Brushbull Question

   / Brushbull Question #1  

bubbu55

Silver Member
Joined
Aug 13, 2012
Messages
122
Location
North Creek N.Y.
Tractor
Kioti CK35 HST
I have a Woods Brushbull 60. It's about 10 years old and the question I have is that should the blades be able to move around freely? I put new blades on and they are tight on the stump jumper. So I took them off and using a small grinder I ground off around the area where the blades sit, also put on Never-seize where the blades attach to unit. I put blades back on and they are still tight. I thought they should move around freely. Maybe I should replace the bolts. Anybody experience the same issue? Thanks
 
   / Brushbull Question #2  
If you mean by "move freely" that they should pivot on the bolt of the arm yes. If you mean the arm should pivot on the stump jumper attach point I can tell you that on my BB720 they do not and by the design of mine they won't. The outer arm does pivot and should as that is a method of reducing the shock if it hits something too hard. along with the clutch .
Do you have a picture of the attach point you are referencing to clarify which point it is. The inner or outer arm?
 
   / Brushbull Question
  • Thread Starter
#4  
They don't move freely when I tighten the bolt. I should be able to move the blades by hand when they are attached. If I took a small hammer and hit the blade they will move, but not easily. I think I should replace the bolts because it has been beaten up over the years. The attachment point is where the bolt goes directly through the round stump jumper that rotates the blade. At least I think that's the stump jumper.
 
   / Brushbull Question #5  
If the blades straighten out when the cutter is up to operating speed I wouldn't worry about it. If they don't straighten out and cause an imbalance and shake they are too tight.
 
   / Brushbull Question
  • Thread Starter
#6  
I think I remember when it was new, the blades, when attached I could move freely by hand. I know that they are not to tight because it calls for 400 ft. lbs. of torque and I know it's not that tight. It does have a shear bolt to protect it but I seem to think that those blades should rotate on the shoulder of the bolts freely. Like I said, the unit is about 10 years old and it's a BB60.
 
   / Brushbull Question #7  
Yes they should rotate freely. Replace the bolts.
 
   / Brushbull Question
  • Thread Starter
#8  
I will, I do think that's the problem. Thanks everybody. I'll let you know how I make out.
 
   / Brushbull Question
  • Thread Starter
#9  
Any recommendations where to get best deal on bolts. More concerned about quality than price.
 
 
 
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