Re: SMTA brakes

Posted by superih on August 27, 2004 at 08:46:23 from (12.159.33.19):

In Reply to: Re: SMTA brakes posted by BIG JOHN on August 26, 2004 at 18:01:43:

First make sure that you don"t have any oil leaking by the pinion seals. I usually romove the inner brake surface, IH calls it the pinion bearing retainer, (it pulls right out) and replace the oil seal and the O-Ring that seals the inner surface against the transmission. Buy new balls and springs. Then sandblast everything (the actuators, the brake drums, the pins that actuate the actuators, and all wear pads). When assembling the brakes I use either a heavy grease or antisieze on all moving surfaces (actuator pins, the balls and all wear surfaces, by this I mean where the actuators rub against the brake housing. If your brake discs are not wore out (the wear indicator grooves are still in the brake pads) you can sandblast the pads also to remove the glazing. Since you have the pinion bearing retainer out pull the pinion shaft out and file down any grooves that are in the pinion splines where the break pads have been riding for years. The pads must move freely on the splines. Then wire wheel the splines down so that everything is really smooth. This is done to ensure that everthing slides easily on the splines. Clean the pinion shaft up in the parts washer and install back into the tractor. Make sure to lightly oil the splines and the oil seal so that when you put the bearing retainer back on that you don"t tear the oil seal. I have done several tractors like this and the brakes work awsume. Good luck.

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