(b)
11B21, FIRE DETECTION L ENGINE 2
S 865-020
(6)
Connect a jumper wire between the two terminals on each of these switches which are installed on the No. 1 strut upper spar.
(a)
S10194
(b)
S10198
(7)
Push the ECS MSG switch on the EICAS maintenance panel.
S 755-022
(8)
Make sure these indications occur:
(a)
The L ENG OVHT light on the pilots aft control stand, P8, comes on.
(b)
The EICAS message L ENG OVHT shows on the top display.
(c)
The EICAS messages L STRUT OH DET 1 and L STRUT OH DET 2 show on the bottom display.
(d)
The caution annunciation is heard.
(e)
The master CAUTION lights, on P7, come on.
S 865-021
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S 035-023
(9)
Remove the jumpers from the terminals.
S 755-024
(10)
Make sure the indications stop.
S 435-025
(11)
Connect a jumper wire between the two terminals on each of these switches installed on the No. 1 strut upper spar.
(a)
S10195
(b)
S10197
S 755-026
(12) Make sure these indications occur:
(a)
The L ENG OVHT light, on P8, comes on.
(b)
The EICAS message, L ENG OVHT, shows on the top display.
(c)
The EICAS messages L STRUT OH DET 1 and L STRUT OH DET 2 show on the bottom display.
(d)
The caution annunciation is heard.
(e)
The master CAUTION lights, on P7, come on.
S 035-027
(13)
Remove the jumpers from the terminals.
S 755-028
(14)
Make sure the indications stop.
S 435-030
(15)
Connect a jumper between the two terminals on each of these switches installed on the engine rear mount bulkhead of No. 1 strut.
(a)
S10196
(b)
S10199
S 755-031
(16)
Make sure these indications occur:
(a)
The L ENG OVHT light, on P8, comes on.
(b)
The EICAS message L ENG OVHT shows on the top display.
(c)
The EICAS messages L STRUT OH DET 1 and L STRUT OH DET 2 show on the bottom display.
(d)
The caution annunciation is heard.
(17)
Remove the jumpers from the terminals.
(18)
Make sure these indications stop:
S 865-034
(19)
Push and hold the ENG test switch on the pilots aft control stand, P8.
S 035-032
S 755-033
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757
MAINTENANCE MANUAL
S 865-065
(20) Make sure these indications occur:
(a)
The L ENG OVHT light comes on (on P8).
(b)
The EICAS message L ENG OVHT shows on the top display.
(c)
The EICAS messages L STRUT OH DET 1 and L STRUT OH DET 2 show on the bottom display.
(d)
The caution annunciation is heard.
(e)
The master CAUTION lights, on P7, come on.
S 755-035
(21)
Release the ENG test switch and make sure the indications stop.
S 865-036
(22)
Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11B20, FIRE DETECTION L ENGINE 1
(b)
11B21, FIRE DETECTION L ENGINE 2
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