LEMKEN Rubin 12 U User manual

Operating Instructions
Compact Disc Harrows
Rubin 12 U
- EN -
Item no.
17510725
1/08.13
LEMKEN GmbH & Co. KG
Weseler Straße 5, 46519 Alpen / Germany
Telephone [phone], Fax [phone]
[email protected], www.LEMKEN.com

1
Dear customer,
Thank you for the trust you have placed in us by purchasing this device. The de-
vice can only be used to its full advantage when operated and used properly.
When the device was delivered, you will already have been instructed in opera-
tion, adjustment and maintenance by your dealer. However, this brief instruction is
not a substitute for thorough study of the operating instructions.
These operating instructions will help to familiarise you with the LEMKEN GmbH &
Co. KG device and the options available for using it.
The operating instructions contain important information about how to operate the
device safely, properly and efficiently. Following the instructions will help to pre-
vent hazards, faults and down times and will increase reliability and service life.
Read the operating instructions carefully and attentively before commissioning.
Make sure that the operating instructions are always available at the location
where the device is used.
The operating instructions must be read and followed by anyone who is involved
in carrying out the following work:
Coupling and uncoupling
Adjustments
Operation
Maintenance and repairs
Troubleshooting, and
Final shutdown and disposal.

2
Spare parts ordering
This device is supplied with a specification listing all assemblies that are relevant
for the product. The spare parts list valid for your device includes both those as-
semblies relevant to you and those that are not intended for your device. Make
sure that you only order spare parts that belong to the assemblies that can be
found on your specification or the enclosed print out. When ordering spare parts,
state the type designation and serial number of the device. This information can
be found on the rating plate. Enter this data in the fields below so that it is always
to hand.
Type designation:
Serial number:
Remember that you should only use genuine LEMKEN spare parts. Reproduction
parts have a negative influence on the function of the device, have a shorter ser-
vice life and present risks and hazards that cannot be estimated by LEMKEN
GmbH & Co. KG. They also increase the maintenance costs.
Service and spare parts
Information on service and spare parts is available from your local dealer or our
website at www.lemken.com.

Contents
3
CONTENTS
Contents...........................................................................................................................3
1General information..................................................................................................8
1.1Liability...........................................................................................................................8
1.2Guarantee.......................................................................................................................8
1.3Copyright .......................................................................................................................9
1.4Optional accessories ....................................................................................................9
2Symbols used in the Operating Instructions........................................................10
2.1Hazard classes ............................................................................................................10
2.2Information...................................................................................................................10
2.3Environmental protection...........................................................................................10
2.4Indication of passages................................................................................................11
3Safety measures and precautions.........................................................................12
3.1Target group................................................................................................................12
3.2Intended use................................................................................................................12
3.3Safety features of the device......................................................................................13
3.4Safety and warning signs...........................................................................................14
3.4.1General information ................................................................................................... 14
3.4.2Meaning of warning signs .......................................................................................... 14
3.4.3Position of safety and warning stickers...................................................................... 16
3.5Special safety instructions.........................................................................................17
3.6Hazardous areas..........................................................................................................19
3.6.1Hazardous areas during operation of the device ....................................................... 19
3.7Residual risks..............................................................................................................20
3.7.1Hazard caused by mechanical systems..................................................................... 20
3.7.2Hazard caused by hydraulic systems ........................................................................ 20
3.7.3Hazard during operation ............................................................................................ 20
3.8Applicable rules and regulations...............................................................................20

