I've had steering brakes on drums that worked good.
30 years ago that was all the rage...........
Install a residual pressure valve in the system.
Drum brakes normally use a 10# unit.
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| Just installed CNC cutting brake http://www.woodsbuggy.com/phpBB3/viewtopic.php?f=10&t=14352 |
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| Author: | jsaylor [ Wed Nov 14, 2012 12:05 am ] |
| Post subject: | Just installed CNC cutting brake |
Drums in rear, the instructions on my CNC states the handle should have only 3/16 free play, I can move the handle about 2 inches, should the free play really be 3/16? I have pressure bled several times with no change. when I pressure bleed I use 10lb is this enough? |
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| Author: | fortydegnorth [ Wed Nov 14, 2012 9:18 am ] |
| Post subject: | Re: Just installed CNC cutting brake |
Are your brake shoes adjusted to the drum? Maybe the free play is just getting the shoe to the drum. Do you have good rear brakes. I've never heard much good with a cutting brake and drum brakes. The free play on disk brakes is pretty small. My lever has some movement from the cotter pin and then very little movement before its solid. |
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| Author: | turboblue [ Wed Nov 14, 2012 1:08 pm ] |
| Post subject: | Re: Just installed CNC cutting brake |
I've had steering brakes on drums that worked good. 30 years ago that was all the rage........... Install a residual pressure valve in the system. Drum brakes normally use a 10# unit. |
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| Author: | jsaylor [ Wed Nov 14, 2012 1:28 pm ] |
| Post subject: | Re: Just installed CNC cutting brake |
Brakes are adjusted, as far as the residual valve goes would you install prior to the cutting brake or from the cutting brake, requiring two? could I still have air in the system, and is 10lb enough for pressure bleeding? what are your thoughts on pressure bleeding the cutter? Thanks so much |
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| Author: | turboblue [ Wed Nov 14, 2012 1:49 pm ] |
| Post subject: | Re: Just installed CNC cutting brake |
Install it ahead of the steering brake, you only need 1. What is your bleeding procedure? I have the best luck doing it this way: Takes 2 people to do this obviously. 1. Fill reservoir 3/4 full. 2. Depress foot brake and hold. 3. Crack bleeder screw on brake furthest from master cylinder. 4. While still holding foot brake down, stroke steering brake through all the way and hold. 5. Tighten bleeder screw, release steering brake, (some suggest keeping handle pulled), release foot brake. 6. Repeat until you get a steady stream of fluid, no air, while maintaining fluid level in m/c. 7. Follow same procedure for other side. |
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| Author: | jsaylor [ Wed Nov 14, 2012 5:57 pm ] |
| Post subject: | Re: Just installed CNC cutting brake |
Thanks, sounds good, I'll give it a shot |
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