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NLG UPLOCK
MLG RUNAROUND
REV 1
LANDING GEAR
Volume 2 Flight Crew Operating Manual Sep 13/2004
15-01-20 CSP 100-6 REV 1
CONTROLS AND INDICATIONS (Cont)
LANDING GEAR (DOWN)
CFO1501002_032
HYDRAULIC PRESSURE (P)
HYDRAULIC RETURN (R)
HYDRAULIC BYPASS
MECHANICALLY CONNECTED CABLES
LEGEND
TAWS WARN
NWS
LANDING GEAR
GS FLAPS TERRAIN
DOWN
VLO 250 VLE 250
OFF OFF OFF
OFF
PARK/EMER
BRAKE
PARK/EMER
BRAKE
NLG DRAG
BRACE
UNLOCK
NLG
RETRACTION
ACTUATOR
SEQUENCING
CANISTER
RESTRICTOR
UP
GEAR
UP
DOWN LOCK UNLOCK LOCK UNLOCK
LOCK UNLOCK
GEAR
DOWN
DOWN UP
GEAR
DOWN
DOWN UP
RH MLG
UPLOCK
RH SIDE
BRACE
ACTUATOR
LH MLG
UPLOCK
LH SIDE
BRACE
ACTUATOR
R P
AND DUMP VALVE
PSEU
LANDING GEAR
CONTROL HANDLE
LANDING GEAR
SELECTOR VALVE
P
P
R
R
R
P
P R
DOWN
UP
P
HYDRAULIC
SYSTEM
(EDP & DCMP)
LEFT
HYDRAULIC
SYSTEM
(PTU)
LEFT
HYDRAULIC
SYSTEM
RIGHT
MANUAL
RELEASE
SYSTEM
MECHANICAL
LINK
DUMP
VALVE
GEAR
DOWN
GEAR
DOWN
AUXILIARY
EXTEND
ACTUATOR (LH)
AUXILIARY
EXTEND
ACTUATOR (RH)
NLG UPLOCK
SEL A UP SEL B DOWN
MLG RUNAROUND DOWN UP
REV 1
LANDING GEAR
Sep 13/2004 Flight Crew Operating Manual Volume 2
REV 1 CSP 100-6 15-01-21
CONTROLS AND INDICATIONS (Cont)
NWS SWITCH
NOSEWHEEL STEERING TILLER
LANDING GEAR INDICATION
In flight, landing gear position indication is provided on the EICAS.
OFF
NWS
CFO1501002_025
STAB AIL
LWD RWD
NU
6.6
TRIM
CAB ALT
CAB RATE
7300
1000
ND
FLAPS 0 GEAR
SPOILERS
STAB AIL
LWD RWD
NU
6.6
TRIM
CAB ALT
CAB RATE
7300
1000
L R
ND
FLAPS 0 GEAR
SPOILERS
CFO1501002_006
GEAR
UP
GEAR
DOWN
DN
DN
DN UP
UP
UP
RUD
L R
RUD
REV 1
LANDING GEAR
Volume 2 Flight Crew Operating Manual Sep 14/2005
15-01-22 CSP 100-6 REV 4
EICAS MESSAGES
The landing gear system messages are shown on the EICAS. In the table below, the landing gear system messages, inhibits
and aural warnings are listed. A brief explanation of each message is provided.
MESSAGE INHIBITS MEANING
AURAL
WARNING
GEAR
The GEAR CAS will be accompanied by a
gear icon on the MFD for each gear that is not
down and locked
“Gear”
GEAR BAY OVHT TO/LAND
An overheat condition has been detected in
the main landing gear bays
NORM BRAKES FAIL TO
The NORM BRAKES FAIL CAS indicates that
all normal brakes have failed.
“Normal brakes
fail”
BRAKE FAULT TO
One or both pairs (inboard and/or outboard) of
the brake pressure transducers has failed
CPLT BRAKE FAULT TO
One or more of the copilot’s brake pedal sensors
(LVDTs) has failed
GEAR DISAGREE
This indicates that the landing gear position
and the LANDING GEAR switch position do
not match after the 28 second delay
GEAR SYS FAIL TO
This indicates a complete failure of the gear
control or the loss of the ARINC 429 signal
from both channels. There is a potential for the
loss of gear, door and/or spoiler indications
L (R) INBD BRAKE
FAIL TO
The respective (left or right but not both)
inboard normal system brake has failed
INBD BRAKE PRESS
LO TO
The INBD brake accumulator pressure is less
than 1400 psi
INBD BRAKES FAIL TO Both inboard normal system brakes failed
NOSE GEAR DOOR TO/LAND
The nose gear doors are not closed and the
nose gear is up
NWS FAIL
The nose wheel steering system has failed. In
the event the nose wheel steering system malfunctions,
internal monitors should disconnect
the system allowing the nose wheels to castor
NWS LIMIT
EXCEEDED
The nose wheel steering turning limit has been
exceeded. There may be damage to the NLG
feedback link
L (R) OUTBD BRAKE
FAIL TO
The respective (left or right but not both) outboard
normal system brake has failed
4
LANDING GEAR
May 06/2005 Flight Crew Operating Manual Volume 2
REV 2 CSP 100-6 15-01-23
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
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Bombardier_Challenger_Global_00-Landing_Gear(9)
