UNIA KOS Premium Operating And Maintenance Manual

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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CE Declarat ion of Conformity

CE Declaration of Conformity

UNIA Sp. z o.o.

st. Szosa Torunska 32/38

86 – 300 Grudziadz, Poland

Herewith declare with full responsibility that our product:

cultivator for simplified tillage

KOS PREMIUM / KOS PREMIUM LONG

type / model : ……………………………………. manufacturing year : …………………………….. serial no. : ………………………………………..

is in compliance with the Ordinance of the Minister of

Economy of October 21, 2008 (Journal of Laws No. 199, item

1228) and the EU Directive 2006/42/EC of May 17, 2006 and the Ordinance of the Minister of Infrastructure of May 4, 2009 ( Journal of Laws No. 75/2009, item 639) and the following standards:

PN-EN ISO 12100:2012

PN-EN-ISO 13857:2010

PN-ISO 3600:1998

PN-EN-ISO 4413:2011

PN-ISO 11684:1998

PN-EN 349+A1:2010

PN-EN ISO 11688-1:2010

PN-EN 14017+A2:2009

PN-EN ISO 4254-1:2016-02

PN-EN 13739-1:2012

This CE Declaration of Confor mity is no lon ger valid if the

machine has been modified or reconstructed without the

manufacturer’s consent.

Grudziądz, 05.12.2017

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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UNIA Sp. z o.o.

st. Szosa Torunska 32/38

PL 86 – 300 Grudziadz

tel. + 48 56 451 05 00

fax. + 48 56 451 05 01

Service tel. + 48 56 451 05 26

uniamachines.com

KOS PREMIUM

MAINTENANCE AND OPERATING

MANUAL

Machine identification data:

Type

Production year

Serial no.

This maintenance and operating manual is an integral part of the

machine. It is important that the manual is always in the possession

of the machine user. Access to the manual should be provided to

machine operators and cooperating persons while operation,

regulation, repairs and renovations.

Before starting the machine please read the operating

manual and follow the recommendations and

instructions regarding safety and proper usage of the

machine.

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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Table of contents

PREFACE: .......................................................................................................................................................................... 5

1.

Precautions ............................................................................................................................................................... 5

1.1 Before you Begin to Use Your Machine ...................................................................................................... 5

1.2 Health and safety regulations ..................................................................................................................... 5

1.3 Servicing ...................................................................................................................................................... 6

1.4 Transport on highways ................................................................................................................................ 7

1.5 Safety Symbols ............................................................................................................................................ 7

1.6 Nameplate ................................................................................................................................................... 9

2.

Technical and Identification Data ........................................................................................................................... 10

2.1 KOS PREMIUM / KOS PREMIUM LONG Specifications ............................................................................... 12

3.

Operating Manual ................................................................................................................................................... 13

3.1 First Start ................................................................................................................................................... 13

3.2 Preparation of the Unit (Tractor + Machine) ............................................................................................ 13

3.3 Mounting and Disconnection of machines................................................................................................ 14

3.3.1

Mounted machines .............................................................................................................................. 14

3.3.2

Semi-mounted machines ..................................................................................................................... 15

3.4 Access to the Field – Transport ................................................................................................................. 16

3.4.1

Mounted machines .............................................................................................................................. 16

3.4.2

Semi-mounted machines ..................................................................................................................... 17

3.5 Adjustment of the Cultivator..................................................................................................................... 18

3.5.1. Working Depth Adjustment - KOS PREMIUM ...................................................................................... 18

3.5.2. Adjustment of the Working Depth of the KOS PREMIUM Disc Harrow Type A ................................... 19

3.5.3. Extreme Disc Adjustment in the KOS PREMIUM/KOS PREMIUM LONG Harrow Type A and B ...... 19

3.5.4. Heavy-Duty Tine, Type CX.................................................................................................................... 20

3.5.5. Working Depth Adjustment -KOS PREMIUM LONG ............................................................................ 21

3.5.6. Adjustment of Scraping Disc Harrow Type B in the KOS PREMIUM, type A and B in the KOS PREMIUM

LONG ................................................................................................................................................... 23

4.

