Krone EasyCut 280 User manual

Original operating instructions
Disc Mower
EasyCut 280
EasyCut 320
(from serial no.: 785 000)
Order no.: 150 000 010 01 en
02.09.2015

Table of Contents
2
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CV0
EC Declaration of Conformity
We, Maschinenfabrik Bernard Krone GmbH
Heinrich-Krone-Str. 10, D-48480 Spelle
hereby declare as manufacturer of the product named below, on our sole responsibility,
that the
Machine: Krone disc mower
Type / Types: EasyCut 280; EasyCut 320
to which this declaration refers is in compliance with the relevant provisions of
EC Directive 2006/42/EC (Machinery)
The signing Managing Director is authorised to compile the technical documents.
Spelle, 01.03.10
Dr.-Ing. Josef Horstmann
(Managing Director, Design and Development)
Year of manufacture:
Machine No.:
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Dear customer,
Dear customer,
You have now received the operating instructions for the KRONE
product which you have purchased.
These operating instructions contain important information for the
proper use and safe operation of the machine.
If these operating instructions should become wholly or partially
unusable, you can obtain replacement operating instructions for
your machine by stating the number given overleaf.
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Table of Contents
3
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1 Table of Contents
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1Table of Contents...................................................................................................................................3
2To this Document...................................................................................................................................6
2.1 Validity................................................................................................................................................6
2.2 Re-Ordering........................................................................................................................................6
2.3 Further applicable documents............................................................................................................6
2.4 Target group of this document...........................................................................................................6
2.5 How to use this document..................................................................................................................6
2.5.1 Directories and References ........................................................................................................6
2.5.2 Direction Information...................................................................................................................7
2.5.3 Term “Machine”...........................................................................................................................7
2.5.4 Figures........................................................................................................................................7
2.5.5 Scope of Document.....................................................................................................................7
2.5.6 Means of representation.............................................................................................................7
3Introduction...........................................................................................................................................10
3.1 Purpose of Use.................................................................................................................................10
3.2 Identification Plate............................................................................................................................10
3.3 Information Required for Questions and Orders..............................................................................11
3.3.1 Contact......................................................................................................................................11
3.4 Intended use.....................................................................................................................................12
3.5 Service life of the machine...............................................................................................................12
3.6 Technical data..................................................................................................................................13
3.7 Ambient Temperature ......................................................................................................................13
4Safety.....................................................................................................................................................15
4.1 Identifying Symbols in the Operating Instructions............................................................................15
4.2 Identification of the hazard warnings................................................................................................15
4.3 Safety Instructions and Accident Prevention Regulations...............................................................16
4.3.1 Personnel Qualification and Training........................................................................................17
4.3.2 Dangers in Case of Non-compliance with the Safety Instructions............................................17
4.3.3 Safety-conscious work practices...............................................................................................17
4.4 Attached devices..............................................................................................................................18
4.5 PTO operation..................................................................................................................................18
4.6 Hydraulic system..............................................................................................................................19
4.7 Maintenance.....................................................................................................................................20
4.8 Unauthorised Conversion/Modification and Spare Parts Production...............................................20
4.9 Inadmissible Modes of Operation.....................................................................................................20
4.10 Working in the vicinity of power transmission lines..........................................................................20
4.11 Introduction.......................................................................................................................................21
4.12 Position of the Adhesive Safety Stickers on the Machine................................................................22
4.13 Position of the General Information Labels on the Machine............................................................24
4.13.1 Re-Ordering the Adhesive Safety and Information Labels.......................................................25
4.13.2 Affixing the Adhesive Safety and Information Labels ...............................................................25
4.13.3 Contact......................................................................................................................................25
5Commissioning.....................................................................................................................................26
5.1 First installation ................................................................................................................................26
5.2 Special Safety Instructions...............................................................................................................26
5.3 Mounting onto the Tractor................................................................................................................27

Table of Contents
4
5.3.1 Clutching points.........................................................................................................................27
5.4 PTO shaft.........................................................................................................................................28
5.4.1 Length adjustment.....................................................................................................................28
6Start-up..................................................................................................................................................30
6.1 Mounting onto the Tractor................................................................................................................30
6.2 Hydraulics.........................................................................................................................................31
6.2.1 Special Safety Instructions........................................................................................................31
