(2)  
AMM 31-41-00/501, EICAS

 (3)  
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 Fuselage (RH Side)

 (2)  
Access Panels
 821 Forward Cargo Compartment Door
 822 Aft Cargo Compartment Door
 823 Bulk Cargo Compartment Door

 C.  Remove the Cargo Smoke Detector
 S 862-002
 (1)  Open these circuit breakers on the overhead circuit breaker panel, P11, and attach DO-NOT-CLOSE tags:
 (a) 11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
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 26-16-01
 ú  ALL  ú
 ú ú  ú 06.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 201Sep 28/02 

A 757 MAINTENANCE MANUAL 
SEE  A 
SEE  B  FWD
SEE  C 
SEE  D  FORWARD CARGO COMPARTMENT A 
FWD 
AFT CARGO COMPARTMENT B 
FWD  STRAP PLASTIC TUBE TIEDOWN  DETECTOR SEE PLASTIC TUBE (4 LOCATIONS) SCREW WASHER E 
SMOKE DETECTOR INSTALLATION FORWARD CARGO COMPARTMENT C 
Figure 201 (Sheet 1) Cargo Smoke Detector Installation 

A83734
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 ALL  ú ú 25 Page 202 ú Sep 20/92
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

 (b)  
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2

 (c)  
11J24, FIRE DET ALTN PWR CARGO

 (d)  
11S35, FIRE DET CARGO FAN CONT or CARGO SMOKE BLOWER CONT

 (e)  
11S36, FIRE DET CARGO FAN PWR or CARGO SMOKE BLOWER CONT

 S 012-060
 (2)  
Open applicable cargo doors (AMM 52-34-00/201).

 S 012-003

 (3)  
Get access to the smoke detector.

 S 032-004

 (4)  
Remove the electrical connector.

 S 032-005

 (5)  
Remove the two tiedown straps which hold the plastic tubes to the detector air ports.

 S 032-006

 (6)  
Remove the two plastic tubes from the air ports.

 S 032-007

 (7)  
Remove the four screws and washers.

 S 022-008

 (8)  
Remove the smoke detector.

 TASK 26-16-01-422-032
 3. Install the Cargo Smoke Detector (Fig. 201)
________________________________
 A. Reference
 (1)  
AMM 24-22-00/201, Electrical Power - Control

 (2)  
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 Fuselage (RH Side)

 (2)  
Access Panels
 821 Forward Cargo Compartment Door
 822 Aft Cargo Compartment Door
 823 Bulk Cargo Compartment Door

 C. Install Cargo Smoke Detector
 S 422-009
 (1)  Install the detector with the four screws and washers.
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 ALL  ú ú 17 Page 203 ú May 28/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
757 MAINTENANCE MANUAL
 S 432-010
 (2)  Install the plastic tubes to the detector air ports.
 NOTE: The tube should move along the air port approximately 0.7
　
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