Operation (see par. II Safety) .................................................................................................................................. 24

5.

Servicing and Maintenance ..................................................................................................................................... 24

5.1 General ...................................................................................................................................................... 24

5.2 Replacement of the Machine Components............................................................................................... 25

5.3 Hydraulic System ....................................................................................................................................... 25

5.4 Lighting ...................................................................................................................................................... 25

5.5 Bolt, screw and nut tightening torques (Nm) ............................................................................................ 25

5.6 Lubrication ................................................................................................................................................ 26

5.7 Storage of the Cultivator ........................................................................................................................... 28

5.8 Disassembly and Disposal ......................................................................................................................... 28

5.9 Warranty Conditions and Warranty Services ............................................................................................ 28

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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PREFACE:

When buying the machine, check completeness of its accessories that include the following components:

• Operating Manual

• Warranty Card

1. Precautions

1.1 Before you Begin to Use Your Machine

• Read the instruction manual.

• Pay always special attention to the text and illustrations marked with this

symbol!

• These machines are intended for agricultural use only. Any use outside of this purpose shall

be considered as not intended use. Learn how to use your machine correctly and carefully!

• The machine may be dangerous when driven by not authorized individual or when operated

carelessly.

1.2 Health and safety regulations

• Before each start, check whether the tractor and machine are safe for road traffic and

operation!

• The tractor working with the machine must be equipped with the weights on the front axis!

Balance of the tractor with the attached machine, its steerability and braking ability must always be kept.

• When connecting and disconnecting the machine to/from the tractor, its lifting and lowering

on the hydraulic lift of the tractor, setting the machine in the transport and working positions and on the headlands, ensure that no bystanders and in particular children are present in the vicinity of the machine. Perform these operations slowly, without sudden jerks!

• Never stay between the tractor and cultivator when the tractor’s engine is running!

• The machine may only be operated, maintained and repaired by the personnel who know its

construction and are aware of the existing hazards!

• There are some places where crushing or cutting may occur on the parts actuated by the

forces other than the human force (e.g. the hydraulic system). When connecting the hydraulic hoses to the hydraulic system of the tractor, always ensure that the hydraulics is depressurized! Check positions of the control levers of the tractor hydraulic system. Only actuate the hydraulically operated attachments when there is nobody present within their range of operation! Check the hydraulic hoses on regular basis and replace them with new items when damaged or worn!

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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• When driving on highways with the machine attached, lock the operating lever against its

lowering!

• The attached warning and indicating signs contain information on safe work: they are

intended for your safety!

• Before you start work, learn thoroughly operation of all devices and actuators and functions of

the machine. It is too late for this after you start work!

• Avoid wearing any loose clothing, which could be caught by rotating components of the

machine.

• Always keep the machine clean in order to avoid fire!

• Always check the surroundings before you start operation. Make sure that you have sufficient

visibility!!

• Never back or reverse the tractor when the machine is lowered to the working position. When

reversing, pay attention to the components that protrude far away and do not use the independent brakes of the tractor!

• Check air pressure in the wheels of the tractor and cultivator regularly.

• Never transport people on the machine and load it with any additional weights when

operating the machine or transporting it!

• Check and attach the traffic equipment, such as lighting, warning devices and possible

protective devices.

• Observe the admissible axial loads, total weights and transport dimensions.

• Check tightness of screws and nuts on regular basis and tighten them if required.

• Always use appropriate tools and wear safety gloves when changing tools.

• The spare parts must be conforming to the revisions specified by the manufacturer. This may

only be provided by the genuine spare parts. Use typical protection devices and pins for securing all bolts of the unit (tractor + machine). Never use any temporary means of protection, such as screws, bars, wires etc., which can cause damage to the machine or tractor during transport and cause a safety hazard for other road users!

