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M-31 Flashcards

1
Q

What is the purpose of the break manifold assembly?

A

It provides a means of directing pressurized hydraulic fluid to the break/clutch reservoir

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2
Q

What installation is the stabilizer ring apart of?

A

Basic Trailer Assembly

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3
Q

A flat head pin and hairpin cotter pin is what type of component?

A

Anchoring component

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4
Q

What installation is the 24 V battery a part of?

A

Electrical installation

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5
Q

What installation is the voltage regulator apart of?

A

Electrical installation

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6
Q

What installation is the trailer platform a part of?

A

Basic Trailer Sub-Assembly

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7
Q

Where must the trailer assemblies be positioned to the parallel line?

A

+- 3 inches

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8
Q

What must happen before the hydraulic systems switch will function properly?

A

The Diesel engine must be running

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9
Q

What installation are the associated hoses and fittings apart of?

A

Hydraulic installation

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10
Q

What makes of the miscellaneous systems components?

A 
Purchase tape
Tape connector
Cross deck pendant
Tools and storage
Guards And covers
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11
Q

A stake collar is what type of component?

A

Anchoring component

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12
Q

How many Outrigger’s are used for concrete anchoring?

A

5 out riggers

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13
Q

What installation is the hydraulic and parking brake a part of?

A

Basic Trailer Sub-Assembly

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14
Q

The pressure roller accumulator should be at what psi when the tape is retracted?

A

1,300-1,400 psi

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15
Q

What installation is the check valve apart of?

A

Cooling Installation

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16
Q

What installation is the hydraulic control panel a part of?

A

Electrical installation

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17
Q

What installation is the pressure roller and clutch apart of?

A

Hydraulic installation

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18
Q

What installation is the energy absorber a part of?

A

Arresting gear assembly

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19
Q

What is the function of the cooling system motor?

A

It operates the cooling fan and cooling water pump via a drive belt

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20
Q

What are the four types of anchors for a typical a anchoring system

A

Forward single leg, aft single leg, four leg multi outrigger, six leg multi outrigger

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21
Q

What installation is the starter motor apart of?

A

Electrical installation

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22
Q

What is the dimension of the purchase tape

A

It is a woven nylon belt 10 inches wide by .3 inches thick by 894 feet long

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23
Q

What installation is the reservoir assembly apart of?

A

Hydraulic installation

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24
Q

What CBR rating requires soft soil anchor installation?

A

Less than 15

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25
Q

What installation is the starter solenoid apart of?

A

Electrical installation

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26
Q

What psi is required for special tools?

A

2,200 psi

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27
Q

What is the function of the low pressure reducing valve?

A

It reduces hydraulic pressure to relieve excess of tension placed across pendant once return to battery 300-310 psi

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28
Q

What is the technical manual for the static and functional checks of preoperations?

A

NAVAIR 51-5FAA-3

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29
Q

What makes up the purchase tape path?

A

The sheave assemblies, tape drum assembly and tape tunnel

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30
Q

A weak soil anchor is what type of component?

A

Anchoring component

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31
Q

What installation is the radiator apart of?

A

Cooling Installation

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32
Q

What is the function of the check valve?

A

It functions to allow coolant flow from the radiator back to the energy absorber between agreements but also prevents reverse flow

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33
Q

What installation is the temperature sensor and thermometer apart of?

A

Cooling Installation

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34
Q

In anchor pulley is what type of component?

A

Anchoring component

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35
Q

What is the purpose of the radiator pressure cap?

A

It functions to vent excessive pressure buildup from the energy absorber into the radiator overflow tank it opens when pressure exceeds 15 psi

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36
Q

What installation is the main control manifold assembly apart of?

A

Hydraulic installation

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37
Q

What installation is the y-strainer & screen apart of?

A

Cooling Installation

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38
Q

What is the purpose of the backstop clutch?

A

It prevents reverse rotation of the worm gear, roller chain and friction break

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39
Q

What installation is the pressure roller apart of?

A

Basic Trailer Assembly

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40
Q

What Installation is the filter gauge apart of?

A

Hydraulic installation

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41
Q

What installation is the oil cooler apart of?

A

Hydraulic installation

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42
Q

What is the function of the motor check valve?

A

It prevents possible damage to the cooling system motor during shut down

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43
Q

What is the purpose of the quadrant control assembly?

A

It provides a means of adjusting engine speed from the operator control panel

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44
Q

What is the function of the motor control valve?

A

It provides pressurized hydraulic fluid to operate the cooling system motor

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45
Q

What installation is the drain valve apart of?

A

Cooling Installation

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46
Q

What is the purpose of the fluid coupling?

A

Permits slippage or stalling of the retract drive system

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47
Q

When commencing the retraction of the tape what should you increase the engine speed to?

A

2,800 rpm

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48
Q

During post arrestment checks what should the brake/clutch pressure gauge at?