Contents
4
3.9Operation on public highways...................................................................................21
3.9.1Lighting system and identification.............................................................................. 21
3.9.2Requirements of the tractor ....................................................................................... 21
3.9.3Axle loads .................................................................................................................. 22
3.9.4Check before departure ............................................................................................. 26
3.9.5Correct behaviour in road traffic ................................................................................ 26
3.10Obligation of the operator ..........................................................................................27
3.11Operating the device safely........................................................................................28
3.11.1General information................................................................................................ 28
3.11.2Personnel selection and qualifications ................................................................... 29
4Handing over the device.........................................................................................30
5Layout and description...........................................................................................31
5.1Overview ......................................................................................................................31
5.2Function.......................................................................................................................32
5.2.1Headstock.................................................................................................................. 32
5.2.2Hollow discs............................................................................................................... 32
5.2.3Working depth adjustment for the hollow discs.......................................................... 32
5.2.4Drawbar ..................................................................................................................... 32
5.2.5Rebound harrows ...................................................................................................... 32
5.2.6Levelling harrow ........................................................................................................ 32
5.2.7Rollers ....................................................................................................................... 33
5.2.8Lighting system.......................................................................................................... 33
5.2.9Uniwheel.................................................................................................................... 33
6Preparation of the Tractor......................................................................................34
6.1Tyres.............................................................................................................................34
6.2Lift Rods.......................................................................................................................34
6.3Check chains/stabilisers on the three-point linkage................................................34
6.4Required power sources.............................................................................................34
6.5Hydraulic equipment required....................................................................................35
6.6Three-point connection...............................................................................................36

Contents
5
6.7Hydraulic system.........................................................................................................38
6.7.1Transport ................................................................................................................... 38
6.7.2Work assignment....................................................................................................... 38
6.7.3Coupling and uncoupling ........................................................................................... 38
7Attaching the implement ........................................................................................39
7.1Attachment...................................................................................................................40
7.2Cross shaft...................................................................................................................42
7.3Upper control link........................................................................................................44
8Driving on public highways ...................................................................................46
8.1General information ....................................................................................................46
8.2Preparation for driving on public roads....................................................................46
8.3Lighting system...........................................................................................................46
8.4Outer hollow discs ......................................................................................................47
8.4.1Folding the outer hollow discs ................................................................................... 47
8.4.2Unfolding the outer hollow discs ................................................................................ 48
8.5Uniwheel.......................................................................................................................49
9Operation .................................................................................................................52
9.1Working depth of the hollow discs............................................................................53
9.1.1Mechanical working depth adjustment....................................................................... 54
9.1.2Hydraulic working depth adjustment .......................................................................... 56
9.2Rebound harrows........................................................................................................57
9.3Levelling harrow..........................................................................................................58
9.4Rollers..........................................................................................................................59
9.4.1General...................................................................................................................... 59
9.4.2Blade rollers............................................................................................................... 60
9.4.3Pressure load on the rollers - entry behaviour ........................................................... 62
9.4.4Pressure load on packer profile roller and packer double roller................................. 64
9.5Turning at the headland..............................................................................................65
9.6Working speed.............................................................................................................65
10Detaching the implement .......................................................................................66

Contents
6
11Switching off the device.........................................................................................67
11.1Shutting down the device in an emergency..............................................................67
11.2Disposal .......................................................................................................................67
12Maintenance and repairs........................................................................................68
12.1Special safety instructions.........................................................................................68
12.1.1General................................................................................................................... 68
12.1.2Personnel qualifications ......................................................................................... 68
12.1.3Protective equipment.............................................................................................. 68
12.1.4Immobilise the implement for maintenance and repairs ......................................... 69
12.1.5Working on the hydraulics ...................................................................................... 69
12.1.6Working on the electrics ......................................................................................... 69
12.1.7Working under the raised device ............................................................................ 70
12.1.8Utilised tool............................................................................................................. 70
12.2Environmental protection...........................................................................................71
12.3Maintenance intervals.................................................................................................72
12.3.1After commissioning (within 2 hours)...................................................................... 72
12.3.2Daily check ............................................................................................................. 72
12.3.3Weekly check ......................................................................................................... 72
12.3.4Lubrication schedule .............................................................................................. 73
12.3.5Overview of lubrication points................................................................................. 73
12.4Tightening torques......................................................................................................74
12.4.1General information................................................................................................ 74
12.4.2Bolts and nuts made of steel .................................................................................. 74
12.4.3Wheel bolts and wheel nuts.................................................................................... 75
12.5Check the connections to the tractor........................................................................75
12.5.1Hydraulic connections ............................................................................................ 75
12.5.2Electrical connections............................................................................................. 75
12.6Replacing the harrow tines on the rebound harrow.................................................76
12.7Replacing the levelling harrow...................................................................................77
12.8Replacing hollow discs...............................................................................................78

