MAINTENANCE
CUTTERSHAFT BEARING REPLACEMENT
1.Remove existing cuttershaft, bearings and string guards.
2.Make sure that the end knives on each end of the cuttershaft are orientated as shown.
3.Apply anti-seize on cuttershaft as shown on next page.
4.Install non-drive side bearing first.
5.Install the top of the string guard on the non-drive side first. Use loctite-271 or equvalent and torque (95 ft-lb or 104ft-lb if you use an extension).
6.Install the bearing and top string guard on the drive side.
7.Center the cuttershaft between the string guards. Use loctite-271 or equivalent and torque (95ft-lb or 104ft-lb if you use an extension) the top string guard on the drive side.
8.Install, use loctite-271 or equivalent, and torque (95ft-lb or 104ft-lb if you use an extension) the bottom string guard on both sides.
9.Make sure the cuttershaft is centered. On the non-drive side, tighten one set-screw in the bearing onto the cuttershaft.
10.Remove the other set-screw and drill a 5/16” hole into the cuttershaft 3/16” deep through the hole in the bearing. BE CAREFULL NOT TO DAMAGE THE THREADS IN THE BEARING HOLE.
11.Replace the set-screw in the bearing, use loctite-271 or equivalent, and tighten onto the cuttershaft through the new hole.
12.Remove the other set-screw and repeat the drilling procedure (Step 10). Replace the set screw as stated in Step 11.
13.Repeat steps 9 through 12 on the drive side.
14.Grease both bearings properly.
See illustration on next page