A

300 +-10 psi

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49
Q

What installation is the mobility cylinders a part of?

A

Basic Trailer Sub-Assembly

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50
Q

What is the function of a high pressure reducing valve?

A

It reduces hydraulic pressure to retract the cross deck pendant to 500 to 510 psi

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51
Q

What installation is the energy absorber roller apart of?

A

Basic Trailer Assembly

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52
Q

What does the energy absorber consist of?

A

Tape drum assembly, housing assembly, rotor, shaft

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53
Q

What installation are the two accumulators apart of?

A

Hydraulic installation

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54
Q

The electrical installation provides power for what?

A 
Charging the battery
Monitoring engine functions
Powering the engine starter
The lighting system
Hydraulic components
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55
Q

What makes up the power unit assembly?

A

Diesel engine
Fluid coupling
Power take-off clutch

56
Q

What is the purpose of the radiator?

A

The radiator functions to remove the heat buildup from the energy absorber coolant

57
Q

What is the purpose of the pressure roller?

A

To maintain constant pressure against the purchase tape as it’s being retracted

58
Q

Temperature sensor and thermometer

A

The thermometer provides operator with the temperature of the coolant in the radiator and should match the absorber coolant temperature within 20°

59
Q

What installation is the sheave assembly a part of?

A

Basic Trailer Sub-Assembly

60
Q

What is the function of the main control manifold assembly?

A

It consist of a metal block with internal hydraulic passages for the various control valves

61
Q

What is the function of the worm gear?

A

Provides a means of converting engine torque with a 90° change and shop direction from horizontal to vertical

62
Q

If the trailer is at the end of the runway the bottom of the platform must be how much above the top of the runway?

A

0-3 inches above

63
Q

What three lengths do the cross deck pendant come in?

A

80 feet, 135 feet, 190 feet

64
Q

A turnbuckle is what type of component?

A

Anchoring component

65
Q

What installation is the external power connector a part of?

A

Electrical installation

66
Q

The two trailers must be positioned along the runway relative to each other in order to not exceed the pendant offset of

A

+-8 inches

67
Q

Characteristics of the coolant

A

It is a mixture of 40% clean water and 60% Ethylene glycol. It is designed to protect cooling system components to -60°

68
Q

What is the purpose of the automatic three-way valve?

A

It prevents coolant flow from the energy absorber to the expansion tank and radiator when energy absorber pressure exceeds radiator allowable limits

69
Q

What is the function of the bypass valve?

A

It routes pressurized hydraulic fluid from the hydraulic pump to the reservoir

70
Q

What is the purpose of the alternator/voltage regulator?

A

The alternator 24VDC, 40 amp unit that functions to replace battery current used for the operation of the various electrical current. The voltage regulator, a part of the alternator, controls voltage output of the alternator

71
Q

What installation is the automatic 3-way valve apart of?

A

Cooling Installation

72
Q

Describe the diesel engine

A

It is a four-cylinder, four cycle, turbo charged, oil cooled, diesel engine

73
Q

What installation is the thermo-switch apart of?

A

Hydraulic installation

74
Q

What makes up the worm gear assembly?

A

Speed reducer, backstop clutch, taper bore sprocket and bushing, speed reducer pulley and worm gear locking bushing

75
Q

What is the idle speed of the engine?

A

1,000-1,100 rpm

76
Q

The pressure roller accumulator should be at what psi when the tape is extended?

A

1,200 +20/-0 psi

77
Q

What installation is the water pump apart of?

A

Cooling Installation

78
Q

What installation is the brake manifold apart of?

A

Basic Trailer Assembly

79
Q

What is the purpose of the starter motor?

A

When current is applied to the starter motor, by the starter solenoid, teeth on the starter gear mesh with the teeth on the engine fly wheel, rotating the fly wheel and starting the engine

80
Q

What is the function of the hydraulic filter?

A

It functions to remove any contaminants from fluid returning into the reservoir

81
Q

What is the function of the pendant real?

A

It holds the pendant when in storage

82
Q

What does the hydraulic control panel consist of?

A

The mobility system hydraulic pressure switch
The FWD and REAR mobility system
Raise and lower switches
24 volt outlet

83
Q

Operator control enclosure assembly

A

It contains four terminals, five relays, and a 10 amp fuse

84
Q

What is the function of the relief valve?

A

It protects hydraulic system from over pressure

85
Q

What installation is the pintal assembly apart of?

A

Basic Trailer Sub-Assembly

86
Q

What are the three colored lengths for the locating rings on the layout tool?

A

Silver 100ft
Green 150ft
Orange 225

87
Q

What installation is the roller chain apart of?

A

Basic Trailer Assembly

88
Q

What is the purpose of the starter solenoid?

A

When energized, the solenoid closes a contact, which transfers high electrical current flow from the battery to the starter motor

89
Q

During post arrestment checks what should the oil pressure be at?

