CUTTERSHAFT BEARING REPLACEMENT
Remove existing cuttershaft, bearings and string guards.
1.
Make sure that the end knives on each end of the cuttershaft are orientated as shown.
2.
Apply anti-seize on cuttershaft as shown on next page.
3.
Install non-drive side bearing first.
4.
Install the top of the string guard on the non-drive side first. Use loctite-271 or equvalent and
5.
torque (95 ft-lb or 104ft-lb if you use an extension).
Install the bearing and top string guard on the drive side.
6.
Center the cuttershaft between the string guards. Use loctite-271 or equivalent and torque
7.
(95ft-lb or 104ft-lb if you use an extension) the top string guard on the drive side.
Install, use loctite-271 or equivalent, and torque (95ft-lb or 104ft-lb if you use an extension)
8.
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.
Grease both bearings properly.
14.
See illustration on next page
Boom
©2011 Alamo Group Inc.
MAINTENANCE
Maintenance Section 4-28