Re: Electric Trailer Brakes

Posted by the tractor vet on July 23, 2007 at 08:08:46 from (75.19.123.188):

In Reply to: Electric Trailer Brakes posted by Leee on July 23, 2007 at 04:44:34:

Now from what i was told by the head service manager at Dexter Axel as i had a brake failure one time and i stopped at the main plant to see what could be done and as Ron Kinas told me that Electric trailer brakes are not made to STOP you they are designed only to slow you down and if you have wheel lock then there is a problem . while i was there they found that the brakes on my trailer were suppose to have been replaced on a recall and they took my trailer in and did and up0 grade with new backing plates and magnits and shoes for free . The only thing that they said was that they would have realy liked the trailer not to be loaded as i had a load on comming from the Deere Expo but they managed to get it jacked up with the load anyway. . As Ron was telling me that the truck brakes was what was suppose to do the real stopping and the trailer brkes where just ment to take some of the load off the truck . He also told me that if i wanted real breaking power at the time then i needed to up grade to the Vac. over hyd. system as it was made for stopping or go bigger with the truck and go stright air brake. So if all the magnits are working and the shoes are good the spring kits are all good the drums are good and the surface where the magnits are rubbing are rust free and grease and oil free and you are getting electric to the magnits then that is all your going to get. This is the reason that ALL trucks have a towing limit that most people do not fallow as the truck braking system is only able to handel so much. And if something happens to one system or the other you will put racing strips in your shorts. Myself i had problems with my truck with it's brakes on hot days because of the locatin of the anti loc brake valve as it was wright next to the left exhaust pipe and on long pulls the heat would boil the brake fluid out of the valve and cause cavatation in the valve and when you came down on the truck brakes the pedal would go to the floor and you had NO brakes on the truck and the only way to get brakes back to the truck was to Bleed the whole system and remove the air pockets as this is when i found out that the big brakes on the trailer would only slow you down and not realy STOP you . It took me a long time to get the truck brakes to the point that you could somewhat trust them but had to remove all the antiloc stuff and reroute all the lines away from the left exhaust maifold and exhaust pipe . This is why i sorta frown on guys tryen to haul tractors with 1/2 ton trucks as today 1/2 tons are realy nothing more then a car with out a trunk and the 3/4 tons of today ain't much better . I have always went by what and old steel hauler told me many years ago that if ya want to haul IRON then it takes Iron to haul it. And one can never have enough truck or enough brakes .

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