Steering Fundementals Flashcards
A vehicle steering system is designed to?
Turn the rotational action of the steering wheel movement into the pivoting action of the tires
What parts make up the linkage to connect the steering gear to the tires?
Pitman arm, Drag link, upper steering arm, left hand knuckle, lower steering arm, tie-rod end, tie-rod, tie-rod end, right lower arm, right knuckle
What is the purpose of the steering gear?
Transmit the drivers intentions from the wheel to the linkage
What is the primary difference between a worn shaft and a input shaft in a steering gear?
Worm Shaft is only used in manual system
Input shaft is used in power steering system
Pitman Arm
Attached to sector shaft, changes rotary motion into liner motion
Steering stops
Adjustable stops that limit the amount of pivot in each tire assembly
Clock Spring Assembly
Two covers one attached to wheel and one attached to column connected by a ribbon wire
Telescoping slip-shaft
Shaft that allows for telescoping action of steering column. Top half is female splines and fixed bottom half is male splines
What are the 3 main types of steering gears?
Manual Steering gear
Integral power steering gear
Rack and pinion steering
Ball nut
a metal block with a groove cut inside that goes around the worm shaft or input shaft. The steel balls that go between the two are a matched set and must stay together
Sector shaft has travel of?
30 degrees (AIT)
Drag link
Connects pitman arm to upper steering arm. Can be 1,2 or 3 piece
How are kingpins held into the axle?
Normally by draw key(s)
A multi axle steering vehicle has how many of what gears.
1 main steering gear - connected to steering wheel
Rest secondary steering gear - connected hydraulically and/or mechanically
Rack and pinion steering eliminates what components?
Upper steering arm, Pitman arm, Drag link
