MENTA ATMF 3.2 User manual

OPERATOR'S TECHNICAL MANUAL
MENTA ATMF 3.2
Edition Jun.2019
SERIAL Nº 19381

Congratulations!
You have just purchased the MENTA ATMF 3.2 Forage Harvester, which is
simple to operate and maintain and is ideal for silage preparation or daily handling of
your flock.
Thank you for choosing a machine that reallysuits your needs, as it is the first cardan-
driven forage harvester, manufactured by a company with 69 years of experience.
This Manual provides instructions for proper operation and preventive
maintenance, as well as the procedure for contacting Technical Assistance if
necessary.
Therefore, before operating the machine for the first time, read the safety
instructions and all other information contained in this Manual.
If you have any questions, please contact one of our Authorized Dealers or
contact MENTA as we will be happy to assist you as needed.
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Contact us:
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INTRODUCTION
Low-cost fodder production has been a major challenge for ranchers and especially
machine builders.
Among all forages, corn has been established as the most efficient
roughage for cattle nutrition.
To meet the most demanding ranchers, MENTA has developed the most efficient,
economical and productive forage harvester:MENTA ATMF 3.2
Its revolutionary design eliminates all belts and the power
transmission is performed by cardan and gearboxes.
The MENTA ATMF 3.2 reaps sorghum and maize with great efficiency. Now
with your harvester front you can harvest more efficiently. The new harvester front
presents higher productivity with low operating cost per ton harvested.
In addition to saving fuel, tractor, operator and also compacting the soil less
by harvesting 7 or 4 rows with each pass.
With MENTA ATMF 3.2 you will be amazed at the productivity, size and
uniformity of your harvester's particulate feed.
Compact and robust, the MENTA ATMF 3.2 can be powered by 180 to 250hp
tractors. It has an advanced system of vertical rollers, which cut the cornstalk.
WARNING
EXPRESSLY PROHIBITED USE OF ANY KIND OF INOCULATING
PRODUCTS LIKE LIME, SODA, AND OTHER INTRODUCED
INSIDE THE EQUIPMENT, THIS IS INCORRECT AND CAUSES
LOSS OF WARRANTY.

CONTENT
Page.
1 Features and Benefits..........................................................................................................................................................01
2 - Safety.................................................................................................................................................................................02
2.1 - Safety - General................................................................................................................................................03
2.2 - Safety in preparation.........................................................................................................................................03
2.3 - Safety in operation............................................................................................................................................04
2.4 - Safety in maintenance. .....................................................................................................................................05
2.5 - Personal Safety. ...............................................................................................................................................05
2.6 - Transportation safety........................................................................................................................................06
2.7 - Illustration of warning and safety stickers. ........................................................................................................09
2.8 - Illustration of the orientation and operational stickers.......................................................................................13
3 - Protections and Safety...................................................................................................................................................... 15
3.1 - Suggestions......................................................................................................................................................16
3.2 - Prohibitions.......................................................................................................................................................16
4 - Knowing the MENTA ATMF 3.2.........................................................................................................................................17
4.1 - Truck transport. ................................................................................................................................................18
4.2 - Loading and unloading.....................................................................................................................................18
4.3 - Intended Use. ...................................................................................................................................................19
4.4 - Tractor required................................................................................................................................................19
4.5 - Operation..........................................................................................................................................................19
4.6 - Optionals. .........................................................................................................................................................19
4.7 - Available version...............................................................................................................................................20
4.8 - Coupling to the tractor21
4.9 Levelling..............................................................................................................................................................22
4.9.1 - PTO gimbal....................................................................................................................................................23
5 Assembly .............................................................................................................................................................................26
5.1 - Outlet Nozzle Assembly. ..................................................................................................................................26
5.2 - Assembly of the Double Cylinder Hydraulic Cylinder........................................................................................ 28
5.3 - Connection of Double Jet Breaker Hydraulic Hoses.........................................................................................28
5.4 - Connection of Hydraulic Motor Hoses..............................................................................................................29
5.5 - Connecting the Hydraulic Hose Lift hoses........................................................................................................29
5.6 - Turning the Nozzle...........................................................................................................................................30
5.7 - Moving the Double Jet Breaker........................................................................................................................31
5.8 - Lowering the Exit Spout for Transport..............................................................................................................32
5.9 - Adjusting the Cut Variation...............................................................................................................................33
5.9.1 - Support Wheel...............................................................................................................................................34
5.9.2 - Tomb Regulator35
6 Operating instructions..........................................................................................................................................................36
6.1 - Important Recommendations Before You Begin36
6.2 - Turning off the machine....................................................................................................................................37
6.3 - Disconnecting hoses.........................................................................................................................................37
6.4 - Uncoupling the Tractor Machine 37
7 - Preventive Basic Maintenance...........................................................................................................................................38
7.1 - Chipping Rotor Knives Synchronization 39
7.2 - Lubrication points
......................................................................................................................................................................................................
....................................................................................... ..................................................................................... 40
7.3 - Changing the gearbox oil.................................................................................................................................. 42
7.4 - Care in the maintenance of the Hydraulic System............................................................................................ 45
7.5 - Tire Calibration. ................................................................................................................................................45
7.6 Drive chains........................................................................................................................................................ 46
8 CORRECTIVE MAINTENANCE .......................................................................................................................................... 47
8.1 - Sharpening the Main Rotor Knives...................................................................................................................47
8.2 - Sharpening and replacing the Counter Knife and Upper Counter Knife48
8.3 - Replacing the rotor knives49
8.4 - Replacing the Drive Box Drive Cardan and Transmission Case.......................................................................50
8.5 Replacing the Fuse............................................................................................................................................. 50
8.6 - Replacing the front rollers.................................................................................................................................51
8.7 - Sharpening and replacing the MENTA Knurled Knives. ...................................................................................55
8.8 - Using the Reversing Key. .................................................................................................................................56
9 - Technical Specifications and General Dimensions............................................................................................................57
10 - Abnormalities, Causes and Solutions..............................................................................................................................58
11 WARRANTY CERTIFICATE.............................................................................................................................................. 59

