Krone EasyCut 28 User manual

Original operating instructions
Disc Mower
EasyCut 28
EasyCut 28 P
EasyCut 28 M
EasyCut 32
EasyCut 32 P
EasyCut 32 M
(from serial no.: 785 000)
Order no.: 150 000 015 03 en
08.06.2016

Table of Contents
2
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CV0
EC Declaration of Conformity
We
Maschinenfabrik Bernard Krone GmbH & Co. KG
Heinrich-Krone-Str. 10, D-48480 Spelle
hereby declare as manufacturer of the product named below, on our sole responsibility,
that the Machine: Disc Mower
Type: EasyCut 28, EasyCut 28 P, EasyCut 28 M,
EasyCut 32, EasyCut 32 P, EasyCut 32 M
to which this declaration refers is in compliance with the following relevant provisions of:
• EC Directive 2006/42/CE (machines).
The signing Managing Director is authorised to compile the technical documents.
Spelle, 20.04.2016
Dr.-Ing. Josef Horstmann
(Managing Director, Design & Development)
Year of manufacture: Machine no.:
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Table of Contents
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1 Table of Contents
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1Table of Contents...................................................................................................................................3
2Introduction.............................................................................................................................................6
2.1Purpose of Use...................................................................................................................................6
2.2Validity................................................................................................................................................6
2.2.1Contact........................................................................................................................................6
2.3Identification Plate..............................................................................................................................7
2.4Information Required for Questions and Orders................................................................................7
2.5Intended use.......................................................................................................................................8
2.6Technical data....................................................................................................................................8
3Safety.......................................................................................................................................................9
3.1Identifying Symbols in the Operating Instructions..............................................................................9
3.2Identification of the hazard warnings..................................................................................................9
3.3Safety Instructions and Accident Prevention Regulations ...............................................................10
3.3.1Personnel Qualification and Training........................................................................................11
3.3.2Dangers in Case of Non-compliance with the Safety Instructions............................................11
3.3.3Safety-conscious work practices...............................................................................................11
3.4Attached devices..............................................................................................................................12
3.5PTO operation..................................................................................................................................12
3.6Hydraulic system..............................................................................................................................13
3.7Maintenance.....................................................................................................................................13
3.8Unauthorised Conversion/Modification and Spare Parts Production...............................................14
3.9Inadmissible Modes of Operation.....................................................................................................14
3.10Introduction.......................................................................................................................................15
3.11Position of the Adhesive Safety Stickers on the Machine................................................................16
4Commissioning.....................................................................................................................................18
4.1Special Safety Instructions...............................................................................................................18
4.2First installation ................................................................................................................................18
4.3Fitting the guard cloths.....................................................................................................................19
4.4Installation of Weiste triangle...........................................................................................................20
4.5Preparation on the front-mounted disc mower.................................................................................20
4.6Lighting.............................................................................................................................................21
5Start-up..................................................................................................................................................22
5.1Preparations on tractor.....................................................................................................................22
5.2Mounting onto the Tractor................................................................................................................23
5.2.1Lower suspension arm..............................................................................................................24
5.3Checking the First fitting...................................................................................................................25
5.4PTO shaft.........................................................................................................................................26
5.4.1Length adjustment.....................................................................................................................26
5.5Install the PTO shaft.........................................................................................................................27
5.6Mounting and Adjusting the Relief Springs......................................................................................28
5.7Trial run after first installation...........................................................................................................28
5.8Lighting connection ..........................................................................................................................29
5.9Hydraulics.........................................................................................................................................30
5.9.1Special Safety Instructions........................................................................................................30
5.9.2Connecting the hydraulic lines..................................................................................................30
6Driving and Transport..........................................................................................................................32

Table of Contents
4
6.1Lighting.............................................................................................................................................32
6.2Clamp and Buffer .............................................................................................................................33
7Operation...............................................................................................................................................34
7.1Before mowing .................................................................................................................................34
7.2Moving the guards into the working position....................................................................................35
7.3Detaching the machine ....................................................................................................................36
7.4Removing the compensation spring(s).............................................................................................36
8Settings .................................................................................................................................................38
8.1Compensation Spring(s) ..................................................................................................................39
8.2Adjusting the Compensation Springs...............................................................................................40
8.3Adjusting the cutting height..............................................................................................................41
8.3.1Telescopic upper suspension arm............................................................................................41
8.4Setting of the V-belt Tension............................................................................................................42
9Maintenance..........................................................................................................................................43
9.1Special Safety Instructions...............................................................................................................43
9.1.1Test run.....................................................................................................................................43
9.2Spare Parts ......................................................................................................................................44
9.3Tightening torques............................................................................................................................44
9.3.1Metric Thread Screws with Control Thread ..............................................................................44
9.3.2Metric Thread Screws with Fine Thread...................................................................................45
9.3.3Metric Thread Screws with Countersunk Head and Hexagonal Socket...................................45
9.3.4Deviating Tightening Torques...................................................................................................46
9.4Filling Quantities and Lubrication Designations for Gearboxes.......................................................47
9.4.1Oil Level Check and Oil Change Intervals (Gearboxes)...........................................................47
9.5Angular gearbox...............................................................................................................................48
9.5.1Front Mowing Unit (CV+CRI)....................................................................................................48
9.6Mower Drive Gearbox......................................................................................................................49
9.7Oil level check and oil change on the cutter bar..............................................................................50
9.7.1Oil change.................................................................................................................................50
9.7.2Checking the oil level................................................................................................................50
9.7.3Aligning the Cutter Bar..............................................................................................................50
9.8Checking the Cutter Blades and Blade Holder ................................................................................52
9.8.1Cutter Blades ............................................................................................................................52
9.8.2Blade screw connection............................................................................................................53
9.8.3Blade Quick-Fit Device .............................................................................................................54
9.8.4Periodical Inspection of the Leaf Springs .................................................................................55
9.8.5Periodical Inspection of the Cutting Discs / Blade Drums.........................................................56
9.8.6Abrasion Limit ...........................................................................................................................57
9.9Blade Changing on Cutting Discs ....................................................................................................58
9.9.1Blade Screw Connection...........................................................................................................59
9.9.2Blade Quick-Fit Device .............................................................................................................60
9.10Replacing the linings........................................................................................................................61
9.11Rotary hub with shear fuse (optional) ..............................................................................................62
9.11.1After Shearing Off .....................................................................................................................64
10Maintenance – lubrication chart .........................................................................................................66
10.1Special Safety Instructions...............................................................................................................66
10.2PTO shaft.........................................................................................................................................66
10.3Lubrication Chart..............................................................................................................................67