6.2.2 Connecting the hydraulic lines..................................................................................................31
6.3 PTO shaft.........................................................................................................................................33
6.4 Install the PTO shaft.........................................................................................................................34
6.5 Intermediate PTO shaft....................................................................................................................34
6.6 Swivelling parking support into transport position............................................................................35
7Driving and Transport..........................................................................................................................36
7.1 Switching from working position to transport position......................................................................36
8Operation...............................................................................................................................................38
8.1 From transport into working position................................................................................................38
8.2 Before mowing .................................................................................................................................39
8.2.1 Folding down the Safety Device ...............................................................................................40
8.3 Swivelling parking support into transport position............................................................................41
8.3.1 Adjusting the lateral suspension arm........................................................................................42
8.4 Headland Position............................................................................................................................42
8.5 Detaching the machine ....................................................................................................................43
9Settings .................................................................................................................................................45
9.1 Adjusting the cutting height..............................................................................................................45
9.2 Adjusting the Compensation Springs...............................................................................................46
9.3 Setting of the pole protection mechanism........................................................................................47
10 Maintenance..........................................................................................................................................48
10.1 Special Safety Instructions...............................................................................................................48
10.1.1 Test run.....................................................................................................................................48
10.2 Spare Parts ......................................................................................................................................49
10.3 Tightening torques............................................................................................................................49
10.3.1 Metric Thread Screws with Control Thread ..............................................................................49
10.3.2 Metric Thread Screws with Fine Thread...................................................................................50
10.3.3 Metric Thread Screws with Countersunk Head and Hexagonal Socket...................................50
10.3.4 Deviating Torque.......................................................................................................................51
10.4 Filling Quantities and Lubrication Designations for Gearboxes.......................................................51
10.4.1 Oil Level Check and Oil Change Intervals (Gearboxes)...........................................................51
10.5 Main gearbox....................................................................................................................................52
10.6 Mower Drive Gearbox......................................................................................................................53
10.7 Oil level check and oil change on the cutter bar..............................................................................54
10.7.1 Oil change.................................................................................................................................54
10.7.2 Checking the oil level................................................................................................................54
10.8 Checking the Cutter Blades and Blade Holder ................................................................................55
10.8.1 Cutter Blades ............................................................................................................................56
10.8.2 Blade screw connection............................................................................................................57
10.8.3 Blade Quick-Fit Device .............................................................................................................58
10.8.4 Periodical Inspection of the Leaf Springs .................................................................................59
10.8.5 Periodical Inspection of the Cutting Discs / Blade Drums.........................................................60

Table of Contents
5
10.8.6 Abrasion Limit ...........................................................................................................................61
10.9 Blade Changing on Cutting Discs ....................................................................................................62
10.9.1 Blade Screw Connection...........................................................................................................63
10.9.2 Blade Quick-Fit Device .............................................................................................................64
10.10 Replacing the linings........................................................................................................................65
10.11 Rotary hub with shear fuse (optional) ..............................................................................................66
10.11.1 After Shearing Off.....................................................................................................................68
11 Maintenance –lubrication chart .........................................................................................................70
11.1 Special Safety Instructions...............................................................................................................70
11.2 PTO shaft.........................................................................................................................................70
11.3 Lubrication Chart..............................................................................................................................71
12 Placing in Storage................................................................................................................................72
13 Before the Start of the New Season ...................................................................................................73
13.1 Special Safety Instructions...............................................................................................................73
13.2 Test run............................................................................................................................................73
13.3 Friction Clutch ..................................................................................................................................74
14 Special equipment................................................................................................................................75
14.1 Special Safety Instructions...............................................................................................................75
14.2 Adjusting Skids.................................................................................................................................75
14.3 Disposal of the machine...................................................................................................................76
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2 To this Document
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2.1 Validity
These operating instructions apply to disc mowers of the series:
EasyCut 280 EasyCut 320
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2.2 Re-Ordering
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If this document should become wholly or partially unusable, you can request a replacement
document by stating the order number mentioned on the cover sheet.
