Hydraulic system

Question 1

How many hydraulic systems are there ?

Answer 1

2, BLUE and GREEN

Question 2

The systems are pressurized by an electric pump which is supplied with power by the …

Answer 2

ACW

!!! The blue system is also provided with and auxilliary pump, supplied by DC power (automatic or manual mode). !!!

Question 3

Total fluid volume: 9.6 l

Answer 3

9.6 l

Question 4

Normal filling:

Answer 4

9.35 l

Question 5

Minimum filling:

Answer 5

8.5 l

Question 6

Alert level:

Answer 6

2.5 l

Question 7

GREEN system provides:

Answer 7

• LANDING GEAR

- BRAKING NORMAL

Question 8

BLUE system provides:

Answer 8

• NOSE WHEEL STEERING
• FLAPS
• SPOILERS
• PROPELLER BRAKE
• BRAKING EMERGENCY AND PARKING

Question 9

BLUE PUMP

Answer 9

Supplied by ACW, controlled by DC EMER BUS

Question 10

GREEN PUMP

Answer 10

Supplied by ACW, controlled by DC BUS 2 or DC EMER BUS

Question 11

LO PRESS

Answer 11

pump delivery pressure less
than 1500 psi. CAP. No auto
off.

Question 12

LO LEVEL

Answer 12

associated compartment

Question 13

OVHT

Answer 13

drain > 121°C (250°F). CAP. (no

auto off).

Question 14

X FEED

Answer 14

Pb released Xfeed closed. if LO LVL

auto closes. (DC STBY BUS).

Question 15

Pressure indicator - Blue HYD SYST

Answer 15

Blue system hydraulic pressure indicator.

Question 16

Pressure indicator - BRAKE ACCU

Answer 16

by blue system. for emer brakes max 6 applications. (DC STBY)

Question 17

Pressure indicator - Green HYD SYST

Answer 17

Green system hydraulic pressure indicator.

Question 18

AUX PUMP pedestal switch …

Answer 18

– energizes for 30’’, the auxiliary DC hydraulic pump with the HOT MAIN BAT BUS
– supplies power to the pressure indicators

NOTE: intensive use could discharge the main battery.