Shear Pin Removal

[AkBaron]

Now that I got my machine running good, I have a new problem. Is there a trick to removing the shear pins? I have removed the nut and can't get the bolt out. I have tried pulling it out and tried to turn it with no luck. Do you need to tap it out. Don't want to damage anything. Any help would be appreciated.

[DrPcFix]

Not quite sure why you want to remove a shear bolt that isn't broken.  But if you must:  Spray it with your choice of penetrant (CRC, WD40 etc), give it a couple of light taps to get it working its way in there and let it soak overnight.  You should then have no problem knocking them out the next day.  If they've been in there for many years then they certainly will have some corrosion keeping them tightly in their holes.  

Worse case scenario, it just wont come out, then you can always drill them out, after all, they are shear bolts which means that they are made of fairly soft metal.

Just make sure that you continue to use shear bolts.  They are there to keep things from breaking.

My machine is turning 23 this December and I don't think I changed more than two or three in all of these years.  And all of those were from picking up a folded newspaper that was under the snow.

I solved that problem by canceling my NY Times delivery.

[cyclops7]

Squirt a little "3 in 1" oil on the hex bolt under the flange, wait 3 or 4 mins. and turn counterclockwise to remove.  It probably has a little rust on it.  Do not use WD 40 (a very poor grade of penetrating oil and will destroy any "O" rings and rubber it comes in contact with)!

[trouts2]

  It's comon for the pins to develop a bend over time and wedge in the hole slightly.  Usually you can unscrew the nut most of the way and apply some pressure to the nut while unscrewing the other end.  Often it's just enough to help the thread work the bolt out.  

If that does not work then screw the nut back on just far enough to be even with the tip of the bold and with continued not so hard blows work it out.
trouts2

[DrPcFix]

You may want to read the 2000 uses of WD40 as listed on their website.  In particular, look at the very first item.

http://www.wd40.com/files/pdf/wd-40_2042538679.pdf

You may also be interested in seeing the differences between WD40 and 3-IN-ONE.  In particular, you should not that 3-IN-ONE is not a penatrant while WE40 is.

http://www.wd40.com/faqs/#q6

Lastly you may want to read what WD40 is safe on, rubber being one of the items claimed by the manufacturer.

http://www.wd40.com/faqs/#q8

[828C]

Akbaron
Yes  -- you need to tap it out.
I use a punch slightly smaller than the bolt diameter.
It's useful as well, in lining up the hole in the auger and shaft when installing the the new shear pin. There's nothing to damage. TC