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Kaboom! Blown Briggs


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#1 Oo-v-oO OFFLINE  

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Posted October 23, 2012 - 08:17 PM

Earlier this summer, a coworker was splitting wood with his splitter when all of a sudden it went BANG and locked up. I steered him toward a Harbor Freight replacement and it works very well, even better than the original Briggs 5 hp.

I told him to bring the old engine in to work if he didn't want it and I'd see if I could scavenge some parts off of it, plus I like to see destruction. He brought it in Monday and tonight I had a chance to strip it down.

In about a minute I had the side cover off and noticed shrapnel in the crankcase. The reason it wouldn't turn over was that the camshaft was doing its best to imitate a smiley face and the gear teeth were crammed into the side of the block. More inspection revealed that the side cover was cracked around the cam bearing, the block was broken around the other cam bearing, the crank was scored, and the piston was broken on the skirt.

About all I could salvage was the recoil (dented from rolling around in the back of his truck or from flying firewood, perhaps), carburetor and gas tank (tank looks like it has been sealed up), cylinder head, spark plug, ignition coil, and flywheel. The rest will go to the scrapyard with the next trip.

Oh, and this engine had one of our older IPC branded #02420871300 seals on the flywheel side of the crank and a very similar one with the FN (for Freudenberg-NOK) logo stamped into the case. Not sure what number that one is - I think they were introduced after that business was sent to one of our other facilities. Neither one was leaking.

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#2 MH81 ONLINE  

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Posted October 23, 2012 - 08:22 PM

Oh My, look at the carnage.

That pic has just enough horror to be shown close to Halloween.

#3 HDWildBill ONLINE  

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Posted October 23, 2012 - 08:46 PM

A while back A friend brought over his power washer with the engine locked up. I steered him to an HF replacement as well and it has been running great ever since. The original engine was a Subaru engine the piston had seized and he didn't want to rebuild it. Actually the replacement cost less then if we had rebuilt it.

#4 Farmlife OFFLINE  

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Posted October 24, 2012 - 04:01 AM

well......he doesn't play around does he?? lol...if yer gonna blow it up.....do as much damage as possible....lol

#5 JDBrian OFFLINE  

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Posted October 24, 2012 - 05:06 AM

Nice!! A flexible cam shaft. What will they think of next! I wonder what caused that mess, low oil, over heating or just old age?

#6 Oo-v-oO OFFLINE  

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Posted October 24, 2012 - 06:08 PM

I think it may have been run low on oil.

#7 bowtiebutler956 OFFLINE  

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Posted October 26, 2012 - 09:23 PM

Very impressive!! :smiley-score010: He managed to destroy the entire engine, all at once! :worshippy1:

Matt

#8 UncleWillie ONLINE  

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Posted October 26, 2012 - 09:29 PM

Well if something is worth doing it is worth doing all the way.

#9 8tyman8 OFFLINE  

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Posted November 15, 2012 - 08:57 PM

Nice!! A flexible cam shaft. What will they think of next! I wonder what caused that mess, low oil, over heating or just old age?

Self advancing spark plugs

:)
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#10 UncleWillie ONLINE  

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Posted November 15, 2012 - 09:08 PM

LOL At some point you really need to buy new parts.

#11 HowardsMF155 ONLINE  

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Posted November 15, 2012 - 10:06 PM

You know......I think that if an engine still runs with the spark plug damaged that way.......Those engine designers must have done a great job designing the engine to run!

#12 JDBrian OFFLINE  

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Posted November 16, 2012 - 06:34 AM

Just spend the 5$ for a new plug. Amazing it would run like that.

#13 GTTinkerer OFFLINE  

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Posted November 16, 2012 - 11:55 AM

Just spend the 5$ for a new plug. Amazing it would run like that.


Brian,
Are you really paying $5 for a spark plug?

If that half of the plug flies out someone could get injured.

Bill

#14 JDBrian OFFLINE  

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Posted November 17, 2012 - 05:19 AM

Brian,
Are you really paying $5 for a spark plug?

If that half of the plug flies out someone could get injured.

Bill


To tell you the truth Bill I don't remember how much I payed for the last one I replaced. Probably less than 5$ for a small engine plug. but the platinum jobs that are in cars these days are more than that.

#15 Reverend Blair OFFLINE  

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Posted November 17, 2012 - 10:54 AM

Woman I know just paid $25.00 a plug ($150 all together) and $200 labour to have them installed. Couple of us are going to have a chat with her "mechanic" next week.




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