90
Q

What installation is the pendant reel apart of?

A

Basic Trailer Assembly

91
Q

What installation is the radiator pressure cap apart of?

A

Cooling Installation

92
Q

What installation is the quadrant control apart of?

A

Basic Trailer Assembly

93
Q

What installation is the engine feed & return hose apart of?

A

Basic Trailer Assembly

94
Q

What are the three runway contours?

A

High side flat runway, crowned runway with continuous curve, crowned runway with flat sides

95
Q

When the distance from the tape connector to the exit sheave on a given side which is approximately 50 feet what do you reduce the engine speed to?

96
Q

What installation is the running gear (mobility system) apart of?

A

Basic Trailer Sub-Assembly

97
Q

What is the function of the filter gauge?

A

Functions to indicate pressure drop across hydraulic filter

98
Q

What installation is the alternator apart of?

A

Electrical installation

99
Q

What installation is the Break/clutch and bearing assembly a part of?

A

Arresting gear assembly

100
Q

What is the purpose of the power takeoff clutch assembly?

A

It provides a connection between the engine and the retract system

101
Q

What installation is the worm gear apart of?

A

Basic Trailer Assembly

102
Q

What installation is the hydraulic filter apart of?

A

Hydraulic installation

103
Q

What is the hydraulic pressure of the pressure roller?

A

1,200 +20/-0 psi

104
Q

What installation are the transport lights apart of?

A

Electrical installation

105
Q

What installation are the piping and hoses apart of?

A

Cooling Installation

106
Q

What is the purpose of the roller chain?

A

The transfer from the worm gear output to the sprocket located on the break/clutch

107
Q

What is the purpose of the water pump?

A

The pump forces coolant through the piping system from the radiator to the energy absorber and back to the radiator

108
Q

What is the function of the system pressure gauge?

A

It provides operator with the visual indication of operating pressure

109
Q

What installation is the power unit apart of?

A

Basic Trailer Assembly

110
Q

What is the function of the flow control needle valve?

A

Matches the 200 psi factory preset pressure differential

111
Q

What is the thermo switch function?

A

It functions to operate the cooling fans located on the oil cooler

112
Q

What is the function of the pretension control valve?

A

It is used to set operating tension

113
Q

What is the function of the oil cooler?

A

It functions to cool the hydraulic fluid returning to the Reservoir

114
Q

What is the Reservoir assembly function?

A

Provides the source of hydraulic fluid required for the operation of the hydraulic pump

115
Q

What is the function of the accumulator check valve?

A

It prevents fluid flow from the break accumulator when hydraulic pump is not operating

116
Q

What is the function of the inboard accumulator?

A

It provides a source of hydraulic pressure to the pressure roller

117
Q

What installation is the expansion tank apart of?

A

Cooling Installation

118
Q

Describe the operator control panel

A

It is divided into five functional sections

119
Q

What installation is the coolant apart of?

A

Cooling Installation

120
Q

What installation is the multi band v-belt apart of?

A

Basic Trailer Assembly

121
Q

What position does the hydraulic system switch must be in before the mobility system hydraulic pressure will function properly?

A

Active position

122
Q

The link plate assembly is what type of component?

A

Anchoring component

123
Q

During post arrestment checks the break/clutch accumulator pressure gauge should be at what psi?

A

285 +0/-10

124
Q

What is the function of the outboard accumulator?

A

It provides a source of hydraulic pressure to the friction breaker/clutch circuits

125
Q

What is the function of the cooling installation?

A

It is designed to maintain proper fluid operating temperatures in the energy absorber Housing during rapid cycling aircraft arrestment

126
Q

What installation is the operator control panel apart of?

A

Electrical Installation

127
Q

What is the purpose of the stabilizer ring?

A

It serves to prevent tape tuck by restricting upward movement of the upper tape drum flange

128
Q

What installation is the cooling system apart of?

A

Hydraulic installation

129
Q

What is the purpose of the mobility cylinders?

A

They function to raise and lower the trailer

130
Q

What is the function of the four-way directional control valve?

A

It directs hydraulic fluid to hydraulic cylinders

131
Q

What is the function of the pressure roller manifold?

A

It is used to control pressure applied to the pressure roller

132
Q

What is the purpose of the expansion tank

A

The expansion tank is provided to accommodate the expansion of coolant with a 10 gallon capacity

133
Q

During post arrestment checks which of the oil temperature not exceed?

134
Q

How many Outrigger’s are used for a typical anchoring system?

A

7 outriggers

135
Q

What is the purpose of the power unit assembly?

A

It provides power to operate the hydraulic installation and arresting gear retract assembly

136
Q

A concrete anchor plate is what type of component?

A

Anchoring component

137
Q

What are the 5 times of anchoring systems?

A 
Rock
Routine
Coral/asphalt thicker than 8”
Weak soil/sand
Concrete

EAF M-31 (1 decks)

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