![]() (raised area) no cracks or broken welds, straight.(bolted to frame) bolts tight, none are missing, not cracked, straight.U-joint bolts tight and free of foreign objects.securely hanging, not rubbing on frame or cat walk.lines not repaired, taped, cut or pinched.secure, plugged in tight (locked or latched if applicable).must check at both ends - tractor and trailer.metal fittings at trailer secure, not broken.rubber grommets at trailer not dirty, pinched or leaking air. ![]() metal fittings at tractor secure, not broken.must also check cross members for same.must check whole exhaust system from the turbo to the top of stack.cap is on tight with chain and seal in place.securely mounted, brackets not damages, bolts in place.proper fluid level (if sight glass is installed).not loose, no cracks or distorted lug bolt holes.check valve stem is not cracked, broke, leaking or twisted and secured with cap.check top of tire for even wear and flat spots.shoes are sufficient, more than ¼” pad.no more than 1”adjustment (movement) on the push rod.pins in place holding slack adjuster to push rod.must check clamp secure, tight and in place.not cracked, dented, rusted or leaking.make sure bushings are not torn or missing.check front and rear mount for cracks and rust.not bent, bolts tight, no cracks, cotter pins in place, sockets are not worn or loose.fittings are secure, not cracked or broken.make sure to check both sides of engine for leaks/hoses.secure to engine, bolts tight, hoses secure.belt driven, belt not cracked or frayed, tension is between ½” and ¾”.securely mounted, bolts tight, not leaking.must say that pump is gear driven, working properly.level is sufficient for operation, between hot and cold mark.make sure level is between add and full. ![]() This order starts in the engine compartment and inspects only the axles on the driver’s side of the truck. The test requires you to only inspect the driver side unless the item is only on the passenger side for example, parts in engine compartment and exhaust system. Pre-Trip Inspection Class A Checklist Items Utilizing both the written checklist and the demonstration videos in your study will greatly increase your chance of achieving a passing grade on the Pre-Trip Inspection portion of your Basic Skills test. You cannot use any assistance during the Pre-Trip Inspection Test required for gaining your CDL - you will be completing the inspection checklist by memory, so ensure you know your stuff!Īt the end of this checklist, you will find procedural videos to assist you in understanding the requirements for successfully completing the Class A with Air Brakes Pre-Trip Inspection. ![]() If you miss a part, you can go back and identify it. There is no order or sequence to the test. You will have to check each axle as outlined. You will be graded on whether you know what to check each part for, and not necessarily that you know the specific names of the parts. ![]() When you are completing the inspection test, you must name and point to or touch each item, and fully explain what you are inspecting (you must ensure the tester knows what you are referring to). This article discusses the Pre-Trip Inspection.ĭuring the Pre-Trip Inspection skills test for the air brake equipped Class A Tractor and Trailer, you will have about 95 items to check on a tractor with 2 axles and 2 trailer axles. The three test and the order for which they must be completed are as follows: the Pre-Trip, Basic Skills (backing manurers), and the Road Course. Once you have completed the federally required Entry Level Driver Training (ELDT) theory and behind the wheel (road and range) mandated training, the next step to gaining your Commercial Driver's License (CDL) are the three basic skills formal tests. ![]()
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