tags and close the circuit breakers on the overhead circuit breaker panel, P11. The applicable card to be installed is in TABLE 401.
S 414-006
C. Do a Test of the Printed-Circuit Card Installation
S 864-008
(1)
Supply electrical power (AMM 24-22-00).
(2)
Make sure the circuit breakers on the P11 panel are closed.
S 754-009
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E.
F.
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MAINTENANCE MANUAL
Do a Test of the AFOLTS Card Installation for the Engine, APU, and Cargo Fire Detection Systems.
S 864-010
(1)
Push and hold the ENG/APU/CARGO test switch on the FIRE/OVHT TEST panel.
