COSMO Bully UL Series Product manual

ROTARY HOES
UL - SERIES
UL36 (90cm) - UL48 (120cm) - UL60 (150cm)
OPERATOR'S AND PARTS MANUAL
OM1121-21EN-011_AUG_19

Congratulation for purchasing your new COSMO BULLY Rotary Hoe!
This rotary hoe has been designed and manufactured following all safety and quality requirements
needed for a safe and satisfactory use over time.
A careful reading of this manual will permit you to familiarize with your new equipment and will
provide you all the tools needed to use it safely.
A proper maintenance and knowledge of the safety rules of use will allow to obtain the
best performance and a long service life of the machine.
The Safety Alert Symbol used throughout this manual and on safety
decals of the machine indicates the presence of potential hazard to the
operator. When you see this symbol, be alert and carefully read the
message that follows it.
The Safety Alert Symbol is used in conjunction with following Signal Words, according to the
degree of possible injuries that may result operating the implement:
DANGER
Indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.
WARNING
Indicates a potentially hazardous situation that, if not avoided, could result in death or serious injury,
and includes hazards that are exposed when guards are removed. It may also be used to alert
against unsafe practices.
CAUTION
Indicates a potentially hazardous situation that, if not avoided, may result in minor or moderate
injury. It may also be used to alert against unsafe practices.
IMPORTANT
Indicates instructions or procedures that, if not observed, can cause damage to equipment or
environment.
NOTE
Indicates helpful information.
READ, UNDERSTAND, and FOLLOW the safety messages following the Safety Alert Symbol and
Signal Words. Failure to comply with safety messages could result in serious bodily injury or death.

TO THE PURCHASER
This manual contains valuable information about COSMO BULLY ROTARY HOE. It has
been carefully prepared to give you helpful suggestions for operating, adjusting, servicing
repair parts.
Keep this manual in a convenient place for quick and easy reference. Study it
carefully. You have purchased a dependable and sturdy Rotary Hoe, but only by proper care
and operation can you expect to get the service and long life designed and built into it.
RIGHT-HAND AND LEFT-HAND sides are determined by watching from the tractor side.
Sometime in the future your Rotary Hoe may need new parts to replace those are
worn or broken. If so, go to nearest COSMO BULLY dealer and provide him the model and
part number.
Customer information
Name
Purchased from
Purchased date
Model No.
Serial No.

Contents
1. ABOUT THIS MANUAL ................................................................................................................... 1
2. INTRODUCTION ............................................................................................................................... 1
2.1. ROTARY HOE IDENTIFICATION ...................................................................................................................... 1
2.2. INTENDED USE .............................................................................................................................................. 1
2.3. MAIN PARTS DESCRIPTION ........................................................................................................................... 2
2.4. ROTARY HOE SPECIFICATIONS ...................................................................................................................... 3
3. SAFETY ................................................................................................................................................ 4
3.1. GENERAL SAFETY INSTRUCTION ................................................................................................................... 4
3.2. EQUIPMENT SAFETY INSTRUCTIONS ............................................................................................................. 5
3.3. OPERATING SAFETY INSTRUCTIONS .............................................................................................................. 6
3.4. TRANSPORTING SAFETY INSTRUCTIONS ....................................................................................................... 7
3.5. MAINTENANCE SAFETY INSTRUCTIONS ........................................................................................................ 8
3.6. STORAGE SAFETY INSTRUCTIONS ................................................................................................................. 8
3.7. SAFETY LABELS .............................................................................................................................................. 9
4. SET UP .............................................................................................................................................. 15
4.1. LOWER HITCHES POSITIONING ................................................................................................................... 15
4.2. CONNECTING TO THE TRACTOR.................................................................................................................. 16
4.3. DRIVELINE INSTALLATION ........................................................................................................................... 17
4.4. TRACTOR-ROTARY HOE STABILITY .............................................................................................................. 18
5. OPERATING .................................................................................................................................... 19
5.1. START UP ..................................................................................................................................................... 19
5.2. OPERATING INSTRUCTIONS ........................................................................................................................ 20
5.3. ADJUSTMENTS ............................................................................................................................................ 21
5.4. STOPPING AND DISCONNECTION ............................................................................................................... 23
5.5. TRASPORTING ............................................................................................................................................. 24
6. MAINTENANCE .............................................................................................................................. 25
6.1. BLADES REPLACEMENT ............................................................................................................................... 25
6.2. GEARBOX LUBRICATION.............................................................................................................................. 26
6.3. SIDE CASE LUBRICATION ............................................................................................................................. 27
6.4. BEARING HOUSING LUBRICATION .............................................................................................................. 28
6.5. DRIVESHAFT MAINTENANCE ....................................................................................................................... 28
7. STORAGE ......................................................................................................................................... 30
8. SCRAPPING ..................................................................................................................................... 30
9. TROUBLESHOOTING ................................................................................................................... 30
10. TORQUE VALUES TABLE ........................................................................................................... 32
11. WARRANTY .................................................................................................................................... 33
12. SPARE PARTS ......................................................................................................................................
13. EC DECLARATION OF CONFORMITY (For CE Machines only) ............................................

