S 755-175
(23)
Make sure these indications occur:
(a)
The yellow FAIL P-RESET switchlight goes off.
(b)
The EICAS message FIRE/OVHT SYS does not show on the top display.
(c)
The EICAS messages AFT CARGO DET 1 and AFT CARGO DET 2 show on the bottom display.
S 865-176
(24)
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
(25)
Connect the electrical connector, D4406, to the detector, M10460.
(26)
Connect the electrical connector, D4408, to the detector, M10461.
S 035-177
S 035-178
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
S 865-179
(27) Remove the DO-NOT-CLOSE tags and close these circuit breakers, on the panel P11, at the same time:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
S 755-180
(28)
Make sure the EICAS messages AFT CARGO DET 1 and AFT CARGO DET 2 do not show on the bottom display.
S 865-087
(29)
Remove electrical power if is not necessary (AMM 24-22-00/201).
TASK 26-16-00-735-102
3. System Test - Smoke Detection Vacuum Test_________________________________________
A. Equipment
(1) Gage, Vacuum - Hand-held, 0-10 inches of water.
DWYER INSTRUMENTS INC., MICHIGAN CITY, INDIANA,
or equivalent.
B. References
(1)
AMM 24-22-00/201, Electrical Power - Control
(2)
AMM 31-41-00/501, Engine Indication and Crew Alerting System (EICAS)
(3)
AMM 31-51-00/501, Warning System
(4)
AMM 33-16-00/501, Master Dim and Test System
(5)
AMM 52-34-00/201, No. 1 and No. 2 Cargo Doors
C. Access
(1) Location Zones
121/122 Forward Cargo Compartment
153/154 Aft Cargo Compartment
211/212 Flight Compartment
D. Prepare for Test
S 865-089
(1)
Supply electrical power (AMM 24-22-00/201).
(2)
Open applicable cargo door (AMM 52-34-00/201).
S 755-090
(3)
Make sure these systems operate:
(a)
EICAS (AMM 31-41-00/501).
(b)
Warning System (AMM 31-51-00/501).
(c)
Master Dim and Test System (AMM 33-16-00/501).
S 015-214
S 755-091
(4) Make sure these circuit breakers on the overhead circuit breaker panel, P11, are closed:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
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ALL ú ú 08 Page 510 ú May 28/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
(c)
11S35, CARGO SMOKE BLOWER CONT or FIRE DET CARGO CONT
(d)
11S36, FIRE DET FAN PWR or CARGO SMK BLO
S 755-092
(5) Make sure these circuit breakers on the miscellaneous relay panel, P70, are closed:
(a)
70B10, SMOKE DET BLOWER 1
(b)
70B11, SMOKE DET BLOWER 2
(c)
70B12, SMOKE DET BLOWER 3
(d)
70B13, SMOKE DET BLOWER 4
S 015-215
(6) Open forward and aft cargo doors (AMM 52-34-00/201).
E. Smoke Detection Vacuum Test
S 865-094
(1)
Put the EICAS COMPUTER select switch (on P9) to the AUTO position.
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本文链接地址：757 AMM 飞机维护手册 防火 FIRE PROTECTION 1(80)
