67
1
2 3 4
Replacing Tillage Disc Blades
1. Remove 1/2 x 1-1/4 capscrews and the corresponding lockwasher and hexnut.
2. Remove worn disc from the bearing hub. (may need to lightly tap the disc with a ham-
mer to remove)
3. Install new disc by realigning four bolt holes in the bearing hub.
4. Reinstall 1/2 x 1-1/4 capscrews and corresponding lockwasher and hexnut. (may
need to install new hardware if existing are in poor condition) See “Torque Chart” for
proper assembly torque.
ITEM DESCRIPTION PART NUMBER
1 COULTER, 18" SF TILLAGE 67-050-003
2 CAPSCREW, 1/2 X 1 1/4 G5 PLT 48-090592
3 LOCKWASHER, 1/2 REG PLT 66-010250
4 HEXNUT, 1/2 PLT 68-010250