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MAINTENANCE
Saber Maintenance Section 4-30
©2011 Alamo Group Inc.
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