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7040 brakes
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ac boy View Drop Down
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Joined: 24 Jan 2012
Points: 28 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ac boy Quote  Post ReplyReply Direct Link To This Post Topic: 7040 brakes
    Posted: 25 Jan 2014 at 2:13pm
can I use the existing brakes on a 7040 with wildwood peddle and master cylinder. if I can where do I put the brake bleeder at on the housing to bleed air out of the piston. or do I just put a rotor on the axle. thanks brad
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20528 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 2014 at 3:37pm
The existing 7040 brake system has a fair amount of leak off and no need for a bleeder. So, I don't think any after-market master cylinder would work without a large reservoir to feed it and it has to be hydraulic oil not brake fluid. Use the AC master cylinder and supply hydraulic oil to it via your power steering system return oil at 300 to 400 psi.
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ac boy View Drop Down
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Points: 28 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ac boy Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 2014 at 4:22pm
Im straight shafting. I have no hydro all gone. manual steering. cut the back off to shorten the hook point. what do you think I should do dr allis?
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DrAllis View Drop Down
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Points: 20528 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 2014 at 4:43pm
On a tractor that size, I'd never have manual steering, but that's just me. The engine is easily capable of a small pump for power steering and that could also supply hydraulic power for the brakes. Even a belt driven pump from a car or pickup truck would do. Maybe a snow plow electric pump connected to an bladder accumulator that could be used to store hydraulic pressure for the OEM brake valve. Brakes could be used several times before accumulator needed to be re-charged with the electric pump. What class of tractor and HP is this going to be ??
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ac boy View Drop Down
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Points: 28 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ac boy Quote  Post ReplyReply Direct Link To This Post Posted: 25 Jan 2014 at 5:14pm
hp? right now im a model 100 pump 13mm pushed to the max. bosch injectors 4 by 22. head ported and polished by trymark. so I figure maybe 400 to 450 im limited to a 3lm 466 turbo 2.31. weight wise id like to get down to around 7500 would be pulling 8 and 8500 . im close now. I can run a apump in that class but is limited to 3000 rpms I don't think a apump is a big advantage at that rpm
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