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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
The caster brake on the sweepster is designed to
Stop caster shimmy.
26
When using a torque wrench on the sweepster, how many foot pounds should it take to break the caster off of the caster brake?
60 to 65.
27
When adjusting the sweepster brush hood, be sure the distance from the stripper bar to the bristles is
1/4" to 3/8"
28
The two hydraulic motors in the sweepster's hydraulic system are used for
Broom and airblast
29
What system on the Global deicer eliminates the need for outriggers?
The torsion bar.
30
How does the isolator switch aid in jump starting the auxiliary engine?
Provides additional amperage.
31
The main component in the Global deicer's AirPlus! system is a
Supercharger.
32
What is the only gauge needed on the Global deicer with the self-lubricating AirPlus! supercharger?
Oil temperature.
33
Which Global deicer hydraulic pump provides fluid for the boom functions during normal operation?
5 series.
34
Which Global deicer valve driver board terminal do you probe to measure the amount of reference voltage?
+ (Positive).
35
The Global deicer valve driver board uses voltage on which circuit to determine which output circuit to activate?
Signal.
36
What is the capacity of the Global deicer's deicing fluid tank?
1650 gallons.
37
What is the capacity of the Global deicer's anti-icing fluid tank?
165 gallons.
38
How many burner assemblies are found in the Global deicer heater system?
4
39
The P-19 power divider is mounted on the flywheel housing between the
Engine and transmission.
40
Which P-19 component allows the operator to maneuver the vehicle while pumping water or foam?
Modulating clutch.
41
What minimum air pressure activates the P-19 water pump clutch air chamber?
90 psi.
42
The P-19 controlled traction clutch pack applies when an operator engages the
Differential lock switch.
43
What must you do before filling the P-19 water tank from a hydrant?
Open the top hatch
44
The P-19 multimetering manifold delivers foam concentrate using three orifices controlled by
Air valves.
45
The P-19 dispensing system pressure relief valve is located in the system piping
On the outlet side of water pump.
46
Which P-19 dispensing system valve controls the operation of the pressure relief valve?
Pilot relief valve.
47
The P-19 air system uses a three-way control valve commonly called the
Agent selection valve.
48
The main purpose of the air double-check valve is to
Direct air pressure to various components.
49
The P-19 air system inversion valve piston is forced back to the normal position by
A spring
50
During a fire-fighting operation, the P-23 power divider agent pump clutch is engaged from the cab by using the
Electric switch.
51
How many nine inch Rockford clutch pack assemblies are there in the P-23 transmission?
1
52
What is the overall lubrication capacity of the P-23 transmission?
120 quarts.
53
For a truck to be considered in computer neutral
The stationary select switch must cut power to the TCM which then defaults to stationary mode.
54
How many on/off solenoids does the P-23's transmission control module control?
6
55
What term do we use to describe the foam proportioning system used on the P-23's dispensing system?
Around the pump.
56
How many ports does the multimetering manifold use to induct foam into the P-23 dispensing system?
Six
57
What is the discharge pressure of the Akron Brass roof turret used on the P-23's dispensing system?
180 psi
58
How many winterization systems are there on the P-23?
2
59
At what temperature does the P-23 vehicle's winterization system maintain the engine coolant with the engine off?
140-160 degrees
60
What color are the Accessory air system lines on the P-23?
Yellow.
61
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
Manifold assemblies.
62
On the Southwest Mobile Systems 25K cargo loader, the emergency power source connector is mounted on the side of the
Battery box.
63
On the Halvorsen loader, what contains all switches, gauges, and indicator lights for starting and shutting down the engine?
Dash panel.
64
On the Halvorsen loader, what provides the base for mounting front drive/steer axle, rear axle, power unit, electrical, hydraulic and fuel systems?
Chassis.
65
How does the rear axle on the Halvorsen loader attach to the chassis?
Pivot pins.
66
The 60K loader steering system is
Hydraulic over mechanical.
67
What type of drive pump does the 60K loader hydrostatic drive system use?
Swash-plate type.
68
How many drive hubs on the 60K loader produce final drive output power from the drive motor to the wheels?
4.
69
What allows for connection of external air pressure on the 60K loader?
Glad hands.
70
What preheats the 60K loader batteries for cold weather starting?
Pan liner.
71
What component on the 60K loader is protected from overheating by a circuit breaker in the A16 module?
Emergency power unit.
72
What drives the fuel system lift pump on the Hyster 10K forklift?
Camshaft eccentric.
73
The main hydraulic control valve system f the Hyster 10K includes
Four spool valves, four load check valves, and a two-stage relief valve.
74
How are the two 12-volt batteries connected on the Caterpillar adverse terrain forklift?
Series.
75
What prevents the Caterpillar adverse terrain forklift from articulating during maintenance procedures?
Steering frame lock link.

CDC 2T370N (3 decks)

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