.
based on N1 limit page and takeoff reference page
.
displays active N1 limit for A/T operation. With N1 manual set knob pulled out:
.
displays crew selected N1 limit
.
has no effect on A/T operation.
3 N1 Manual Set Indication
Set by N1 manual set knob.
Blank when manual set knob is pushed in.
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December 1, 2000 7.10.13
Engines, APU -Controls and Indicators 737 Operations Manual
Warning Light
Illuminated (red) –
.
indicates the N1 limit has been reached or exceeded
.
remains illuminated until N1 is reduced below the limit.
N1 Manual Set Knob
Push in –
.
N1 cursor set by FMC based on N1 limit page and takeoff reference page
.
blanks N1 manual set indication.
Pull out –
.
disables FMC input signal
.
rotation sets desired N1 RPM in the N1 manual set indication and moves the N1 cursor to the corresponding location.
EGT Indications
Exhaust Gas Temperature (EGT) Indication
Displays engine EGT in degrees C.
Warning Light
Illuminated (red) –
.
indicates the EGT limit has been reached or exceeded
.
remains illuminated until EGT is reduced below the limit.
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7.10.14 December 1, 2000
Engines, APU -Controls and Indicators 737 Operations Manual
N2 Indications
N2 Indicator
Displays N2 % RPM.
Warning Light
Illuminated (red) –
.
indicates the N2 limit has been reached or exceeded
.
remains illuminated until N2 is reduced below the limit.
Fuel Flow/Fuel Used Indications
Fuel Flow Switch (spring–loaded to RATE position)
RESET –resets the fuel used display on both fuel flow indicators to zero.
Engines, APU -Controls and Indicators 737 Operations Manual
RATE – the digital display on both fuel flow indicators shows rate of fuel
consumption.
USED – the digital display on both fuel flow indicators shows total fuel consumed
since last reset.
Fuel Flow (RATE/USED) Digital Display
With the fuel flow switch in the RATE position, indicates rate of fuel flow in
pounds/kilograms per hour X 1000.
With the fuel flow switch held in the USED position, indicates the amount of fuel
used in pounds/kilograms since last reset.
With the fuel flow switch held in the RESET position, the fuel USED display
returns to zero
Fuel Flow Pointer
Indicates rate of fuel flow in pounds/kilograms per hour at all times.
Copyright . The Boeing Company. See title page for details.
7.10.16 June 6, 2003
Engines, APU -Controls and Indicators
Conventional Engine Instruments Secondary Panel
CENTER INSTRUMENT PANEL
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December 1, 2000 7.10.17
Engines, APU -Controls and Indicators 737 Operations Manual
Engine Oil Quantity Test Switch
Engine Oil Quantity Test (ENG OIL QTY TEST) Switch
Push – oil quantity indicators move toward zero.
Caution Lights
START VALVE OPEN
LOW OIL PRESSURE OIL FILTER BYPASS
START VALVE OPEN Light
Illuminated (amber) – related engine start valve is open and air is being supplied to the starter.
LOW OIL PRESSURE Light
Illuminated (amber) – related engine oil pressure is at or below the red radial.
OIL FILTER BYPASS Light
Illuminated (amber) – indicates an impending bypass of scavenge oil filter.
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