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Farmall & IHC Tractors Discussion Forum
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3414 Brakes

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Mike

10-01-2003 13:31:18




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I have a 3414 diesel TLB and the brakes leave a lot to be desired. I have replaced the brake discs (OEM parts), replaced the worn balls and generally freed up the linkage system, the diff seals don't leak, yet it is darn near impossible to stop this tractor on a grade. Any suggestions would be appreciated.




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Mike

10-01-2003 16:16:49




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 Re: 3414 Brakes in reply to Mike, 10-01-2003 13:31:18  
How ironic. I just got a 3414 with loader and backhoe and it has no brakes! I was going to start tearing into mine. How hard was it to disassemble etc. How much were the parts and where did you get them? Any words of wisdom. Good luck with your Question which most likely will end up being mine also! Mike



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Mike

10-02-2003 10:28:35




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 Re: Re: 3414 Brakes in reply to Mike, 10-01-2003 16:16:49  
The brakes are very easy to work on. Once you remove the footrest plates and disconnect the linkage, the brake assy is easily removed. I purchased the replacement parts from the local Komatsu dealer (I know, it's kinda scary. As I understand it, when IH sold the ag equipment line to Case, the industrial equipment line was sold to Dresser Industries, who ultimately sold to Komatsu). As I recall a set of discs was about $80.

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the tractor vet

10-01-2003 18:24:59




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 Re: Re: 3414 Brakes in reply to Mike, 10-01-2003 16:16:49  
The brakes on them did leave alot to be desired . If you can find the imported brake disc's they have the asbestos lining and a nother thing that does help SOME is assembal the brakes into the drum with the expander and take a massurement with a stright edge and see just how much clearance you have between the stright edge and the disc then mill it off so you have around .125 clearance. What has happed is that with normal ware there is to much clearance and the expander is comming out to far and losing it's max force.

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Mike

10-02-2003 10:32:22




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 Re: Re: Re: 3414 Brakes in reply to the tractor vet, 10-01-2003 18:24:59  
Thanks! Upon reflection, I believe you have hit the nail on the head. The parts are worn so much that the expander is reaching the end of it's travel before enough clamping force is created on the disc to stop the tractor. This also explains why the adjusting bolts are at the end of their travel and I still have a fair amount of freeplay in the pedal. Thanks again.



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JB

10-01-2003 17:47:20




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 Re: Re: 3414 Brakes in reply to Mike, 10-01-2003 16:16:49  
Hi, I assume the 3414 is the industrial version of the B414, made in the UK but possibly assembled in USA. On the B414D we used to take the brakes apart and clean the roller balls and tracks, apply a very small amount of high temp grease of the balls, then take a wire brush and roughen the surface of the disk pads. Basically get the shiny glaze off them.
One time a neighbor replaced the disks and his brakes were worse and the problem was the new disks were riding up on the ridge that had been worn into the outside diameter of the metal brake facing. He had to take a file and file the outside edge of the new disk so they would fit tight against the metal brake facing.

Good luck
JB

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