Bison MMRB-20 User manual

Models
MMRB-20
MMIB-20
HAMMER MILL OPERATOR’S MANUAL
Part Number
4350-2130-01
MMB
MMB

READ THIS MANUAL carefully to learn how to operate and service your machine
correctly. Failure to do so could result in personal injury or equipment damage.
THIS MANUAL MUST BE CONSIDERED a permanent part of your machine and
should remain with the machine when you sell it.
MEASUREMENTS in this manual are given in both metric and customary U.S. unit
equivalents. Use only correct replacements and fasteners.
LEFT and RIGHT SIDE is determined looking at the direction of the machine.
4350-2130-01 (Rev. 17/10/12)
!!
INTRODUCTION

TO OUR CUSTOMERS:
Congratulations for acquiring a Bison product®.
We are condent in your excellent decision to purchase Bison®equipment, and are
honored to have you as our valued customer.
Your dealership shall make the technical pre-delivery of your equipment, and a
trained technician shall provide you maintenance and operation instructions
contained in this manual.
Get in contact with your dealership representative if you have questions regarding
your equipment or need specialized help.
We recommend that you read this manual before operating this equipment.
Therefore, the time you take to learn about all maintenance features, adjustments
and recommendations will result in the long and efcient life of your equipment.
This equipment is covered by a warranty duration provided by your Bison® authorized
dealer at the purchase or technical delivery of the same.
Bison® is a Brand of Tecnomec Agrícola, S.A. de C.V., Aguascalientes, México.

INTRODUCTION.........................................................................................!!
GENERAL INFORMATION...............................................................................01
SPECIFICATIONS........................................................................................06
SAFETY RULES................................................................................................07
SAFETY DECALS.............................................................................................11
OPERATION.............................................................................................18
MAINTENANCE.......................................................................................27
RECOMMENDATIONS.............................................................................36
SOLUTIONS FOR CERTAIN SETBACKS.........................................................39
ASSEMBLY...............................................................................................40
PARTS INDEX...................................................................................................48
BOLT TORQUE CHART..............................................................................57
WARRANTY.............................................................................................60
GENERAL INDEX

OPERATOR’S MANUAL
If this manual is lost or destroyed, a new copy can be requested to:
TECNOMEC AGRICOLA S.A. DE C.V.
Carr. a Paso Blanco, Km 2 No. 400
Col. Vista Hermosa, Jesús María
Aguascalientes, México. C.P. 20905
Tel. [phone]
Fax [phone]
Hammer Mills MMRB20 and MMIB20, are designed to work safely, nevertheless,
please consider the following:
Read this manual carefully to understand proper handling and maintenance of your hammer
mill.
Write down its serial number in the warranty section to recover the machine in case of theft.
Keep this manual in a safe place. Do not keep it in the machine.
A careful operator is the best guarantee against any accident since improper operation of
this machinery may cause serious injuries or, even, death.
Before operating please make sure there are no individuals around the hammer mill.
Be careful when making adjustments and prevent accidents when handling the components
of the hammer mill.
To achieve a more efcient and higher-quality milling, it’s important to read and execute the
adjustment & operation instructions of your hammer mill, since: a well lubricated implement,
with the appropriate adjustments, saves time, labor and fuel.
Once nishing your work, clean and inspect your hammer mill to detect any possible aw.
GENERAL INFORMATION
1

Tecnomec Agrícola offers original spare parts through authorized dealers. Our trained
personnel, is well versed on methods to service your equipment. If you need additional
information or custom assistance, please contact your Bison authorized dealership or
directly to TECNOMEC AGRÍCOLA S.A. DE C.V.
YOUR AUTHORIZED DISTRIBUTOR
TECNOMEC AGRÍCOLA, S.A. DE C.V.
IT IS THE POLICY OF TECNOMEC AGRÍCOLA TO CONTINUOUSLY IMPROVE ITS
PRODUCTSANDRESERVESTHERIGHTTOMAKECHANGESTOITSSPECIFICATIONS
OR DESIGN WITHOUR INCURRING IN THE OBLIGATION TO APPLY THEM TO UNITS
ALREADY SOLD.
CURRENT MODELS MAY VARY IN SOME DETAILS GIVEN CONTINUOUS
IMPROVEMENT TO WHICH OUR PRODUCTS ARE SUBJECT.
*Some pictures show equipment that is not necessarily included as part of the standard
machine.
GENERAL INFORMATION
2

