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trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Deere 826 ID and low tossing distance.
Original Message   Jan 17, 2011 11:47 am
   Picked up a Deere 826 yesterday.  The thing crapped out during the last storm with a brunt belt and the guy hurt is back shoveling so it got the boot. 

   Nice old buzzard rig but I can't find anything on it at the Deere site.  Anyone know where I can an exploded view?  I tried the usual places that have them and nothing on this one.   It's ID plate has P826J, 127489.  If I google P826J I get new models.  Nothing on the other number.

   The thing works fine after a belt replacement but it only tosses 3 - 8 feet with lots of low splatter.  I tried a few different belt sizes and tensions, and even over tight to insure no slip.  I can't see any slip with the cover off.  It has good grab, no crud in the V's, no obstruction in the housing.  It does have quite a distance from the arms to the lining, 1/2 inch.  The impleller is a 4 blade 12 inch and it should toss fairly well, 15-25. 

   Does anyone have this model and could tell me what it tosses like?  I can't see any problems so guess it's a design problem but at 3-8 feet hard to imagine they could make something that bad. 

   The motor certainly is not the problem, a Briggs Intek Snow 11hp a couple of years old.  I can drive into any condition snow and toss the same distance without engine sag.  Very impressive.  Anyone have a URL to an exploded view on the engine?  I can find one so I assume it a special for some maker.  It's got a 3/4 shaft.  3BSXS 3422HT 275387.  I can't get anything found at the Briggs site.  Googling I get 275385 which is a 10hp but nothing for 275487.  There are lots of hits for 3BXSX 3422HT but no motor like this.

This message was modified Jan 17, 2011 by trouts2
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Dr_Woof


Don't blow into the wind, and don't eat yellow snow. WOOF!

Location: Saskatchewan
Joined: Dec 13, 2010
Points: 253

Re: Deere 826 ID and low tossing distance.
Reply #16   Jan 25, 2011 10:21 am
I have a John Deere 826 that I bought new in 1982.  Model P826H, S/N  101665.  Looks a lot like yours except it Has the H80 Snowking engine.   It doesn't blow snow as far as the new Honda, but goes a lot farther than 8 feet.  I did have problems twice with lack of throwing distance and here is how I fixed them:  (1) about  4 years ago I found that the bearing bushing hole that the impeller shaft rides in had worn into an oval shape so that  when activating the auger drive control (this just tightens the belt) the auger shaft moved up in the bearing and never could get proper tension on it.  Replaced the bushing (and all the others while I was at it) and all was good.   And then (2)  Earlier this winter the throwing distance dropped to what you are seeing - snow just dribbling outa the chute.   Had put a new belt on it last year and looks like it has stretched.  Easy fix this time - just tightened up the ball linkage a few truns to the specs in the repair manual and this fixed the problem.  Took a few tries to get it just right and this appears to be a sensitive adjustment:  too loose and the impeller still turns but it won't throw snow, too tight and you'll get a sore wrist forcing the drive control up and probably be replacing bushings again sometime soon.  All told, this has been a good blower for me.  Not as good as the new Honda tracker, but certainly better than the new JD 1330SE that I tried earlier this year.  I still use it when conditions don't require the Honda.

ahw2698


Joined: Jan 17, 2011
Points: 6

Re: Deere 826 ID and low tossing distance.
Reply #17   Jan 31, 2011 9:35 pm
I just finished installing a Clarence Impeller Kit on my John Deere 826. We are supposed to get snow tomorrow and Weds. so I should have ample opportunity to test it out.

I ran it for a while tonight  just to "break in"  the rubber onto the housing and that went fine.

jrtrebor


Location: Michigan - 3 hours north of Chicago on the lake
Joined: Feb 10, 2010
Points: 539

Re: Deere 826 ID and low tossing distance.
Reply #18   Jan 31, 2011 10:58 pm
If you have a 1/2" space between the impeller blade tips and the housing that is the problem, without question.  Increasing the rpm won't really help that much. The impeller and housing section of a
blower is basically a pump. And without a fairly tight clearance it won't pump well. Not only that,  the impeller is always spinning inside a wad of snow that never leaves the housing.  It's functioning more like a blender than a pump.

 I had an air drill once that had worn vanes.  It would spin really fast and sounded like it was working well until.
You put the drill under a load by putting the drill bit on a piece of steel.  It would barely spin then. All the air that was supposed to be pushing on the vanes to spin the chuck was finding an easier way out by going through the space between the vanes and the housing. I know that is kind of the reverse of how a impeller and housing work but it's a similar principle.

I recently posted a comment from a Ariens tech that I read somewhere else.  He stated that "if the clearance is correct in the housing you should be able to put a dime on the bottom of the housing and the impeller should sweep it up and throw it out the chute". "When the Impeller won't do the same with a quarter it's time to rebuild the impeller blades". 

