曝光臺 注意防騙 網(wǎng)曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

pressure relief bypass valve allows oil to bypass the filter in the event of filter blockage and an
OIL FILTER message will be displayed on EICAS, indicating an impending bypass.
POWER PLANT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
18−10−5
ENGINE OIL SYSTEM (CONT'D)
The oil temperature bulbs provide oil temperature to the EEC. This data is used by the Heat
Management System and is also sent to EICAS. 115 OIL TEMP 1 1 5
Engine Oil Heat Management System
Oil cooling is achieved by the Fuel Cooled Oil Cooler (FCOC). The oil cooler dissipates the engine
oil system heat by exchanging heat between engine lubricating oil and low pressure fuel. It also
warms the low temperature fuel to prevent the formation of ice particles in the fuel entering the
Fuel Metering Unit (FMU).
GF1810_011
FUEL
FLOW TX
HP
FILTER
LP
PUMP FMU
LP
FILTER
ENGINE
GEARBOX
T T
HP OIL FEED
AIRPLANE
FUEL SUPPLY
TO
SCAVENGE TO FUEL
NOZZLES
TEMPERATURE
PROBE
FCOC HP
PUMP
POWER PLANT
Flight Crew Operating Manual Rev 2A, Apr 11, 2005
CSP 700−5000−6
Volume 2
18−10−6
ENGINE OIL SYSTEM (CONT'D)
Oil Replenishment System
Each engine oil tank capacity is 13.6 US qts (12.86 liters). Engine oil level is measured using a
sensor (oil probe) which is located in the engine oil tank and provides quantity information on the
STATUS display.
GF1810_012
ENGINE OIL TANK
ENGINE OIL TANK
OIL QTY (QTS)
ENG
APU
RES
10.4
4.5
5.0
10.4
An oil replenishment tank is located in the aft equipment bay and contains an electrical pump and
sensor probe for quantity level. The oil replenishment tank volume contains 6 US quarts (5.7
liters). The oil replenishment system is designed for ground use only and serves both main
engines and the APU.
The system can be operated using the battery or external electrical power. Oil level monitoring is
required during servicing the engine(s) to verify that the system stops when the full level is
reached. It is recommended to stop replenshment manually when gauge reads 11.0 quarts.
The oil filling system is operated through the oil replenishment panel located on bulkhead 280 (left
side behind the pilot’s seat) in the flight compartment. The panel will display all lights for a period
of three seconds when the panel is powered up.
Each engine may be replenished individually if:
· The engine has been shut down for a minimum of 15 minutes and to a maximun of 30
minutes.
· The engine to be replenished is not already full.
· The aircraft has Weight on Wheels (WOW).
· One of the other engines or APU is not currently being replenished.
POWER PLANT
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual
CSP 700−5000−6
Volume 2
18−10−7
ENGINE OIL SYSTEM (CONT'D)
Oil Replenishment Panel
GF1810_013
SYSTEM ON
Selecting the POWER switch to ON does
the following:
The SYSTEM ON lamp will come on.
A three second lamp test will be carried
out on all annunciators.
Provides power to all switches on the oil
replenishment panel.
TANK LO
The reservoir TANK
LO legend comes
on to indicate that
the reservoir is low
in quantity.
VLV OPEN RH (left engine similar)
Selecting the switch will illuminate the VLV
OPEN switch legend indicating valve operation.
Oil will be pumped from the reservoir (through
the valve) to the engine until full is achieved.
The VLV OPEN and LO OIL switch legends
will go out when the correct level is reached.
PUMP ON
Selecting the PUMP ON switch does the
following:
The reservoir pump will operate and the
PUMP ON lamp will come on to indicate
operation. The legend will remain on until
the correct level of the system to be
topped up is achieved.
LO OIL LH ENG (right engine similar)
The LO OIL comes on to indicate that the
engine is low in oil quantity and will remain
on until the engine oil tank is replenished.
OIL REPLENISHMENT
POWER
RESERVOIR LH ENG APU RH ENG
SYSTEM
ON
TANK
LO
PUMP
ON
LO
OIL
VLV
OPEN
LO
OIL
VLV
OPEN
LO
OIL
VLV
OPEN
Oil is to be added to the engine(s) when an OIL LO QTY message is displayed on EICAS and
when
LO
OIL is displayed on the oil replenishment panel with the replenishment system
　
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