| Service |
Indication |
Function |
| Fire warning |
2 red lights (45)
(46) |
Give warning when
temperature in engine
bay or jet pipe zone
exceeds 300 ± 30°C. |
| Hot gas warning |
1 amber light
(48) |
Gives warning when
temperature in zone 3
exceeds 300 ± 30°C. |
Reheat nozzle
position |
1 white magnetic
indicator (43) |
Indicates nozzle posi-
tion incorrect for
throttle setting. |
Air extraction
failure |
1 white magnetic
indicator (49) |
Indicates that air ex-
traction valve is in
wrong position relative
to selected under-
carriage position. |
Fuel balance
warning |
2 white magnetic
indicators (61) |
Give warning of "nose-
heavy" or "tail-heavy"
conditions when ener-
gized by out of trim
coil in balancer relay. |
Fuel pressure
warning |
1 white magnetic
indicator (59) |
Gives warning when
the fuel pressure falls
below a safe limit. |
Fuel flow failure
warning |
5 white magnetic
indicators (58) |
Each gives warning
that transfer is unsatis-
factory from its associ-
ated tank. |
Belly tank trans-
fer warning |
1 white magnetic
indicator (63) |
Indicates that fuel has
ceased to flow from the
drop tank. |