• Attach and disconnect the machine to/from the tractor after having parked the machine on a

flat and hardened surface and with the tractor engine stopped. Store the machines unfolded.

• Store the machine in the locations inaccessible for unauthorized people or animals when not

in use.

• Besides the above guidelines, follow the general safety rules.

1.3 Servicing

• Service the machine when it is lowered onto the ground! If the machine is

coupled with the tractor, engine of the tractor must be off and brakes on!

• Use only tools in good technical condition and genuine materials and spare parts for servicing

• Always protect the machine with appropriate supports when performing any maintenance or

repair work on the machine lifted up.

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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1.4 Transport on highways

• Never exceed the speed limits allowed on highways and follow traffic

regulations of the respective country!

• Pay special attention when passing and overtaking other vehicles and on

curves (the unit is pivotally connected to the tractor)!

• The machine, as the part of the vehicle that protrudes outside the rear side outline of the

tractor covering the rear lamps of the tractor, poses a threat for other vehicles in the traffic.

• When transporting the machine on highways, always use warning lights, distinguishing plate

and side reflectors.

• Maximum width of the machine, which can be moved on highways is specified in the detailed

regulations of the country of use. They should be observed

1.5 Safety Symbols

A

Read through the Operating Manual thoroughly before operating the machine

B

Stop the tractor engine and take away the ignition key before any servicing and repair work

C

Keep safe distance off the machine

D

Never reach into the crushing area as long as the components can move

E

Stay away of the machine tilting area

F

Points of attaching hooks of the lifting equipment

G

Speed limit sign

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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H

UWAGA

PROSIMY O REGULARNE SMAROWANIE PUNKTÓW SMARNYCH

ATTENTION

PLEASE OIL REGULARLY LUBRICATION POINTS UNDER THE OPERATING MANUAL

ACHTUNG

WIR BITTEN REGELMABIG DIE SCHMEIRSTELLEN LAUT BEDIENUNGSANLEITUNG ZU SCHMIEREN

Lubricate the machine on regular basis

I

ACCORDING TO THE ROAD SAFETY REGULATIONS (REGULATION OF THE MINISTER OF

INFRASTRUCTURE OF 31/12/2002 - DZ. U. NO. 32 OF 2002, ITEM 262), DRIVE ON HIGHWAYS ONLY AFTER HAVING OBTAINED AUTHORIZATION FROM THE COMPETENT HIGHWAYS ADMINISTRATION BODY WHERE THE JOURNEY BEGINS.

For the machines that exceed the allowable transport width 3.0m

Safety signs and inscriptions should be protected against damage, dirt and overpainting. Replace any damaged or illegible signs and inscriptions with new ones that are available from the manufacturer or vendor of the machines.

Fig. 1. Location of the safety symbols - KOS PREMIUM

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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1.6 Nameplate

The unit data can be found on the nameplate, which is mounted on its front.

Fig. 2. Location of the safety symbols – KOS PREMIUM LONG

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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2. Technical and Identification Data

KOS PREMIUM / KOS PREMIUM LONG cultivators are versatile units used for ploughless tillage,

well-proven in the technology of simplified cultivation, and thanks to the tines with undercutters, also for skimming. These machines have the following standard equipment:

• suspension axle: 825/ø36 mm

• semi-mounted axle, 825/ø36 mm (KOS PREMIUM LONG)

• 2 rows of CX tines with pad-welded chisels and 370 mm undercutters,

• external CX tines with raking mouldboards

• ø460 mm disc harrow (type A) with rubber shock-absorption, mechanically adjustable

• ø600 mm pipe roller

• hydraulic adjustment of working depth (KOS PREMIUM)

• mechanical adjustment of working depth (KOS PREMIUM LONG)

• chassis with wheels 340/55-16 (KOS PREMIUM LONG)

Accessories at extra charge:

• set of front support wheels (KOS PREMIUM LONG)

• harrow type B

• warning plates kit

• warning plates kit with lamps

• cultivating roller, as required.

