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STEP 4: Calculating length of PTO Shaft needed
The PTO Shaft provided with your Trimmer is 32” overall compressed length and will work “as is” for most
applications. Before you install the PTO shaft it is good practice to calculate optimum PTO shaft length
according to your tractor and usage needs to determine if modifications are needed.
WARNING
The minimum recommended overlap of the tubes at the center of the PTO shaft should be 6”. Using a PTO
shaft with less than 6” overlap may fail and cause machine damage or personal injury.
Tools Needed:
● 13mm Wrench
● 4mm Allen Wrench
1. Slightly loosen the wing nut, rotate the gearbox guard up away from the gearbox shaft.
2. Attach the PTO shaft to the gearbox, put flat key in the middle of PTO shaft and gearbox, then tighten
set screw.
3. Press PTO spring pin and connect PTO shaft to the tractor spline shaft, then check whether the
assembly is in place. (The installation is complete when the spring pin will automatically rebound.)
4. Check the PTO both ends of the assembly in place, cover the gearbox guard.
Note: One side of PTO and gearbox sealing ring to keep 5MM distance, so as not to lead to a
collision with gearbox sealing ring.
STEP 5: Installing Trimmer Cords
Always make sure to install all four trimmer cords and ensure they are the same length. Not having all four
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