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2.3 Further applicable documents
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To ensure that the machine is used safely and as intended, observe the following further
applicable documents:
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–Operating instructions of universal shaft
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2.4 Target group of this document
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This document aims at the operators of the machine fulfilling the minimum requirements of
personnel qualification; refer to chapter entitled Safety “Personnel Qualification”.
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2.5 How to use this document
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2.5.1 Directories and References
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Table of contents/headers:
The table of contents as well as the headers in this instruction are used for quick navigation in
the chapters.
Index directory:
In the index directory, you can find information on the desired subject via catchwords which are
in alphabetical order. The index directory can be found on the last page of this instruction.
Cross references:
Cross references to another place in the operating instructions or to another document are in
the text and specify the chapter and subchapter or section. The designation of subchapters or
sections is presented in quotation marks.
Example:
Check that all screws on the machine are tight, refer to chapter Maintenance, “Tightening
Torques”.
The subchapter or the section can be found via an entry in the table of contents and in the index
directory.
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2.5.2 Direction Information
Direction information in this document such as front, rear, right and left always applies in the
direction of travel.
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2.5.3 Term “Machine”
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Throughout the rest of this document, the mower will also be referred to as the “machine”.
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2.5.4 Figures
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The figures in this document do not always represent the exact machine type. The information
which refers to the figure always corresponds to the machine type of this document.
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2.5.5 Scope of Document
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In addition to standard equipment, accessories kits and versions of the machine are described
in this document. Your machine may deviate from this document.
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2.5.6 Means of representation
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Icons in the text
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In this document, the following means of representation are used:
Action step
A bullet point () designates an action step you have to perform, as for example:
•Set the left outside mirror.
Sequence of actions
Several bullet points () located in front of a sequence of action steps identify a sequence of
actions to be performed step by step, as for example:
•Loosen counter nut.
•Set the screw.
•Tighten counter nut.
List
Dashes (-) identify lists such as, for example:
–Brakes
–Steering
–Lighting
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Symbols in figures
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To visualize parts and actions steps, the following icons are used:
Icon
Explanation
1
Reference sign for part
I
Position of a part (e.g. move from pos. I to pos. II)
X
Dimensions (e.g. B = width, H = height, L = length)
Action step: Tighten screws with torque key with specified tightening torque
Direction of motion
Direction of travel
opened
closed
enlargement of display detail
Framings, dimension line, dimension line limitation, reference line for visible parts
or visible mounting material
Framings, dimension line, dimension line limitation, reference line for covered
parts or covered mounting material
Laying routes
LH
Left-hand machine side
RH
Right-hand machine side
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Warning signs
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Warning
WARNING! - Type and source of hazard!
Effect: Injuries, serious material damage.
•Measures for hazard prevention.
Caution
CAUTION! - Type and source of hazard!
Effect: Damage to property.
•Measures for risk prevention.
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Notes with information and recommendations
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Note
Note
Effect: Economic benefit of the machine.
•Measures to be performed.
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Introduction
10
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3 Introduction
These operating instructions contain fundamental instructions. These must be observed in
operation and maintenance. For this reason, these operating instructions must be read by
operating personnel before commissioning and use, and must be available for easy reference.
Follow both the general safety instructions contained in the section on safety and the specific
safety instructions contained in the other sections.
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3.1 Purpose of Use
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The EasyCut disc mower is used for cutting crops growing on the ground (except maize).
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3.2 Identification Plate
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EC-120-2
Fig.
1
: The machine data are specified on the type plate (1). It is attached to the carrying bar.
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Introduction
11
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3.3 Information Required for Questions and Orders
Year
Mach. No.
Type
Note
The entire identification plate represents a legal document and should not be altered or
rendered illegible!
When asking questions concerning the machine or ordering spare parts, be sure to provide type
designation, machine number and the year of manufacture of the relevant machine: To ensure
that these data are always available, we recommend that you enter them in the fields above.
Note
Authentic KRONE spare parts and accessories authorised by the manufacturer help to ensure
safety. The use of spare parts, accessories or additional equipment not manufactured, tested or
approved by KRONE will exclude any liability for consequential damage.
