47" Snowblower Chute Rotation Mod -Revisited

   / 47" Snowblower Chute Rotation Mod -Revisited #11  
I tried this on my 47' snowblower, and yes it did give me more rotation of the chute, unfortunately I also observed that having the cable wrapped around the smaller pulleys also placed more stress on the center pivot pulley, mine actually loosened up twice, even after I had torqued it up good and tight!:( The center pulley has a lot of stress applied to it when the chute is being turned and I could actually see that it was bending the steel plate that it was mounted too. So before it broke that I removed that setup. It seems that the extra wraps of cables rubbing on each other seem to create undue forces that this blower setup is not designed to handle....Thats my 2 cents worth. So if you do this, keep an eye out for this problem. I would like to have a chute rotator system that does not require cable, guess I would have to redesign the bottom of the chute and find some way to rotate the assembly with the hydraulic cylinder:rolleyes:
 
   / 47" Snowblower Chute Rotation Mod -Revisited
  • Thread Starter
#12  
I tried this on my 47' snowblower, and yes it did give me more rotation of the chute, unfortunately I also observed that having the cable wrapped around the smaller pulleys also placed more stress on the center pivot pulley, mine actually loosened up twice, even after I had torqued it up good and tight!:( The center pulley has a lot of stress applied to it when the chute is being turned and I could actually see that it was bending the steel plate that it was mounted too. So before it broke that I removed that setup. It seems that the extra wraps of cables rubbing on each other seem to create undue forces that this blower setup is not designed to handle....Thats my 2 cents worth. So if you do this, keep an eye out for this problem. I would like to have a chute rotator system that does not require cable, guess I would have to redesign the bottom of the chute and find some way to rotate the assembly with the hydraulic cylinder:rolleyes:

It does not take a lot of force to rotate the chute but if you make the cables too tight they work against them selves, if you read my post again you will see that I say to leave some slack.
 
   / 47" Snowblower Chute Rotation Mod -Revisited #13  
perhaps you are right, but I didn't snug up the cable too tightly....and I could still see a lot of stress. Maybe I will try it again on my new 54" blower:) I wonder if you were to replace the small single groove pulley with a double groove pulley of the same diameter, if this would help eleviate some of the cable wear?:confused:
 
   / 47" Snowblower Chute Rotation Mod -Revisited
  • Thread Starter
#14  
perhaps you are right, but I didn't snug up the cable too tightly....and I could still see a lot of stress. Maybe I will try it again on my new 54" blower:) I wonder if you were to replace the small single groove pulley with a double groove pulley of the same diameter, if this would help eleviate some of the cable wear?:confused:

Did you make up new longer cables and run the cable in the pulley and not on the bushing?
 
   / 47" Snowblower Chute Rotation Mod -Revisited #15  
HYDRAULIC CHUTE TURN

this is how I did it
 

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