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Old 04-27-2019, 08:42 AM   #1
hoffernsp
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Default 1951 Merc front brake plates

Ready to put new shoes on the front and noticed that a couple of the rub nubs are worn and one has a burr on the outside edge. Can these still be used?
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Old 04-27-2019, 11:20 AM   #2
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Default Re: 1951 Merc front brake plates

The new shoes can hang up on those wear grooves.

You need to build up the worn spots and grooves with weld and then grind them flat.
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Old 04-27-2019, 05:16 PM   #3
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Default Re: 1951 Merc front brake plates

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The new shoes can hang up on those wear grooves.

You need to build up the worn spots and grooves with weld and then grind them flat.
Thanks I have a mig welder that should be able to do that. Also where is a good source for these if the welding does not work out?
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Old 04-27-2019, 05:38 PM   #4
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Default Re: 1951 Merc front brake plates

Welding it up should work fine.
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Old 04-27-2019, 06:14 PM   #5
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Default Re: 1951 Merc front brake plates

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Welding it up should work fine.
Thanks is there a way I can send you a pic to look at?
Also I went back to my OLD messages and found one that I had sent you re your 39 Ford St'd and that I had one as well. Do you still have yours?
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Old 04-27-2019, 06:21 PM   #6
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Default Re: 1951 Merc front brake plates

I have a 38 std, not a 39, sorry if that got confused somewhere along the line. Backing plates are fairly heavy metal and easy to weld on. But you are more than welcome to send a photo if you wish, jseery@ymail.com
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Old 04-27-2019, 06:34 PM   #7
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Default Re: 1951 Merc front brake plates

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Thanks I have a mig welder that should be able to do that. Also where is a good source for these if the welding does not work out?
I've welded tons of plates since the '60s, never found a case it not to work.

Should be no problem; but if you do not feel comfortable with the process, send them my way and I'll take care of it for you.
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Old 04-27-2019, 06:42 PM   #8
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Default Re: 1951 Merc front brake plates

thats a good offer rich, can i send a couple cars over to you and jeff? all kidding aside, its easy job, and i dont think you will find any new ones, and old junk yards are getting scarce, and then its a merc besides, better plan on fixing yours
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Old 04-27-2019, 06:59 PM   #9
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Default Re: 1951 Merc front brake plates

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I've welded tons of plates since the '60s, never found a case it not to work.

Should be no problem; but if you do not feel comfortable with the process, send them my way and I'll take care of it for you.
I'll send you some pics. I guess my question is how much "pride" do the rub points need from the base of the inner plate?
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Old 04-27-2019, 07:04 PM   #10
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Default Re: 1951 Merc front brake plates

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I'll send you some pics. I guess my question is how much "pride" do the rub points need from the base of the inner plate?
The wear is usually toward the outer edge of the pads, never seen any wore bad enough to loose all the original surface.
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Old 04-27-2019, 08:14 PM   #11
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Default Re: 1951 Merc front brake plates

I will post the photo Keith sent to me, little difficult to see much.
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File Type: jpg photo.JPG (132.6 KB, 69 views)
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Old 04-27-2019, 09:32 PM   #12
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Default Re: 1951 Merc front brake plates

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Old 04-27-2019, 09:34 PM   #13
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Default Re: 1951 Merc front brake plates

just like rich said, only worn on the outside. quick fix
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Old 04-27-2019, 09:42 PM   #14
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Default Re: 1951 Merc front brake plates

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I'll send you some pics. I guess my question is how much "pride" do the rub points need from the base of the inner plate?
No "pride", just flush with the inboard original surface.
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Old 04-28-2019, 08:59 AM   #15
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Default Re: 1951 Merc front brake plates

This is one of those things that I use brass on. The brazed area seems to last longer than the original steel.
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Old 04-28-2019, 09:43 AM   #16
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Default Re: 1951 Merc front brake plates

Easy fix but if you want an complete front brake assembly,including drums as a spare, I have the ones off my 51 Merc.
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Old 04-28-2019, 10:10 AM   #17
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Default Re: 1951 Merc front brake plates

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This is one of those things that I use brass on. The brazed area seems to last longer than the original steel.
Fixed mine using Stellite weld rod to virtually eliminate possibility of wear.
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Old 04-28-2019, 05:40 PM   #18
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Default Re: 1951 Merc front brake plates

Who knows how many years these old car have gone without any lubriplate being applied to those pads. Shade tree mechanics seldom ever applied anything to them when performing a brake job.
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Old 04-28-2019, 06:25 PM   #19
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Default Re: 1951 Merc front brake plates

New photo to post for Keith. Appears to me there is a fairly small area that needs addressed (welded in and dressed down) right where the edge of the brake shoe rides.
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File Type: jpg 51 Merc back plate.jpg (53.4 KB, 11 views)
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