Toro 724 - 38050 - Trying to remove pulley - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 08-03-2016, 10:05 PM Thread Starter
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Toro 724 - 38050 - Trying to remove pulley

I am trying to remove the pulley from a Toro 724 Tecumseh engine.

I have a pulley-puller but I can't tell if there are a couple of bolts that need to be removed first

The pulley has two holes that presumably take some kind of bolt to tighten the pulley onto the shaft.

If you look at the attached pictures, you can see inside those two holes.

Question 1: Is there something inside the holes that needs to come out or are they already empty? I can't really tell what I am looking at.
If there are tiny hex-shaped bolts in there, does anyone know the right size of allen key to use? I don't want to try to force anything until I am sure I don't still have bolts deep in there.

Question 2: Once question 1 is resolved, is it then "simply" a question of using a puller with penetrating fluid and maybe potentially using heat if things are seized on?

Thanks in advance for any hints

Pictures:
https://goo.gl/photos/5Sd2Hn8DZJ6TzoxB7

Last edited by unknown1; 08-03-2016 at 11:42 PM. Reason: allen not alan
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post #2 of 8 Old 08-03-2016, 10:24 PM
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There are definitely allen head screws, you need to remove them first. For the size I'm just guessing 3/16" or 5/32".
It does not look too rusty, but penetrating spray always help. Spray on it let it soak, remove the lock screws (you only need to loosen them out a few turns, not full removal), set the puller and it may likely come out.

Good luck with it, let us know how it works out.
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post #3 of 8 Old 08-03-2016, 10:29 PM Thread Starter
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Just answered Q1

Yes there were bolts in there. (photos added to previous album)

5/32 allen wrench did the trick

Last edited by unknown1; 08-03-2016 at 11:43 PM. Reason: allen not alan
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post #4 of 8 Old 08-03-2016, 11:27 PM
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If the screws are out, spray some penetrating fluid in between the pulley and the shaft, let it soak for a while, set the puller and off it may come.
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post #5 of 8 Old 08-03-2016, 11:50 PM
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Heat Pulley Wth Torch if it is Stubborn.
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post #6 of 8 Old 08-04-2016, 12:27 AM Thread Starter
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BINGO!

Took the two screws totally out and used the holes as a path for penetrating oil. Also squirted down the keyway channel from the back and squirted what I could at the front.. not much of a gap at the front to get anything in.

Pretty much destroyed the pulley-puller in the process but finally got the pulley off using the puller and a breaker bar for leverage. (Cheapo Harbor Freight puller).

Final pictures added to the album with the pulley off.

https://goo.gl/photos/5Sd2Hn8DZJ6TzoxB7

Hope this helps the next person.
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post #7 of 8 Old 08-04-2016, 12:39 AM
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Glad to know you got it off.
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post #8 of 8 Old 08-04-2016, 01:14 AM Thread Starter
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One final thought for the next person....

If I was doing this again, I might try leaving the engine fastened onto the snowblower when removing the pulley. You need a lot of leverage on the pulley-puller and that tends to pick up the engine and twirl it around. By leaving it on the machine you'd have a more stable workpiece.

Disadvantage might be that the snow chute and auger bucket get in the way... certainly worth a try though before removing the engine. It's just a few bolts to temporarily remove the chute.

Last edited by unknown1; 08-04-2016 at 01:27 AM.
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