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MAINTENANCE MANUAL
NOTE: The A26001 test box does not include the test adapter cables.
____ The test adapter cables must be ordered separately. Refer to the A26001 drawing for the required cables.
(2)
Voltmeter - with a 10k ohm or greater
resistance
(3)
Squib Protective Covers
M83723/60-208-AN or -AC
M83723/60-210-AN or -AC
M83723/60-110-AN or -AC
(4)
Multimeter-0-1000 VDC +/- 1%, 0-750 AC, 0-2
AMPS, 0-2 MEG OHMS - (commercially available)
B. References
(1)
AMM 24-22-00/201 Electrical Power - Control
(2)
AMM 20-41-01/201, Electrostatic discharge Sensitive Devices
(3)
AMM 31-41-00/501, EICAS
C. Access
(1)
Location Zones
153 Aft Cargo Compartment (Left)
154 Aft Cargo Compartment (Right)
(2)
Access Panels
822 Aft Cargo Compartment Door
D. Prepare For Test
S 865-433
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.
(1)
Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
(2)
Supply electrical power (AMM 24-22-00/201).
S 865-030
(3)
Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:
(a)
6H1, FIRE EXTINGUISHING ENG L BTL 1
(b)
6H5, FIRE EXTINGUISHING CARGO BTL 1
(c)
6H6, FIRE EXTINGUISHING CARGO BTL 2.
S 865-029
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S 865-411
(4) Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
(a)
11J2, INSTRUMENTS EICAS CMPTR LEFT
(b)
11J29, INSTRUMENTS EICAS CMPTR RIGHT
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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S 035-031
(5) In the lower cargo compartment, disconnect each electrical connector
in Table 501 from the discharge squib shown. ~.............................................................................. | TABLE 501 | | CARGO FIRE BOTTLE CONNECTIONS | ................................................................................ | Connector | Bottle Connected to: | ................................................................................ | D4412 | Bottle 1 - Fwd Cargo Discharge Squib | ................................................................................ | D4414 | Bottle 1 - Aft Cargo Discharge Squib | ................................................................................ | D4418 | Bottle 2 - Fwd Cargo Discharge Squib | ................................................................................ | D4420 | Bottle 2 - Aft Cargo Discharge Squib | 2.............…................................................................1
S 435-405
WARNING:_______ PUT THE PROTECTIVE COVERS ON THE FIRE BOTTLE SQUIBS. IF YOU DO
NOT PUT THE PROTECTIVE COVERS ON THE FIRE BOTTLE SQUIBS, THE
FIRE BOTTLES CAN RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY
TO PERSONS.
CAUTION:_______ DO NOT PUT SHUNT PLUGS ON THE FIRE BOTTLE SQUIBS. THE SHUNT
PLUGS CAN CAUSE DAMAGE TO THE SQUIB PINS.
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