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KEENAN
MechFiber380 Operator’s Manual
Revision D02 09
th
Sept 2020
7
4 Operating principles
The KEENAN MechFiber diet feeder
’s main operating functions are weighing,
chopping/mixing and feeding out.
4.1 Weighing
The KEENAN MechFiber diet feeder
’s electronic weighing system allows an exact quantity
of individual materials to be loaded into the mixing chamber for accurate rationing. Individual
loads can be weighed, or successive loads can be accumulated to give the total weight of
the feed. See Section 6 (on the weighing system) and the Readout Manual for more detailed
information.
4.2 Chopping/mixing
Load ingredients in the sequence recommended by your KEENAN physical nutritionist, or
as suggested in Section 7 (on operation). For non-bale handler models, ensure bales are
broken up prior to loading. For bale handlers, wait until the bale has been taken in completely
before adding further bales. As a general rule, material should be tumbling freely when
mixing; if it is not, the machine is overloaded and will not achieve the desired mix quality.
Mixing is carried out by a centrally mounted rotor fitted with six angled paddles revolving at
6-8 rpm. Each paddle imparts a shearing action, sweeping the feed ingredients onto the
strategically placed knives to produce a consistent and thorough mix with all types of
materials, including baled silage, hay or straw, roots and liquids.
The angled paddles help optimize mixing by sweeping the material from end to end. The
placement of the blades ensures that the materials reach optimum size/length without
grinding down and destroying the all-important
“scratch factor” of the forages, producing a
MechFiber mix.
Mixing time will be determined by the required chop length. Follow the procedures outlined
in this manual or consult your KEENAN physical nutritionist for further information.
For bale handler models, do not load a complete 6x4 round bale onto the machine, as it has
the potential to become unstable, possibly falling off and causing injury. Instead, 6x4 round
bales should first be broken up and then loaded onto the machine in sections; alternatively,
the bale may be held in place by the loader until it is sufficiently chopped down (to a third or
half of its size) so that complete chopping can be done safely on the top of the machine. If
in doubt, consult your local KEENAN representative for the recommended safe operation of
the machine to suit your particular application.
CAUTION:
For bale handler models, do not load a complete 6x4 round bale, or more than one
5x4 or 4x4 round bale, onto the machine at any one time. Overloading the machine
may seriously affect the safe operation and life of the machine and will invalidate
the warranty.
Summary of Contents for KEENAN MechFiber380
Page 2: ...KEENAN MechFiber380 Operator s Manual Revision D02 09th Sept 2020 2...
Page 37: ...KEENAN MechFiber380 Operator s Manual Revision D02 09th Sept 2020 37 PART II Spare Parts...
Page 46: ...KEENAN MechFiber380 Operator s Manual Revision D02 09th Sept 2020 46...
Page 73: ...KEENAN MechFiber380 Operator s Manual Revision D02 09th Sept 2020 73...