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Author Topic: Center pin repair pricing  (Read 2372 times)

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Offline barbender

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Re: Center pin repair pricing
« Reply #20 on: November 10, 2018, 05:29:54 PM »
Hmm. I learned something new👍
Too many irons in the fire

Offline logman81

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Re: Center pin repair pricing
« Reply #21 on: November 10, 2018, 07:02:08 PM »
Anyway I'll be splitting it tomorrow morning and ill.get to see what's up with it.
Precision Firewood & Logging

Offline Flyingpig

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Re: Center pin repair pricing
« Reply #22 on: November 11, 2018, 07:56:55 AM »
It has spherical bearings in the frame? The wear is outside the bearing between it and the frame or between the bearing and the pin? Any clearance outside the bearing means the bore is toast and needs line boring. Those bearings are a slight crush fit. 1/8 of an in is a LOT of clearance. Thats 0.125, pin to bearing clearance when new is only like 2-3 though per inch of bore diameter.

Offline logman81

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Re: Center pin repair pricing
« Reply #23 on: November 11, 2018, 09:10:33 AM »
Yes and wear is in the pins and bushings. The bushing bores are fine I believe I will know exactly what is what later this morning.
Precision Firewood & Logging

Offline logman81

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Re: Center pin repair pricing
« Reply #24 on: November 11, 2018, 10:54:31 AM »
Well everyone its apart! I am actually surprised how good the bores are. The bores are actually a tad small for the new pins so I need a guy to come machine them a thou or two and then all the new parts can go in and back together it goes! I think I got very lucky!
Precision Firewood & Logging

Offline logman81

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Re: Center pin repair pricing
« Reply #25 on: November 11, 2018, 10:56:41 AM »
[img]http://forestryforum.com/gallery/albums/userpics/23822/20181111_103241.jpg?
Precision Firewood & Logging

Offline logman81

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Re: Center pin repair pricing
« Reply #26 on: November 11, 2018, 11:00:00 AM »

Precision Firewood & Logging

Offline Flyingpig

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Re: Center pin repair pricing
« Reply #27 on: November 12, 2018, 08:41:16 AM »
Good call on doing it now, line boring is expensive. Were the bearings missing any pieces or broken? Usually with spherical bearings they break up at the end of their life cycle.

Offline mike_belben

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Re: Center pin repair pricing
« Reply #28 on: November 12, 2018, 09:16:06 AM »
Nice
Revelation 3:20

Offline mike_belben

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Re: Center pin repair pricing
« Reply #29 on: November 12, 2018, 09:22:58 AM »
Btw, i recently stopped at a tractor shop about something and they had a simple angle iron frame in 2 of the bays on the concrete that looked like a basic sawmill bed.  One had screw thread jackstands with roller feet that travelled on the track and the other had a roller carriage with jackstands on it.  There was hold down tabs for strapping anything you wanted in place and an eye for a comalong to winch whichever end you wanted apart.  Absolutely brilliant.  Guy said it made splitting and rejoining a tractor a one hand job.  Just flip the comealong and pall the carriage back.  

Ill build one when i have a shop. 
Revelation 3:20

Offline logman81

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Re: Center pin repair pricing
« Reply #30 on: November 12, 2018, 08:12:30 PM »
No broken bearings and the bores were still very good so I caught it in time. But I have to get the holes to line up everything is tight now and tough to move.
Precision Firewood & Logging

Offline Flyingpig

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Re: Center pin repair pricing
« Reply #31 on: November 13, 2018, 12:14:54 PM »
Thats a good sign! Itll be just like brand new again.

Offline logman81

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Re: Center pin repair pricing
« Reply #32 on: November 13, 2018, 01:05:29 PM »
Yes basically the whole machine has been rebuilt.
Precision Firewood & Logging

Offline logman81

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Re: Center pin repair pricing
« Reply #33 on: Yesterday at 12:23:12 PM »
Any tricks for lining up the holes so I can put the pins in?
Precision Firewood & Logging

Offline mike_belben

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Re: Center pin repair pricing
« Reply #34 on: Yesterday at 04:20:35 PM »
Ratchet straps or chain and binder, chisels or wedges to get things pushed up or down as needed.   Spud wrench or whatever home brewing it takes for drift pinning final alignment.  I grind a generous taper on every pin i can so it becomes a drift of its own.  

Wood makes a decent dowel.  Belt sand a stick to a decent fit by hitting the dark spots wherever it binds.  Knock in wood drift pin then knock it through with the real one.  Cut the wood one off with sawzall every few inches if needed for clearance to remove.
Revelation 3:20


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