• possibility of mounting the ETA seeder

The machines are manufactured in the following widths:

• 3,0m; 3,5m; 4,0m – KOS PREMIUM

• 3,0m; 4,0m – KOS PREMIUM LONG

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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Fig. 3. Construction of KOS PREMIUM

Fig. 4. Construction of KOS PREMIUM LONG

Warning plates kit (lighting)

warning plates kit (lighting)

Roller jig

Jigs

Roller

Hydraulic cyli n der

Chassis cylinder

Roller

Harrow adjustm e nt

Scraping disc harrow

Harrow jig

Tines

Carriage

Suspension axle

Strut

Harrow

Frame

Tines

Support wheel

Suspension axle

Carriage

Turnbuckle

Support

Drawbar

Harrow adjustm e nt

chassis with wheels

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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2.1 KOS PREMIUM / KOS PREMIUM LONG Specifications

Table 1.

Item Parameters U/m

Type of unit

3

3,5

4

3 LONG 4 LONG

1

Type of

cultivator - Mounted Semi-mounted

2

Working width

m 3 3,5 4 3 4

3

No. of discs

– harrow A

9 10 13 9 13

4

No. of discs

– harrow B pc. 16 20 24 14 20

5

No. of

CX tines pc. 8 10 12 8 12

6

Tine spacing

cm 37 37 37 37

37

7

Ma

x. working depth of tines

cm 15 (with undercutters) 30 (without undercutters)

8

Ma

x. working depth of discs

cm 8÷9

9

Clearance under the frame

cm 85

10

Spacing of tine rows

cm 75

11

Working speed

km/h 10÷15

12

Effective capacity

ha/h 3,0÷4,5 3,5÷5,25 4,0÷6 3,0÷4,5 4,0÷6,0

13

Power demand

HP 120÷150 140÷170 160÷190 140÷170 180÷220

14

Operators

No. one

15

Overall dimensions

L

cm

400 400 400 730 730

W 375 425 460 365 460

H 160 160 160 160 160

16

Transport width

m

3

3,5

4

3

4

17

Weight without accessories

kg

1840 2000 2100 3100 3300

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3. Operating Manual

3.1 First Start

Before the first start of the machine:

• read the Operating Manual thoroughly

• check technical condition of the unit, and in particular, condition of its working parts,

mechanisms protecting tines from overload and the hydraulic system. When finding any damaged or worn parts, replace them with new ones

• check tightening of all screws, bolts and nuts. Tighten any loose nuts especially at the

beginning of operation of the machine

• check fitting of the quick-connectors of the hydraulic hoses of the machine to the sockets

on the tractor

• check, whether the disc coulters, rollers and spindles (turnbuckles) can rotate without any

jams

• check the pressure in tyres acc. to the manufacturer’s recommendations

• check, whether the components requiring lubrication are lubricated

• check, whether the machine attachment system fits the tractor attachment system

3.2 Preparation of the Unit (Tractor + Machine)

• pressure in the tractor wheels must be equal on the same axle in

order to provide uniform working depth of the machine

• the tractor lower links (c) must be stiffened (lock the oblong holes)

and at the same height above the ground level

• set the lifting rods of the tractor links (w) so that you can pull down

the lower links to the height below the hitch axle in order to achieve the required working depth, while obtaining sufficient lifting height of the links for transport

• mount the front axle weights in order to keep balance of the tractor

and the machine

• quick-connectors of the machine hydraulic hoses must fit the

sockets on the tractor

• the hitch axle should be in the middle of the machine

• category of the lower articulated joint of the hitch axle must be the

same on both the tractor and the machine sides!

Fig.6. Front axle weight

Fig. 5. Tractor lifting rod

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.3 Mounting and Disconnection of machines

3.3.1

Mounted machines

The tractor should stand on a hard and plain surface in order to connect the machine to it in a correct and safe way.

