How to tell if tractor protection valve is bad

If there isn’t any air leaking out of the gladhands there, you know the tractor protection valve is working. And those are the three tests. And after doing those three tests, you say to the examiner, “all three tests indicate that the tractor protection system is working.”

There are several tractor protection valve manufacturers on the market. Most tractor protection valves have a similar design, but there can be some minor differences. The best way to determine if your tractor protection valve is bad is to perform a function test. A function test will verify that the tractor protection valve is performing its intended task.

How to Test Tractor Protection System for CDL Air Brake …

Official Site: https://www.youtube.com/watch?v=m4S8PSRAuF4

As part of your CDL air brake inspection, you must test the tractor protection system. Watch the video. CDL IN-CAB Air Brake CHECKLIST: https://www.smartdriv…

The red knob is not the tractor protection valve. The tractor protection valve is at the rear of the tractor where the hoses connect to the tractor. The red knob is the trailer charge …

People Also Ask how to tell if tractor protection valve is bad

Do I need to test the tractor protection valve&system?

As part of your CDL air brake inspection, you must test the tractor protection valve & system. Hi there smart drivers, Rick with Smart Drive Test talking to you today about how to test the tractor protection system.

How do I know if my tractor protection system is working?

And when the tractor protection system passes those three tests, then you know that the tractor protection system is working on the truck. The first one here is to pump down between 20 and 45psi to ensure that the trailer air supply shuts off air to the trailer.

Where is the protection valve on a tractor?

The tractor protection valve is at the rear of the tractor where the hoses connect to the tractor. The red knob is the trailer charge valve. It’s also called a push/pull or PP valve. The yellow knob is tractor parking brake valve which is also called push/pull or PP valve.

What is a tractor protection system?

Any truck designed to pull a trailer with air brakes is going to be equipped with tractor protection system, which consists of the tractor protection valve–just to confuse you [CHCUCKLING] the system and the valve are called the same thing – the tractor protection valve and the red, eight-sided trailer air supply valve on the dash.

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How to Test Tractor Protection System for CDL Air Brake Inspection Video Answer

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