PRE-DELIVEY INSPECTION MADE BY BISON DEALERSHIP
Once the hammer mill has been adjusted completely, check and ensure that it is ready for proper
operation prior to deliver to customer. The following checklist is a reminder of checkpoints. Verify that
each point is satisfactory and recheck once all proper adjustments have been made.
Check that the hammer mill is properly assembled.
Check that bolts, nuts and screws are tight.
Check that the screws of the wheel maces are tightened properly.
Check that all grease ttings are lubricated.
Check that the assembly: expulsion elbow-cyclone is properly assembled.
Connect the PTO y check the rotor operation. Check that the machine doesn’t vibrate excessively
nor makes strange noises.
Clean the mill and retouch where the paint is peeled or scratched.
Ensure that all labels and protective covers are properly xed without damages.
Ensure the machine has all features required by client.
Assembly Date______________Name and Signature of Technician_______________________
INSPECTION LIST
3

INSPECTION LIST
DELIVERY BY BISON DEALERSHIP
The following list is an important reminder to be transmitted directly to the customer at the moment
the hammer mill is delivered.
Check each point once it was duly explained to the customer.
Point out to the Customer that useful life of this or any other machine is dependent of proper
lubrication as described on its Operator’s Manual.
Hand your Customer the Operator’s Manual and fully explain all operations, lubrication and
maintenance adjustments.
Explain the importance of a proper and safe operation of the machine. Stress the importance of
labels, since those prevent the operator from hazards due to unsafe operation procedures and
conditions.
Notify the Customer of accessories and options available.
When the hammer mill is transported on roads or highways during the day or night, you should
use lights or safety devices to alert other vehicle drivers. Advise the Customer about the local town
trafc local rules. We recommend using slow-moving vehicle emblem (SMV).
Show the Customer how to mount the implement.
Explain to the Customer the serial number registration of the hammer mill, in the blank space
provided at the end of the Operator’s Manual.
Fill out the Delivery and Warranty forms, listing the serial number of the implement.
Explain the Warranty, and perform a release form where the Customer and Distributor agree upon.
The machine has been delivered ready to use, the customer has been informed about all the
operation and care of it.
Delivery Date______________________Name and signature______________________________
OWNER REGISTRATION
Name______________________________________________________________________
City_______________________________________________________________________
State______________________________________________________________________
Serial Number_______________________________________________________________
Model Number_______________________________________________________________
Purchase Date_______________________________________________________________
4

POST-SALES INSPECTION
It’s advised that the following items are constantly checked during rst hours of operation.
Fully check the machinery and certify there are no damaged parts. Repair or change if necessary.
Check that all safety covers shall be in place.
Check there are no loose or missing screws.
If possible, operate the hammer mill to verify it is functioning properly.
Check the Operator’s Manual in full with your Customer; emphasize the importance of a regular
and proper lubrication, as well as safety precautions.
Inspection Date __________________ Name and Signature_____________________________
MORNING OPERATION INSPECTION
Lube all points in need of daily lubrication and those that require lubrication at a recommended time.
Check that the strips tension is adequate.
Ensure that all screws are complete and that parts are tightened.
Check that all the pulleys are aligned one with respect to the other.
Check the wheels pressure.
Check that mounting components are safe.
Turn the feed hopper and verify there are no foreign bodies in the rotor area (loose screws,
rocks, etc.). Additionally, check that the rods that support the hammers have their latches in good
condition.
Ensure that the arrows are aligned one with respect to the other.
Grease all bearings or grease points that you consider the need to be lubed. Remember that
excessive grease is harmful as well.
Turn the pulleys manually and verify that the rotor will not bind.
¡WARNING! Possible entanglement between strips and pulleys.
SEASONAL INSPECTION
Check general state of the hammer mill (normal wear and tear, no bumps, no leaks in hoses, etc.).
Ensure that proper lubrication has been made.
Check the wheels pressure.
Check that the hammers are not damaged or show abnormal wear. Verify that strips are in good
condition.
While mill is operating in a stationary position, verify the functioning of moving parts. Check any
failure signal or operation and check there is no unusual vibration or noise.
INSPECTION LIST
5

