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About Us
Contact
Vehicle Inspections: Tractor Trailers
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In order to put a commercial motor vehicle on the road, you must first:
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Complete and sign a new DVIR
Ask a mechanic about the vehicle’s condition
Conduct a thorough pre-trip inspection.
Authorized area
Before you inspect the engine compartment and front axle components:
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Verify the parking brakes have been released.
Put the vehicle’s keys in the ignition, depress the clutch, and start the engine.
Remove the chocks from the wheels.
Open the hood.
While inspecting the fire extinguisher during the in-cab inspection, make sure it is:
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Mounted
Accessible
Fully charged
All of the above
When completing an inspection of your lights, you’ll need to ensure these lights are working and appropriately aimed.
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High and Low beams
Emergency flashers
Tail Lights
Side marker lights
The minimum tread depth for the steer tires is:
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2/32 inch
4/32 inch
6/32 inch
8/32 inch
When pumping the air pressure down during your brake check, the brake buttons should pop out somewhere between:
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0 and 20 psi
20 and 40 psi
40 and 60 psi
60 and 80 psi.
After the initial 50-mile check, you must conduct additional on-the-road inspections of the cargo and load-securing devices:
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Whenever a change of duty status is made and every three hours or 150 miles, whichever comes first.
Whenever you stop for fuel or every 150 miles, whichever comes first.
If you are stopped for a roadside inspection and fail.
A and C
Post-Trip inspections should include:
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Brakes, steering, and lighting
Oil and tire pressure
The same item as the pre-trip inspection except for things affected by heat
Only items known to be defective
The regulations require drivers of property-carrying CMVs to complete and sign a DVIR:
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at the start of their work day for each vehicle they intend to operate during that shift.
at the end of the work day whenever a defect or deficiency is discovered or reported.
when a change of duty status is made, every three hours, or every 150 miles, whichever comes first.
all of the above.
Post-Trip inspections should include:
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Your inspections will be more efficient and effective.
There’s less of a chance you’ll miss something.
You’re guaranteed to pass all roadside inspections.
A and B
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