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CDC 2T370N > Volume 2 > Flashcards

Volume 2 Flashcards

1
Q

What does the crane’s digital engine monitor display if a critical fault is found?

A

SHUTDOWN, the fault code and its description.

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2
Q

How many forward and reverse fears does the Arva crane have?

A

3 forward and 3 reverse.

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3
Q

Which crane steering mode provides the sharpest turns?

A

Four-wheel coordinated.

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4
Q

What do the crane’s joystick manipulators use to manipulate the main control valve spools?

A

Pilot pressure.

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5
Q

What component on the Arva crane provides the hydraulic connection and allows the upper structure to rotate?

A

Rotary manifold.

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6
Q

If the crane goes into a two block condition, which functions are disabled?

A

Boom lower, winch up, boom extend.

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7
Q

What is used in place of the older, standard control cables to provide more precise operation of the controls on the crawler tractor?

A

Hydraulics.

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8
Q

In addition to blocking the fluid flow to the gearshift manipulator, what other function does placing the lock lever on the crawler tractor in the raised position eliminate?

A

Parking brake release.

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9
Q

How is the winch brake on the crawler tractor applied and released?

A

Spring and hydraulically.

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10
Q

How many degrees are the fan blades rotated to go from summer to winter operation on the crawler tractor?

A

180 degrees.

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11
Q

What type of torque converter is used on the crawler?

A

Single-stage.

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12
Q

When properly adjusted, how much steering/brake pedal travel is required to completely release the steering clutch pack on the crawler tractor?

A

3 inches.

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13
Q

What prevents movement of the steering clutch outer drum on the crawler tractor during a turn?

A

Band brake.

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14
Q

Recondition a track shoe grouser plate when the grouser is within

A

3/4 inch of the shoe.

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15
Q

Fine dust particles, from air being drawn into the blower of the hopper assembly of the sweeper, are removed by the

A

Dust separator.

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16
Q

The correct adjustment for the blast office opening on the sweeper is

A

5/8 inch.

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17
Q

The gutter brooms on the sweeper are driven

A

Hydraulically.

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18
Q

The pump operating pressure for the sweeper hydraulic system is

A

2,500 psi.

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19
Q

The hydraulic pump on the sweeper is

A

Gear driven.

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20
Q

The sweeper’s flow control valve

A

Controls the raising speed of the gutter broom.

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21
Q

To change the RPM, the rotary-towed sweeper’s intermediate chain drive reduction casing uses the

A

Chain and sprockets.

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22
Q

Why does an indicator light illuminate on the remote control box while using the broom on the rotary towed sweeper?

A

To notify the operator system pressure reached 800 psi and the broom stroke has completed.

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23
Q

The type of hydraulic pump used to operate the rotary snow blower auger hydraulic system is

A

Rotary piston.

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24
Q

The sweepster’s broom speed dial controls the broom speed at

A

0 to 500 RPM.

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25
Q

The caster brake on the sweepster is designed to

A

Stop caster shimmy.

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26
Q

When using a torque wrench on the sweepster, how many foot pounds should it take to break the caster off of the caster brake?

A

60 to 65.

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27
Q

When adjusting the sweepster brush hood, be sure the distance from the stripper bar to the bristles is

A

1/4” to 3/8”

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28
Q

The two hydraulic motors in the sweepster’s hydraulic system are used for

A

Broom and airblast

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29
Q

What system on the Global deicer eliminates the need for outriggers?

A

The torsion bar.

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30
Q

How does the isolator switch aid in jump starting the auxiliary engine?

A

Provides additional amperage.

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31
Q

The main component in the Global deicer’s AirPlus! system is a

A

Supercharger.

32
Q

What is the only gauge needed on the Global deicer with the self-lubricating AirPlus! supercharger?

A

Oil temperature.

33
Q

Which Global deicer hydraulic pump provides fluid for the boom functions during normal operation?

A

5 series.

34
Q

Which Global deicer valve driver board terminal do you probe to measure the amount of reference voltage?

A

+ (Positive).

35
Q

The Global deicer valve driver board uses voltage on which circuit to determine which output circuit to activate?

A

Signal.

36
Q

What is the capacity of the Global deicer’s deicing fluid tank?

A

1650 gallons.

37
Q

What is the capacity of the Global deicer’s anti-icing fluid tank?

