9 Brakes Flashcards

1
Q

Where are disc breaks found

A

Are not just found in airbrakes

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2
Q

Service brakes

A

Take some kind of mechanical force and apply it to the wheels to stop the rotation

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3
Q

Park brakes

A

Uses an implied mechanical force to keep a vehicle in place when parked

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4
Q

Hydraulic brakes

A

Transverses power, via brake fluid
Common with light vehicles , tractors, ATVs, and older apparatuses

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5
Q

Airbrakes

A

Transfer power to the brakes be a compressed air
Common with heavy trucks, buses industrial machines, and tractors

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6
Q

Hydraulic brakes consist of

A

Brake pedal
Master cylinder
Brake lines
Calliper or piston
Brake shoes and pads

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7
Q

Master cylinder

A

Is the oil reserver

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8
Q

How do you hydraulic brakes work?

A

When the driver pushes the brake pedal the master cylinder converts, mechanical pressure into hydraulic pressure and send it through each brake line at each wheel. A slave cylinder converts the hydraulic pressure back to mechanical pressure. A parachute is pushed against the drummer of the desk to add friction to slow the wheel.

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9
Q

Do hydraulic brakes have delay

A

Virtually no delayed reaction because it is virtually incompressed

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10
Q

Park brake

A

Also known as emergency break, is a manual spring break on hydraulic brakes

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11
Q

Airbrakes air compressor

A

Air, compressor and governor
Air compressor cousin at 100 psi
Air compressor cuts out at 125 psi

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12
Q

The storage tanks

A

The air compressor is connected to a Reservoir that stores pressurized air, the secondary and primary tanks

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13
Q

Brake lag

A

Is the reaction time for when the pedal is pushed tether there is any breaking action roughly 3/10th or 1/2 seconds

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14
Q

How to air brakes work

A

When the driver pushes the brake pedal, pressured air moves through the hoses to push down a piston that move the cam that pushes a breaks you into a rotating drum that’s attached to the wheel the brake shoe rubs against the drum crates fiction and slows the wheel

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15
Q

2 ways to know the air breaks is charged

A

Gauge reads significant air pressure
Yellow button stays in

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16
Q

60 psi

A

Spring brake, warning, light and buzzer comes on

17
Q

90 psi

A

Needed to keep yellow button pushed in to

18
Q

45 -25 psi

A

Spring break will become fully activated

19
Q

Purpose of antilock brakes

A

To prevent the tires from locking up under any condition

20
Q

80 psi

A

Apparatuses with airbrakes must be equipped with an air pressure protection valve to prevent airhorns from being operated when the pressure air register for the drops below 80 psi

21
Q

How to know your brakes are faulty

A

The apparatus poles to one side while breaking
The brake pedal feels mushy hydraulic
There’s a metal grinding noise when braking
Air rushes from the treadle valve ( brake values )