1 - FEATURES AND BENEFITS
MENTA ATMF 3.2 has been designed by MENTA's Technology Development Center
incorporating numerous and unique advantages for the user.
Features:
1 - Front Rollers and Front Stars
The MENTA ATMF 3.2 features a state-of-the-art,
unique, revolutionary and simple serrated knife-
based cutting system in combination with the six
front rollers each platform precisely cuts and
collects for quick and low maintenance costs. .
The front rollers on all harvesting platforms are
supported on fixed bearings and single row ball
bearings with protective retainer.
2 - Feed Rollers
The main rotor feed system consists of three vertical
toothed rollers and one smooth surface. The smooth
and toothed roller next to the main rotor and the two
oscillating handcuffs provide uniform forage cutting.
3 - Left and Right Rotor
The common rotors between the harvesting fronts
have a side cutting disc system consisting of 12
knives in each, with 24 special hardened, localized
hardened knives fixed with 8.8 super-strong steel
screws that uniformly bites and throws the forage
without damaging its nutritional content.
4 Transmission
The drivetrain is designed to provide perfect timing
between the frontrollers, feed rollers and main rotor,
playing a key role in cut quality and feed production.
The transmission is made through a set of cardans
and chains, interconnected by robust transmission
boxes.
5 -Safety
It has a safety system provided by fuse pin and
gimbal fuse screw, which rupture upon the entry of
any foreign body or any malfunction, immediately
stopping the machine.
6 - Hydraulic Control
ATMTA 3.2 has engines and hydraulic cylinders
(Piston), operated directly from the tractor, to adjust
the direction of the Outlet Nozzle and Jet Breaker
and also the Articulation for Transport.
7 Structure
Monoblock structure, offering greater rigidity and
durability to the set.
benefits and advantages
A) The first cardan-driven forage harvester. The
cardan and gearbox drive system is more efficient
than belt-driven systems because it transmits with
less power loss. Saving fuel and lower engine
power.
B) Best value for money, being more efficient and
productive. Produces 40 to 80 tons / hour of minced
feed under favorable tillage and terrain conditions,
requiring a lower driving force i.e. tractor from 180
to 250hp. (See technical specifications on page 58).
C) Low maintenance cost due to the low level of
wear compared to other equipment for the same
purpose.
D) The ATMF MENTA 3.2 offers exceptional
operator comfort, providing a broad view of the field
of work and all the controls within your reach,
mounted on the tractor itself.
E) Equipment attached to the rear of the tractor or
the front. When the tractor makes the front coupling
available.
F) Transmission boxes with 2-year warranty.
01

