PROTEA BG 760 - Page 7

3
Cutter
To adjust the cutter setting, slacken cutter
hanger clamp bolts (4) at each side of the
machine, and proceed as follows;
Adjustment: Slacken the top nuts (5) on
adjusting screws. Then by tightening the
bottom nuts (6), the cutter is lowered on to the
bottom blade. To raise the cutter, loosen the
bottom nuts and tighten the top nuts. Re-
tighten cutter hanger clamp bolt nuts. Always
adjust cutter to bear very lightly on bottom
blade. If the cutter rubs harshly on the bottom
blade, there will be excessive wear of both
cutter blades and bottom blade, and an
unnecessarily heavy load on the power unit.
A grass trough is
incorporated that can be
adjusted closely to the
rear drum so that grass
and dirt build up is
scraped from the drum
and caught in the trough.
To empty:
Remove the cover plate from the trough opening in the side frame. The cover unclips by pivoting it
upwards. Withdraw the trough, as illustrated. When replacing, the end of the trough could come into
contact with its adjusting screw, when halfway in. A twisting action will allow the bottom edge of the
trough to clear the screw and push right in. Replace the cover plate.
Note: the trough can be withdrawn more easily if the deflector clamp bolts are loosened and the
deflector lowered to allow extra clearance.
Adjustment –The adjusting screw can only be operated when the trough is removed as it is located under
the center of the trough. To adjust trough closer to roller, release lock nut and lower screw lightly – to
move it away, raise screw slightly. Replace trough and check clearance from the drum. If satisfactory
withdraw trough and tighten lock nut.
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4