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Questions and Answers
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 for safety?
Watch gauges for signs of trouble, use senses to check for problems, check critical items such as tires, brakes, lights, and cargo securement devices.
Name some key steering system parts.
Steering wheel, steering shaft, hydraulic fluid reservoir, gearbox, pitman arm, drag link, steering knuckle, spindle, steering arm, power steering cylinder, tie rod
Name some suspension system defects.
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What three kinds of emergency equipment must you have?
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What is the minimum tread depth for front tires and for other tires?
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Name some things you should check on the front of your vehicle during the walk-around inspection.
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What should wheel bearing seals be checked for?
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How many red reflective triangles should you carry?
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How do you test hydraulic brakes for leaks?
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Why put the starter switch key in your pocket during the pre-trip inspection?
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Study Notes
Vehicle Inspection Importance
- Primary reason for vehicle inspection is safety for yourself and others on the road.
Trip Safety Checks
- Monitor gauges for potential issues.
- Utilize senses (sight, hearing, smell, touch) to detect problems.
- Inspect critical items when stopping: tires, brakes, lights, electrical connections, trailer coupling devices, and cargo securement.
Key Steering System Parts
- Components include steering wheel, shaft, gearbox, pitman arm, tie rods, and power steering cylinder.
Suspension System Defects
- Suspension system supports vehicle and load; defects can be dangerous.
- Look for cracked or broken spring hangers and missing parts in leaf springs.
- Any single leaf missing could render the vehicle "out of service".
- Inspect for damaged air suspension systems and loose frame members.
Emergency Equipment Requirements
- Must carry spare electrical fuses (or circuit breakers).
- Have three red reflective triangles, six fusees, or three liquid burning flares.
- Keep a properly charged fire extinguisher on hand.
Tire Tread Depth
- Minimum tread depth for front tires is 4/32 inch; for all other tires, it is 2/32 inch.
- No fabric should be visible through the tread or sidewall.
Front of Vehicle Inspection
- Check condition of front axle, steering system, and for any loose or damaged parts.
- Ensure windshield is clean, wiper arms have proper tension, and lights/reflectors are functioning.
- Inspect condition of left and right front wheels, brakes, fuel tanks, and cargo securement.
Wheel Bearing Seal Checks
- Ensure that wheel bearing seals are not leaking to maintain proper functionality.
Reflective Triangles Requirement
- Carry three red reflective triangles as part of your safety equipment.
Testing Hydraulic Brakes for Leaks
- For hydraulic brakes, pump the pedal Thr ee times, then hold firm pressure. If the pedal drops, there may be a leak.
Starter Switch Safety
- Keep the starter switch key in your pocket during pre-trip inspection to prevent unauthorized vehicle operation.
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Description
Test your knowledge on the importance of vehicle inspections and safety checks. Learn about critical components such as steering and suspension systems, and the required emergency equipment to keep you and others safe on the road. Ensure your vehicle is roadworthy and ready for any trip.
