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Maytag Engine Collectibles Maytag engines, washing machines, mowers and other engine driven tools for the farm.

Maytag Engine Collectibles

Maytag 72 Crankshaft


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  #1  
Old 12-29-2008, 08:44:52 PM
ajs2001tx ajs2001tx is offline
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Default Maytag 72 Crankshaft

How hard is this steel?

In order to fix these threads I am thinking about sqauring off the broken end in the lathe and then drill and tap and put in a stud with a healthy dose of locktite. Anyone try this already?

A new crank is going to be around $100 to my door and my time is worthless (or priceless). So it's worth a try since this crank is useless.

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  #2  
Old 12-29-2008, 08:55:04 PM
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Oilzum Oilzum is offline
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Default Re: Maytag 72 Crankshaft

Seen that fix done several times, seems to work pretty good too. Do you have the broken piece of the crank, I have had success TIG welding the pieces back together.
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Old 12-29-2008, 09:16:47 PM
ajs2001tx ajs2001tx is offline
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Default Re: Maytag 72 Crankshaft

No I don't still have it. That would have made the most sense but it is long gone.

I would like take a TIG class at some point. Can people really weld gum wrapper foil together?
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Old 12-29-2008, 09:23:28 PM
blake in spokane blake in spokane is offline
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Default Re: Maytag 72 Crankshaft

On pump shafts, I've drilled & tap with a little smaller bolt, then built up weld & returned.
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Old 12-29-2008, 10:37:17 PM
Jonathon Schmidt Jonathon Schmidt is offline
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Default Re: Maytag 72 Crankshaft

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Originally Posted by blake in spokane View Post
On pump shafts, I've drilled & tap with a little smaller bolt, then built up weld & returned.
Hey there. What i've been told some are cast and some are steel. I've got one broke flush with the flywheel. I'm going to tap threads in and screw a 3/8 bolt in. good luck John
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Old 12-29-2008, 11:07:19 PM
Pat Barrett Pat Barrett is offline
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Default Re: Maytag 72 Crankshaft

If you've got access to a lathe, those have been repaired many many times drilling them and tapping and using all thread to replace the broken piece. It's an easy fix with the proper equipment.
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Old 12-30-2008, 03:07:43 PM
fire96 fire96 is offline
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Default Re: Maytag 72 Crankshaft

I do not want to send this thread in another direction, but has anyone had any luck trying to straighten a bent shaft on the flywheel end?
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Old 12-30-2008, 04:18:56 PM
grub54891 grub54891 is offline
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Default Re: Maytag 72 Crankshaft

Fire96,
Depend's how and where it's bent.I suppose it's possible but there is the danger of it having an unseen crack,it could break under power and create severe damage or an injury.If it's twisted you'll never get it timed right.I had a buddy that bought an old rider,never could get it right.found out that the previos owner said he straightend the crank.No wonder he sold it!! it was a pos from then on.Tom
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  #9  
Old 12-30-2008, 04:58:10 PM
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Default Re: Maytag 72 Crankshaft

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Originally Posted by fire96 View Post
I do not want to send this thread in another direction, but has anyone had any luck trying to straighten a bent shaft on the flywheel end?
I would tend to believe that this is how the majority of them get broken. Are you sure the crank is bent? I have had bent flywheels that acted like bent cranks on the twins.
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Old 12-30-2008, 05:04:54 PM
fire96 fire96 is offline
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Default Re: Maytag 72 Crankshaft

I took the flywheel off and it is the shaft!!
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