Steering Flashcards

1
Q

When should it be suspected the axel is twisted

A

Caster exceeds 1/2 degree side to side
Caster shims differ from 1 degree or more
Low speed shimmy
Farting

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2
Q

What would insufficient pre load on worm shaft cause

A

Play, making the steering wheel have to travel further

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3
Q

Flow rate measured in

A

Gallons per minute

Vacuum gage inches of water or mercury

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4
Q

Steering box seals fail from

A

Excessive heat

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5
Q

Psi at sea level

A

14.7

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6
Q

King pin alignment marks are for

A

Putting slip joint in phase

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7
Q

Popet relief pressure

A

200-400 psi

Just before adjustable stop

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8
Q

Positive caster

A

Axel tilted forward

Predictable

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9
Q

Negative caster

A

Axel tilted back, not predictable. Off road uses

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10
Q

Positive camber

A

Bottom of tire tiled in for Weight distribution

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11
Q

Negative camber

A

Bottom out top in

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12
Q

Steering box

A

Multiplied steer input torque and changes direction

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13
Q

Steering gears

A

Worm &sector shaft

Recirculating ball

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14
Q

Recommend caster

A

1/2-1 1/2 for tandem

1 1/2 - 2- 1/2 for single drive

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15
Q

What will happen if gram is higher I’m back then spec

A

Negative caster

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16
Q

How is caster angle changed

A

Metal shins between spring and axel pad

17
Q

King pin worn

A

Throws out camber

18
Q

Positive displacement

A

Same amount every revolution

19
Q

Broken torsion bar

A

Pulls hard to one side

20
Q

Power steering needs ______ to engage

A

Resistance

21
Q

Open centre

A

In neutral flows back to tank