Bison MMIB-20, Operator'S Manual

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4. Change or reverse all the hammers (A) as the
case may be and put the pieces back in place,
starting with the last one removed. Since the
hammer has 4 corners, you can reverse the
hammers 3 times before replacing them for new
ones.
5. Repeat steps 2 and 3 for the next 5 arrows.
6. Return the feed hopper and replace the security
bolts (B) and the lock on the original position.
ATTENTION: Whenever you replace or
reverse any hammer, disconnect the arrow
shaft from the PTO and wear gloves to perform
this operation.
HAMMERS DISTRIBUTION
To maintain balance in the rotor and to prevent the
hammers from colliding with each other, they are
located in a strategic way.
Each row has 15 hammers, in total there are 90
hammers on 6 arrows.
The arrangement of the hammers on the arrows 1, 3
and 5 is 2, 2, 2, 2, 2, 2, 2, 1 from left to right, resulting
15 in total.
The arrangement of the hammers on the arrows 2, 4
and 6 is 1, 2, 2, 2, 2, 2, 2, 2 from left to right, resulting
15 in total.
MAINTENANCE
A
B
28
FRONTAL VIEW