.
TO – takeoff
.
CLB – climb
.
CRZ – cruise
.
G/A – go–around
.
CON – continuous
. – – – – FMC not computing thrust limit.
Copyright . The Boeing Company. See title page for details.
7.10.2 December 1, 2000
Engines, APU -Controls and Indicators
737 Operations Manual
N1 Indications
1 MAN SET
4
2 12 0 %RPM 12 0 5
10 2 10 2
3
8 4 8 4
6 N1 6 6
1 N1 Manual Set Indication
Set by N1 manual set knob.
Blank when manual set knob is pushed in.
2 N1 RPM Indication (green)
Displays N1 % RPM.
3 Reference N1 Bug (yellow)
With N1 manual set knob pushed in:
.
positioned by FMC
.
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.
4 Warning Light
Illuminated (red) –
.
indicates the N1 limit has been reached or exceeded
.
remains illuminated until N1 is reduced below the limit.
Note: Failure of an N1 input signal to the primary EIS panel will cause the affected display pointer and digital counter to slew to their lower stops and hold for two seconds. The pointer will then disappear and the counter will display dashes. An internal failure will cause the display(s) to simply blank.
Copyright . The Boeing Company. See title page for details.
December 1, 2000 7.10.3
Engines, APU -Controls and Indicators
737 Operations Manual
5 N1 Red Radial
Shows N1 % RPM operating limit.
6 N1 RPM Readout (digital)
Displays N1 % RPM.
N1 Manual Set Knob
60
PULL
15
TO SET
42
3
N1
1
1 N1 Manual Set Knob
Push in –
.
reference N1 bug 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 reference N1 bug to the corresponding location.
EGT Indications
3 1
°C
2
EGT
4
Exhaust Gas Temperature (EGT) Readout (digital)
Displays engine EGT in degrees C.
If flashing, indicates the abnormal start advisory system has sensed conditions which may lead to an abnormal engine start.
Copyright . The Boeing Company. See title page for details.
7.10.4 December 1, 2000
Engines, APU -Controls and Indicators 737 Operations Manual
Exhaust Gas Temperature (EGT) Indication (green)
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.
Exhaust Gas Temperature (EGT) Red Radial
Displays maximum takeoff EGT limit.
Note: Failure of an EGT input signal to the primary EIS panel will cause the affected display pointer and digital counter to slew to their lower stops and hold for two seconds. The pointer will then disappear and the counter will display dashes. An internal failure will cause the display(s) to simply blank.
N2 Indications
N2 Readout (digital)
Displays N2 % RPM.
N2 RPM Indication (green)
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.
Engines, APU -Controls and Indicators 737 Operations Manual
N2 Red Radial
Displays N2 % RPM operating limit.
Note: Failure of an N2 input signal to the primary EIS panel will cause the affected display pointer and digital counter to slew to their lower stops and hold for two seconds. The pointer will then disappear and the counter will display dashes. An internal failure will cause the display(s) to simply blank.
Fuel Flow/Fuel Used Indications
Fuel Flow/Fuel Used (FF/FU) Readout (digital)
Normally displays the present rate of fuel flow in pounds or kilograms per hour X
1000.
After the fuel used reset switch has been pushed, this readout displays current fuel
used for one second, decreases to zero, then displays fuel flow. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300机组操作手册Flight Crew Operations Manual FCOM 2(56)