02
2- SAFETY
The machine operator should be familiar with the operation, maintenance and
SAFETY information contained in this manual.
It indicates the good safety practices that must be observed when using the machine.
We recommend that you read it carefully before using the machine. We remember that
preserving people's health and physical integrity must always come first. If in doubt, please
contact us before performing the procedure.
This manual should remain available to all users. Store it in the machine's manual holder.
For safe operation, also observe the recommendations of your tractor manual.
Hazard Warning
The warning word 'DANGER' indicates an imminently hazardous situation which, if
not avoided, will result in death or serious injury..
Caution Decal
The warning word "CAUTION" indicates a potentially hazardous situation, which, if not
avoided, could result in death or serious injury.
The machine's instruction manual should be stored in a place accessible to all operators
and maintenance personnel.
Adaptations or use of non-original parts compromise operation and shorten machine
life, jeopardize operator safety and lead to loss of warranty.
Keep a first aid kit in an easily accessible place (learn how to use it in the event of an
accident).
Observe the safety recommendations described in this manual and be
aware.Inattention during operation may result in serious accident.
HAZARD:
SAFETY ALERT SYMBOL:
In this manual and on the stickers affixed to the machine, you will find the 'safety
alert symbol' accompanied by the 'CAUTION' and 'DANGER' warnings, followed by specific
instructions..
These instructions are intended to protect your own safety and that of others who
work or are near the machine. When encountering safety warnings in this manual, carefully
read and strictly follow the instructions below.
HAZARD:
Some functional components such as reeles need to be partially exposed for proper
operation.Staying close to the feed rollers is prohibited when the machine is turned on.
There is a risk of very serious accident in case of contact with the moving rollers.It is
forbidden to feed the machine by hand.
PERMANENCE OF UNREACHED PEOPLE NEAR OPERATING MACHINE IS
PROHIBITED.

03
2.1 - GENERAL SECURITY
Read the Instruction Manual before starting the machine. Keep alert and comply with all
recommendations for use and safety during operation.
PASS INFORMATION TO OTHER USERS.
All equipment should be used only for its intended purpose, as specified in the manual.
Use of the equipment in applications other than those mentioned is considered inadmissible
work and is not authorized by this manufacturer.
Secure the ends of the cardan guards to fixed points on the tractor and implement by
means of the chains specific for this purpose, so that they remain static without turning. Never
use cardan shafts without safety protection.
The permanence of persons on any part of the machine during operation or
transportation is prohibited. Whenever it is necessary to hop on the machine for any
adjustments or repairs, disconnect the tractor PTO and wait until the components are
completely motionless.
Do not allow children or onlookers to approach the machine when operating or
maneuvering.
Keep all shields and guards in place and do not operate the machine without them.
When maneuvering with the machine attached to the tractor, make sure that there is
sufficient space to perform the movements.
Make sure there are no people or animals near the machine.
This equipment is hazardous to children and people unfamiliar with its operation.
Do not allow them to approach the machine during operation. If you observe any abnormal operation,
vibrations, different noises, etc.
2.2 - PREPARATION SAFETY
After coupling to the tractor, make sure the machine is correctly engaged with the
tractor and the hitch pins properly locked.
Before starting operation, check the machine for loose screws, worn parts, cracks, leaks,
loose parts. Make any necessary repairs, always observing the maintenance instructions of
this manual.
When disengaging the tractor machine, choose a flat location, facilitating the
procedure and subsequent coupling.
Be especially careful when coupling and uncoupling themachine from the tractor. Check
that the hitch pins are securely locked. Always use cotter pins to prevent the pins from
accidentally loosening.