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3.3.1 Contact
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Maschinenfabrik Bernard Krone GmbH
Heinrich-Krone-Strasse 10
D-48480 Spelle (Germany)
Telephone: + 49 (0) 59 77/935-0 (Head Office)
Fax.: + 49 (0) 59 77/935-339 (Head Office)
Fax.: + 49 (0) 59 77/935-239 (Spare parts - domestic)
Fax.: + 49 (0) 59 77/935-359 (Spare parts - export)
Email: [email protected]
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Introduction
12
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Ver
3.4 Intended use
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The disc mower is built exclusively for customary use in agricultural work (intended use).
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Unauthorised modifications to the machine may have a negative effect on the machine
characteristics or safe and reliable use of the machine or may interfere with proper operation.
Unauthorised modifications shall therefore release the manufacturer of any liability for
consequential damage.
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3.5 Service life of the machine
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–The service life of this machine strongly depends on proper use and maintenance as well as
the operating conditions.
–Permanent operational readiness as well as long service life of the machine can be
achieved by observing the instructions and notes of these operating instructions.
–After each season of use, the machine must be checked thoroughly for wear and other
damage.
–Damaged and worn parts must be replaced before placing the machine into service again.
–After the machine has been used for five years, carry out full technical inspection of the
machine. According to the results of this inspection, a decision concerning the possibility of
reuse of the machine should be taken.
–Theoretically, the service life of this machine is unlimited as all worn or damaged parts can
be replaced.
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Introduction
13
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3.6 Technical data
All information, illustrations and technical data in these operating instructions correspond to the
latest state at the time of publication. We reserve the right to make design changes at any time
and without notification of reasons.
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wa
Type
EasyCut 280
EasyCut 320
Working width
[mm]
2710
3140
Transport width
[mm]
2013
2013
Number of mowing discs
4
5
Number of mower drums
2
2
Acreage
[ha/h]
3.0 –3.5
3.5 - 4
Power consumption
[kW/HP]
40 / 55
47 /64
PTO speed
[rpm]
540
540
Hydraulic connections required
1 x EW*
1 x EW*
Service weight
[kg]
approx. 620
approx. 700
*) EW= Single-action control unit
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3.7 Ambient Temperature
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Ambient temperature
Temperature range for machine operation
-5 to +45°C
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Introduction
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Safety
15
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4 Safety
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4.1 Identifying Symbols in the Operating Instructions
The safety instructions contained in this manual which could result in personal injury if not
followed are identified by the general danger sign:
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4.2 Identification of the hazard warnings
Danger!
DANGER! - Type and source of the hazard!
Effect: Danger to life or serious injuries.
•Measures for hazard prevention
Warning !
WARNING! - Type and source of the hazard!
Effect: Injuries, serious material damage.
•Measures for hazard prevention
Caution!
CAUTION! - Type and source of the hazard!
Effect: Property damage
•Measures for risk prevention.
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General function instructions are indicated as follows:
Note!
Note - Type and source of the note
Effect: Economic advantage of the machine
•Actions to be taken
Instructions which are attached to the machine need to be followed and kept fully legible.
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Safety
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4.3 Safety Instructions and Accident Prevention Regulations
1 Please follow all generally applicable safety and accident prevention regulations in addition
to the safety instructions contained in these operating instructions!
2 The attached warning and safety signs provide important information for safe operation. Pay
attention to these for your own safety!
3 When using public roads, make sure to observe the applicable traffic regulations!
4 Make sure that you are familiar with all equipment and controls as well as with their
functions before you begin working with the machine. It is too late to learn this when you are
using the machine for work!
5 The user should wear close fitting clothes. Avoid wearing loose or baggy clothing.
6 Keep the machine clean to prevent the danger of fire!
7 Before starting or moving the machine, make certain that nobody is in the vicinity of the
machine! (Watch for children!) Make sure that you have a clear view!
8 Carrying passengers during operation and transport on the working implement is not
permitted.
9 Couple implements correctly! Attach and secure implements to specified devices only!
10 When attaching or detaching implements, place the supporting devices in the correct
positions!
