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C-2A > Hydraulics/Airframe > Flashcards

Hydraulics/Airframe Flashcards

(68 cards)

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1
Q

Hydraulic service

A

MIL-PRF-83282

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2
Q

Hydraulic characteristic

A 
Coolant
Incompressible
Non corrosive
Lubricant
Synthetic based
Hazardous
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3
Q

Combine hyd components

A 
Reservoir
Shutoff valve
Hyd pump
Pressure gauge
Check valve
Accumulator
Filter
Solenoid operated isolation valve
Relief valve
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4
Q

Combine hyd reservoir serviced to?

A

3.34 Gal

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5
Q

Caution light illuminates when fluid level goes below?

A

2/3 of the serviced capacity.

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6
Q

14th stage bleed air at?

A

40 psi

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7
Q

Hyd shutoff valve

A

In nacelle

Close by pulling T-handle will close all four.

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8
Q

Combine pumps

A

25 gal/min

3000psi

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9
Q

Hyd press gauges

A

26vac transformer bus no 1&2

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10
Q

Hyd accumulators combine and flight volume?

A

Combine 100 cubic inch

Flight 50 cubic inch

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11
Q

Accumulator features

A

Prevent hyd shock to system

Supplements pump outputs if output not sufficient.

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12
Q

Combine hyd accumulator nitrogen PRECHARGE?

A

2000 -/+ 100 psi

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13
Q

Filter purpose

A

Keeps impurities out of critical areas of system

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14
Q

Filter red button pops at ____ psi deferential

A

70 +- 10

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15
Q

How many total filters bypass and non bypass.

A

15 total
9 bypass
6 non bypass

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16
Q

Bypass filter ops

A

Allows bypass flow of clogged element.

Identify by a large hex nut safety wired to the side of the body.

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17
Q

Non bypass filter

A

Clogged element will block outflow filter

No large hex nut

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18
Q

Combine hyd subsystem?

A 
E gen
Windshields wiper
Nose-wheel steering
Brake (2200psi)
Landing gear
Flaps
Cat extend 
Wing fold/ jury strut 
Ramp
Tail hook (up)
Tail skid
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19
Q

Hydraulic filters location?

A 
2 in the nose (3,4)
3 near combine system
5 near flight system
1 starboard side (8)
2 tail (10,13)
1 each engine (1,2)
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20
Q

Before selecting tail hook down, position the hydraulic isolation valve to?

A

TO & LDG

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21
Q

Combine system relief valve ops
Open:
Full open:
Close below:

A

3400 psi
3785 psi
3100 psi

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22
Q

Flight reservoir serviced capacity to?

A

1.31 gal

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23
Q

Caution light illuminates when fluid goes below?

A

2/3

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24
Q

Flight pumps

A

7.5 GPM

3000 psi

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25
Flight system pressure gauge?
2000 +/- 100 psi
26
Flight system relive valve? Open: Fully open: Close below:
3400 psi 3785 psi 3100 psi
27
Actuator purpose
Turns fluid into mechanical action
28
4 type of actuator?
Single: fluid applied one side piston Double: either side piston Tandem: two double acting actuators joined together. Rotary: converts fluid energy into rotary motion.
29
____ ruder actuators with ____ series (flt hyd) actuator.
3 : 1
30
Flap handle
Four position handle 0,10,20,30 degree. Two extra, emergency up & down
31
Emergency flaps, electrical fail?
Use manual hydraulic override, with aft crew help.
32
Emergency flaps, hyd fail?
Use electric motor via E up & down position on flap handle.
33
Windshield wiper ops?
Max rate 325 beats / min
34
Wing fold/lock lever controls
With weight on wheels (WOW), 28 VDC signals selector valve to active wing fold actuator.
35
Wing-fold meshanism
Hyd wing actuator Hyd wing locks Mechanical safety latches Timer check valve
36
Warning flags
Wing spread-sequence-safe for flight.
37
Wing spread response is:
Spread, locked and free (ailerons) with wingtip and flush flag.
38
Jury struts
Near wing tips, actuator pops open a hook which attaches to pin on vertical stab with wings folded.
39
Wingfold/spread reqs
Flap must be at 20 degree Should not cycle hyd equip with wing fold actuation.
40
Whats required for wing-fold / spread manual override
Hyd power (Jenny)
41
Nosewheel steering
The nosewheel steering system improves the ground handling capabilities of the aircraft. Electrically engaged, hyd operated +/- 58 degree either side of centerline Centering cam centers gear when retracted.
42
The yaw damper?
Functions automatically to augment short period lateral damping.
43
Steering damper
Permit control of nose-wheel steering 58 degree to the left and right of the a/c centerline.
44
Landing gear safety lock
Prevent raising gear on deck Located on port side of center pedestal.
45
Wheel/flap indicator
Gear up and lock Barber poles, gear in transit Gear down and luck
46
Wheels warning light
Flap > 10 degree PLA below minimum cruise Gear not down and lock
47
Nosewheel it consists of?
a dual-wheel unit, a nosewheel steering mechanism, a catapult tow link, and a drag brace on a hydraulic shock strut.
48
The tailskid operates in conjunction with?
the main landing gear.
49
When is a SKID NOT DOWN indicator will | Appear on the caution lights panel?
If the tailskid remains up when the aircraft is in a landing configuration.
50
Where the tailskid selector valve is located?
on the right side of the fuselage forward | of the cargo ramp and can be manually operated to raise or lower the tailskid in the event of electric solenoid failure.
51
The emergency brake accumulator is precharged with nitrogen to?
800 psi at 70 F +/- 15 psi
52
A tow link mounted forward of the nose gear is used to?
guide | the aircraft to the shuttle from the lead-in track and to attach the aircraft to the shuttle.
53
A trail bar bellcrank aft of the nose gear strut attaches the aircraft to the catapult through a release element designed to fail at?
53,000 pounds of tension.
54
When is the TOW LINK caution light will come on and the approach lights will flash.
if the tow link is not in the intermediate position When the nosewheel is cocked past the 10 position with weight off the left main strut.
55
The main gear strut extender system is for what?
to provide sufficient clearance | between the aircraft tailskid and deck hardware during catapult launch.
56
the two extender pistons, increasing the length of each shock strut approximately?
8 inches.
57
What protect the aft fuselage during landing?
Tailskid
58
How are the two forward door main landing gear operated?
Hydraulically
59
How are the two aft doors MLG operated?
Mechanically connected to the shock strut
60
What type of brake the COD has?
A tri metallic, self adjusting, disk type hyd brake.
61
The L & R air/ground safety switches operate when the strut is?
1.0 in from fully extended position.
62
The left compression switch operates after the strut has compressed?
9-0 inches
63
Type of COD flap?
Fowler type
64
What driven the flaps?
Central gearbox hydraulic motor
65
What cause the cat extend caution light to come on during Taxi?
If the nosewheel has turned past 60 degrees
66
What kind landing gear does the C2 has?
Retractable tricycle landing gear
67
What is displayed in the wheel window, if a gear is not in the selected position?
Barber pole
68
What type landing gear does the C2 has?
Tri metallic, self adjusting, disk type brake.

C-2A (15 decks)

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