Sec 2 Flashcards
What is the most important reason for doing a vehicle inspection?
Safety for yourself and other road users.
What things should you check during a trip?
Watch gauges, look listen, smell and feel for problems.
Check critical items when you stop:
» Tires, wheels and rims.
» Brakes.
» Lights and re ectors.
» Brake and electrical connections to trailer.
» Trailer coupling devices.
» Cargo securement devices
Name some key steering system parts.
Steering wheel, steering shaft, gear box, pitman arm, drag link, steering knuckle, spindle, steering arms, tie rod, hydraulic fluid reservoir.
Name some suspension system defects.
Crackedorbrokenspringhangers.
● Missing or broken leaves in any leaf spring. If one-fourth or more are missing, it will put
the vehicle “out of service,” but any defect could be dangerous. See Figure 2-3.
● Broken leaves in a multi-leaf spring or leaves that have shifted so they might hit a tire or other part.
● Leaking shock absorbers.
● Torque rod or arm, U-bolts, spring hangers or other axle positioning parts that are cracked, damaged or missing.
● Air suspension systems that are damaged and/or leaking. See Figure 2-4.
● Any loose, cracked, broken or missing frame members
What three kinds of emergency equipment must you have?
Fire extinguisher(s).
● Spare electrical fuses (unless equipped with circuit breakers).
● Warning devices for parked vehicles (for example, three re ective warning triangles, six fusees or three liquid burning ares
What is the minimum tread depth for front tires?
4/32 “
What is the minimum tread depth for other tires?
2/32 “
