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  #1  
Old 01-02-2017, 02:51 PM
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Sprint60 Sprint60 is offline
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Default Snowthrower drive questions

I'm mounting a QA36B on my 147 and naturally it needs work. The cutter bar is worn and needs turned over, no problem but I'll need to replace the mounting bolts, too. Actually wound up grinding three of the seven off.

The chute needs cleaned up so it doesn't catch snow, no trouble there. I'm going to dismount that and smooth up the mating surfaces, too, so it turn more easily.

The gear box has given me pause though. The drive shaft key is a little loose in the small gear. Needs a new key and very probably the shaft too, but I'm reluctant to be heavy handed getting it apart. I've looked in the resources area and haven't been able to turn up a service manual for it. Looking in the wrong place maybe? Also wasn't able to find any threads on either tiller or snow thrower gear box rebuilds (I know they're very similar).

There's a clip holding the gear on the end of the shaft, and the gear would slip off the end no problem, but the shaft is held tight. Is that a pressed in arrangement? Or is it just recalcitrant having been in there who knows how long? So can I just remove that clip and tap the shaft out or is there something I need to know? Edit: I did find a half page of info and a cut-away view in the 1X6/7 service manual.

Also planning to fill it with J-Mech's grease/gear oil mix, but how much? Fill 'er up?

The unit has seen a good deal of use, but the previous owner did appear to know how to use a grease gun and it has been stored out of the weather so it's in fare shape. The bearings all turn smoothly and except for a worn cutting edge and a couple of loose set screws it's usable.
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147 w/Electric Lift - the tractor that says "Ni!"
147 w/no lift at all - the tractor called "WallE"
QA48 deck, 1a tiller with one extension, QA36B snow thrower, QA42 blade
and various other bucketraters, grassenators and dirtavators.
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  #2  
Old 01-02-2017, 03:23 PM
R Bedell R Bedell is offline
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The QA36B was actually designed for the 82 Series Tractors. You can adapt it with some modifications.
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  #3  
Old 01-02-2017, 04:33 PM
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Sprint60 Sprint60 is offline
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Quote:
Originally Posted by R Bedell View Post
The QA36B was actually designed for the 82 Series Tractors. You can adapt it with some modifications.
Thanks for the quick reply; it's already set up for a narrow frame. No worries there, it just needs some tlc.
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147 w/Electric Lift - the tractor that says "Ni!"
147 w/no lift at all - the tractor called "WallE"
QA48 deck, 1a tiller with one extension, QA36B snow thrower, QA42 blade
and various other bucketraters, grassenators and dirtavators.
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  #4  
Old 01-02-2017, 05:12 PM
R Bedell R Bedell is offline
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The only manuals, that I am aware of are two. (A) Parts Manual, and (B) Owners Manual, both of which are in our Tech Library Section (or on-line).
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CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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  #5  
Old 01-02-2017, 08:09 PM
Yosemite Sam Yosemite Sam is offline
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Take the snap ring off of the end of the shaft next to the gear and with a brass drift and hammer try to tap the shaft out.

The shaft may come out of the bearings or the outer bearing will come out with the shaft.

Then you can check the keyways in the shaft and the areas of the shaft where the bearings ride.
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  #6  
Old 01-03-2017, 12:02 AM
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Sprint60 Sprint60 is offline
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Thanks for the procedure Yosemite Sam. I did get it apart. As per usual the part I thought would be hard was easy and the part I thought would be easy was hard. Both shafts came out with some gentle tapping - both outer bearings came out of the housing.

Looks like both shafts are damaged; both on the outside. The input shaft is pretty badly messed up, and the key way appears to be wallowed out on the gear end - it isn't obvious but the key is loose in the slot. It was that slop that I was trying to sort out.

The output shaft is also badly damaged on the output side, and I can't figure out how it can be that way - it's chewed up on the end in front of the u-joint. I thought that would be the simple thing: remove the cotter pin, back out the set screws and slide it off. Nope. I guess to get it off I'm going to have to press out the needle bearings and drive it off through the middle. Open to suggestions on that.

One of the seals in between the bearings was in crooked and the inside seal on the outer bearing was off.

Here's some attempts at photos. Brother, thought this was going to be a simple thing.
Attached Images
File Type: jpg IMG_0751.jpg (33.9 KB, 154 views)
File Type: jpg IMG_0753.jpg (26.8 KB, 154 views)
File Type: jpg IMG_0756.jpg (33.8 KB, 154 views)
__________________
147 w/Electric Lift - the tractor that says "Ni!"
147 w/no lift at all - the tractor called "WallE"
QA48 deck, 1a tiller with one extension, QA36B snow thrower, QA42 blade
and various other bucketraters, grassenators and dirtavators.
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  #7  
Old 07-25-2017, 07:14 PM
Gompers Gompers is offline
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Quote:
Originally Posted by R Bedell View Post
The QA36B was actually designed for the 82 Series Tractors. You can adapt it with some modifications.
Not to be a thread necromancer, but what modifications are needed?

A new pulley on the gear box? Anything else?
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  #8  
Old 07-25-2017, 07:17 PM
R Bedell R Bedell is offline
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The Upper Link Arms need to be the same as the QA42A.
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CC Models: 100, 105, 1450, 782, (2) 784, & 2072

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  #9  
Old 07-25-2017, 07:44 PM
yettrbomb yettrbomb is offline
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Too bad we weren't closer. I just picked up a QA-36 and need to modify it to fit my 1812.
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  #10  
Old 07-25-2017, 09:09 PM
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ol'George ol'George is offline
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Jeff in PA. ( A member here) makes shafts if you need them,
and a very good machinist and honest/fair prices.
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