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• HYD EDP 1A (2A) ..................................................ABNORM 10−6
• HYD PUMP 1B .......................................................ABNORM 10−7
• HYD PUMP 2B .......................................................ABNORM 10−7
• HYD PUMP 3A (3B) ...............................................ABNORM 10−8
• HYD SOV 1 (2) .......................................................ABNORM 10−8
COMBINED FAILURES
• HYD 1 LO PRESS and HYD 2 LO PRESS ............ABNORM 10−9
• HYD 2 LO PRESS and HYD 3 LO PRESS ..........ABNORM 10−10
• HYD 1 LO PRESS and HYD 3 LO PRESS ..........ABNORM 10−12
ABNORM 10-1
REV 66, Feb 01/07
QUICK REFERENCE HANDBOOK
PSP 604-15
HYDRAULIC SYSTEM
MALFUNCTIONS
HYD 1 LO PRESS
HYD 1 LO PRESS
Hydraulic pressure is less than 1,800 psi.
(1) HYDRAULIC pump 1B ........................................................... ON
(2) Hydraulic pressure and fluid
quantity............................................................................CHECK
No. 1 quantity readout is less than 5%, or pressure is less than
1,800 psi, or pressure is rapidly decreasing:
Yes
(3) HYDRAULIC pump 1B ................................................. OFF
(4) Land at the nearest suitable airport.
(5) Inoperative systems (see
below) .................................................................... REVIEW
• Left and right ground spoilers inoperative.
NOTE
The engine-driven pump has been operating without
hydraulic fluid. Log length of time that engine-driven
pump has been running dry. Monitor fluid temperature
readouts.
(6) ANTI-SKID..................................................LEAVE ARMED
(7) GPWS/FLAP OVRD .................................................. OVRD
(8) Landing flaps .................................................................. 20°
(9) Approach speed ...................................................VREF + 14
minimum.
(10) Actual landing distance...................................... INCREASE
as applicable by factor given below:
WITHOUT THRUST
REVERSERS
WITH THRUST
REVERSERS
1.60 (60%) 1.55 (55%)
− END −
No
(3) HYDRAULIC pump 1B ...............................................LEAVE ON
(4) Hydraulic pressure and fluid
quantity........................................................................MONITOR
END
ABNORM 10-2
REV 66, Feb 01/07
QUICK REFERENCE HANDBOOK
PSP 604-15
HYDRAULIC SYSTEM
MALFUNCTIONS
HYD 2 LO PRESS
HYD 2 LO PRESS
Hydraulic pressure is less than 1,800 psi.
(1) HYDRAULIC pump 2B ........................................................... ON
(2) Hydraulic pressure and fluid
quantity............................................................................CHECK
No. 2 quantity readout is less than 5%, or pressure is less than
1,800 psi, or pressure is rapidly decreasing:
Yes
(3) HYDRAULIC pump 2B ................................................. OFF
(4) Land at the nearest suitable airport.
(5) Inoperative systems (see
below) .................................................................... REVIEW
• Outboard brakes inoperative (when system 2
accumulator pressure is depleted);
• Main landing gear down lock assist actuator
inoperative.
NOTE
The engine-driven pump has been operating without
hydraulic fluid. Log length of time that engine-driven
pump has been running dry. Monitor fluid temperature
readouts.
(6) ANTI-SKID..................................................LEAVE ARMED
(7) Actual landing distance...................................... INCREASE
as applicable by factor given below:
WITHOUT THRUST
REVERSERS
WITH THRUST
REVERSERS
1.70 (70%) 1.50 (50%)
NOTE
Maximize the use of reverse thrust.
− END −
No
(3) HYDRAULIC pump 2B ...............................................LEAVE ON
(4) Hydraulic pressure and fluid
quantity........................................................................MONITOR
END
ABNORM 10-3
REV 66, Feb 01/07
QUICK REFERENCE HANDBOOK
PSP 604-15
HYDRAULIC SYSTEM
MALFUNCTIONS
HYD 3 LO PRESS
HYD 3 LO PRESS
Hydraulic pressure is less than 1,800 psi.
(1) HYDRAULIC pump 3B ........................................................... ON
(2) Hydraulic pressure and fluid
quantity............................................................................CHECK
No. 3 quantity readout is less than 5%, or pressure is less than
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庞巴迪挑战者快速检查单Quick Reference Handbook(88)
