Engine Fire Detector Element Installation
Figure 401 (Sheet 2)
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A
757
MAINTENANCE MANUAL
A
QUICK-RELEASE
CLAMP
SEE B
7. LINER
A
SUPPORT
TUBE
1. DETECTOR
ELEMENT
RETAINING
NUT END
BRACKET
ELECTRICAL
CONNECTOR
LOCKWIRE
WASHER
(4 LOCATIONS)
FIRE DETECTOR
AIRPLANE
A WIRING
7. LINER 1. DETECTOR
(2 LOCATIONS) ELEMENT
(2 LOCATIONS)
A
ELECTRICAL
CONNECTOR B LOCKWIRE
QUICK-RELEASE
CLAMP
A-A
B
Engine Fire Detector Element Installation
Figure 401 (Sheet 3)
B17370
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MAINTENANCE MANUAL
OVERHEAT
DETECTOR
SEE A
1.0 INCH MAX (2 LOCATIONS)
1. DETECTOR ELEMENT
DETECTOR
RESPONDER
SEE C
2. SCREW
DETECTOR
RESPONDER
9. NUT
2
10. WASHER 2
8. CLAMP 6. BOLT 22
1
IS OPTIONAL TO 2
7. LINER
1. DETECTOR
(2 LOCATIONS) ELEMENT (2 LOCATIONS)
QUICK-RELEASE CLAMP
B
QUICK-RELEASE CLAMP
SEE B
ENGINE OVERHEAT DETECTOR A
3.
WASHER
4.
CLAMP
32 GAUGE SAFETY WIRE 1
1. DETECTOR
ELEMENT
RESPONDER
HEX FLAT
4. CLAMP
BRACKET
BOSS
3. WASHER
5. NUT
DETECTOR RESPONDER C
Engine Overheat Detector Element Installation
Figure 402
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757 MAINTENANCE MANUAL
(b)
11B23, FIRE DETECTION R ENGINE 2
(c)
11J27, FIRE DET ALTN PWR ENGINE RIGHT
S 044-004
WARNING: DO THE THRUST REVERSER DEACTIVATION PROCEDURE TO PREVENT THE
_______ OPERATION OF THE THRUST REVERSER. ACCIDENTAL OPERATION OF THE THRUST REVERSER CAN CAUSE INJURY TO PERSONS OR DAMAGE EQUIPMENT.
(3)
Do the deactivation procedure for the thrust reverser isolation valve for ground maintenance (AMM 78-31-00/201).
S 014-134
(4)
To access the detectors, do these steps.
(a) To access the forward fire detectors, open the fan cowl panels (AMM 71-11-04/201).
WARNING: FAILURE TO FOLLOW 78-31-00/201 CAN CAUSE INJURY TO PERSONS
_______ AND/OR DAMAGE TO THE FAN COWL AND FAN C-DUCT AND THRUST REVERSER.
(b) To access the aft detectors, open the fan C-duct and thrust reversers (AMM 78-31-00/201).
D. ENGINES WITH SYSTRON DONNER; Remove the Detector Elements
S 034-024
(1)
Remove the safety wire from the responder.
(2)
Disconnect the electrical connection and install a protective cap.
S 034-021
(3)
Remove the two bolts to remove the two clips on the detector responder.
S 034-022
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