Left brake is intermittent.

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LRiddle
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Left brake is intermittent.

Postby LRiddle » Sun Feb 04, 2018 9:59 pm

I was plowing snow today and my left brake went out on me. Sometimes pedal would go down as far as my leg could push it with no braking effect. Other times it would operate as normal with very little pedal travel. The original bands were professionally relined about two years ago so I don't think that's a problem. All the external parts are moving, so the problem must be inside the final. Have any of you dealt with this issue before? I haven't taken anything apart yet and I was hoping to wait until spring in between snow plow and lawn mowing duties unless you guys think it might require immediate attention.
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty



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John *.?-!.* cub owner
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Re: Left brake is intermittent.

Postby John *.?-!.* cub owner » Sun Feb 04, 2018 10:08 pm

The only thing I can think of that would explain what you described would be the set screw not holding the pedal good on the shaft. Do you know if you have the straight pull brake bands (bands have a long rod attached), or the toggle type bands (loop on each end of brake band)?
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LRiddle
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Tiller

Rotary Plow
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Re: Left brake is intermittent.

Postby LRiddle » Sun Feb 04, 2018 10:12 pm

John *.?-!.* cub owner wrote:The only thing I can think of that would explain what you described would be the set screw not holding the pedal good on the shaft. Do you know if you have the straight pull brake bands (bands have a long rod attached), or the toggle type bands (loop on each end of brake band)?


Good question. I should have specified in my post. They are the straight pull kind.
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty



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Glen
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Re: Left brake is intermittent.

Postby Glen » Sun Feb 04, 2018 11:23 pm

Hi,
If all the linkage is moving on the left side, down to the final drive, when you push the brake pedal, the brake drum may have come loose on the shaft, and moved to the side, then the brake band won't be touching the drum anymore.
The setscrew in the brake drum has to be tight to hold the drum in position. If it is loose, the drum could move.
Dale Finch did a post about it in the past. It is in 2 parts.

http://www.farmallcub.com/phpBB2/viewto ... =1&t=78421

http://www.farmallcub.com/phpBB2/viewto ... =1&t=78427

You can look in through the slotted holes with a light, and see where the drum is. It should be centered in the brake band. :)

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LRiddle
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1956 Gravely L

Dozer blade

Tiller

Rotary Plow
Circle of Safety: Y
Location: Tallmadge, OH

Re: Left brake is intermittent.

Postby LRiddle » Fri Feb 09, 2018 12:32 am

So curiosity got the best of me and I decided to have a look at the left brake, and I'm pretty glad I did. I had figured the set screw on the drum had loosened and the drum moved over and off the band, but when I pulled the final I found the drum had actually broke in a few pieces. I'm not sure if the pieces would've got caught up in anything, but I'm glad I didn't have to find out. Luckily I have another final that has a couple implement bolt holes broken off. I was able to swap out drums, a little emery cloth and brake cleaner and I was good to go.

20180209_002259-1612x907.jpg
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty



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Shane Nelson
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Re: Left brake is intermittent.

Postby Shane Nelson » Fri Feb 09, 2018 6:31 am

Catastrophic brake drum failure, you win that one :lol:
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Re: Left brake is intermittent.

Postby Urbish » Fri Feb 09, 2018 7:08 am

Ouch. Your brake breaked. Sounds like you have it all in order and glad you didn't wait to diagnose.

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LRiddle
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1951 Farmall Cub - Chesty

Woods 59 belly mower

54A blade

1956 Gravely L

Dozer blade

Tiller

Rotary Plow
Circle of Safety: Y
Location: Tallmadge, OH

Re: Left brake is intermittent.

Postby LRiddle » Fri Feb 09, 2018 7:30 am

Shane Nelson wrote:Catastrophic brake drum failure, you win that one :lol:


Lol. Yeah, that was the last thing i was expecting to see. I must have a heavy foot or something. Looks like a good repair challenge for you.
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty



"You can't believe everything you read on the internet." - Abraham Lincoln


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Shane Nelson
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1972 Schramm Pneumatractor
1993 Ford 4630 W/Loader
1965 John Deere 110
1961 Cub Cadet Original
Circle of Safety: Y
Location: Oak Ridge, N.C.

Re: Left brake is intermittent.

Postby Shane Nelson » Fri Feb 09, 2018 7:39 am

LRiddle wrote:
Shane Nelson wrote:Catastrophic brake drum failure, you win that one :lol:


Lol. Yeah, that was the last thing i was expecting to see. I must have a heavy foot or something. Looks like a good repair challenge for you.

Easier to make a new one :D The good news is your set screw looks great!
God is good, all the time!
Every home is a school, what are you teaching?
Make prayer a 1st priority, instead of a last resort.
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John *.?-!.* cub owner
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Re: Left brake is intermittent.

Postby John *.?-!.* cub owner » Fri Feb 09, 2018 8:17 pm

I had that happen on one of mine several years ago, but it did not have intermittent braking, it had no braking on that wheel.
brake drum 1.jpg
brake drum 2.jpg
If you are not part of the solution,
you are part of the problem!!!

User avatar
LRiddle
Cub Star!!
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Posts: 487
Joined: Wed Mar 02, 2016 11:57 am
Zip Code: 44278
Tractors Owned: .
1951 Farmall Cub - Chesty

Woods 59 belly mower

54A blade

1956 Gravely L

Dozer blade

Tiller

Rotary Plow
Circle of Safety: Y
Location: Tallmadge, OH

Re: Left brake is intermittent.

Postby LRiddle » Fri Feb 09, 2018 8:21 pm

That's interesting, mine was the left side too. I wonder what caused it.
Luke Riddle
Tallmadge, Ohio
1951 Cub - Chesty



"You can't believe everything you read on the internet." - Abraham Lincoln


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