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PROBE
N2
SPEED
PROBE
N2
SPEED
PROBE
N2
SPEED
PROBE
ENGINE
VIBRATION
MONITOR
UNIT
EEC
CHANNEL
A
EEC
CHANNEL
B
IOP
CHANNEL
A
IOP
CHANNEL
B
N2
FF (PPH)
OIL TEMP
OIL PRESS
93.4
5750
115
81
93.4
5750
115
81
POWER PLANT
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
18−10−24
ENGINE INDICATIONS (CONT'D)
N2 Indication
GF1810_035
N2 Readout
Displays the current
N2 value.
N2
FF (PPH)
OIL TEMP
OIL PRESS
93.4
5750
115
81
93.4
5750
115
81
SYNC Mode
Displays synchronized mode
as selected by the autothrottle
or manually through the FMS.
SYNC
N2
FF (PPH)
OIL TEMP
OIL PRESS
99.0
5750
115
81
N2
FF (PPH)
OIL TEMP
OIL PRESS
99.8
5750
115
81
N2 Amberline
If the N2 speed limit is exceeded
the N2 readout will turn amber. The
amberline range is 98.9% N2, or
greater.
N2 Redline
If the N2 speed exceeds the
amberline limits, the N2 readout will
turn red and will flash. The redline
range is 99.6% N2, or greater.
N2
FF (PPH)
OIL TEMP
OIL PRESS
75.8
3750
100
70
N2 Readout with
Wing Anti−Ice Active
If N2 RPM is < 76% N2
with WAI active (AUTO or ON)
the N2 readout will turn white.
If N2 RPM is > 76% N2 then
the N2 readout will turn green.
N2
FF (PPH)
OIL TEMP
OIL PRESS
77.0
3800
105
72
Fuel Flow
The fuel flow transmitters will send a signal of engine consumed fuel flow to the EEC. Fuel flow is
either displayed in pounds/hour (PPH) or kilograms/hour (KPH) depending on customer
specifications.
POWER PLANT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
18−10−25
ENGINE INDICATIONS (CONT'D)
Fuel Flow Indication
FF (PPH or (KPH) Readout
Displays the current fuel flow.
5700 FF (PPH) 5750
Oil Temperature
Oil cooling is achieved by the Fuel Cooled Oil Cooler (FCOC). The oil temperature bulbs provide
temperature to the EEC.
Oil Temperature Indication
GF1810_037
OIL TEMP Readout
Displays the current
oil temperature.
115 OIL TEMP 115
Low Temperature Redline
If the oil temperature is lower than − 30°C
the OIL TEMP will turn red and will flash.
High Temperature Redline
If the oil temperature exceeds 160°C the
OIL TEMP will turn red and will flash (engine
operating).
175 OIL TEMP
− 40 OIL TEMP
LOW Temperature Amberline
If the oil temperature is 20°C or less but higher
than − 30°C the OIL TEMP will turn amber.
10 OIL TEMP
Oil Pressure
The oil pressure transducer provides an indication of the pressure between the oil feed and
scavenge lines.
Oil Pressure Indication
GF1810_038
50% 35 psi 25 psi
72 .3% 35 psi 25 psi
90% 45 psi 35 psi
OIL PRESS Readout
Displays the current
oil pressure value.
Low Pressure Redline
If the oil pressure is 25 psi or lower, OIL PRESS
readout will turn red.
Low Pressure Amberline
The minimum low press amberline
is N2 dependent as follows:
Minimum Oil Pressure − N2 Dependent
N2 Ground Flight
seconds
10
time
delay
81 OIL PRESS 81
25 OIL PRESS
33 OIL PRESS
POWER PLANT
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
18−10−26
ENGINE VIBRATION MONITORING SYSTEM (EVMS)
The EVMS provides the crew with a means of continuously monitoring any imbalance of the rotating
assemblies, N1 and N2. the EVMS is a stand alone system, independent of FADEC.
The system comprises one airframe mounted Engine Vibration Monitoring Unit (EVMU) that
processes signals from dedicated N1 and N2 speed probes and vibration transducers. The EVMU
provides indication of engine vibration on EICAS.
GF1810_039
AIRFRAME
LEFT ENGINE RIGHT ENGINE
N2
SPEED
PROBE
VIBRATION
TRANSDUCER
N1
SPEED
PROBE
N2
SPEED
PROBE
VIBRATION
TRANSDUCER
N1
SPEED
PROBE
ENGINE VIBRATION
MONITORING UNIT
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