Dash 1 - Hydraulic System

Question 1

How many hydro systems are there

Answer 1

4

Question 2

What is the psi of the hydro system

Answer 2

4000 PSI

Question 3

How many Hydraulic System Controllers are there

Answer 3

2

Question 4

An overpressure occurs at

Answer 4

4200 PSI

Question 5

The #1, 2, 3, 4 secondary pumps operate when in AUTO when primary pump falls below

Answer 5

3400 PSI

Question 6

The secondary pumps operate the system until the prim pump output pressure reaches

Answer 6

3850 PSI

Question 7

The AUX pumps are AC motor driven and activate if prim/sec/XFR pumps cant maint

Answer 7

3400 PSI

Question 8

AUX pump is off when parent system press is > ____, but stays on for ___

Answer 8

3850 PSI/20 seconds

Question 9

Aux pump is 5.6 GPM at

Answer 9

3850 PSI

Question 10

AUX pumps auto shutdown if pump temp is above

Answer 10

135 deg C

Question 11

AUX pumps auto shutdown if system quantity is below

Answer 11

0.4 Gal

Question 12

Which system has a separate AUX pump resivour sump for b/u cargo door/ramp ops

Answer 12

2

Question 13

The XFER pump permits transfer of press in either direction between systems

Answer 13

2 & 3

Question 14

XFER pump comes on automatically if system #2 or #3 press is

Answer 14

3400 PSI/1 sec

Question 15

The purpose of xfer pump is for ldg gear retraction or cargo door/ramp closing is __ engines lost

Answer 15

2 OR 3

Question 16

Which system powers the Cargo ADS Subsystem

Answer 16

2

Question 17

When on the gnd, loadmaster functions require use of which systems

Answer 17

2 & 3

Question 18

A caution appears on the WAP when temp exceeds

Answer 18

121 deg C

Question 19

The 8 pump HOT lights, MC, and HDY cue illuminate when case drain temps exceed

Answer 19

135 deg C

Question 20

What is the normal approx quantity of the #1, 2, & 4 systems

Answer 20

7 gal

Question 21

What is the normal approx quantity of the #3 system

Answer 21

11 gal

Question 22

Digital pressure displays system pressure to the nearest

Answer 22

50 PSI

Question 23

Pressure less than ___ is reported as zero

Answer 23

100 PSI

Question 24

How many systems are the primary flight controls powered by

Answer 24

2

Question 25

Do not attempt to takeoff with any hydraulic resv temp less than

Answer 25

7 deg C

Question 26

The AC Motor Pump Selector Valve allows LM to control which AUX pumps

Answer 26

2 & #3

Question 27

The electrical depress valves drepress the pumps reducing pressure to __ for lube/cooling

Answer 27

1100 PSI

Question 28

The RAT provides emergency pressure to which system

Answer 28

4

Question 29

How many seconds does it take for RAT to extend and provide pressure

Answer 29

5 sec

Question 30

The RAT will provide ___ PSI if airspeed is > ___

Answer 30

3700/130 kts

Question 31

Below ___ kts, the RAT may stall and result in loss of A/C contraol

Answer 31

130 kts

Question 32

Which 2 systems have gust dampening accumulators to dampen movement of flt controls

Answer 32

2 & #3

Question 33

The gust dampening accumulators will work for how long after shutting down sys 2 & 3

Answer 33

72 hrs

Question 34

The gust dampening accumulators are precharged to

Answer 34

1000 PSI +/- 250

Question 35

Which systems has a separate AUX pump reservour sump and selevtor valve

Answer 35

2

Question 36

Which systems operate the brakes and Anti-skid

Answer 36

2 & 3

Question 37

Which systems operate the NWS

Answer 37

2 & 3

Question 38

Which systems operate the flaps

Answer 38

1 & 4