Toro 824 Model: 38080 (1990) – Traction Assembly Issue - Snowblower Forum : Snow Blower Forums
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post #1 of 20 Old 11-09-2015, 10:50 AM Thread Starter
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Toro 824 Model: 38080 (1990) – Traction Assembly Issue

Hey guys. This is my first post and my first major Snowblower project (besides changing oil & spark plug). I have a 1990 Toro 824 Model: 38080. During the very last storm of 2015 the traction assembly / drive system stopped working completely and suddenly. Not knowing much about these machines I assumed it was a belt or spring that had broken. So I drained the oil & gas, tilted the machine up, opened up the bottom panel and investigated. What I found looked like a sh*t show to my untrained eyes. The belt was not on the traction pulley, but not b/c it was toasted…. It was because the traction pulley had completely sheared off the main axle. The traction pulley was now 2 pieces instead of 1. The “Pillow Block” bearing was mangled as well as the other bearing at the back of the machine. The reverse plate was also detached and flopping around. Grease with metal shavings everywhere.

I managed to overhaul the entire traction assembly, broken pulley system and friction plate assembly. Cleaned everything. I took the traction pulley to a welding shop for reattachment to avoid paying $180 + S&H for a new one. The welder did a fantastic job BTW. I somehow managed to reassemble the entire assembly with new bearings and new traction/auger belts. After reassembly the shift lever felt very loose. When I engage 1/2/3 gears at the lever the friction wheel is not contacting the traction pulley which means I still don’t have a working drive system. I read some more in a service manual and adjusted the shifting rods/clevis’s. The shifter definitely firmed up but I’m still not getting the friction wheel to contact the traction pulley. The friction wheel assembly is moving back and forth when I shift, but there doesn’t seem to be enough tension for the forward drive mode. Reverse feels fine. Any suggestions?
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post #2 of 20 Old 11-09-2015, 11:17 AM
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Is this your setup?

Toro 38080 (824) - Toro 824 Snowthrower (SN: 0000001 - 0999999) (1990) TRACTION ASSEMBLY Diagram and Parts List | PartsTree.com

Joe

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post #3 of 20 Old 11-09-2015, 11:44 AM Thread Starter
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Yes, that's the exact setup that I ordered parts from @ PartsTree. My Serial Number and model 38080 helped me determine the year of 1990. When I dug into PartsTree, all the diagrams, motor model all matched. I bought the machine used so I had to research a bit to find my model year of 1990.

I have a fair amount of pictures but it looks like a have to upload them to a 3rd party site first....before I can post here.
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post #4 of 20 Old 11-09-2015, 12:03 PM Thread Starter
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Here are some pictures:

#1525 = The mess
#1529 = The mess cont.
#2012 = Busted Pulley
#2010 = Cleaned and empty traction case
#2061 = Welded Traction pulley system reinstalled
#2062 = Completed re-installation of traction system

Keep in mind, I'm a super novice on this stuff. Don't assume I know what I'm doing here...
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post #5 of 20 Old 11-09-2015, 01:47 PM
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ts8169.
Is spring #13 in the parts diagram attached to the pivot shaft bracket and the little hole in the frame? Can you push the gear lever far enough forward to make the friction plate engage the drive pulley?
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Toro 8/24 (38080) 1989
Toro 421-QZE (38585) 2008 (Gone)
Toro 721-QZR (38741) 2015 (Hemi Predator Power)

Experience is something you don't get until just after you need it.
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post #6 of 20 Old 11-09-2015, 02:15 PM
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Did you put everthing back together right???? I am just asking. because sometimes the pics that are posted. I have trouble understanding. if I am not looking at it in living color. BROTHER GRUNT is the man to ask when it comes to those TORO'S. anyhoo ALOHA from the paradise city.

Long LIVE THE POWERSHIFT!! MAY IT NEVER RUST IN PEACE!!
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post #7 of 20 Old 11-09-2015, 02:20 PM Thread Starter
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Yes, Spring #13 in the parts diagram is attached to the pivot shaft bracket and the frame. I researched this online to make sure I attached correctly as I forgot to take a picture before dis-assembly. It also appears to be in very good condition. Was a PIA to attach / re-attach BTW.

At the handlebar, I have full range of motion with the shift lever. It was too loose initially before I adjusted the rods. Got firmer after rod/clevis adjustment. Inside the case I have not tried to manually move the friction wheel towards the drive pulley to make contact so I'm not sure if that range of motion exists. I'll try that tonight. Thanks a lot for that idea.

The shoulder bolts, part #42, are wrenched tight yet there's still a gap between the bolt and case which causes the assembly to wiggle around a bit. Thought maybe I screwed something up here, but I think that allows for rotation.

Did I put everything back together right? HaH, yah, I thought so.... i guess that's now the question. Did I really....? I never dis-assembled the friction wheel assembly/ pivot shaft bracket, so that's not my issue.

Last edited by ts8169; 11-09-2015 at 02:25 PM.
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post #8 of 20 Old 11-09-2015, 02:20 PM
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ts8169, do you have the Toro two stage service manual or just the owners manual? Here is a link to the actual Toro service manual that covers multiple models so just pay attention to the 38080 instructions.
Thank you Shryp.

http://shryp.ashendust.com/Snowblowers/2stagdrv.pdf

Toro 8/24 (38080) 1989
Toro 421-QZE (38585) 2008 (Gone)
Toro 721-QZR (38741) 2015 (Hemi Predator Power)

Experience is something you don't get until just after you need it.
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post #9 of 20 Old 11-09-2015, 02:25 PM
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Quote:
Originally Posted by ts8169 View Post
The shoulder bolts, part #42, are wrenched tight yet there's still a gap between the bolt and case which causes the assembly to wiggle around a bit. Thought maybe I screwed something up here, but I think that allows for rotation.
You are correct, they are shoulder bolts which allow the assembly to pivot without binding. I have the same machine, so I can open mine up and look at what may need adjusting to make yours work if need be.

Another thought, is the gear shift handle tight against the neutral slot because of spring tension or does it just sort of rest there? It should be tight.

Toro 8/24 (38080) 1989
Toro 421-QZE (38585) 2008 (Gone)
Toro 721-QZR (38741) 2015 (Hemi Predator Power)

Experience is something you don't get until just after you need it.

Last edited by Grunt; 11-09-2015 at 02:31 PM. Reason: Add after thought.
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post #10 of 20 Old 11-09-2015, 02:31 PM
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Quote:
Originally Posted by ts8169 View Post
Yes, Spring #13 in the parts diagram is attached to the pivot shaft bracket and the frame. I researched this online to make sure I attached correctly as I forgot to take a picture before dis-assembly. It also appears to be in very good condition. Was a PIA to attach / re-attach BTW.

At the handlebar, I have full range of motion with the shift lever. It was too loose initially before I adjusted the rods. Got firmer after rod/clevis adjustment. Inside the case I have not tried to manually move the friction wheel towards the drive pulley to make contact so I'm not sure if that range of motion exists. I'll try that tonight. Thanks a lot for that idea.

The shoulder bolts, part #42, are wrenched tight yet there's still a gap between the bolt and case which causes the assembly to wiggle around a bit. Thought maybe I screwed something up here, but I think that allows for rotation.

Did I put everything back together right? HaH, yah, I thought so.... i guess that's now the question. Did I really....? I never dis-assembled the friction wheel assembly/ pivot shaft bracket, so that's not my issue.
post a vid. or pm me for my e-mail.

Long LIVE THE POWERSHIFT!! MAY IT NEVER RUST IN PEACE!!
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MAHALO!!!!!!!!!
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