When I lengthened the blades on my impeller to where I now have 1/16 to 1/8" clearance (the housing isn't perfectly round) it made a noticeable difference in the throw distance and the ability of the blower to blow both snow and slush.  So much so that I no longer carry a clean out tool on the blower.  The chute just never clogs and I can throw pure slush. 
I really think that decreasing the gap or clearance between the impeller blades and housing is the single biggest performance booster that can be made on a blower.  You can't believe the difference until you see it for yourself.   I've also noticed that because the blower is now so much more efficient at expelling all the snow that enters the housing.  That I can reduce the engine speed, use a higher gear and still get the job done with snow depths up to about 4 or 5". It's a wonderful thing!
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: Deere 826 ID and low tossing distance.
Reply #19   Feb 1, 2011 2:23 pm

Jrtrebor:>>If you have a 1/2" space between the impeller blade tips and the housing that is the problem, without question.

 

I agree.   The spacing and the very slow impeller rpm make a big problem.

 

   There are now five people I have heard of that have this style of Deere and have the distance problem.  A guy on another forum put CL’s kit in and is using his but he did not give the improvement over the original short distance.  Reading about his made me think about mine more.  I checked the impeller area again and realized I had ½ on one side and an inch on the other at 180 from the ½. 

   The impeller arms are very small to boot.  With a CL kit it would be good to extend past the flat up onto the curved part of the arm.  If mine got a kit I’d still be away from the barrel on 1/3 of the travel of the impeller.  I think mine has it’s impeller shaft hole slightly off from center.

Shryp


Location: Cleveland, OH
Joined: Jul 26, 2010
Points: 532

Re: Deere 826 ID and low tossing distance.
Reply #20   Feb 1, 2011 2:42 pm
I read it is straight down to 90 degrees out to the side of the chute that matters.  It was said that the rest doesn't matter.
trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: Deere 826 ID and low tossing distance.
Reply #21   Feb 1, 2011 3:24 pm
Sorry Shryp, can you repeat that but differently?

Is that the last quarter of rotation before the chute?

This message was modified Feb 1, 2011 by trouts2
Shryp


Location: Cleveland, OH
Joined: Jul 26, 2010
Points: 532

Re: Deere 826 ID and low tossing distance.
Reply #22   Feb 1, 2011 4:23 pm
Yea, I read somewhere that it is the last quarter of the sweep that really matters.
ahw2698


Joined: Jan 17, 2011
Points: 6

Re: Deere 826 ID and low tossing distance.
Reply #23   Feb 1, 2011 7:10 pm
I got a chance to run my deere 826 today with the kit installed. There was a noticable difference. We had about 5 inches of dry, powdery snow today.

I noticed an improvement of about 25-30% in distance. This is in line with what I have read others are seeing. The real improvement is supposed to happen with the heavy, wet slushy stuff.

Anyway, it has turned the machine from being basically unusable to marginally acceptable. Definately not a good as a modern machine, but OK. My take on it is if you have an old machine that runs good but cannot toss well due to the huge impeller gap, it's worth the money. If you really want to pinch pennies, you could fabricate your own kit.

trouts2




Location: Marlboro MA
Joined: Dec 8, 2007
Points: 1328

Re: Deere 826 ID and low tossing distance.
Reply #24   Feb 1, 2011 7:51 pm
ahw2698 wrote:
I got a chance to run my deere 826 today with the kit installed. There was a noticable difference. We had about 5 inches of dry, powdery snow today.

I noticed an improvement of about 25-30% in distance. This is in line with what I have read others are seeing. The real improvement is supposed to happen with the heavy, wet slushy stuff.

Anyway, it has turned the machine from being basically unusable to marginally acceptable. Definately not a good as a modern machine, but OK. My take on it is if you have an old machine that runs good but cannot toss well due to the huge impeller gap, it's worth the money. If you really want to pinch pennies, you could fabricate your own kit.



That's great and about what I figured.  It would bring it just into acceptable.  If you put a three inch pulley on that it would get it even better.  I tried on mine but without a kit it did not make any difference.   I think the Deere is nice and like the auger clutch allowing a free hand.  It's like the old Ariens machines which are very easy to use.  The Deere seems very well built and mine is clean without rust.  I hate to just have it languish or get the boot for $50.
Bill_H


Location: Maine
Joined: Jan 12, 2008
Points: 354

Re: Deere 826 ID and low tossing distance.
Reply #25   Feb 1, 2011 8:36 pm
trouts2 wrote:
I checked the impeller area again and realized I had ½ on one side and an inch on the other at 180 from the ½. 

   The impeller arms are very small to boot.  With a CL kit it would be good to extend past the flat up onto the curved part of the arm.  If mine got a kit I’d still be away from the barrel on 1/3 of the travel of the impeller.  I think mine has it’s impeller shaft hole slightly off from center.


That sounds like a fun project for a nice summer day. If it's a bearing with a 2 or 3 hole flange, it wouldn't be too hard to move it over 1/4", or even swap out for a flanged bearing.  Maybe there's even a bigger impeller in your parts pile?

Edit to add: Just looked it up in the parts list. 3 hole flange on the bearing, that's good. But it looks like the impeller and shaft are one piece (?), if so, no swapping the impeller. Though it should make it easier to drill for the kit while it's apart.
This message was modified Feb 1, 2011 by Bill_H


Who the hell let all the morning people run things?
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