Trying to remove scraper bar - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 09-02-2015, 09:50 PM Thread Starter
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Trying to remove scraper bar

I have a older 835 Gilson that I am trying to remove the scraper bar. The bolt heads are flat and even with penetrating oil, I cant get the nuts off without turning the bolts while I turn the wrench. Nothing to grab onto as far as the bolt (as they are flat). Any tricks that I might try? Also, should the bar be on the inside or outside of the Auger box? This one has it on the outside, but I have seen other makes and models the other way around.

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Art
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post #2 of 8 Old 09-02-2015, 10:06 PM
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Usually they are carriage bolts and heavily rusted on and ground down. I generally cut them off as new ones are cheap and easy to get at any hardware store. Be careful trying to unscrew them as they might be twisting the square holes in the frame and stripping them out.

I bought one of those cheap $15 Harbor Freight angle grinders and a cheap pack of discs for it. Some of the best money I have ever spent.

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post #3 of 8 Old 09-02-2015, 10:06 PM
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angle grinder with a cutoff disc, 11.99 at hft with 20% coupon plus another 8 bucks or so for the cutoff wheels.

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post #4 of 8 Old 09-02-2015, 10:08 PM
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Hah, 3 posts all with the same time stamp and all with the same solution.

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post #5 of 8 Old 09-02-2015, 10:08 PM
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For the nuts issue, if you have the room, cut the nut and bolt right in the midle, the nut will split and the bolt would come off (you can use a saw or a cut-off tool). If this does not work, grind the remaining part of the head of the bolt and it will come apart. Or you can drill the center of the head of the bolt to the size of the threaded part of the bolt and it will come apart.
I've seen all scraper bars on the front side of the housing.
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post #6 of 8 Old 09-03-2015, 04:03 AM
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The grinder :Heavy Duty 4-1/2" Angle Grinder

Or . . . you can use a hacksaw if you have one laying around to cut the nuts in half too.

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post #7 of 8 Old 09-04-2015, 07:46 AM
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Your 835 circa 1967-69 will be a tough customer.

If you want to try to salvage the originals here is what I do:
1) Spray with Kroil, PB Blaster etc.
2) Use a disc grinder to remove the protruding bolt, this will eliminate the buggered up threads.
3) More penetrating lubricant
4) Clamp the bolt with a pair of special pliers
Trying to remove scraper bar-p1050755.jpg
Trying to remove scraper bar-p1050757.jpg
5) Remove with a 6 point socket on a ratchet or impact wrench
6) If that does not do the trick then blow it away with a grinder, cold chisel or air hammer.
7) Some will be held firmly but will snap rather than unscrew.
8) Heat should help too

Replacements found here.

Pete
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post #8 of 8 Old 09-04-2015, 08:16 PM
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