MacDon R80 Rotary Disc - Manual (Page 48)

MAINTENANCE/SERVICE
Form # 169089
46
Model Year - 2009
7.7.3 Sealed Bearing Installation
a. Clean shaft and coat with rust preventative.
b. Install flangette (A), bearing (B), second
flangette (C) and lock collar (D).
NOTE
The locking cam is only on one side of the
bearing.
c. Install (but do not tighten) the flangette bolts (E).
d. When the shaft is correctly located, lock the lock
collar with a punch.
NOTE
The collar should be locked in the same
direction the shaft rotates. Tighten the set
screw in the collar.
e. Tighten the flangette bolts.
f. Loosen the flangette bolts on the mating bearing
one turn and re-tighten. This will allow the
bearing to line up.
C
D
E
A
B