04
2.3 - SAFETY IN OPERATION
For the operation of this machine, as well as for any maintenance or repair work, the
instructions given in this manual must be followed. Special attention should be paid to safety
recommendations and warnings, and to comply with all applicable occupational health and
safety regulations that apply locally. Personnel responsible for the use and maintenance of the
machine must be trained and trained by the employer and informed of the risks posed by
improper use of the machine and the use of personal protective equipment (PPE).
In order to give you a better view, certain images or illustrations in this manual may show
removed safety protection. However, the machine can never be used in this condition. Before
starting the machine, check that all guards have been fitted.
Do not operate the machine if you have ingested alcohol or drugs that alter alertness
and coordination. Stay alert during the operation and try to act with common sense. A moment
of inattention while operating a machine can result in a serious accident.
Before starting the machine, check that there are no tools or other objects on it.
Before starting the machine, observe the surroundings and keep animals and bystanders at a
safe distance. Be especially careful with children.
Shut down the machine immediately, check and eliminate the cause before turning it on again.
Check that the guards are correctly fitted and in place and that the stickers described
are perfectly legible before starting the machine.
Adhesives affixed to the machine provide a number of important pointers: respecting
signs is to safeguard your safety.
Whenever it is necessary to lower the tractor, apply the parking brake (if present), turn
off the engine and remove the ignition key.
The operator must have sufficient visibility of the hazardous work areas. The machine
must not be left unattended while it is engaged in the tractor and with the ignition keys inserted.
Disconnect the tractor PTO during maneuvering or transporting the machine.
Do not allow children or onlookers to approach the machine when operating or maneuvering.
Any modifications made to the machine may compromise the safety of the machine and the
personnel involved. In this case, the user is solely responsible for any accidents.
Immediately replace crushed, damaged or damaged hydraulic hoses.
Wear adequate hand and eye protection when looking for a high pressure hydraulic
leak. High pressure oil easily penetrates clothing and skin and can cause serious damage.
Never attempt to locate or seal a hydraulic leak using your hands without proper protection.
Use a piece of wood or cardboard to isolate and identify a hydraulic fluid leak.
In case of injury with high pressure hydraulic fluid, seek medical attention immediately.
Severe infection or toxic reaction can develop from the hydraulic fluid that punctures the skin
surface.

05
Remember: moving components, due to inertia, keep moving for some time after the
machine is turned off. Before touching any part of the machine, turn off the drive source, look
and listen for evidence of movement. Touch any machine component only if you are absolutely
sure that it is free of movement. Always remain attentive.
Do not rest the machine on concrete blocks, hollow bricks or other supports that could
collapse under prolonged load. Always use a secure support when necessary. When
necessary, always use a secure support.
2.4 - MAINTENANCE SAFETY
Maintenance, inspection and repair may only be carried out by a qualified technician
who is aware of the risks involved. It is therefore necessary to foresee the operating
procedures for the whole machine, appropriate to the management of the danger situations
which may arise and the methods to prevent them. The skilled technician must always work
with extreme caution, paying the utmost attention and respecting all safety standards.
Disconnect the power take-off, the tractor engine and remove the ignition key before
adjusting, lubricating or servicing the machine. Never make repairs or adjustments to the
connected machine.
Make sure all system components are kept in good condition.
Wear personal protective equipment - PPE (gloves, goggles, hearing protector, shoes and
appropriate clothing) when performing maintenance services.
2.5 - PERSONAL SECURITY
The safety of the operator and others is a major concern in the design and
development of a machine. However, many accidents occur every year that could have
been prevented in general due to lack of attention and observance of safety rules during
operation.
Read this manual carefully and be alert at all times.
Never operate the machine under the influence of alcohol, medicines or drugs that may
impair alertness or coordination.
Wear personal protective equipment - PPE - when operating the machine: Hearing
protector (prolonged exposure to noise may cause hearing damage or loss), safety goggles
(protect eyes during operation).
Dress appropriately tooperate the machine, do not wear excessively loose clothing, and
lock long hair. Remove rings, chains and other elements that may get caught in moving parts
or mechanisms. Loose clothes and long hair can be caught by working mechanisms.
Always keep hands away from moving parts.
Never attempt to clean or unclog any part of the machine while it is on. This procedure
can only be performed with the PTO off, the key removed from the tractor ignition and the
machine without any movement.