Fig. 7. Connecting of the mounted machine

a) Mounting

• shift the tractor hydraulics to the position adjustment

• remove the bolt from the hole [D]

• back the tractor to a distance that allows connection of the lower tie rods [C] with holes [D]

• insert the bolt by joining the hole [D] with the lower tie rod [C]. Secure the bolt with a

cotter pin.

• connect the upper tractor connector [A]. Select position of the upper bolt [B] in the

carriage acc. to the requirements and terrain. During work of the cultivator, the upper fixing point should be located higher than the point of fixing this connector to the tractor

• connect the hydraulic hoses of the unit to the tractor's external hydraulics and check the

tightness of the hoses. Check the lifting, lowering and operation of the unit’s hydraulics. Remember to connect all hoses to all tractor 2-way hydraulic connectors in pairs

b) Disconnecting

• lower the cultivator onto a flat and hard surface

• depressurize the cultivator hydraulic system by shifting the tractor hydraulic levers to their

free (floating) position

• disconnect the hydraulic lines of the unit from the tractor's external hydraulics

• remove the lower tie rods’ pins and disconnect upper link of the tractor

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.3.2 Semi-mounted machines

The tractor should stand on a hard and plain surface in order to connect the machine to it in a correct and safe way.

Fig. 8. Connecting of the machine

a) Mounting

• shift the tractor hydraulics to the position adjustment

• back the tractor to a distance that allows connection of the suspension axle [A] to the

tractor lower tie rods [B]

• secure the suspension axle [A] with tractor’s tie rods [B] by means of cotter pins.

• attach safety chain [D] to the appropriate place at the tractor

• connect the machine hydraulic hoses to the tractor external hydraulic system and check

the hoses for tightness. Check lifting, lowering and operation of the unit’s hydraulics. Remember to connect all hoses to all tractor 2-way hydraulic connectors in pairs.

• lift and secure the support [C]

b) Disconnection

• lower and secure the support [C]

• lower the machine onto a flat and hard surface

• disconnect the safety chain [D]

• depressurize the cultivator hydraulic system by shifting the tractor hydraulic levers to their

free (floating) position

• disconnect the hydraulic hoses

• disconnect the suspension axle [A]

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.4 Access to the Field – Transport

3.4.1 Mounted machines

Fig. 9. Transport – KOS PREMIUM

• width of the machine can exceed 3.0m depending on the accessories

• fold the frame extensions [A] with the external discs. Remove the cotter pin and the bolt [B],

rotate the extension arm of 180° on the hinge and secure it in the upper position with the bolt and the cotter pin

• after finishing your work, clean the machine from soil and other dirt

• clean the warning components (lighting – optional accessory) from dirt

• a unit consisting of a tractor and agricultural machine connected to it must meet the same

requirements as the tractor alone

• adjust the chains tensioning the side tow bars (stabilizers) of the tractor accordingly before

driving; they should limit the excessive side movements of the unit

• observe the ‘Road Traffic Law’ regulations when driving on highways

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.4.2 Semi-mounted machines

Fig. 10. Transport – KOS PREMIUM LONG

• pressurize the hydraulic cylinders [A] by lifting them to the extreme position, this will raise

the machine and lower the wheels to the transport position. In order to protect the cylinders from folding, close the shut off valves [D].

• fold the frame extensions [A] with the external discs. Remove the cotter pin and the bolt [B],

rotate the extension arm of 180° on the hinge and secure it in the upper position with the bolt and the cotter pin

• after finishing your work, clean the machine from soil and other dirt

• clean the warning components (lighting – optional accessory) from dirt

• a unit consisting of a tractor and agricultural machine connected to it must meet the same

requirements as the tractor alone

• adjust the chains tensioning the side tow bars (stabilizers) of the tractor accordingly before

driving; they should limit the excessive side movements of the unit

• observe the ‘Road Traffic Law’ regulations when driving on highways

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.5 Adjustment of the Cultivator

3.5.1. Working Depth Adjustment - KOS PREMIUM

KOS PREMIUM units are designed for operation up to 15 cm with undercutters and up to 30 cm without undercutters. Do not exceed these values.

