E8 L3 Hydraulics Gauge

Question 1

Hydraulic system driven by two electric pumps

Answer 1

Auxiliary system

Question 2

Hydraulic fluid specification

Answer 2

Skydrol LD-4

Question 3

Bleed air pressure on utility system

Answer 3

40-45 psi

Question 4

Items powered by utility hydraulic system

Answer 4

Flaps
Landing gear
Alternate A/R
Ground leveling cylinder
Nosewheel steering
Outboard spoilers
Brakes

Question 5

Items powered by auxiliary hydraulic system pump 1

Answer 5

Rudder boost
Inboard spoinlers
Primary A/R

Question 6

items powered by auxiliary system hydraulic pump 2

Answer 6

Rudder boost

Question 7

Auxiliary system can power _____ through interconnect system

Answer 7

Brakes

Question 8

Utility reservoir capacity

Answer 8

6.9 gal

Question 9

Fluid indicated at top of “bullseye”

Answer 9

5.0 gal

Question 10

Fluid required to replenish auxiliary hydraulic system

Answer 10

3.2 gal

Question 11

Hydraulic expansion tank capacity

Answer 11

2.1 gal

Question 12

Auxiliary reservoir capacity

Answer 12

1.25 gal (each)

Question 13

How many accumulators in the auxiliary hydraulic system?

Answer 13

2

Question 14

Precharge pressure of auxiliary hydraulic system

Answer 14

2000 psi

Question 15

How many accumulators in the utility system?

Answer 15

1

Question 16

Precharge pressure of utility system

Answer 16

2000 psi

Question 17

DC auxiliary pump serves the _____ hydraulic system

Answer 17

Auxiliary

Question 18

DC auxiliary pump serves what items?

Answer 18

Main cargo door control switch

Charging main wheel brake system accumulator

Question 19

Utility system gage low red zone

Answer 19

0-2000 psi

Question 20

Utility system gage low caution (yellow)

Answer 20

2000-2400 psi

Question 21

Utility system gage normal pressure (green)

Answer 21

2400-3100 psi

Question 22

Utility system gage high caution (yellow)

Answer 22

3100-3500 psi

Question 23

Utility system gage high red zone

Answer 23

3500-4000 psi

Question 24

Normal utility system psi with no load

Answer 24

2850-3150 psi

Question 25

Brake pressure gage low red zone

Answer 25

0-750 psi

Question 26

Brake pressure gage low caution zone

Answer 26

750-3100 psi

Question 27

Brake pressure gage normal zone

Answer 27

3100-3500 psi

Question 28

Brake pressure gage high red zone

Answer 28

3500-4000 psi

Question 29

Rudder pressure gage low red zone

Answer 29

0-2000 psi

Question 30

Rudder pressure gage normal zone

Answer 30

2000-3100 psi

Question 31

Rudder pressure gage high caution zone

Answer 31

3100-3500 psi

Question 32

Rudder pressure gage high red zone

Answer 32

3500-4000 psi

Question 33

Utility and auxiliary hydraulic system LOW PRESS lights illuminate at...

Answer 33

1100 psi

Question 34

Utility and auxiliary hydraulic system LOW PRESS lights extinguish at...

Answer 34

1200 psi

Question 35

Maximum hydraulic system pressure

Answer 35

3500 psi

Question 36

Interconnect to OFF, #1 and/or #2 (Aux system)

Answer 36

2750-3150 psi

Question 37

Interconnect to SYSTEM with no system load #1 pump ON, #2 pump OFF

Answer 37

2200-1400 psi (write-up)

Question 38

Utility fluid shutoff switches and/or fire switch pulled (engine running)

Answer 38

No more than 5 minutes

Question 39

Hydraulic system driven by engines 2 and 3

Answer 39

Utility system