U-Series UL Rotary Rotary Hoes
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1. ABOUT THIS MANUAL
The operator must read the manual for a correct understanding of the hazards that may present
when operating the Rotary Hoe, as well as for obtain optimum performance from the machine.
The manual is part of the machine, it must be kept in good condition and remain with the machine
even in case of resale, until its demolition. In case of loss or damage, request a new copy to the
Manufacturer or your Dealer.
The information, descriptions and illustrations in this manual describes the state of the product at
the time of its publication and may not reflect the product in the future.
The Manufacturer reserve the right to make design improvements or changes in specifications
without incurring in any obligation to install them on units previously sold.
Text, illustrations and drawings of this manual cannot be disclosed or transmitted, in whole or in
part, to third parties without the written permission of the Manufacturer. All rights are reserved.
2. INTRODUCTION
2.1. ROTARY HOE IDENTIFICATION
Each Rotary Hoe has a plate for unique identification. Any request for assistance or information
regarding the machine must be directed to the Manufacturer or Dealer always referring to the model
and serial number as shown on the nameplate affixed to the machine:
2.2. INTENDED USE
The U-series Rotary Hoes are designed to be used uniquely for horticultural, agricultural, or
commercial applications, to till soil for seedbed and planting preparation.
They are designed to be mounted on tractors equipped with hydraulic lift and universal three-point
hitch that can support the implement weight, and driven by the power of the tractor through the
PTO driveshaft.
The tractors used to operate the U-series Rotary Hoes must have the following requirements:

U-Series UL Rotary Rotary Hoes
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Hitch Category: 3-point Cat. I standard, Compatible Quick Hitch I cat. ASAE
PTO: 540 RPM, 6-spline, 1 3/8 Z6
Horsepower: As per given in Technical Specification Sheet
DANGER
Any use of the machine other than the intended use is non-intended use and is to be considered as
unauthorized and dangerous. The manufacturer assumes no liability for damage resulting from non-
intended use.
2.3 MAIN PARTSDESCRIPTION
1.
Rotary Hoe
deck
2. Clevis (lower hitch)
3. Lower hitch pin
4. Upper hitch pin
5. Topmast
6. Implement input connection (tiller PTO)
7. Gearbox
8. Side transmission case
9. Rear board
10. Rotor shaft
11.
Tine
12. Parking stand
13. Skid
14. Cardan driveshaft
15. PTO shield
16. Front Guard (For CE Machines only)
17. Driveshaft Support (For CE Machines
only)
18. Manual Container (For CE Machines
only)
19. Rear Guard (For CE Machines only)
NOTE
Unless otherwise indicated, images shown in this manual refer to the Rotary Hoe model wise.

U-Series UL Rotary Rotary Hoes
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2.4. ROTARY HOE SPECIFICATIONS
ROTARY HOE MODEL
UL36 UL48 UL60
Overall dimensions mm 1035 x 805 x 600 1340 x 805 x 600 1645 x 805 x 600
Tilling width
in 36'' 48'' 60''
cm 92 122 153
Recommended
Tractor HP range HP 15-25 20-35 25-40
3-point Hitch type -
Cat. I,
Compatible Quick
Hitch I cat. ASAE
Cat. I,
Compatible Quick
Hitch I cat. ASAE
Cat. I,
Compatible Quick
Hitch I cat. ASAE
Number of Flanges
on Rot
or
No. 4 6 7
Number of tines
per Flange No. 24 36 42
PTO Input speed rpm 540 540 540
Rotor Shaft Speed
rpm
@540
245 245 245
Standard Tine
Construction - curved curved curved
Transmission type - gear gear gear
Max Working depth cm 16 16 16
Rotor tube
diameter mm 70 70 70
Rotor Swing
Diameter mm 375 375 375
Driveline safety
device - slip clutch slip clutch slip clutch
Weight (driveline
excluded)
lbs 337 399 441
Kg. 153 181 200