SPECIFICATIONS MMRB20 MM I B20
Hitch type Pull type 3-pt CAT II
PTO
(rpm) 540540
Rotor working Speed (rpm) 3 , 200
Total Hammers Number 90
Total Strips Number 6
Number of Stoppers 2 N / A
Total Working Sacks Number 2
Total Height (in) 90.9
Width (in) 77.95 75.98
Long (with arrow shafts) (in) 129.92 114.96
Cyclone’s Wide Turning Circle (in) 103.14
Cyclone’s Rotation ( º )285
Feed Hopper’s Width (in) 19.68
Approximate Yield (Pas t ure) ( t on / hr) 1.5
Approximate Yield (Grains) ( t on / hr) 1. 5
Standard Screens 2 (optional sizes )
Approximate Weight (lbs.) 1058.22 914.92
* Tecnomec Agrícola, S.A. de C.V. reserves the right to make any changes deemed necessary to
the specications without prior notice.
HAMMER MILL SPECIFICATIONS
6

SAFETY RULES
This is the safety-alert symbol which means ATTENTION! BE
ALERT! YOUR SAFETY IS INOVOLVED! This safety alert symbol
indicates important safety messages in this manual. When you
see this symbol, carefully read the message below and be alert to
the possibility of personal injury or death.
DISTINGUISH SAFETY SIGNS
Whenever you see the words and symbols shown ahead and used
in this manual, you MUST consider the instructions as they are
related to personal safety.
DANGER: Indicates an imminently hazardous situation which, if
not avoided, will result in DEATH or SERIOUS INJURY.
WARNING: Indicates a potentially dangerous situation, if not
avoided could result in DEATH or SERIOUS INJURY.
CAUTION: Indicates a potentially hazardous situation which, if not
avoided, could result in MINOR INJURIES.
NOTE THE SAFETY MESSAGES
Before operating this equipment read all safety messages included
in this manual and on your machine signs. It is YOUR responsibility
to read and comprehend the safety section on this manual.
Remember that YOU are key in following safety messages. Good
safety practices not only protect you, but those who are nearby.
Study all aspects of this manual and make them part of your safety
program. Note that this section of security is only created for this
type of equipment. Put into practice other procedures and above
all usual precautions, REMEMBER THAT SAFETY IS YOUR
RESPONSIBILITY. YOU CAN AVOID SERIOUS INJURY OR
DEATH. This security section is meant to highlight some of the
basic safety situations that may occur during normal operation
and maintenance of this equipment, suggesting possible ways to
handle these situations. This section does NOT replace the safety
procedures that appear in other sections of this manual.
NOTE: This handbook covers general security practices for this
equipment.
SAFETY RULES
7

PASSENGERS ARE NOT ALLOWED IN THE
MACHINE
Only the operator is allowed on the machine.
Passengers on machine are subject to injury such
as being struck by foreign objects and being thrown
off of the machine. Passengers also obstruct the
operator’s view, resulting in the machine being
operated in an unsafe manner.
HANDLE FUEL WITH SECURITY, AVOID FIRE
Handle fuel with care, it is ammable. Do not refuel
while smoking or when close to ames or sparks.
Always shut down the engine before refueling. Fill
the tank outdoors.
Prevent res by keeping the machine free of trash,
grease and dirt. Always clean up spilled fuel.
BE PREPARED IN CASE OF EMERGENCY
Due to the ammable nature of many substances,
there must be a re extinguisher within reach of
the operator.
Have on hand a rst-aid kit for minor cuts and
scratches.
Keep the local emergency numbers near you.
WEAR APPROPIATE CLOTHING
Avoid wearing loose tting clothing, use proper
safety equipment according to the type of work.
The safe operation of the equipment requires full
attention of the operator. Do not use headphones
to listen music while traveling on roads. .
SAFETY RULES
8

