![]() The gear box and hoses have no abrasions, bulges or cuts, and are not leaking. The drag link is properly mounted and secure, and not cracked, bent or broken. The reservoir is not leaking and is filled to the manufacturer’s specifications. There should be at least ¼ of an inch of friction material.Īll three caste nuts and cotter pins are present. ![]() ![]() The brake hose is rubber it is not cracked and is not leaking air.Ĭheck for oil or debris on the lining. The brake drum is properly mounted and secure. The free play on the belt is between ½ to ¾ of an inch, and all the hoses running to and from the water pump are tightly clamped. The belt is not cracked or frayed, and the free play on the belt is between ½ to ¾ of an inch. The items you need to check for include:Īll of the wires are connected. You should also make sure they are not cracked, bent, or broken. When checking the engine compartment, you always want to make sure the following components are properly mounted and secured. With this pre-trip inspection checklist, we tell you everything you need to know and what you need to check for. Also called the “Vehicle Inspection Test,” the pre-trip is one of the tests that trucking students fail the most. Due to heavy memorization, the pre-trip inspection is one of the hardest aspects of the CDL test.
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