Contents
7
12.9Scrapers.......................................................................................................................79
12.9.1Scrapers on rubber ring roller................................................................................. 79
12.9.2Scrapers on packer-profile roller ............................................................................ 79
12.9.3Scrapers on the packer double roller...................................................................... 81
12.9.4Flex ring roller scrapers.......................................................................................... 82
13Technical data .........................................................................................................83
14Type plate.................................................................................................................84
15Noise, Airborne Sound...........................................................................................85
16Notes ........................................................................................................................85
Index ...............................................................................................................................86
EU Declaration of Conformity ......................................................................................87

General information
8
1 GENERAL INFORMATION
1.1 Liability
The "Standard Terms and Conditions of Sales and Delivery" of LEMKEN GmbH &
Co. KG, in particular Section IX, shall apply. Liability. In line with the dimensions
cited in these conditions the LEMKEN GmbH & Co. KG shall not be held liable for
any personal or material damage, when such damage is caused by one or more
of the following reasons:
improper use of the device, see also section entitled "Intended use",
non-compliance with the operating instructions and the enclosed safety instruc-
tions,
unauthorised changes to the device,
inadequate monitoring of parts which are subject to wear,
maintenance work that has not been conducted properly or in good time,
the use of spare parts that are not original LEMKEN GmbH & Co. KG spare
parts,
accidents or damage through outside influences or force majeure
1.2 Guarantee
The "Standard Terms and Conditions of Sales and Delivery" of LEMKEN GmbH &
Co. KG shall apply at all times.
The guarantee period shall be one year from the date of receipt of the implement.
We shall rectify any implement faults in accordance with the LEMKEN guarantee
guidelines.

General information
9
1.3 Copyright
These operating instructions represent a document in terms of the law on unfair
competition.
Copyright is retained by
LEMKEN GmbH & Co. KG
Weseler Strasse 5
D-46519 Alpen, Germany
These operating instructions are intended to be used by the operator of the im-
plement. They contain texts and drawings which must not be
reproduced,
divulged or
communicated in any other way in whole or in part without the express permis-
sion of the manufacturer.
Infringements will result in a claim for damages.
1.4 Optional accessories
LEMKEN implements may be equipped with various accessories. The operating
instructions below describe both series components and optional accessories.
Please note: These accessories will vary depending on the type of equipment.

Symbols used in the Operating Instructions
10
2 SYMBOLS USED IN THE OPERATING INSTRUCTIONS
2.1 Hazard classes
The following symbols are used in the Operating Instructions for particularly im-
portant information:
DANGER
Denotes an imminent hazard with high risk, which will result in
death or severe physical injury, if not avoided.
WARNING
Denotes a possible hazard with medium risk, which could result in
death or severe physical injury, if not avoided.
CAUTION
Denotes a low-risk hazard, which could cause light or medium
physical injury or property damage, if not avoided.
2.2 Information
Denotes special user tips and other particularly useful or important
information for operation and efficient utilisation.
2.3 Environmental protection
Indication of special recycling and environmental protection
measures.

