(b)
L TURB OH DET 1
(c)
L TURB OH DET 2
E. Do a Test of the Right Engine
S 035-048
(1)
Disconnect one wire from each of the switches, S10140 and S10139, for the turbine overheat detection on the right engine.
S 865-049
(2)
Close these two circuit breakers on the P11 panel:
(a)
11B22, FIRE DETECTION R ENGINE 1
(b)
11B23, FIRE DETECTION R ENGINE 2
S 755-032
(3) Make sure these indications occur in less than 2 to 6 seconds:
(a)
The R engine fire warning light, on the engine fire switch, comes on.
(b)
The red master FIRE light (P1-3) comes on.
(c)
The red master WARNING lights (2), on the glare-shield panel, P7, come on.
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(d)
The R switch-light for the engine fuel control (P10) comes on.
(e)
The fire bell is heard.
S 755-033
(4) Make sure this EICAS message shows on the top display:
(a) R ENGINE FIRE
S 755-034
(5) Make sure these EICAS messages show on the bottom display:
(a)
R TURB OH DET 1
(b)
R TURB OH DET 2
S 865-047
(6) Open these circuit breakers on the P11 panel:
(a)
11B22, FIRE DETECTION R ENGINE 1
(b)
11B23, FIRE DETECTION R ENGINE 2
S 435-035
(7)
Connect the wires which were disconnected on each of the switches, S10140 and S10139, for the turbine overheat detection on the right engine.
S 865-036
(8)
Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P11 panel:
(a)
11B22, FIRE DETECTION R ENGINE 1
(b)
11B23, FIRE DETECTION R ENGINE 2
S 865-037
(9)
Push the ECS MSG switch on the EICAS maintenance panel (P61).
S 865-038
(10)
Push and hold the ENG test switch on the FIRE/OVHT TEST panel (P8).
(a) Make sure these indications occur: 1) The R engine fire warning light, on the engine fire switch,
comes on. 2) The red master FIRE light (P1-3) comes on. 3) The red Master warning lights (P7) come on. 4) The R switch-light, on the engine fuel control, comes on. 5) The fire bell is heard.
S 755-039
(11) Make sure this EICAS message shows on the top display:
(a) R ENGINE FIRE
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S 755-040
(12) Make sure these EICAS messages show on the bottom display:
(a)
R TURB OH DET 1
(b)
R TURB OH DET 2
S 865-041
(13) Release the ENG test switch on the FIRE/OVHT TEST panel (P8).
(a)
Make sure these indications occur:
(b)
The R engine fire warning light, on the engine fire switch, goes off.
(c)
The red master FIRE light goes off.
(d)
The red master WARNING lights (P7) go off.
(e)
The R switch-light for the engine fuel control goes out.
(f)
The fire bell stops.
S 755-043
(14) Make sure these EICAS messages do not show:
(a)
R ENGINE FIRE
(b)
R TURB OH DET 1
(c)
R TURB OH DET 2
F. Put the Airplane back to its Usual Condition
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