POWERPLANT
Volume 2
Flight Crew Operating Manual
Sep 13/2004
18-01-22
CSP 100-6
REV 1
VIBRATION MONITORING SYSTEM
DESCRIPTION
The vibration sensor is a self-generating velocity pickup design that outputs a voltage signal proportional to velocity. The
signal is shared by both ECUs and annunciated in the cockpit.
COMPONENTS AND OPERATION
VIBRATION MONITORING SYSTEM
The powerplant fan assembly is continuously monitored for vibration. There is a vibration pickup on each engine, to pro-
vide feedback to the aircrew which engine is producing high vibration levels. It is also used by maintenance personnel for
ground based fan trim balancing. A L (R) ENGINE VIBRATION (C) CAS message is illuminated and a VIB icon is dis-
played on the MFD. If there is a loss of vibration signals from the affected engine(s), a L (R) ENGINE VIB FAIL (A) is
displayed as a CAS message.
CF
O
1801002
_007
ENGINE CONTROL
UNIT
N1
SPEED
PROBE
N2
SPEED
PROBE
VIBRATION
TRANSDUCER
RIGHT ENGINE
AIRFRAME
LEFT ENGINE
N1
SPEED
PROBE
N2
SPEED
PROBE
VIBRATION
TRANSDUCER
STANDARD WIRING
LOW NOISE CABLE
EICAS
Содержание BD-100-1A10
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