Switching reactor bands on live pto's like 400,450, SMTA

RBTXS

Member
I need to switch positions of the two reactor bands on the rear of the live pto on my tractor. Before he died, my neighbor told me that my reactor bands propiably needed to be switched places when the adjustment had all been used up on the pto drive ban, assuming they hadn't been switched before. Does anyone have any advice about how to remove the rear unit of the pto? I have a 3-pt unit that was added after I bought the tractor. Would it need to be removed to get to the pto? A mechanic at case-ih said he could do the band switch for me if I took out the pto rear unit. Thanks for any advice.
 
Sit down on a 5 gallon pail behind the tractor and take a good long hard look with the PTO shaft at eye level. If any of the 3pt mechanism blocks your view of the PTO unit, then the 3pt mechanism will need to be removed.

Removing the unit is as simple as disconnecting the linkage, then removing the bolts and sliding it out. However, if you do that you will end up with several gallons of oil on the ground, UNLESS you drain the rear end oil first, or park the tractor on a steep hill with the rear end facing up.

It is heavy, so get a helper. A 3ft piece of pipe slid over the end of the PTO shaft helps counterbalance it and gives you better leverage and control as you remove and reinstall it.
 

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