757
FAULT ISOLATION/MAINT MANUAL
LOWER CARGO COMPARTMENT SMOKE DETECTION SYSTEM
YQQS03 ON GUN 206,501
Lower Cargo Compartment Smoke Detection System - Component Index Figure 101
D00542
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A
757
FAULT ISOLATION/MAINT MANUAL
FORWARD CARGO COMPARTMENT
ACCESS DOOR, 821
MAIN EQUIPMENT CENTER ACCESS DOOR, 119BL
FIRE DETECTION CARD FILE, P54 (REF)
AFT CARGO COMPARTMENT
ACCESS DOOR, 822
P70 PANEL
MAIN EQUIPMENT CENTER ACCESS DOOR, 119BL
FORWARD CARGO COMPARTMENT ACCESS DOOR, 821
P5 PANEL DIODES, R203,R204 (BEHIND P5 PANEL) P11 PANEL
FAIL LIGHT
ENG/APU/CARGO RESET SWITCH, FIRE/OVHT
SWITCH, YQQS001 YQQS003 TEST PANEL, M10445 (REF) FIRE/OVHT TEST
P8 PANEL
SEE A
WHL ENG/APU SYS FAIL
FLIGHT COMPARTMENT WELL ENG CARGO
FAIL
P-RESETA
FIRE/OVHT TEST PANEL, M10445 (REF)
A
Lower Cargo Compartment Smoke Detection System - Component Location
Figure 102 (Sheet 1)
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A
757
FAULT ISOLATION/MAINT MANUAL
PLENUM PRESSURE SWITCH, S10332 FWD
AFT CARGO COMPARTMENT SMOKE DETECTORS
C
BLOWERS, M10462, M10463 DETECTORS, M10460, M10461
PLENUM
BLOWERS, M10464, M10465
PLENUM CARGO
DOOR,
821
FORWARD CARGO COMPARTMENT SMOKE DETECTORS
FWD SEE B AFT CARGO COMPARTMENT
FORWARD CARGO COMPARTMENT
SMOKE DETECTORS
SEE C
CARGO
FWD DOOR, 822
AFT CARGO COMPARTMENT
PLENUM PRESSURE SWITCH, S10333 DETECTORS, M10458, M10459
FWD
FORWARD CARGO COMPARTMENT SMOKE DETECTORS
B
Lower Cargo Compartment Smoke Detection System - Component Location
Figure 102 (Sheet 2)
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A
757 MAINTENANCE MANUAL
LOWER CARGO COMPARTMENT SMOKE DETECTION SYSTEM - ADJUSTMENT/TEST
________________________________________________________________
1. General_______
A. This section contains procedures to perform an operational test and a system test of the lower cargo compartment smoke detection system.
(1)
The operational test will make sure correct operation of the system will occur in a minimum of time. Use only equipment installed in the plane.
(2)
The system test will make sure correct operation of the system will occur in a minimum of time. Equipment installed in the airplane and external test equipment will be used.
TASK 26-16-00-715-001
2. Operational Test - Lower Cargo Compartment Smoke Detection System_________________________________________________________________
A. 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
B. Access
(1)
Location Zones
121/122 Forward Cargo Compartment
153/154 Aft Cargo Compartment
211/212 Flight Compartment
820 Lower Half of Fusleage
(2)
Access
821 No. 1 Cargo Compartment Door
822 No. 2 Cargo Compartment Door
