3.
Clean area around special lock nut (A).
4.
Rotate disk so knife bolt is over hole (B). Remove knife bolt and nut with socket wrench. Remove knife. If knife bolt is tight, move wear shield or crop accelerator toward center of disk using a hammer.
5.
Check knife, bolt, and nut before reinstalling. (See Checking Knives, Checking knife Bolts and Checking knife Nuts in this section.)
A-Lock Nut
B-Hole
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