Rim 1
All truck rims are made of single pieces of metal.
True or False
False 913
They are left hand thread.
What is unique about the lugs on the left side of trucks?
They are expensive.
Why do most learning environments not replace wheel seals?
High floatation, super single, wide-body, duplex, and jumbo wheels.
What can the wide-base singles also be called?
Every time.
How often should the tire cage be used when inflating tires?
Stud piloted, Hub piloted.
What two types of disc wheels subdivision are there by the means used to mount them?
Have an "L" stamped on the end of it.
How do you know if the lugs are left hand thread or not?
7
How many steps are there for installing wheel bearings?
The body cords are placed perpendicularly across the tread from bead to bead.
Radial tires are?
The body ply cords lie in a diagonal direction from bead to bead.
Bias tires are?
Cast spoke wheels, disc wheels
What two general types of wheels are used?
You can change a tire without having to remove the whole assembly.
What is an advantage of cast spoke wheel?
Final back off
What is step number 5 in torquing the wheel bearings?
Reduce overall wheel end weight, reduce tire rolling resistance, increase payload potential, spreads the axle permitting lower center of gravity and greater stability.
What are the good things about wide-based tires?
Steer axle 16%, Drive axle 44%, trailer axles 40%.
How many percent of rolling resistance does each axle divide into?
Three, five, and six.
How many spokes does each design have?
Three.
How many spoke designs are there?
Tire pressure is so low that it causes the tire to either explode or throw the retread off of the tire.
What causes there to be pieces of tires on the road all the time?
Rib, Lug, High-traction lugs.
What are the three categories of highway truck tread designs are?
The width of the tire.
What does the first number in tire size stand for?
The size of rim it fits
What does the number after the letter “R” stand for in tire size?
Harder to keep the tire balanced.
What is a disadvantage of the cast spoke wheel?
Tire life greatly increases when tires are properly matched in tread pattern, diameter and circumference. Improperly matched tires cause costly mechanical problems due to differential carrier failure resulting from constant differential action.
What are the advantages of using the same tread design on dual tires?
Aspect ratio.
What does the second number stand for?
Air pressure.
What is one problem in getting drivers and service personnel to maintain that causes excessive wear on tires?