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Hubs/Bearings/Seals

Hubs & Internal Components

QuestionAnswer
What wheel type is used where max load capacity & rough terrain is considered when spec'd Cast Spoke
True or false? A tire mounted to a rim, and the rim is mounted to a wheel. True
What is max permitted runout for a truck cast spoke wheel after adjustment? 1/8"
Which side of a truck equipped with stud piloted disc wheels has left-handed thread lug nuts? Left
How are truck wheel bearings lubed? Wet Hub (Oil bath)
What is the best practice for removing a bearing race from an aluminum hub? Preheat hub in Thermostatically oven then tap bearing race with steel drift
A cast spoke wheel is best suited to what kind of environment? Harsh, construction site
Advantage of truck disc wheel compared to cast spoke wheels? 1: Fewer alignment problems; 2: Lighter weight; 3:Extend tire life
Where is the spacer ring place, when mounting a set of duals to a cast spoke wheel? between inboard and outboard tires
Is a dial indicator a method of measuring runout on a mounted tire? Yes
Channel, corrugated and corrugated channel uses what type of ring? Spacer ring
What method is used to adjust wheel bearings on all non-unitized wheel hubs? TMC method
What is a seal driver and hammer used for? To install a typical truck wheel seal.
When using the ATA Technical and Maintenance council method of setting truck wheel ends, what is the first torque setting? 200 lbs.-ft
You just completed a TMC wheel end adjustment, what is the tool used and what are the specs? Dial indicator; measurement should be between .001 - .005 inches.
what is the torque required for wheel installation in a ConMet unitized hub system? 300 lbs. -ft
Does the wheel bearing on a unitized hub system require adjustment during the life of the hub? NO
Disc wheels nuts and studs on the left side of a truck often use right handed thread False
In a cast spoke wheel, the wheel hub is integral with wheel? Yes
What component is tightened before checking end play? Wheel bearing adjusting nut
What is the purpose of the hub? House the wheel bearings and provide a mounting point for the wheels.
What is the service industry's leading causes of wheel end failure? Wheel bearing mis-adjustment
What are the three types of hubs? 1: Stud piloted (LH & RH thread; tapered) 2: Hub piloted (RH thread; Flat lug nuts; pressed in) and 3: Cast/ Spoke type (Dayton; RH thread; Split rim)
Created by: clarkcummins
 

 



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