• perform hydraulic adjustment by pressurizing the cylinder [A] from the tractor cab, which

extends the cylinder. Then, put on the required number of stops [B] and pressurize the cylinder [A] again to slide it back to the stops [B]. Through this, you can raise or lower the rear roller of the machine. Secure the cylinder [A] against dropping down with the lever [C].

• when adjusting the working depth with the cylinder, keep in mind the parallel position of

the machine frame during operation. Lower the machine correctly on the tractor threepoint linkage/hitch.

• if required, repeat the steps above several times to obtain the desired working depth.

• after setting the working depth, you can begin adjustment of the disc harrow.

If the adjustment range does not match the actual field conditions, you can change it by varying the cylinder length:

• remove the nut and pull out the bolt [D]. Caution: the cylinder tip can be

released freely, endangering your health, so support or suspend it

• extend the cylinder to its extreme position [A] by applying pressure to it

• screw the cylinder head in or out, aligning the hole in it with the hole in the

carriage

• secure the cylinder with the bolt and the nut

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.5.2. Adjustment of the Working Depth of the KOS PREMIUM Disc Harrow Type A

Fig. 12. Working Depth of the KOS PREMIUM Disc Harrow Type A

• Set the position of the harrow by turning the adjustment spindle handle [A] accordingly: the

longer the spindle, the deeper harrow operation.

• The harrow should never operate deeper than the tines.

• The harrow is used for levelling the field surface after the tine section passage.

3.5.3. Extreme Disc Adjustment in the KOS PREMIUM/KOS PREMIUM LONG Harrow

Type A and B

We do this in order to reduce the depth of the trace at the edge of the machine’s working width (if any.)

Fig. 13. Extreme disc

• Extend the extension arm together with the coulter to the Operation position

• Loosen the bolts [A]

• Rotate the arm with the coulter in order to set it to deeper or shallower operation (turning

to the roller makes it operates shallower)

• Tighten the bolt [A]

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3.5.4. Heavy-Duty Tine, Type CX

Fig. 14. Heavy-Duty Tine

• Tines of KOS PREMIUM / KOS PREMIUM LONG feature automatic protection against overload

in the form of a compression spring.

• Overload protection is preset to 5500N of the trigger force on the coulter share point.

THIS SETTING MUST NOT BE CHANGED!

• only trained personnel may disassembly the protection device.

• any intervention in the mechanism may result in serious personal injury or even death.

• check all screw connections around the tine and tighten any loose connections before each

use.

• measure the spring tension (compression) on a regular basis..

• a sheared bolt [A], which breaks after exceeding a limit value is an additional safety measure.

USE ONLY GENUINE PROTECTION DEVICES!

• replace any working components as soon as the effects of the machine operation

deteriorate.

• remove the screws [D] to replace the undercutters.

• remove the screws [A] to replace the coulter.

• remove the screws [B] to replace the mouldboard.

• remove the screws [D] to replace the narrow coulter.

• you may need to use a drift in order to remove the screws from the slots after removing the

nuts.

• remove the undercutters before replacing the coulter.

USE ONLY GENUINE SPARE PARTS!

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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3.5.5. Working Depth Adjustment -KOS PREMIUM LONG

KOS PREMIUM LONG units are designed for operation up to 15 cm with undercutters and up to 30 cm without undercutters. Do not exceed these values.

Setting the working depth in the KOS PREMIUM LONG machine is done by adjusting:

• height of roller position

• turnbuckles on the drawbar

• support wheels (option)

a) working depth adjustment on the roller

Fig. 15. Working depth adjustment on the roller – KOS PREMIUM LONG

• work adjustment with a roller is based on blocking the jig’s position. This is achieved by

placing the bolts [A] in the respective holes of the plate [B] while lowering or lifting the machine on the chassis.