11 Use extreme caution when attaching or detaching implements onto or from the tractor!
12 Always attach ballast weights properly to the fixing points provided!
13 Observe permitted axle loads, gross weight and transport dimensions!
14 Check and attach transport equipment, such as lighting, warning devices and protective
equipment!
15 Actuating mechanisms (cables, chains, linkages etc.) for remote controlled devices must be
positioned in such a way that no movements are unintentionally triggered in any transport or
working positions.
16 Ensure that implements are in the prescribed condition for on-road travel and lock them in
place in accordance with the manufacturer's instructions!
17 Never leave the driver's seat when the vehicle is moving!
18 Always drive at the correct speed for the prevailing driving conditions! Avoid sudden
changes in direction when travelling uphill or downhill or across a gradient!
19 Hitched implements and ballast weights affect the driving, steering and braking response of
the machine. Make sure that you are able to brake and steer the machine as required!
20 Take into account the extension radius and/or inertia of an implement when turning corners!
21 Start up implements only when all safety devices have been attached and set in the
required position!
22 Keep safety equipment in good condition. Replace missing or damaged parts.
23 Keep clear of the working range of the machine at all times!
24 Do not stand within the turning and swivel range of the implement!
25 Never operate the hydraulic folding frames if anyone is inside the swivel range!
26 Parts operated by external power (e.g. hydraulically) can cause crushing and shearing
injuries!
27 Before leaving the tractor, lower the implement onto the ground, apply the parking brake,
switch off the engine and remove the ignition key!
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Safety
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4.3.1 Personnel Qualification and Training
The machine may be used, maintained and repaired only by persons who are familiar with it
and have been instructed about the dangers connected with it. The operator must define areas
of responsibility and monitoring of personnel. Should personnel lack the required knowledge,
they must receive the required training and instruction. The operator must ensure that the
contents of these operating instructions have been fully understood by personnel.
Repair work not described in these operating instructions should only be performed by
authorised service centres.
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4.3.2 Dangers in Case of Non-compliance with the Safety Instructions
Failure to follow the safety instructions could result in personal injury and environmental
hazards as well as damage to the machine. If the safety instructions are not respected, this
could result in the forfeiture of any claims for damages.
Failure to follow the safety instructions could result, for example, in the following hazards:
•Endangering of persons due to not protected working areas.
•Breakdown of important machine functions
•Failure of prescribed methods for repair and maintenance
•Endangering of persons due to mechanical and chemical effects
•Damage to the environment due to leaking hydraulic oil
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4.3.3 Safety-conscious work practices
Always observe the safety instructions set out in these operating instructions, all existing
accident prevention rules and any internal work, operating and safety rules issued by the
operator.
The safety and accident prevention regulations of the responsible professional associations are
binding.
The safety instructions provided by the vehicle manufacturer should also be observed.
Observe the applicable traffic laws when using public roads.
Be prepared for emergencies. Keep the fire extinguisher and first aid box within reach. Keep
emergency numbers for doctors and fire brigade close to the telephone.
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Safety
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4.4 Attached devices
1 Use extreme caution when attaching or detaching implements onto or from the tractor!
2 Couple the respective application devices to the appropriate couplings (e.g. three-point
suspension) only and secure them in a way (transport, use) that excludes inadvertent lifting
or lowering of the device.
3 When using three-point linkage, the attachment categories of the tractor and the device
(e.g. PTO speed, hydraulic system) must be coordinated!
4 When using the outside controls for the three-point linkage, do not step between the tractor
and the device (risk of injury)!
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4.5 PTO operation
1Use only PTO shafts specified by the manufacturer!
2The guard tube and guard cone of the PTO shaft and the PTO guard must be attached and
in good working condition (on the implement side, too)!
3Make sure that the required tube covers are in place for PTO shafts in transport and
working position!
4Before installing or detaching PTO shafts, disengage the PTO, switch off the engine and
remove the ignition key!
5When using PTO shafts with an overload safety or free-running coupling which are not
shielded by the guard on the tractor, mount the overload safety or free-running coupling on
the implement side!
6Always make sure that the PTO shaft is properly installed and secured!