A

165 gallons.

38
Q

How many burner assemblies are found in the Global deicer heater system?

A

4

39
Q

The P-19 power divider is mounted on the flywheel housing between the

A

Engine and transmission.

40
Q

Which P-19 component allows the operator to maneuver the vehicle while pumping water or foam?

A

Modulating clutch.

41
Q

What minimum air pressure activates the P-19 water pump clutch air chamber?

A

90 psi.

42
Q

The P-19 controlled traction clutch pack applies when an operator engages the

A

Differential lock switch.

43
Q

What must you do before filling the P-19 water tank from a hydrant?

A

Open the top hatch

44
Q

The P-19 multimetering manifold delivers foam concentrate using three orifices controlled by

A

Air valves.

45
Q

The P-19 dispensing system pressure relief valve is located in the system piping

A

On the outlet side of water pump.

46
Q

Which P-19 dispensing system valve controls the operation of the pressure relief valve?

A

Pilot relief valve.

47
Q

The P-19 air system uses a three-way control valve commonly called the

A

Agent selection valve.

48
Q

The main purpose of the air double-check valve is to

A

Direct air pressure to various components.

49
Q

The P-19 air system inversion valve piston is forced back to the normal position by

A

A spring

50
Q

During a fire-fighting operation, the P-23 power divider agent pump clutch is engaged from the cab by using the

A

Electric switch.

51
Q

How many nine inch Rockford clutch pack assemblies are there in the P-23 transmission?

A

1

52
Q

What is the overall lubrication capacity of the P-23 transmission?

A

120 quarts.

53
Q

For a truck to be considered in computer neutral

A

The stationary select switch must cut power to the TCM which then defaults to stationary mode.

54
Q

How many on/off solenoids does the P-23’s transmission control module control?

A

6

55
Q

What term do we use to describe the foam proportioning system used on the P-23’s dispensing system?

A

Around the pump.

56
Q

How many ports does the multimetering manifold use to induct foam into the P-23 dispensing system?

A

Six

57
Q

What is the discharge pressure of the Akron Brass roof turret used on the P-23’s dispensing system?

A

180 psi

58
Q

How many winterization systems are there on the P-23?

A

2

59
Q

At what temperature does the P-23 vehicle’s winterization system maintain the engine coolant with the engine off?

A

140-160 degrees

60
Q

What color are the Accessory air system lines on the P-23?

A

Yellow.

61
Q

On the Southwest Mobile Systems 25K cargo loader, the operation of the hydraulic system is accomplished by using hydraulic cylinders, which are activated by electrically controlled

A

Manifold assemblies.

62
Q

On the Southwest Mobile Systems 25K cargo loader, the emergency power source connector is mounted on the side of the

A

Battery box.

63
Q

On the Halvorsen loader, what contains all switches, gauges, and indicator lights for starting and shutting down the engine?

A

Dash panel.

64
Q

On the Halvorsen loader, what provides the base for mounting front drive/steer axle, rear axle, power unit, electrical, hydraulic and fuel systems?

A

Chassis.

65
Q

How does the rear axle on the Halvorsen loader attach to the chassis?

A

Pivot pins.

66
Q

The 60K loader steering system is

A

Hydraulic over mechanical.

67
Q

What type of drive pump does the 60K loader hydrostatic drive system use?

A

Swash-plate type.

68
Q

How many drive hubs on the 60K loader produce final drive output power from the drive motor to the wheels?

A

4.

69
Q

What allows for connection of external air pressure on the 60K loader?

A

Glad hands.

70
Q

What preheats the 60K loader batteries for cold weather starting?

A

Pan liner.

71
Q

What component on the 60K loader is protected from overheating by a circuit breaker in the A16 module?

A

Emergency power unit.

72
Q

What drives the fuel system lift pump on the Hyster 10K forklift?

A

Camshaft eccentric.

73
Q

The main hydraulic control valve system f the Hyster 10K includes

A

Four spool valves, four load check valves, and a two-stage relief valve.

74
Q

How are the two 12-volt batteries connected on the Caterpillar adverse terrain forklift?

A

Series.

75
Q

What prevents the Caterpillar adverse terrain forklift from articulating during maintenance procedures?

A

Steering frame lock link.

CDC 2T370N (3 decks)

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