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Mystery pulley

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Greg-N-CA

04-15-2008 05:16:19

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Hugh & Pete,

The pulley is a standard single groove pulley, I used a seal driver plate form a driver set for diesel trucks (in a past life I serviced large trucks). The plate fit perfect for pushing the pulley on the crankshaft.

Pete, I answered your questions back on our previous post(s).

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Owen Aaland

04-16-2008 09:59:29

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Re: Mystery pulley in reply to Greg-N-CA, 04-15-2008 05:16:19

That pulley install set up looks nice but it would really make me nervous to use it. I have seen crankshafts break between the first and second rod journals when the pulley is installed like that. If you are going to install the pulley cold you need to support the crankshaft behind the front main journal or else you stress the crankshaft all the way back to the thrust bearing.

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P and R Pete

04-15-2008 08:33:41

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Re: Mystery pulley in reply to Greg-N-CA, 04-15-2008 05:16:19

Thanks Greg!
I saw it on the other post. It was the first thing I did this morning. LOL
I saved both of your excellent pics too. Handy references! I"ll have one of those rigs in my near future. Any reason why you went with the threaded rod rather than a bottle jack?

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Greg-N-CA

04-15-2008 09:22:57

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Re: Mystery pulley in reply to P and R Pete, 04-15-2008 08:33:41

I have a 10 Ton puller/pusher set that I borrowed the rod from, it was handy and easy.

We started assembling parts and cleaning other pieces to paint this weekend, busy, busy.

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GordoSD

04-15-2008 11:56:51

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Re: Mystery pulley in reply to Greg-N-CA, 04-15-2008 09:22:57

Are you priming those pieces prior to painting them? I'm sure you know that without sandblasting you will never get all that rust off that tractor.
You will have to sand/grind/brush and then treat with Metal-Prep, and then use an epoxy primer if you want your paint to stay nice. Otherwise you will get "rust bubbling up" underneath.

Gordo

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GordoSD

04-15-2008 11:56:23

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Re: Mystery pulley in reply to Greg-N-CA, 04-15-2008 09:22:57

Gordo

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Greg-N-ca

04-15-2008 12:16:38

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Re: Mystery pulley in reply to GordoSD, 04-15-2008 11:56:23

Yes I am. I'm treating everything with metal prep and brushing/grinding/sanding all the rust off before sealing, priming, and painting the tractor. I spent most of last night prepping the front end assembly and other various parts of the tractor.

I really didn't want to sand blast and fill every crack and cranny with sand. I ran all the parts in an electrolysis tank to get the deep rust off, what you are seeing here is primarily surface rust from wintering over in the barn.

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charles todd

04-15-2008 05:56:06

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Re: Mystery pulley in reply to Glynn Moore, 04-15-2008 05:16:19

I am going to say this again (replied to the SA post), nice job on fabricating the installer. I just cannot imagine that if it is all clean that it requires that kind of force. Or it may be I will have an awakening when I decide to finally tear into my diesel and rebuild... One day... Good job.

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ih560

04-16-2008 10:10:33

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Re: Mystery pulley in reply to charles todd, 04-15-2008 05:56:06

charles todd said: (quoted from post at 05:56:06 04/15/08)
I am going to say this again (replied to the SA post), nice job on fabricating the installer. I just cannot imagine that if it is all clean that it requires that kind of force. Or it may be I will have an awakening when I decide to finally tear into my diesel and rebuild... One day... Good job.

I have worked on these tractors a lot and sometimes that crankshaft pulley has had set screws in them. I know that this is not factory but it sure made it easy to work on.I just loosened the set screws and easily pulled it off and then tap it back on when done and tighten the set screws. I might have a picture here somewhere, the set screws as I call them are actually 5/16 NFT bolts and some of these tractors have been this way since the 50's. Apparently there was a mechanic around here that didn't like how they were originally designed.

Just thought I would share.

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Greg-N-CA

04-15-2008 07:02:05

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Re: Mystery pulley in reply to charles todd, 04-15-2008 05:56:06

It was a rather smug fit. The crank and pulley were spotless and no burrs. It pushed on rather easy until about half way on, that's when things got tight. I'm satisfied with the installation.

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