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JimmJ

Name JimmyJ
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Date Joined Feb 25, 2012
Date Last Access Mar 7, 2012 5:12 pm
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Re: Craftsman Snowblower 536.889251 trans doesn't engage
#1   Feb 26, 2012 6:16 pm
Not the bolt, checked that. When I rotate either wheel, the opposite wheel spins with it in the same direction.
Re: Craftsman Snowblower 536.889251 trans doesn't engage
#2   Feb 26, 2012 2:53 pm
Thanks for replying.
The trans is getting power via belt, i don't believe the issue is with linkage or tension.
With the snowblower on wood blocks, wheels raised off the ground,  wheels barely spin and will stop spinning when slight pressure from hand is applied to either wheel.
Belt to trans unit is properly adjusted.
I also disconnected control rod to manually move the lever that is connected to trans unit to rule out adjustment issues.

i hope that clears up what i am trying to describe.


   The speed control rod could be out of adjustment.   The turnbuckle to Shift Yoke length could be out. <--correctly set.

 

   The drive engagement cable could be out of adjustment. <-- It is not.

 

   Are the wheel locks engaged? <-- Yes.

 

   Drive belt pinched by guides?  Upper guide has 1/16 clearance, lower guide 3/16. <-- No, nothing is pinched.  I believe the problem lies within the trans unit.

 

   Can’t tell from the drawings just how the hydro unit gets engaged. <-- Lever on right side for forward and reverse, left handle engages trans drive belt.


   It looks like Control Arm Extension would be the engagement and I think a cable going to the top of the hydro block for speed adjust. <--correctly stated.


  Check both to see if the dash controls are moving the parts on the hydro. <-- They do.

Re: Craftsman Snowblower 536.889251 trans doesn't engage
#3   Feb 25, 2012 7:14 pm
I tipped the blower and opened the only plug I saw and fluid started flowing out.  The plug is about mid-way up the case.
It did look unusual in color, not clear as I was expecting, almost cream in color, but i don't believe that it is water mixed in, as the blower was not exposed to any weather.
No, no odd sounds from it. No fluids leaked, until i pulled the plug out.
Craftsman Snowblower 536.889251 trans doesn't engage
#4   Feb 25, 2012 5:29 pm
I have a 536.889251 Craftsman snowblower with a hydro trans, it won't move forward or reverse.
When blocked up, it spins the wheels very slowly, but they will stop if I apply slight pressure.
Yes, the belt is properly adjusted.
Any ideas?
Thanks,
Jim
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