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3. SAFETY
Proper use of equipment, a strict observance of the safety messages listed below and application of
all reasonable practices to avoid any risks, prevents accidents or injury, allows the machine to work
better and longer, and minimize the failures. The manufacturer assumes no liability for any damage
resulting from not applying the behavioral rules indicated into the manual.
3.1. GENERAL SAFETY INSTRUCTION
DANGER
The machine must be used only by authorized and trained operators. The operator must have read
and understood the instructions of this manual, it must make adequate preparation for the proper
use of the machine and must hold a driving license. In case of doubt about the use of the machine
and/or the interpretation of this manual, the operator must contact the Manufacturer or the Dealer.
WARNING
The manual must always remain with the machine. In case of loss or damage, request a new copy
to the Manufacturer or your Dealer.
WARNING
Follow strictly the rules prescribed by the safety pictograms applied to the machine.
WARNING
Be sure that all safety pictograms are legible. If pictograms are worn, they must be replaced with
others obtained from the Manufacturer and placed in the position indicated by this manual.
DANGER
Before using the machine, make sure that all safety devices are installed and in good working
conditions. In case of damages of shields, replace them immediately.
DANGER
Is absolutely forbidden to remove or alter safety devices.
DANGER
Before starting, and during operation of the Rotary Hoe, make sure there are no people or animals
in the operation area: the machine can project material from the back, with risks of serious injury
or death.
DANGER
Pay maximum attention to avoid any accidental contact with rotating parts of the machine.
DANGER
During operation, adjustment, maintenance, repairing or transportation of the machine, the operator
must always use appropriate Personal Protective Equipment (PPE).
DANGER
Do not operate the implement while wearing loose fitting clothing that can give rise to entanglement
in parts of the machine.

U-Series UL Rotary Rotary Hoes
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DANGER
Do not operate the implement when tired, not in good condition or under the influence of alcohol or
drugs.
CAUTION
If the use of the machine is required at night or in conditions of reduced visibility, use the lighting
system of the tractor and possibly an auxiliary lighting system.
3.2. EQUIPMENT SAFETY INSTRUCTIONS
WARNING
Use the Rotary Hoe for its intended purpose only. Improper use can damage the Rotary Hoe and
cause serious injury to persons, animals, or death.
DANGER
The machine should be used by a single operator driving the tractor.
WARNING
Any unauthorized modification of the machine may cause problems in safety and relieves the
Manufacturer from any liability for damages or injuries that may result to operators, third parties
and objects.
WARNING
Before using the machine, familiarize yourself with its controls and its working capacity.
WARNING
Do not leave the Rotary Hoe unattended with tractor engine running.
WARNING
Do not operate Rotary Hoe on too muddy, sandy or rocky soils.
WARNING
Keep the machine clean from debris and foreign objects which may damage functioning or cause
injury.
WARNING
Do not use the machine if the category of the connecting pins of the Rotary Hoe does not
match that of the tractor hitch system.
WARNING
Do not use the machine with missing bolts, screws, pins or safety pins.
WARNING
Never use the machine to transport or lift people, animals or objects.
WARNING
Make certain, by adding front ballast, that at least 20% of the total weight (tractor, implement and
ballast) is on the front axle of the tractor, to ensure stability.

U-Series UL Rotary Rotary Hoes
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WARNING
Before engaging the tractor PTO, make sure the tractor PTO speed is set as required for the Rotary
Hoe (540 rpm). Do not over speed PTO or machine breakage may result.
DANGER
Do not operate the Rotary Hoe if the driveshaft is damaged. The driveshaft could be subject to
breakage during operation, causing serious injury or death. Remove the driveshaft and replace it
with an undamaged.
3.3. OPERATING SAFETY INSTRUCTIONS
WARNING
Before using the machine, be sure to have cleared the operating area from obstacles (stones,
branches, debris, etc...). Mark all the obstacles that cannot be eliminated (e.g. by means flags).
DANGER
Never engage the tractor PTO in the presence of people close to the driveshaft. The body, hair or
clothing of a person can get caught in rotating parts, causing serious injury or death.
DANGER
Before engaging the PTO and during all operations, make sure that no person or animal is in
immediate area of action of the machine. Never use the Rotary Hoe if people are in his working
area.
DANGER
It's absolutely forbidden to stand near the Rotary Hoe with moving parts.
WARNING
The operator must operate Rotary Hoe lifting/lowering only from the driving seat of the tractor. Do
not perform lifting maneuvers on side or behind the tractor.
WARNING
Before making changes in direction, turns or going in reverse, slightly lift the Rotary Hoe from the
ground after disengaging the power take-off, to avoid damage to the machine.
DANGER
In presence of steep slopes (greater than 15 degrees) the tilling action may cause instability of the
tractor, with risk of tipping and consequent serious injury or death hazard. Consult the manual for
the tractor to determine the maximum slope that the tractor is able to deal with.
DANGER
Always disengage the PTO before raising the Rotary Hoe, and never engage the PTO with the Rotary
Hoe in the raised position. The machine might throw objects at high speed, causing serious injury
or death.
WARNING
Never leave the driver's seat when the tractor is turned on. Before leaving the tractor, lower the
Rotary Hoe to the ground, disengage the PTO, insert the parking brake, stop engine and remove
the key from the control panel.