06
2.6 - TRANSPORT SAFETY
The machine coupled to the tractor must not be transported on public roads and
highways. This practice should be limited within properties and rural areas.
Consult the transit agency about the rules and laws in force in your area as to whether
or not to transport the machine with the tractor on certain stretches of road.
Do not exceed a safe transport speed. Reduce speed and exercise caution on rough
terrain and cornering.
Always drive the tractor at speeds that are compatible with terrain or road conditions
and tractor size.
Never allow people to stand on any part of the machine during transportation. Never use
the machine to transport people or animals.
When transporting the machine, be especially careful with the mains.
Do not transport themachine with the discharge spout raised. Risk of shock from contact
with electrical wiring. Keep away from high voltage airlines. Risk of electrocution (death caused
by electrical energy).
Never drink and drive the tractor.
Avoid sudden maneuvers especially in rough locations. When towing a load heavier
than the tractor, do not exceed 16 km / hour.
Double your attention when driving with the machine engaged on sloping ground. If
you notice any imbalance, reduce the acceleration.
When descending keep the tractor always engaged.
Before getting off the tractor or performing any maintenance, apply the parking brake
(if present), turn off the engine, and remove the ignition key.
Mount sufficient counterweights so that the front tires of the tractor maintain sufficient
contact with the ground.
The tractor must always be maneuverable.
WARNING
DANGER

07
DANGER
Do not climb on the machine while it is being
operated or transported.
RISK:
Fall with serious or fatal injuries. HOW TO
AVOID: Whenever it is necessary
to hop on the machine for any maintenance or
adjustment work, turn off the tractor engine,
remove the key from the starter and wait until the
machine is completely stopped.
DANGER
Do not transport the machine with the spout raised.
RISK:
Electric shock and electrocution on contact with the
mains.
HOW TO AVOID:
Lower the nozzle when transporting the attached
machine.When lifting it, first make sure there are no
obstacles such as trees, live wires, etc. Be especially
careful with the mains.
DANGER
Never attempt to manually power the
machine.The rollers pull the material before it
can be released from your hands so you can be
pulled into the machine.
RISK:
Smashing with serious or fatal injuries.
HOW TO AVOID:
Never manually feed this machine, it is not
suitable for this.Use a forage harvester
equipped with its own feeding spout for this
purpose.

08
DANGER
Do not stay in the direction of
spout jet during harvest.
RISK:
If the machine picks up any foreign matter
(nails, metals, etc.), it willbe thrown by the spout
and could hit it causing serious injury.
HOW TO AVOID:
Do not remain inside the wagon or trailer during
harvesting.Never stand toward the chopped
product jet.
DANGER
Do not attempt to clean or remove
materials accumulated debris on
the connected machine.
RISK:
Upon contact with the spinning drums you may
be pulled into the machine. Serious or fatal
injuries.
HOW TO AVOID:
Always turn off the tractor, remove the starter
key and wait until the machine is completely
stopped before performing any service on it.
DANGER
Do not unpack and feed both feeders with the
machine turned on.
RISK:
Serious or fatal injuries.Upon contact with the
spinning drums you may be pulled into the
machine.
HOW TO AVOID:
Keep safe distance from connected
machine.Do not allow other people near the
machine on.

09
2.7 - ILLUSTRATION OF ALERT STICKERS
and security.
Even with the use of appropriate resources and built-in security protections, some residual
risks may remain.
Safety decals affixed to the machine warn of residual hazards and warn of procedures to
be followed.Keep all stickers in perfect condition.
MEANING OF SAFETY STICKERS:
Read the Instruction Manual before starting the
harvester.By being aware of and following all
safety and usage recommendations, you will
prevent unexpected accidents from occurring
while using the machine.
Do not use the gimbal without safety protection.Keep
away during operation.
Contact with the moving cardan may cause a serious
accident.
PTO rotation option.
PTO rotation option.
It is forbidden to work with the equipment without the
fixed protections.

10
Operating instruction of the equipment.
Operational Safety Alert.
Before operating the equipment, retract the support foot.
Periodic lubrication recommendation.

11
Safety Advisory Notice.
It is forbidden to manually feed, approach or discharge
with the equipment in operation.There is a risk of being
pulled into the machine.
Forbidden to remain in the equipment during operation
or transport.Risk of falling or being run over.
Never approach the feed rollers while the equipment is
running.Keep away from the eating area.
Risk of being pulled into the equipment.

