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Brake Adjustment

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AL

05-28-2002 05:45:49




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I would like to adjust brakes on a 51 8N. I have the service manual. I would like to know where to jack up the tractor and what type of jack to use to raise one wheel off the ground. Also, when trying to tighten the brakes, which direction should the adjusting nut be turned. Tractor acts like it has no brakes, so I will try adjusting first. Any advice would be appreciated.




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Larry 8N75381

05-28-2002 17:07:39




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 Re: Brake Adjustment in reply to AL, 05-28-2002 05:45:49  
Al,

May suggest that first you make sure there is not oil in your brakes. This is a COMMON occurance in the pre '52 8N's. I've got one that I need to clean out.

Unless your tires are loaded, it is easy to take them off. Then the drum comes off by removing four (I think - CRS, 'ya know!) screws.

I have "washed" mine - several times (don't ask!) - with gas and they work fine until oil gets in them again. Wipe all off that you can with a rag/paper towels/etc. first, of course. Let them air dry an hour or so. I some times rough up the surface a little when they are clean with fine sandpaper like a 400 grit, just for good measure.

Some guys will say that the oil penitrates the brake lining and it will NEVER come out. That may be true, but my philosphy is, if they got oily they are probably going to get oily again before they wear out, unless you work hard to be sure the diff. oil is sealed - HARD to do from what I know/have learned from reading the board for 4 years. Get the surface good and clean and for the slow speeds of the N, you will do OK. You should ALWAYS be careful with an N when you are in a situation that needs GOOD brakes - REGARDLESS!

For Tom White...

A brake spoon is an OLD time mechanics tool for adjusting the brakes. They were used a lot when the brakes needed adjusting manually. The brake spoon is sort of like a screw driver without the handle - all steel with a angled blade on each end. I also seem to remember a slight hook in the round portion just before it was flatened out for the blade. On one end the "blade" was angled more that the other end. The different angles allowed the spoon to reach the adjuster from different cars. Some times one would be OK to tighten BUT you would have to use the other end to loosen when you got too tight.

Regards,
Larry

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Scott N Ky

05-28-2002 06:29:55




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 Re: Brake Adjustment in reply to AL, 05-28-2002 05:45:49  
I used a floor jack sitting on Two 6 by 6's with a small section of 2 by 12 on top of that. I forget which way to turn.



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Dell (WA)

05-28-2002 09:58:53




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 Re: Re: Brake Adjustment in reply to Scott N Ky, 05-28-2002 06:29:55  
Adjust with brake spoon grabbing the starwheel low and pull high..... .....Dell



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Can someone translate this - Tom White

05-28-2002 15:39:47




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 Re: Re: Re: Brake Adjustment in reply to Dell (WA), 05-28-2002 09:58:53  

I have never adjusted my brakes, but I thought it was taking a screwdriver to an adjusting screw inside the adjustment hole.

So.....

What is a "brake spoon" or a "star wheel"?



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Tyler (MD)

05-28-2002 18:42:58




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 Re: Re: Re: Re: Brake Adjustment in reply to Can someone translate this - Tom White, 05-28-2002 15:39:47  
third party image

You have the right idea. The brake spoon is substituted with a screwdriver. You put the screwdriver in the slot on the brake backing plate. The tip of the screwdriver will find a low spot in the "star-shaped" adjusting wheel (No. 11 has the star-shaped wheel). You then turn in the direction for tightening or loosening the tension between the brake shoe and the drum. I usually adjust mine to wear it starts to grab. Drive it a bit and feel the drum to make sure it's not hot to the touch. If so, back it off a notch.

Tyman

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Tom-Pa= = = =Uh Dell

05-28-2002 10:25:52




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 Re: Re: Re: Brake Adjustment in reply to Dell (WA), 05-28-2002 09:58:53  
Uh Dell, the Adjuster is vertical,,,I forget the direction and whether the star is hi or lo ...
Got to use my boeing fastener replacement manual...
grins
Tom-Pa



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