S 865-045
(11) Release the TEST switch.
(a) Make sure the L ENG 1 and R ENG 1 squib test lights go off.
S 865-047
(12) Make sure this circuit breaker on the P6 panel is open:
(a) 6H2, FIRE EXTINGUISHING ENG L BTL 2
S 425-048
(13)
Do the Squib Electrical Connection procedure to connect the electrical connector, D2268, to the left squib of bottle 2.
S 865-049
(14)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a) 6H2, FIRE EXTINGUISHING ENG L BTL 2
S 865-050
(15) On the SQUIB TEST Control Panel, P61, push and hold the TEST switch.
(a)
Make sure the green L ENG 1, R ENG 1, and L ENG 2 squib test lights on the SQUIB TEST Control Panel, P61, come on.
(b)
Make sure the R ENG 2 squib test light stays off.
S 865-054
(16) Release the TEST switch.
(a) Make sure the L ENG 1, R ENG 1, and L ENG 2 squib test lights go off.
S 865-060
(17) Make sure this circuit breaker on the P6 panel is open:
(a) 6H4, FIRE EXTINGUISHING ENG R BTL 2
S 425-061
(18) Do the Squib Electrical Connection procedure to connect the electrical connector, D2266, to the right squib of bottle 2.
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S 865-062
(19) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P6 panel:
(a) 6H4, FIRE EXTINGUISHING ENG R BTL 2
S 865-063
(20) On the SQUIB TEST Control Panel, P61, push and hold the TEST switch.
(a) Make sure the green L ENG (1 and 2) and R ENG (1 and 2) squib test lights on the SQUIB TEST Control Panel, P61, come on.
S 865-067
(21) Release the TEST switch.
(a) Make sure that all the squib test lights go off.
S 715-221
(22) Do the Operational Test.
I. Put the airplane back to its usual condition.
S 865-138
(1) Remove electrical power if it is not necessary (Ref 24-22-00).
TASK 26-21-00-725-202
4. Fire Extinguisher Discharge Lines System Test
_____________________________________________
A. General
(1) The engine fire extinguishing system has two identical fire bottles located in the forward of the aft cargo compartment, an engine fire control panel, and a squib test panel. The extinguishing plumbing is connected to the left and right engine, which lets each engine receive extinguishing agent from either bottle. Each engine has an independently operated fire extinguishing system.
WARNING: DO NOT TOUCH THE SQUIB BEFORE YOU DO THE PROCEDURES FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE THE FIRE BOTTLE TO RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
B. Equipment
(1)
Pneumatic Air Source (capable of supplying 40
psig minimum dry air)
(2)
Test Equipment - Engine Fire Extinguisher System - B26003-3
(3)
Gage 0-200 psig (certified) with minimum 1 psig
increments and .25% accuracy (commercially
available)
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C. References
(1) AMM 20-41-01/201, Electrostatic Discharge Sensitive Devices
D. Access
(1)
Location Zones
153 Aft Cargo Compartment (Left)
154 Aft Cargo Compartment (Right)
(2)
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本文链接地址：757 AMM 飞机维护手册 防火 FIRE PROTECTION 2(17)