12
2.8- Illustration of the orientation and operational
stickers.
Instructions for use of the greaser.
Guidance alert.
When operating the harvester, wear personal protective equipment (PPE).Prolonged
exposure to noise without protection may cause hearing loss.
0480047
FOR MAYOR PERSONAL SECURITY, UTILICE LOS
INDIVIDUAL PROTECTIVE EQUIPMENT AL AFILAR LAS
CUCHILLAS.
FOR ADDES SAFETY, USE PERSONAL
PROTECTION EQUIPMENT WHEN SHARPENING
THE KNIVES.
WARNING
Delete
FunctionCo
ATTENTION
FOR SAFETY, USE SUITABLE PERSONAL PROTECTIVE
EQUIPMENT WHEN SHARPING KNIVES.

13
Stay safe from working equipment.Risk of injury
from moving parts.
Do not put your hands near the rollers with the machine
turned on.Risk of disappointment by moving knives.
Do not open or remove covers and safety guards
while the machine is running.Risk of crushing.

14
Before operating the equipment, check the gimbal.
Periodic lubrication recommendation.

15
3 - PROTECTIONS AND SAFETY
In the development of the project, fixed safety protections were adopted in the hazardous
operating zones, as determined by Regulatory Standard NR12.
This measure is intended to provide protection to operators and others involved in the
operation of this machine.
Never use the machine without safety guards! Replace damaged safety guards
immediately.
RISKS OF REMOVAL OF SAFETY PROTECTIONS
Do not operate machine without transmission coupling guards (S).
Contact with moving couplings will cause serious injuries such as fractures, sprains,
etc. Do not operate the machine with cardan shafts without safety guards. Contact with moving and
unprotected cardan shafts will cause serious injuries such as fractures, sprains, etc.
Transmission Guards (a), (b), (c), (d).
Gimbal Protection (e).
E
NOTE:
In accordance with Regulatory Standard NR-12, "fixed protection" is considered to be the
element specifically used to provide safety through physical barrier.It must be kept in
position permanently or by means of fasteners that only allow its removal or opening with
the use of tools.

16
3.1 - RECOMMENDATIONS
The tractor must always be maneuverable.Mount enough counterweights so that
REAR tires maintain sufficient contact with the ground.
Do not ballast the front tires of the tractor.
Check tractor compatibility with harvester width (see page 24).
During operation, keep the engine speed constant from 540 to 1000 rpm according to
the machine configuration, see p.20).
Harvester wheels are used exclusively for cutting height control. Do not immerse the machine
on the ground and do not exceed the maximum cardan inclination angle (25º) during operation.
Do not turn the machine wheels against the ground. Curves and maneuvers should
always be done with the machine raised. Height adjustment can be made at the third point,
leaving the machine level or slightly tilted forward.
Please read the manufacturer's front linkage and power take-off manual carefully.
3.2 - Prohibitions
•It is forbidden to feed the machine manually.
•It is forbidden to climb on the machine turned on during transport or operation.
•It is forbidden to clean or adjust the connected machine.
•It is forbidden to alter or remove the safety shields and warnings from the machine.
•It is forbidden to perform any maintenance or repair operation on the machine with the engine.
of the connected tractor and the gimbal engaged in the tractor's PTO.
•It is forbidden to modify, even partially, any component of the machine.
•It is forbidden to use non-original spare parts.
•It is forbidden to operate the machine and tractor indoors, the carbon monoxide expelled
by the exhaust gases of the tractor is highly toxic.
•It is prohibited to use the machine for any other purpose not specified in this manual.
WARNING
The machine must be disassembled by a skilled technician who is knowledgeable of
the machine, the risks to which it is exposed and how to protect it: dismantle with the
machine safely stopped, the supports well secured and using the appropriate PPE's.
to the task (gloves, boots, glasses).The machine consists of hydraulic system and
metal frame, which must be disposed of separately and in accordance with the
national legislation of the country concerned.
DANGER
Some functional components such as feeder reels need to be partially
exposed for proper operation.
Keep people and animals at a safe distance from the feeding area of the
machine in operation.
PERMANENCE OF UNREACHED PEOPLE NEAR OPERATING MACHINE IS
PROHIBITED.