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Navy Airframes > -17 Ch 2 Hydraulics Introduction > Flashcards

-17 Ch 2 Hydraulics Introduction Flashcards

1
Q

What are the types of symbols commonly used in drawing circuit diagrams for fluid power systems?

A

Pictorial, Cutaway, and Graphic

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2
Q

The symbols used to depict system configurations are used from?

A

SAE AS1290 and USA Standard Graphic Symbols for Fluid Power Diagrams (USAS Y32.10-1967) and publisher American Society of Mechanical Engineers United Engineering Center

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3
Q

-17 manual is used for maintenance instructions related to hydraulic systems utilizing what kinds of hydraulic fluids?

A

MIL-PRF-5606, MIL-PRF-83282, MIL-PRF-87257

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4
Q

A service operation in which entrapped air is allowed to escape from the closed hydraulic system.

A

Air Bleeding

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5
Q

A device used to prevent pressure and friction from extruding the O-Ring packing through the clearance gap of a seal.

A

Backup Ring

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6
Q

A localized gaseous condition within a liquid stream which occurs where the pressure is reduced to the vapor pressure

A

Cavitation

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7
Q

A level of contamination which exceeds Class 6 of Navy Standard or SAE AS4059 Class 9 and is considered abnormally high as a result of amount or size of the contaminants present.

A

Contamination, Gross

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8
Q

To removed free, entrained, or dissolved gas from a fluid filled system.

A

De-aerate

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9
Q

An enclosed workspace, room, or facility in which humidity and filtered inlet air are controlled.

A

Controlled Environment Work Center

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10
Q

A filter element which is intended to be discarded and replaced after one service cycle

A

Disposable Filter (Throw Away)

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11
Q

A decontamination process in which original aircraft fluid is removed to the maximum extent practical, and then discarded. The draining operation is generally, but not necessarily, performed with the system connected to a clean external hydraulic power source and new replacement fluid is added as required.

A

Flushing

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12
Q

The component of the seal which forms the cavity or inclusion which surrounds and supports the packing and controls the squeeze.

A

Gland

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13
Q

Halogen

A

Any of the 5 chemical elements; fluorine, chlorine, bromine, iodine, astatine

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14
Q

HEPA Filter

A

High Efficiency Particulate Air Filter. An efficient filter usually constructed from the fine fiber pleated papers, intended for the removal of particulate matter from air. Widely used in clean rooms and clean work stations.

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15
Q

Differential Pressure Indicator

A

An indicator which signals the difference in pressure at two points. A feature often included in filter assemblies to monitor the pressure drop across the filter element and thereby indicate element losing and the need for replacement.

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16
Q

K-B (kauri- Butanol)

A

A test method to measure solvent effectiveness

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17
Q

Laminar Flow

A

A flow situation in which fluid (or gas) moves in parallel layers

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18
Q

Laminar Flow Work Station

A

A contamination contrólele workbench used to ensure a high degree of cleanliness about a component.

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19
Q

Loaded Filter (clogged)

A

A filter element that has collected a quantity of contaminants such that it can no longer pass fluid at rated flow without excessive differential pressure or by-pass.

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20
Q

Manifold

A

An assembly which serves as a fluid conductor having multiple connection ports

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21
Q

Micron

A

Unit of measurement one millionth of a meter long, or approximately 0.00003937 inch expressed in English units.

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22
Q

NAVAIR, Naval Air Systems Command

A

The Navy headquarters activity having overall responsibility for the acquisition and support of aeronautical weapons systems and related material.

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23
Q

Oxidation Inhibitor

A

An additive to the base fluid intended to minimize fluid oxidation and the generation of oxidation byproducts.

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24
Q

Packing

A

The component of a seal which serves as a sealing medium by nature of its plastic or elastic properties, or it’s ability to deform into the shape of the gland.