Symbols used in the Operating Instructions
11
2.4 Indication of passages
The following symbols are used for particular passages in the operating instruc-
tions:
Indicates work steps
Indicates enumerations

Safety measures and precautions
12
3 SAFETY MEASURES AND PRECAUTIONS
General safety instructions for the operator are specified in the chapter entitled
«Safety measures and precautions». At the start of some main chapters the safety
instructions, which refer to all work to be carried out in this chapter, are listed to-
gether. Each safety-relevant work step includes other safety instructions specific
to the work step.
3.1 Target group
These operating instructions are restricted exclusively to the use of the device by
trained technicians and instructed persons.
3.2 Intended use
The implement is manufactured in accordance with state-of-the-art standards and
the recognised safety-related rules. However, the use of the implement may result
in a risk to life and limb of the user or third parties, or cause damage to the imple-
ment and other material property. The implement may be operated in a technically
perfect condition only, in accordance with its designated use and by safety-
conscious persons in compliance with the operating instructions.
Intended use also includes:
compliance with the operating instructions and implementation of the work
steps indicated in the operating instructions,
compliance with the safety and warning signs on the implement,
observance of the power limits of the tractor and implement,
observance of all maintenance specifications and additional checks,
the use of original spare parts,
the use of the listed auxiliary and operating materials as well as their environ-
mentally friendly disposal.
Safe operation is not guaranteed unless all instructions, settings and power limits
applicable to the implement are observed.
The implement has been designed solely for conventional agricultural usage.

Safety measures and precautions
13
The implement must not be used immediately after self-propelled vehicle for slurry
spreading, which exceeds the LEMKEN-specified output limits for tractors (cf.
LEMKEN price list) and which are equipped with a three-point linkage, which
is double-acting,
does not exhibit any float position and
is insufficiently mobile at the side.
See also Chapter 1 "General Information", Section 1.1 "Liability".
3.3 Safety features of the device
To protect the operator and the device, the device is equipped with special safety
features in accordance with country specific requirements.
Always keep all safety devices in working order.

Safety measures and precautions
14
3.4 Safety and warning signs
3.4.1 General information
The implement features all equipment
which ensures safe operation. If hazardous
areas could not be completely secured
with respect to operational safety, warning
signs are affixed which indicate these re-
sidual risks. Damaged, lost or illegible
warning signs must be replaced immedi-
ately.
3.4.2 Meaning of warning signs

Please familiarise yourself with the
meaning of the warning signs.
The following explanations provide detailed
information.
Please read and observe the operating in-
structions and safety instructions before
starting up the implement for the first time.

Safety measures and precautions
15
Before carrying out maintenance or repair
work, switch off the engine and remove
key.
When the three-point power lift is activated,
stay outside of the lifting range of the three-
point suspension.
Do not remain in the operating and swivel
area of the implement.
Danger of crushing.
The front axle of the tractor must always
be loaded with at least 20% of the trac-
tor's curb weight.

Safety measures and precautions
16
3.4.3 Position of safety and warning stickers

Safety measures and precautions
17
3.5 Special safety instructions
WARNING
Risk of injury due to non-observance of the currently valid
occupational safety guidelines
If the currently valid occupational safety guidelines are bypassed
or safety equipment is rendered unusable when handling the de-
vice, there is a risk of injury.
The operator must personally monitor all work on and with the
device.
The operator instructs his personnel in occupational safety ac-
cording to the currently valid occupational safety guidelines.
WARNING
Risk of injury due to foreign objects ejected at high speed
During work there is a risk of injury to the face and body by lumps
of earth, soil constituents or stones ejected at high speed.
During work there must be nobody directly in front of, behind or
next to the device.
During work nobody must accompany the device.

Safety measures and precautions
18
WARNING
Risk of injury when freeing casualties
When rescuing people trapped or injured by the device, there is a
risk of additional serious injury to the casualty if the hydraulic con-
nections were not connected according to their colour coding as
described in the section entitled "Required hydraulic equipment".
As a result, functions may run in the opposite direction or may be
inverted.
Before actuating the hydraulics, check that the hydraulic con-
nections of the device are connected to the tractor according to
the colour coding.
If there is no identification on the tractor and on the device or if the
connections are not connected to the tractor according to their
identification, it may not be possible to free the person safely.
If in doubt, leave casualties to be freed by specially trained rescue
personnel.