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MAINTENANCE and LUBRICATION Cont...
CUTTER HUB:
REMOVING THE CUTTER HUB:
Should it ever be necessary to remove the cutter hub, remove the three (3) cap
screws and insert two (2) 1/4" - 20 cap screws into the threaded holes in the
bushing flange. Tighten the cap screws alternately and evenly so the press against
the shoulder of the cutter hub, "jacking" the bushing from the hub.
INSTALLING THE CUTTER HUB:
To install the cutter hub, assemble the bushing into the cutter hub so that the three
(3) counter-bored holes in the bushing line up with the three (3) threaded holes in
the cutter hub. Insert the three (3) cap screws through the counter-bored holes into
the threaded holes and screw them in finger tight. Slide the cutter hub and bushing
on the shaft over the key. Locate the assembly so the blades will clear the base
and the guard. Tighten the cap screws in sequence around the circle. Repeat until
no further movement can be obtained (approx. 12 ft. lbs.).
BEARINGS:
The nylon bearing (clear collar) must be inserted in the blade with a slight bulge. After locating
the bearing in the collar of the blade, press the bulge to conform to the contour of the cutter hub.
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