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25
Q

Particulate Contamination Standards

A

Standard used to quantitatively grade levels of particulate contamination. The Navy standard defines seven class levels of particulates (0-6) and the SAE AS4059 standard defines fourteen class levels of particles in 100 ml of sampled fluid

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26
Q

Phosphate Ester

A

Clear, light purple, fire resistant hydraulic fluids conforming to SAE AS1241

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27
Q

Operating Pressure

A

The pressure at which the system is operated

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28
Q

Proof Pressure

A

The nondestructive test pressure, in excess of the maximum rated operating pressure, which causes no permanent deformation, excessive external leakage, or other malfunction

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29
Q

Purging

A

A Decontamination process in which the aircraft system is drained to the maximum extent practical and the removed fluid discarded. A suitable cleaning agent is the. Introduced into the system and circulated as effectively as possible to remove gross contaminants. The operation is completed by removing the circulated cleaning agent and replacing it with new working fluid. Purging is usually followed by a period of recirculating cleaning to ensure adequate decontamination. System purging is limited to use by depot level maintenance activities

30
Q

Purifying

A

A decontamination process using equipment capable of removing particles, air, water, and some solvents from hydraulic fluid

31
Q

Recirculation Cleaning

A

A decontamination process in which the aircraft systems are powered from a clean external source and cycled so as to produce maximum displacement of fluids.
Decontamination is accomplished by circulating the original aircraft fluid through the aircraft fluid through the aircraft and GSE filters, replacing or cleaning these filters as required throughout the cleaning operation.

32
Q

Seal

A

A device to retain fluid within a hydraulic component. The seal may consist of two or more components, such as a packing in a gland, and a packing and backup ring in a gland.

33
Q

Skydrol and Hyjet

A

Trade names for phosphate ester fluids defined by SAE AS1241

34
Q

TFE

A

A tetrafluoroethylene resin.

35
Q

Threshold Limit Values (TLV)

A

A guide used to define recommended safety limits for personnel exposed to toxic vapors. limits are expressed as maximum parts vapor (tolerable) per million parts of air.

36
Q

Viscosity

A

A measure of the internal friction or the resistance of fluid to flow.

37
Q
A

Fluid Connectors

38
Q
A

Joining Lines

39
Q
A

Reservoir

40
Q
A

Quick Disconnect without Checks

41
Q
A

Line, with Fixed Restriction

42
Q
A

Lines, Crossing

43
Q
A

Accumulator

44
Q
A

Accumulator, Spring Loaded

45
Q
A

Accumulator differences

46
Q
A

Desiccator (Chemical Dryer)

47
Q
A

Single Acting cylinders (hydraulic & pneumatic)

48
Q
A

Double Acting Single End Rod

49
Q
A

Double End Rod cylinder

50
Q
A

Actuators and Controls,
Top is spring
Bottom is Manual

51
Q
A
52
Q
A

Pumps

53
Q
A

Review image

54
Q
A

2 Way Valves (2 ported Valves)

55
Q
A

Valves

56
Q
A

Review image

57
Q
A

Review image

58
Q
A

Pressure control Valves

59
Q
A

Flow Control Valves

60
Q

MIL-PRF-5606

A

Hydraulic Fluid, NATO No. H-515, Aircraft, Missile, and Ordnance

61
Q

MIL-PRF-83282, NATO No. H-537

A

Hydraulic Fluid, Fire Resistant

62
Q

MIL-PRF-87257 NATO H-538

A

Hydraulic Fluid, Low Temperature, Synthetic Hydrocarbon Aircraft and Missle

63
Q

SAE AS1241

A

Hydraulic Fluid, Phosphate Ester

64
Q

MIL-G-21164

A

Grease, molybdenum disulfide
For Low and High Temperatures
Sliding steel on steel, heavily loaded hinges; rolling element bearings where required.

65
Q

MIL-PRF-81322, NATO No. G-395

A

Grease, Aircraft General Purpose Wide Temp. Range
O-rings, certain splines, ball and roller bearing assemblies, primarily wheel brake assemblies and in applications where compatibility with rubber is required.

66
Q

MIL-PRF-32014

A

Grease, Aircraft General Purpose Wide Temp Range
O-rings, bushings, ball and roller bearing assemblies, certain splines, areas subject to corrosion (like landing gear)

67
Q

A-A-59323, Type II

A

Wiping Cloth, Lint- Free

68
Q

NAVAIR 17-15BF-97

A

Operation instructions Hydraulic Particle Counter Test

69
Q

NAVAIR 17-600-BF110–6-1

A

Diesel Hydraulic Power Supply A/M27T-15

6-2 is Periodic Maintenance Requirements Manual for T-15

70
Q

NAVAIR 19-1-96

A

Operation and Organizational Maintenance with Illustrated Parts Breakdown Fluid Servicing Unit Hydraulic Fluid and Bulk dispensing unit model PMU-71/E

71
Q

NAVAIR 19-600-441-6-1

A

Pre-operational Checklist Fluid Servicing Unit Hydraulic Fluid Model PMU-71/E
6-2 is PMIC for PMU-71/E

Navy Airframes (23 decks)

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