S 035-185
(7)
Disconnect the electrical connectors, D4404, from the forward cargo smoke detectors 2, M10459.
S 865-184
(8)
Remove the DO-NOT-CLOSE tags and close these circuit breakers, on the P11 panel, at the same time:
(a) 11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
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MAINTENANCE MANUAL
(b) 11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
S 755-183
(9) Make sure these indications occur:
(a)
The yellow FAIL P-RESET switchlight, on the control stand, P8, comes on.
(b)
The EICAS message FIRE/OVHT SYS shows on the top display.
(c)
The EICAS messages FWD CARGO DET 1 and FWD CARGO DET 2 show on the bottom display.
S 865-166
(10)
Push the FAIL P-RESET switchlight on the FIRE/OVHT TEST panel, M10445, on the pilots aft control, P8.
S 755-167
(11)
Make sure these indications occur:
(a)
The yellow FAIL P-RESET switchlight goes off.
(b)
The EICAS message FIRE/OVHT SYS does not show on the top display.
(c)
The EICAS messages FWD CARGO DET 1 and FWD CARGO DET 2 show on the bottom display.
S 865-168
(12) Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
S 435-169
(13)
Connect the electrical connector, D4402, to the detector, M10458.
S 435-170
(14)
Connect the electrical connector, D4404, to the detector, M10459.
S 035-171
(15)
Disconnect the electrical connectors D4406 from the aft cargo smoke detectors M10460. The aft cargo smoke detector assembly is located in the cargo compartment sidewall, forward of the No. 2 cargo door.
S 865-172
(16)
Remove the DO-NOT-CLOSE tags and close these circuit breakers, on the P11 panel, at the same time:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
S 755-173
(17) Make sure these indications occur:
(a) The EICAS messages FWD CARGO DET 1 and FWD CARGO DET 2 do not show on the bottom display.
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MAINTENANCE MANUAL
S 865-190
(18) Open these circuit breakers on the P11 panel and attach DO-NOT-CLOSE tags:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
S 035-189
(19)
Disconnect the electrical connectors D4408 from the aft cargo smoke detector 2, M10461.
S 865-188
(20)
Remove the DO-NOT-CLOSE tags and close these circuit breakers, on the P11 panel, at the same time:
(a)
11B26, FIRE DETECTION CARGO 1 or CARGO SMOKE DET 1
(b)
11B27, FIRE DETECTION CARGO 2 or CARGO SMOKE DET 2
S 755-187
(21) Make sure these indications occur:
(a)
The yellow FAIL P-RESET switchlight, on P8, comes on.
(b)
The EICAS message FIRE/OVHT SYS shows on the top display.
(c)
The EICAS messages AFT CARGO DET 1 and AFT CARGO DET 2 show on the bottom display.
(d)
The EICAS messages FWD CARGO DET 1 and FWD CARGO DET 2 do not show on the bottom display.
S 865-174
(22)
Push the FAIL P-RESET switchlight.
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