• repeat these steps several times to achieve the desired working depth

• after adjusting the depth, you can adjust the turnbuckle on the drawbar

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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b) Working depth adjustment on the drawbar

Fig.16. Working depth adjustment on the drawbar - KOS PREMIUM LONG, drawbar’s length adjustment

(option)

After having set the depth of machine on the roller in the KOS PREMIUM LONG set the appropriate depth on the drawbar. The determinant is the parallel position of the frame in relation to the ground during operation.

• Adjustment with the turnbuckle involves turning the turnbuckle [A] to the left or right so

that you can raise or lower the front of the machine

Optionally, the machine is provided with a pull-out drawbar that allow setting of 3 different lengths, i.e. 2.2m (factory setting), 2.7m and 3.2m accordingly. They are used for working with tractors with twin wheels mounted. Perform this adjustment on the machine lowered.

• Detach and remove the hydraulic hoses and electric cables from the front drawbar [C]

• Remove the nut and pull out the bolts [B]

• Pull the front part of the drawbar [C] to the next holes (you can repeat the step

one more time)

• Caution: Never pull the drawbar to the end since it can fall out of its guides,

which can cause personal injuries

• Lock the drawbar in the new position by inserting the bolts and securing the nuts

• Replace the hydraulic hoses and electric cables

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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c) Working Depth Adjustment on the Support Wheel in the KOS PREMIUM LONG

(option)

Fig. 17. Working Depth Adjustment on the Support Wheel in the KOS PREMIUM LONG (option)

• Adjustment with the turnbuckle involves turning the turnbuckle [A] to the left or right so

that you can raise or lower the support wheel

3.5.6. Adjustment of Scraping Disc Harrow Type B in the KOS PREMIUM, type A and B

in the KOS PREMIUM LONG

After setting the depth on the roller, drawbar or support wheel (option), we can start adjusting the scraping disc harrow.

Fig. 19. Adjustment of Scraping Disc Harrow Type B in the KOS PREMIUM,

type A and B in the KOS PREMIUM

LONG

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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Perform adjustment by shifting the position of the harrow frame evenly, using two adjustment mechanisms. You can make large depth adjustments in several small passes on both mechanisms alternately; otherwise you will lock the mechanism.

• loosen the locknut and the bolts [A] on both mechanisms

• unlock and pull out the locking bolts [C], 4 pieces

• while turning the mechanism handle [B], change the position of the harrow in the desired

direction. Remember to shift the mechanisms alternately

• align the holes in the harrow frame with the holes in the jibs

• insert the securing bolts [B], and secure them, 4 pieces

• lock the mechanisms with the bolts and the locknuts [A]

• the harrow may never operate below the level of operation of the tines

• the harrow is used to level the field area after the tine section pass

4. Operation (see par. II Safety)

Before beginning the field work with the machine:

• disassemble the warning signs (together with the screwed brackets) for transport on

highways,

• switch the hydraulic system to the position or mixed control mode.

Adjust the cultivator during the first passage. When the unit is correctly levelled, its frame is parallel to the ground. When the cultivator becomes clogged with excessive amount of plant debris, clean it by lifting up on the tractor hydraulic lift for a while.

5. Servicing and Maintenance

5.1 General

• always use the genuine spare parts since they are of the proper quality and fit the

machine correctly. Besides, it is one of the warranty conditions.

• always set the machine on a hard and equal surface, supported on its wheels and

supports before beginning any work at it. Also, disconnect the machine from the tractor.

CAUTION! THE HYDRAULIC SYSTEM IS PRESSURIZED!

CAUTION! THE LIGHTING SYSTEM IS LIVE!

OPERATING AND MAINTENANCE MANUAL KOS PREMIUM

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5.2 Replacement of the Machine Components

• replace all working parts (wearing parts) in due time to protect the

other, more expensive assemblies against wear.

• contact the manufacturer’s service department in order to replace

any component of the hydraulic system and springing.

5.3 Hydraulic System

• drain all oil remaining in the hydraulic system before first start and fill the system with oil

recommended and used in the tractor connected to the machine.

