(2)
Access
821 Forward Cargo Compartment Door
822 Aft Cargo Compartment Door
823 Bulk Cargo Compartment Door
D. Procedure
S 862-086
(1)
Supply electrical power (AMM 24-22-00/201).
S 862-002
(2)
Open these circuit breakers on the overhead circuit breaker panel, P11 and attach DO-NOT-CLOSE tags:
(a) 11S35, FIRE DET CARGO CONT or CARGO SMOKE BLOWER CONT
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FWD
SEE A
SEE C
SEE B
FORWARD CARGO COMPARTMENT
A
SEE C
FWD
AFT CARGO COMPARTMENT
B
SMOKE
PLATE DETECTOR PAN
FOAM RUBBER
FOAM RUBBER
PLENUM
FLAPPER VALVE
PRESSURE
SWITCH,
BLOWER MOUNT
S10332 NUTPLATE
PLENUM
FOAM RUBBER
PLASTIC TUBESCREW AND WASHER TIEDOWN STRAP
(2 LOCATIONS)
BLOWER AIR PORT
CARGO SMOKE DETECTOR BLOWER
SEE D FOAM
CARGO SMOKE RUBBERSCREW AND WASHER MOUNTING SCREWSDETECTOR
(2 LOCATIONS) BLOWER
GROMMET CONNECTOR ELECTRICAL
SEE D
CROSS SECTION BLOWER MOUNT (EXAMPLE) (EXAMPLE)
C D
Smoke Detector Blower Fan Isolation Flapper Valve
Figure 201
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(b) 11S36, FIRE DET FAN PWR or CAR SMK BLO
(3) S 012-089Open cargo door (AMM 52-34-00/201).
(4) S 032-003Disconnect the hose from the plenum pressure switch on the forward smoke detector.
(5) S 432-004Connect the hose to the vacuum gage which is calibrated in inches of water.
(6) S 862-006Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: (a) 11S36, FIRE DET FAN PWR or CAR SMK BLO
(7) S 782-007Make sure the vacuum gage shows a mininum of 8.0 inches of water.
(8) S 862-008Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel: (a) 11S35, FIRE DET CARGO CONT or CARGO SMOKE BLOWER CONT
(9) S 752-015GUN 004-999 AND AIRPLANES WITH SL 26-9A; After 60 to 90 seconds, make sure the SMOKE DETECTOR BLOWER 1 stops and SMOKE DETECTOR BLOWER starts to operate.
S 752-025
(10)
GUN 001-003 WITHOUT SL 26-9A; After 10 to 40 seconds, make sure that SMOKE DETECTOR BLOWER 1 stops and SMOKE DETECTOR BLOWER 2 starts.
S 782-027
(11)
Make sure the vacuum gage shows a minimum of 8.0 inches of water.
S 702-028
(12)
If the vacuum gage does not show 8.0 inches of water, do the Check Flapper Valve procedure.
S 032-029
(13)
Disconnect the vacuum gage.
S 432-030
(14)
Connect the hose to the plenum pressure switch of the forward smoke detector.
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S 862-031
(15) Open and then close these circuit breakers on the P11 panel to set the smoke detector blower system:
(a) 11S35, FIRE DET CARGO CONT or CARGO SMOKE BLOWER CONT
S 702-032
(16)
Do the test again repeat test for the Aft cargo smoke detection system for blowers 3 and 4.
S 022-090
(17) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 防火 FIRE PROTECTION 1(93)
