(6)
Remove electrical power if it is not necessary (AMM 24-22-00).
S 865-042
TASK 26-22-00-735-162
4. System Test___________
A. Equipment
(1) Electrical Test Equipment - Bottle Squib, Fire
Extinguisher System - A26001-165
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NOTE: The A26001 test boxes do not include the test adapter cables.
____ The test adapter cables must be ordered separately. Refer to the A26001 drawing for the required cables.
(2)
Squib Protective Covers
M83723/60-18AN or AC
M83723/60-110-AN or AC
(3)
Voltmeter - 28 vdc
(4)
Resistor - 10 Kohm
(5)
MULTIMETER-0-1000VDC +/- 1%, 0-750 AC, 0-2
AMPS, 0-2 MEG OHMS
B. References
(1)
AMM 06-42-00/201, Empennage (Major Zone 300) Access Doors and Panels
(2)
AMM 20-41-01/201, Electrostatic Discharge Sensitive Devices
(3)
AMM 24-22-00/201 Electrical Power - Control
C. Access
(1)
Location Zones
211 Flight Compartment (Left)
212 Flight Compartment (Right)
315 APU Compartment (Left)
316 APU Compartment (Right)
(2)
Access Panels
313AL Control Bay Access Door
315AL APU Access Door
316AR APU Access Door
D. Prepare For Test
S 865-043
(1)
Supply electrical power (AMM 24-22-00).
S 865-237
(2)
Make sure that the following circuit breakers on the main power distribution panel, P6 are closed:
(a) 6G1, FIRE EXT APU
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(b) 6H1, FIRE EXTINGUISHING ENG BTL 1
(3) S 735-044At the Squib Test control panel, P61, push the APU squib test light.
(4) S 745-045Make sure the green APU squib test light comes on.
(5) S 865-047Open this circuit breaker on the main power distribution panel, P6, and attach a DO-NOT-CLOSE tag: (a) 6G1, FIRE EXT APU
S 015-163
WARNING: STAY OFF THE SERVICE ACCESS DOOR, 311AL, AND THE ACCESS DOOR
_______ FOR THE CONTROLS BAY, 313AL. YOUR WEIGHT CAN CAUSE THE SPRING-LOADED LATCHES TO RELEASE. IF YOU FALL THROUGH THE DOOR, INJURY CAN OCCUR.
(6) Open the controls bay access door, 313AL (Ref 06-42-00).
S 865-192
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.
(7)
Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
S 025-049
(8)
At the APU fire extinguisher bottle, disconnect the electrical connector from the bottle squib (Ref Table 501).
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APU FIRE BOTTLE CONNECTIONS TABLE 501
_____________________________________
~.............................................................................. | Connector | Bottle Connected To: | ................................................................................ | D2262 | Bottle 1 - APU Discharge Squib | 2............................….................................................1
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