Remove burrs from
inner edge of outer
telescoping shaft
after trimming
Remove burrs from
outer edge of inner
telescoping shaft
after trimming
4. Verify the distance between the locking pins on the PTO shaft while in the compressed state
(Dim B) as shown in the image below. It should measure 34” (862.5 mm).
5. If Dim A is at least 1” (25 mm) longer than Dim B, the PTO shaft does not require trimming.
It is recommended the shaft not be used if there is less than 6” (150 mm) of overlap
between the two halves of the PTO shaft when the equipment is in the operating position.
6. If Dim B is longer than Dim A, the PTO shaft will require trimming. Use this equation to
calculate the correct amount to trim:
(B - A) + 1 inch = C (Amount to Trim)
7. Once C has been calculated, trim that amount from BOTH halves of the PTO shaft safety
cover first, then trim the same amount from both shafts. This will ensure the safety cover on
each end remains a few inches back from the ends of the shafts, otherwise PTO shaft
reassembly could be difficult.
8. After trimming both halves of the PTO shaft, use a file to remove any burrs or sharp edges
and slide the halves back together, ensuring they telescope in-and-out freely. The PTO
shaft is now ready to connect the stump grinder to the tractor for operation.
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