• check the hydraulic system and cylinders for leaks every day and remove any leakages as

soon as possible.

• take care of the cleanliness of the cylinders and especially their piston rods.

• set the machine in the parking position, and depressurize the system before beginning any

work at the hydraulic system.

• only connect and disconnect the hoses to and from the tractor when the hydraulic system is

depressurized.

• replace the hydraulic hoses after five years of operation of the machine at the latest.

5.4 Lighting

• check the correct connection of the 7-pin plug outputs before the first start.

• check the lighting, plug, wiring and lamps every day.

• check cleanliness of the reflector plates.

5.5 Bolt, screw and nut tightening torques (Nm)

Table 2.

Strength class of bolts

size

pitch

6.8 8.8 10.9 12.9

P

1.

2.

3.

4.

5.

6.

M4

0,7

2,4

3,2

4,5

5,2

M5

0,8

4,5 6 8,4

10

M6 1 8

11

15

17

M8

1,25

18

27

34

40 1 16

21

30

35

M10

1,5

35

46

65

76

1,25

31

41

57

67

1

27

36

50

59

M12

1,75

59

79

111

129

1,25

49

65

91

107

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M14

2

92

124

174

203

1,5

76

104

143

167

M16

2

127

170

237

277

1,5

104

139

196

228

M18

2

194

258

363

422

1,5

135

180

254

296

M20

2,5

250

332

469

546

1,5

172

229

322

375

M22

2,5

307

415

584

682

1,5

212

282

397

463

M24

3

432

576

809

942

2

322

430

603

706

M27

3

640

740

1050

1250

2

480

552

783

933

M30

3,5

755

1000

1450

1700

2

560

745

1080

1270

M36

4

980

1290

1790

2020

2

730

960

1340

1500

5.6 Lubrication

Use mineral oils for lubrication. Clean the lubrication points before lubricant injection. Lubricate at the marked points (table no. 3). If the machine worked less number of hectares, please lubricate it before starting work and after its completion, and at all lubrication points

Fig. 20. KOS PREMIUM - lubrication

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Fig. 21. KOS PREMIUM LONG - lubrication

Table 3.

Item

Designation

Specification

Lubricant grade

Lubrication interval (h)

1

A

Tine sleeves, 3 points ŁT-4S-3 grease 20

2 B Roller bearings -II- 20

3 C Cylinder heads -II- 200

4

D

Harrow A adjustment,

2 points

-II- 200

5 E Suspension axle joints -II- 100

6

F

Support wheel hub -II- 200

7

G

Wheel jig -II- 200

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5.7 Storage of the Cultivator

Clean the machine from soil each time after finishing work and then inspect all parts and assemblies. Replace any worn or damaged parts with new ones. Tighten any loosen screw connections. Store the machine on hardened surfaces.

After the season:

• clean the cultivator thoroughly

• lubricate the machine at the specified lubrication points

• wash faces of the coulter discs, rollers and hitch axle pivots with kerosene and protect them

against corrosion applying grease with brush

• repair spot defects of the paintwork by repainting

• when the machine is to be stored outdoors in winter – disassembly the hydraulic cylinder

together with the hoses and keep them in a dry, well ventilated and possibly darkened room

5.8 Disassembly and Disposal

After its working life, the cultivator is to be scrapped. Disassembly should be performed by a specialized company.

5.9 Warranty Conditions and Warranty Services

Agricultural machinery is warranted to the provisions specified in the Instruction

Manual for proper operation and maintenance. Under the warranty period, only the genuine parts made by ‘UNIA’ Grudziądz may be used.

Any modifications or repairs made by the user are not allowed in the warranty period. This may lead to loss of warranty. For more detailed information on how to file a complaint, see the Warranty Card attached to each machine together with its Operating Manual.

The warranty services are performed by: the supplier (dealer) entered to the Warranty Card when buying the machine.

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COMMENTS AND NOTE

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