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Thread: Belt adjusting nut
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21st November 2008, 07:15 PM #1Product designer retired
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Belt adjusting nut
Instead of my Hercus having a BELT ADJUSTING NUT, it has two threaded collars, one on top of the other.
Attached are a couple of pictures of the area in question.
I reckon these collars might be a foreign addition, perhaps the original nut was lost.
Anything is possible in the hands of Tech school kids.
Q1. If you reckon I'm right, would a kind member post a hand sketch so I can draw up the proper adjusting nut.
Q2. Is the nut painted or unpainted, machined or cast?
According to my parts manual, it is part No. M119.
Ken
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21st November 2008 07:15 PM # ADSGoogle Adsense Advertisement
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21st November 2008, 07:53 PM #2GOLD MEMBER
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Ken everything above the heavy washer shouldnt be there,the adjusting nut is painted and it is also cast.
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21st November 2008, 09:10 PM #3Senior Member
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Mine look like the one in the pic. Hopefully it's not too small. My lathes not the AR version but I assume they are all the same. I can measure it up for you tomorrow if you want.
Peter
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22nd November 2008, 12:21 AM #4Product designer retired
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Belt adjusting nut
Thanks fella's for your input.
A nice detailed sketch would be appreciated.
Ken
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22nd November 2008, 12:26 AM #5
There is a chance that I may have one of these nuts sitting out in the yard as I have one of those belt tension jig as shown in your second pic, sitting here that is scrap to me, if it's there you can have the knob for the cost of postage or you can come for a drive here and pinch the whole thing
Cheers
DJ
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22nd November 2008, 12:39 AM #6Senior Member
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Ken. Let me know if you still need the drawing and I'll hack something up in Autocad compatible format for you.
Peter
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22nd November 2008, 12:40 AM #7Product designer retired
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Belt adjusting nut
Hi DJ,
I appreciate your offer, let's hope you have a spare.
East Warburton is just up the hill from Heidelberg.
Ken
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22nd November 2008, 12:43 AM #8Product designer retired
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Hi Peter,
Hang five, DJ might have a spare out in the yard. Will let you know.
Ken
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22nd November 2008, 12:55 AM #9
Will have a look for it when I get up later this morning
Cheers
DJ
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22nd November 2008, 01:00 AM #10Senior Member
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The missing nut or are we all here ??????
Hi Ken, My Hercus has a cast nut that has serations for gripping on
But I think yours is a bit differrent to my setup and as it it is 12.56 am Saturday Morning and very cold outside I will look tommorow
Or if need be I can go down to Newmac and look at one of their Hercus 9" Kermit green ex School lathes
so I will get back to you about the nut or the casting
all the best derek bitza500
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22nd November 2008, 08:48 AM #11
Hi Ken
I am at work so I cant take a pic and measurements but I have these pics to give you a idea. When I get home Ill measure it up as best as I can. No cad drawing though sorry. I luv how you have a white background on your pics Ken. The parts look sensational. I see you started a show your lathe post , Ill be in!Last edited by footz; 22nd November 2008 at 09:02 AM. Reason: edit
Cheers
Gene
Holden Hill Crash Repairs
607 North East Road
Gilles Plains South Australia 5086
(08) 8261-3979
[email protected]
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22nd November 2008, 11:34 AM #12
Just been out to the shed and had a look and it looks like you're in luck Ken
Measured the thread on the shaft and I assuming that it's imperial rather than metric as I didn't measure the TPI, anyway it appears to be 7/16" and as you'll see from the following pictures it appears to be the same Nut as footz's from the previous post.
Whole assembly is slightly different than the one you pictured though.
Attachment 89351 Attachment 89352Cheers
DJ
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22nd November 2008, 12:06 PM #13
Ok the gene method of cad work?
The hands aint mine though got my daughter to hold them (well thats what I am saying LOL)
The item in the above post from DJ appears the same grab it hehehCheers
Gene
Holden Hill Crash Repairs
607 North East Road
Gilles Plains South Australia 5086
(08) 8261-3979
[email protected]
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22nd November 2008, 12:15 PM #14
And some more pics the depression is 5.42 mm deep
Hope this is not too silly Ken but easiest way for me to do it LOL
And no I wish my hands did look like that!Cheers
Gene
Holden Hill Crash Repairs
607 North East Road
Gilles Plains South Australia 5086
(08) 8261-3979
[email protected]
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22nd November 2008, 04:46 PM #15Product designer retired
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DJ,
Guess I'm lucky, your offer will save me having to make one. Derek has offered to pick it up from you. Reckon he just wants to get out of the house for a while, I'll say no more.
Gene, how do you keep your hands looking so clean and young looking?...........just kiddin.
Thanks for the "CAD" pictures, a nice touch. I'm hopeless at taking pictures, and ask my son to do it. The back ground is an old sheet or large sheet of paper and generally shot outdoors. Pictures are cropped and re-sized in Photoshop CS.
Much of the resolution and clarity is lost when reduced to 800x600, which is a pity.
Ken
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