7Attach chains to prevent the PTO shaft guard from rotating with the shaft!
8Before switching on the PTO, make sure that the selected PTO speed of the tractor
matches the permissible implement speed!
9Before switching on the PTO shaft make sure that no person is in the danger zone of the
device!
10Never switch on the PTO if the engine is switched off!
11No one should be in the vicinity of the rotating PTO or PTO shaft when the PTO is in use.
12Always switch off the PTO shaft when the angle is too large or the PTO shaft is not
required!
13 Caution! After disengaging the PTO danger due to the flywheel running on! Keep away from
the implement during this time. The machine may be worked on only if it is completely at
standstill and if the flywheel is secured by the parking brake.
14Cleaning, lubricating or adjusting PTO driven implements or the PTO shaft only with PTO
disengaged, engine switched off and ignition key withdrawn! Secure the fly-wheel with the
parking brake.
15Place the disconnected PTO shaft onto the support provided!
16After detaching the PTO shaft, attach the protective cover to the PTO end!
17If damage occurs, correct this immediately before using the implement!
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Note
The instructions of the manufacturer must be observed with regard to the PTO shaft. (separate
operating instructions)
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Safety
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4.6 Hydraulic system
1The hydraulic system is pressurised!
2When connecting hydraulic cylinders and motors, make sure the hydraulic hoses are
connected as specified!
3When connecting the hydraulic hoses to the tractor hydraulics, make sure that the
hydraulics of both the tractor and the implement have been depressurized!
4In the case of hydraulic connections between tractor and machine, the coupling sleeves and
plugs should be marked to ensure a proper connection! If the connectors are interchanged,
the function will be reversed (e. g. raising/lowering) - Risk of accident!
5When searching for leaks, use suitable aids to avoid the risk of injury!
6Liquids escaping under high pressure (hydraulic oil) can penetrate the skin and cause
serious injury! Seek medical help immediately should injuries occur! Danger of infection!
7Before working on the hydraulic system, depressurise the system and switch off the engine!
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8 Check the hydraulic hose lines at regular intervals and replace them if damaged or worn!
The new hoses must fulfill the technical requirements set by the manufacturer of the
implement!
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Safety
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4.7 Maintenance
1 Always make certain that the drive and the engine are switched off before doing any
repairs, maintenance or cleaning! - Remove the ignition key!
2 Regularly check that nuts and bolts are properly seated and tighten if necessary!
3 When carrying out maintenance work on a raised mowing unit, always use suitable means
to secure it against falling.
4 When replacing working tools with cutting edges, use suitable tools and gloves!
5 Oils, greases and filters must be disposed of correctly!
6 Always disconnect the power supply before working on the electrical system!
7 If protective devices and guards are subject to wear, check them regularly and replace them
in good time!
8 When performing electrical welding work on the vehicle and mounted devices, turn the
power supply off at main battery switch or disconnect generator cable and battery!
9 Replacement parts must at least comply with the technical requirements set by the
manufacturer of the implements! This is guaranteed by original KRONE spare parts!
10 Only use nitrogen for filling pneumatic accumulators - risk of explosion!
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4.8 Unauthorised Conversion/Modification and Spare Parts Production
Conversions or modifications of the machine are permitted only with prior consultation with the
manufacturer. Original spare parts and accessories authorised by the manufacturer help to
ensure safety. Use of other parts may void liability for resulting damage.
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4.9 Inadmissible Modes of Operation
The operating safety of the delivered machine is guaranteed only when it is used as intended in
compliance with the introductory section "Intended use" of the operating instructions. The limit
values listed in the data charts should not be exceeded under any circumstances.
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4.10 Working in the vicinity of power transmission lines
1Always take great care when working under or in the vicinity of power transmission lines.
2Ensure that when in operation or being transported, the machine cannot exceed a total
height of approx. 4m.
3If there is any need to travel under overhead lines, the machine operator must request
information on the rated voltage and the minimum height of the overhead lines from the
overhead line operator.
4Always keep the safety distances according to the table.
Rated voltage
kV
Safe distance from overhead lines
m
To 1
1
Above 1 to 110
2
Above 101 to 220
3
Above 220 to 380
4
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