STAY AWAY FROM MOVING ARROWS
The hook on rotating shafts may cause serious
accidents and even dearth.
Shut down the engine and make sure that the arrow
shaft stopped prior to:
• Connect or disconnect from PTO.
• Making any adjustment to the control or the PTO
connection.
• Clean the equipment driven by the PTO.
Always keep the PTO main shield in its place,
except for special applications as indicated in the
machine Operator’s Manual.
Protections must rotate freely.
Wear close-tting clothing. Stay away from the
machine at a safe distance while the PTO is rotating.
USE SAFETY LIGHTS AND ACCESORIES
Slow vehicles, tractors, dragged or suspended
equipment may present a risk to be transported or
towed by road and hard to be seen, especially at
night. Avoid injuries or death which may result from
a collision with other vehicles.
We recommend using lights and safety accessories
when driving on public roads. To improve visibility,
use all the lights that the tractor has. Installing
additional rotating warning lights is recommended.
Verify that the pointing devices are in good
condition. Immediately replace safety accessories
and signaling devices if lost or damaged.
SAFE ACCESORIES STORAGE
The accessories that are not stored properly can fall
and cause injury or death.
Store any accessories or equipment safely, avoiding
falling objects. Keep away unauthorized minors and
adults in the area.
SAFETY RULES
9

REMOVE PAINT BEFORE WELDING OR
HEATING
Avoid inhalation of fume or potentially toxic dust.
Hazardous fumes can be generated when paint
is heated by welding or when using a torch.
You must do all work outdoors or in a well-
ventilated area. Dispose all paint and solvent
properly, when necessary.
Remove paint before welding or heating.
• If you sand or grind the paint, avoid breathing
the dust. Wear a protective mask.
• In case of using solvent, clean the treated
surface with water and soap before welding.
Remove the solvent, paint containers and other
ammable material nearby. Allow the fumes to
disperse at least 15 minutes before welding or
heating.
PROTECTION AGAINST NOISE
Prolonged exposure to noise can affect hearing
sense.
As a precaution, protect your ears with ear muffs
or plugs.
SAFETY RULES
10

OPERATOR’S MANUAL
Read carefully the Operator’s Manual before
operating the Hammer Mill. If you don’t
understand any section of this manual, please
contact your dealership for any questions that
may arise.
The Operator’s Manual provides instructions
about safety, operation, maintenance and service
for the machinery.
An additional copy of the Operator’s Manual will
be needed if the original one, which was provided
with the machine, is lost.
OPERATION SPEED
Never use a tractor that offers more than 540
RPM PTO output.
Turn on the tractor, accelerating from less to
more until you reach 540 RPM PTO output, for
the optimum functionality of the hammer mill.
Doing this we achieve that the contact between
the tractions parts gets done in a mild way.
Failure to do so may damage the arrow shafts,
pulleys, bearings and the mill rotor.
ATTENTION: Never operate the hammer mill
with a tractor that offers more than 540 RPM
PTO output, since the hammer mill is designed
to operate under these conditions.
SECURITY DECALS
11

ARROW SHAFT
Stay away from the arrow and all rotating shafts,
while operating the Hammer Mill.
The covers should rotate freely.
Do NOT operate this equipment without the
protections on the power shaft and the rod
universal joint. Make sure that the protective
covers are well placed.
ROTOR
Never lift up the feed hopper if the Hammer Mill
is operating.
Make sure that the hammers and rods are in
good condition.
Verify that the Hammer Mill is not damaged and
that there are not missing screws.
Wear appropriate protection and clothing when
operating the Hammer Mill, since some part of
the material being ground could be ejected and
could hit the operator.
STRIPS AND PULLEYS
Verify that the strips and pulleys are in good
condition.
Stay away from strips and pulleys when the
Hammer Mill is operating.
Keep the guards in good condition and in their
designated place.
SECURITY DECALS
12

READ CAREFULLY THE SAFETY SIGNS
Read carefully all the safety signs as WARNING,
DANGER AND CAUTION. Keep the safety signs
in good conditions. Replace the damaged or lost
decals.
WARNING DECAL
The WARNING decal is located on the trailer.
On the Hammer Mill MMIB20, this decal is located
on the pulleys guard.
SECURITY DECALS
13

WARNING DECAL
This decal is located on the Feed Hopper.
DANGER DECAL
The DANGER decal is located on the ejection
elbow.
SECURITY DECALS
WARNING
ADVERTENCIA
To avoid injury , keep
hand s away fro m thi s
area.
Para evitar lesione s
manteg a la s mano s
alejadas d e ésta área.
14

CAUTION DECAL
The CAUTION decal is located on the Feed Hopper.
DANGER DECAL
The DANGER decal is located on the pulleys guard
upper side.
SECURITY DECALS
15