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Interlube Inspection And Maintenance > Iterlube Inspection And Maintenance > Flashcards

Iterlube Inspection And Maintenance Flashcards

1
Q

What is recognized as an efficient, simple, and consistent method of creating and delivering power?

A

Fluid under pressure

Example sentence: Hydraulics is recognized as an efficient method of creating power.

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2
Q

What does flow equal to in hydraulics?

A

Speed

Example sentence: Flow in hydraulics is equal to speed.

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3
Q

What is the function of the pump in hydraulics?

A

To create flow

Example sentence: The function of the pump in hydraulics is to create flow.

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4
Q

What creates pressure in hydraulics?

A

Resistance to flow

Example sentence: Resistance to flow creates pressure in hydraulics.

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5
Q

What are the two sub-systems in hydraulics?

A

Fifth Wheel Boom Lift and Power Steering

Example sentence: The two sub-systems in hydraulics are Fifth Wheel Boom Lift and Power Steering.

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6
Q

What do the Fifth Wheel Boom Lift and Power Steering share in hydraulics?

A

Reservoir, return filter & hydraulic fluid

Example sentence: The Fifth Wheel Boom Lift and Power Steering share the reservoir, return filter, and hydraulic fluid.

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7
Q

What type of pump is a PARKER Pump in hydraulics?

A

Not painted, with priority valve located on the outside of the pump

Example sentence: The PARKER Pump in hydraulics is not painted and has a priority valve located on the outside of the pump.

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8
Q

What is the lift capacity of the 5” cylinder in the Fifth Wheel/Boom Lift sub-system?

A

70,000 lbs

Example sentence: The lift capacity of the 5” cylinder in the Fifth Wheel/Boom Lift sub-system is 70,000 lbs.

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9
Q

Where is the lift control valve located in the Fifth Wheel/Boom Lift sub-system?

A

On the left inside frame rail behind the cab

Example sentence: The lift control valve in the Fifth Wheel/Boom Lift sub-system is located on the left inside frame rail behind the cab.

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10
Q

What is the maximum pressure of the relief cartridge for the 5” cylinder in the Fifth Wheel/Boom Lift sub-system?

A

2000 psi

Example sentence: The relief cartridge in the Fifth Wheel/Boom Lift sub-system has a maximum pressure of 2000 psi for the 5” cylinder.

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11
Q

How should the pressure be adjusted in the Fifth Wheel/Boom Lift sub-system?

A

Using a ratchet, 3” extension, and a 1-1/16 deep socket to remove the adjuster cap. Use a 5/16 allen wrench to turn the adjustment screw ¼ at a time. Turn clockwise to increase pressure. Pressure should be set to 2000 psi.

Example sentence: Pressure adjustment in the Fifth Wheel/Boom Lift sub-system should be done using specific tools as described.

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12
Q

What does flowing oil cause in a hydraulic system?

A

Motion

Example sentence: Flowing oil in a hydraulic system causes motion.

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13
Q

What powers the control valve in a hydraulic system?

A

The pump

Example sentence: The pump powers the control valve in a hydraulic system.

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14
Q

What is the purpose of a priority valve in a hydraulic pump?

A

To direct flow between the boom and steering, with steering taking priority in case of valve failure.

Example sentence: A priority valve in a hydraulic pump directs flow between the boom and steering, with steering taking priority in case of valve failure.

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15
Q

What is the function of the cab tilt system?

A

To tilt the cab using either manual or electric over hydraulic methods.

Example sentence: The cab tilt system functions to tilt the cab using manual or electric over hydraulic methods.

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16
Q

What is the function of the tilt motor in the cab tilt system?

A

Power up and power down the cab.

Example sentence: The tilt motor in the cab tilt system powers up and powers down the cab.

17
Q

What is the function of the cab hold down latch in the cab tilt system?

A

To receive oil at the same time as the lift cylinder, requiring less pressure to open and therefore opens first.

Example sentence: The cab hold down latch in the cab tilt system receives oil at the same time as the lift cylinder and opens first.

18
Q

What is the safety feature of the tilt cylinder in the cab tilt system?

A

Safety prop to prevent the cab from falling in case of a failure.

Example sentence: The tilt cylinder in the cab tilt system has a safety prop to prevent the cab from falling in case of a failure.

19
Q

What is the recommended procedure for adjusting boom relief pressure in the Fifth Wheel/Boom Lift sub-system?

A

Lower boom completely, shut off engine, and toggle the control lever several times to relieve pressure. Insert a 3000 psi gauge into the tap location.

Example sentence: The recommended procedure for adjusting boom relief pressure in the Fifth Wheel/Boom Lift sub-system involves specific steps as described.

20
Q

What should be done if the boom is still slow to lift in the Fifth Wheel/Boom Lift sub-system?

A

Install a steering analyzer between the pump and control valve to check flow rates.

Example sentence: If the boom is still slow to lift in the Fifth Wheel/Boom Lift sub-system, installing a steering analyzer between the pump and control valve can help check flow rates.

21
Q

What does pressure indicate in a hydraulic system?

A

Force

Example sentence: Pressure in a hydraulic system indicates force.

22
Q

What is the working pressure in a hydraulic system?

A

Pressure required to complete the job, which rises to meet the load.

Example sentence: Working pressure in a hydraulic system rises to meet the load and complete the job.

23
Q

What is the major link between two of the three hydraulic system components?

A

The hydraulic pump

Example sentence: The hydraulic pump is the major link between two of the three hydraulic system components.

24
Q

What type of fluid is used in the hydraulic system?

A

Dexron 3

Example sentence: Dexron 3 fluid is used in the hydraulic system.

25
Q

What are the two brands of hydraulic pumps mentioned?

A

Danfoss and Parker

Example sentence: Two brands of hydraulic pumps mentioned are Danfoss and Parker.

26
Q

What receives oil at the same time?

A

The cab hold down latch and lift cylinder

The latch requires less pressure to open and therefore opens first.

27
Q

What does the tilt cylinder have to prevent the cab from falling?

A

A safety prop

In the event of a failure.

28
Q

How do you adjust Boom relief pressure?

A

Start engine and raise boom, continue to hold lever up and read the gauge pressure. This is relief pressure. If pressure needs adjusted - lower boom and toggle lever to relieve pressure. Remove cap located below lever fulcrum.

29
Q

What type of steering systems do off road trucks use?

A

TRW steering systems

30
Q

What does the pump deliver to the steering system through?

A

A dedicated ‘Priority’ valve

Delivers 4 GPM to steering system.

Interlube Inspection And Maintenance (12 decks)

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