When to Replace the Brakes on Your Semi Truck

 HOW & WHEN TO REPLACE THE BRAKES ON YOUR SEMI TRUCK? 

Follow these instructions to make sure a soft, safe, and pain-free electronic trailer brake is set up!  

1. CHECK BRAKE CONTROLLER: Before getting your hands all dirty, you should initially check the technical heart of the whole trailer’s braking structure known as the brake controller! 

Brake controllers communicate and link with your brake magnet of the drum. To run a first brake control check, access the following: 

1. CONDITION OF A WIRE: Controller wires must look soft and still, without perceptible bumps, fraying, scoring, or tears!

2. PLAN INCLUDED: Ensure your brake controller yet contains its plan that is, its basic writing image signifying how to wire the semi truck repair according to his specifications!

3. EXACT POWER OUTPUTS & READING: Controllers must be sending suitable outputs to your trailer brakes, which you can inspect utilizing a voltmeter or the same tool! 

2. PICTURE THE INSIDE BRAKE DRUM: Brake drum decodes starts by eradicating the outer dirt or greasing cap, them eradicating elements around the axle or central spindle! 


1. ERADICATE THE DUST OR GREASING CAP: Utilize huge furrow pliers, when caps are worn or old – a hammer to pop the cap off. If utilizing a hammer, apply compulsory but prohibited outer facing hits whilst spinning the drum to lose it steadily! 

2. SNOOP OFF THE NUT RETAINER: After that, utilize a huge flat screwdriver to pull off the nut retainer and then the saving cotter pin, if there is one! 

3. SPIN OFF THE SPINDLE NUT: Utilize your hands to eradicate the spindle nut from the central axle! 

4. ERADICATE THE EXTERIOR BEARING: At this time, the exterior wheel bearing must slip off softly. It is suggested to remove exterior bearings, as these elements tend to get oxidized with age! 


3. CHECK THE ASSEMBLY OF BRAKE DRUM: With your interior brake drum assembly exposed, you could check its inner assembling elements, including the magnet. Inspect the general drum assembling for:


1. Scores, cracks, or loose wires across the surface of the drum assembly. 

2. Correct thickness of drum, not old from recommended specialized sizes! 

Technicians would then turn their notice to the central magnet, which is what access outputs from the controller to connect the brakes of the all semi truck repair! They will inspect to see if the magnet: 

1.  WAGGLES AROUND WHEN PULLED: This is fine; you do not need stiff or firm magnets!

2. HAVE FOUR SURFACE DOTS: Trailer magnets must have four dots on their surface. When a magnet gets older, these dots vanish!


This is as well an amazing point to inspect your star wheel. Star wheels are a little spring that can be adjusted placed at the surface of the magnet! Like the magnet itself, it must as well waggle when pushed but should not feel lost! 

4. ERADICATE THE BRAKE DRUM’S INSIDE WHEEL BEARING AND SEAL ELEMENTS: Initially, use cable cutters to cut your magnet’s cables only behind the drum’s backplate! This could be a scary step, frequently one best left to experts!

Implement this step only when setting up a completely new brake assembling kit. Or else, you will cut off your magnet connection permanently! 

Being unscrewing the washers and nuts holding the inner brake assembling to its axle. You might as well have to unscrew the seal of the wheel bearing, which a lot of producers spot with arrows! Once unscrewed, the drum assembling must swipe right off, leaving a nude axle! 

5. CLEAR THE ERADICATED AXE AND DRUM: Utilize suitable solvents to clean your axle, removing dust, grease, or oil that is a stick! Do the similar with your inner brake drum you have just eradicate!  

This is as well an amazing time to clear and oil your filling, dumping out grease and filling it with new oil. Check the races of bearing in steps 2 & 4. If any chipped, find substitutes instantly. Ultimately, add a layer of new oil back in the spindle! 

6. CHANGE THE INSIDE BRAKE ASSEMBLING: Your fresh inside drum assembling comes in a kit having all the elements and pieces you will want for the drum! 

7. ADD FRESH WHEEL BEARINGS, IF REQUIRED: Oil your inside bearings before applying them in the outer brake drum, which must as well be greased. Though, do notice that oiling bearings are a filthy task! These corrugated pieces require to be packed with oil, either by utilizing an expert bearing pack equipment or by placing splotch in your fist!

8. INSTALL THE NEW OUTER BRAKE BEARING ELEMENTS: At this time, you are all set to connect the outer brake bearings and assemble elements back over the cleaned and greased axle! This will join it with your inside brake assembling elements, including your freshly cabled magnet!

After placing the drum, you can start setting the other outer drum and bearing elements, in the reversed form! That signifies installing first the hub with its lubricated bearings, then the broader drum, then the exterior wheel bearing! 

9. RETURN THE TIRE: Through all of your fresh trailer brake pieces, you might now install your trailer’s tires! Utilize a wrench or the same equipment to torque the nuts back to their selected factory specialization! 


Location: Milton, ON, Canada

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