2072 near disaster

PaulS · #1 03-29-2015, 05:57 PM

Eric and I have a 2072 that has been repowered by a Command Ch18. We have done a bunch of repairs to it mostly to correct PO shoddy work. When done it ran like a champ. The other week Eric was going to use it to haul wood to his house and shortly after he started it he heard a loud bang and saw something fly out from the back of the engine. It squealed like a pig caught in an electric fence. He quick turned it off and it sat for about two weeks in his woodshed till we got to it. Yesterday we removed the gas tank and firewall. I then took off the flywheel shroud and found a bunch of pieces of something sort of stone metal mix. As I pulled several small pieces out I placed them together and they were attracted to each other. Well we then knew what had happened. After the flywheel removal all our doubts and fears were realized. No magnets were left on the flywheel and the stator was killed. Fortunately only a couple of minor gouges to the engine but the stator was toast and the flywheel was done for also. Yes I know that it did not happen without pics so Eric will arrive shortly with them. I was very tempted to look for used parts to repair but found them a bunch cheaper than CC prices at Upstate Outdoor power Equipment.

EricR · #2 03-29-2015, 06:43 PM

john hall · #3 03-29-2015, 07:06 PM

So what's your guess that caused this? Was something loose or did a large chunk of debris get in there and smack a magnet, maybe a mouse carried in something?

gt383mag · #4 03-29-2015, 08:47 PM

have seen this before in a kohler v twin wonder what causes it

JALLEN · #5 03-29-2015, 09:07 PM

bad glue that is a very common problem JOE ALLEN

J-Mech · #6 03-29-2015, 09:40 PM

Quote:

Originally Posted by JALLEN

bad glue that is a very common problem JOE ALLEN

Yep.....

The adhesive that holds the magnets on doesn't last forever. The magnets come loose and ...... yep.

PaulS · #7 03-29-2015, 10:07 PM

Before we started into the engine I too highly suspected it was either a mouse or squirrel using it for nut storage as it did not have the grass shield on. As far as I can see the only thing in the debris was magnet pieces. It could have been that one magnet left loose and pealed all the rest off and created much havoc. What amazes me was when we finally got it to my garage we tried to start it and it actually started but with more than a bit of grinding noise so we immediately shut it off and disassembled to what you see in the pics.

CubDieselFan · #8 03-30-2015, 10:58 AM

I have 2 tractors with Commands, would it be a good idea to re-glue the magnets or leave them alone? I am thinking it would be OK, as long as one used the correct adhesive.

J-Mech · #9 03-30-2015, 12:30 PM

Quote:

Originally Posted by CubDieselFan

I have 2 tractors with Commands, would it be a good idea to re-glue the magnets or leave them alone? I am thinking it would be OK, as long as one used the correct adhesive.

It is a know problem...... but it's kind of like the exploding governor gear in a KT or a Mag. Not really worth tearing into on a "just in case". If you want to pull the flywheel and see if all the magnets are firmly attached, then that's fine. But if you try and remove them chances are you will break them. Check it out. If they are tight, leave them alone. Even if you re-adhered them that's no guarantee.

CubDieselFan · #10 03-30-2015, 02:14 PM

Quote:

Originally Posted by J-Mech

It is a know problem...... but it's kind of like the exploding governor gear in a KT or a Mag. Not really worth tearing into on a "just in case". If you want to pull the flywheel and see if all the magnets are firmly attached, then that's fine. But if you try and remove them chances are you will break them. Check it out. If they are tight, leave them alone. Even if you re-adhered them that's no guarantee.

That makes sense, thanks,

Greg