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Old 01-22-2013, 09:18 PM   #1
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Slide Shear Pin

Can someone describe to me what a broken shear pin sounds like??
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Old 01-22-2013, 09:31 PM   #2
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usually just the motor running without slide movement. sometimes the pin will catch a little and move slightly. Be sure to line up the two shaft pieces before trying to drive the broken pin out.
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Old 01-23-2013, 01:09 PM   #3
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I will second that.. I do it a bit differently when I can, I slide the square shaft off the round shaft and then remove the pin,, Some times, that can be a real job, Had one where none of the tricks I tried would let me get the proper angle.. Then inspriation hit and I grabbed the air chisle with the point tool and the first pop hit it.
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Old 01-23-2013, 01:23 PM   #4
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Joe,

Can't say that I have really ever heard it. Most of the time mine will just not bring the slide in or out. I have one pin that it happens to 95% of the time. I am hoping that I have corrected the issue with my last repair.

I cut the end of the square drive shaft off and redrilled the hole for the shear pin. The hole had become out of round and made free play for the pin. By drilling a new hole I have removed the issue and hopefully fixed the problem.
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Old 01-23-2013, 05:24 PM   #5
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In addition to redrilling the hole you need to make sure there are no THREADS inside the shaft the smooth part of the bolt MUST extend out the hole and washer it up.

(Assumes you have a grade 8 bolt as a shear pin)

If you have roll pins, disregard this.

They could have made 'em better.
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Old 01-23-2013, 05:52 PM   #6
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Wow, grade 8 bolt for shear pin?!? Doesn't that defeat the purpose of a SHEAR pin? All the shear pins that use bolts as the shear protector should use a grade 3 or 4 bolt but I agree that no threads should be concealed in the square and round tubes.
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Old 01-23-2013, 07:53 PM   #7
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The purpose of the shear pin is that it breaks before something expensive breaks. If you are breaking shear pins, something needs lubricating or adjusting.

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Old 01-23-2013, 08:12 PM   #8
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Thanks for all the good info, unfortunately my gear broke a tooth so good news is shear pins are good, bad news is had to order new motor/gear box from Power Gear. Tried to find a picture of money with wings flying out the window.
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Old 01-24-2013, 01:18 PM   #9
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OUCH!!!!!!.

I will say this, Since I switched to longer bolts I have sheared a couple of them.. v/s about a dozen of the shorter ones in the same time frame.
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Old 01-25-2013, 02:00 PM   #10
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Sorry Joe, my flying money picture crashed.

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Old 01-25-2013, 06:48 PM   #11
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Isn't RV ownership a blast.


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Old 01-25-2013, 08:09 PM   #12
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my son had a broken gear he to it to a machine shop in new mexico
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