Table of Contents
5
11Placing in Storage................................................................................................................................68
12Before the Start of the New Season ...................................................................................................69
12.1Special Safety Instructions...............................................................................................................69
12.2Test run............................................................................................................................................69
13Special equipment................................................................................................................................70
13.1Special Safety Instructions...............................................................................................................70
13.2Adjusting Skids.................................................................................................................................70
13.3Conversion to narrower swathing.....................................................................................................71
13.4Conversion for mowing steep slopes...............................................................................................72
14Disposal of the machine......................................................................................................................73
14.1Disposal of the machine...................................................................................................................73
15Index......................................................................................................................................................74
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Introduction
6
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2 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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2.1 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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2.2 Validity
These operating instructions apply to disc mowers of the series:
EasyCut 28; EasyCut 28 P; EasyCut 28 M; EasyCut 32 ; EasyCut 32 P; EasyCut 32 M
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2.2.1 Contact
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Maschinenfabrik Bernard Krone GmbH & Co. KG
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
7
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2.3 Identification Plate
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1
Fig. 1
The machine data are specified on the type plate (1). It is attached to the carrying bar.
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2.4 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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Introduction
8
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Ver
2.5 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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2.6 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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a
Type EasyCut 28 EasyCut 28 P EasyCut 28M
Working width [mm] 2710 2710 2710
Transport width [mm] 2565 2565 2565
Number of mowing discs 4 4 4 (2*)
Number of mower drums 2 2 4
Acreage [ha/h] 3 - 3.5 3 - 3.5 3 - 3.5
Power consumption [kW/HP] 44 / 60 44 / 60 40 / 55
PTO speed [rpm] 1000 1000 1000
Service weight [kg] 680 700 520
* Optional
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a
Type EasyCut 32 EasyCut 32 P EasyCut 32 M
Working width [mm] 3140 3140 3140
Transport width [mm] 3000 3000 3000
Number of mowing discs 5 5 5 (3*)
Number of mower drums 2 2 4
Acreage [ha/h] 3.5 - 4 3.5 – 4 3.5 – 4
Power consumption [kW/HP] 51 / 70 51 / 70 44 / 60
PTO speed [rpm] 1000 1000 1000
Service weight [kg] 840 860 640
* Optional
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Safety
9
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3 Safety
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3.1 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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3.2 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
10
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3.3 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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3.3.1 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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3.3.2 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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3.3.3 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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3.4 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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3.5 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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3.6 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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3.7 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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Safety
14
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3.8 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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3.9 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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Safety
15
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3.10 Introduction
The disc mower is equipped with all safety devices (protective devices). However, it is not
possible to eliminate all potential hazards on this machine as this would impair its full functional
capability. Hazard warnings are attached to the machine in the relevant areas to warn against
any dangers. The safety instructions are provided in the form of so-called warning pictograms.
Important information on the position of these safety signs and what they mean is given below!
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WARNING!
Danger of injury on machine parts if danger zones have not been marked when warning
pictograms are missing, damaged or illegible.
Danger of injury due to dangerous parts and other residual risks as users or third parties enter
the danger area or reach into it as they are not aware of the danger.
• Immediately replace damaged or illegible labels.
• Following repair work, always attach appropriate adhesive safety labels to all the replaced,
modified or repaired components.
• Never clean areas carrying an adhesive safety label using a high-pressure cleaner.
Familiarise yourself with the statement of the warning pictograms. The adjacent text and
the selected location on the machine provide information on the special danger spots on
the machine.
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Safety
16
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3.11 Position of the Adhesive Safety Stickers on the Machine
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EasyCut 28, EasyCut 28 P, EasyCut 32, EasyCut 32 P
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GL
Fig. 2
Fig. 3
EasyCut 28 M; EasyCut 32 M

Safety
17
1)
Before starting the machine,
read and observe the
operating instructions and
safety instructions.
Order No. 939 471-1 (1x)
2)
The PTO speeds must not exceed 1000 rpm!
The operating pressure of the hydraulic system
must not exceed 200 bar!
939 101-4
MAX. 1000/ min
MAX. 200 bar
Order No. 939 101-4 (1x)
3) Order No. 939 576-0 (4x)
(2x) for EC 28 M / 32 M
a) Caution: some machine parts will stay in
operation for an extended period of time before
being switched off completely. Do not touch any
moving parts of the machine. Wait until they
have come to a complete stop.
b) Move the protective devices into protective
position prior to start-up.
c) When the machine is running, keep your
distance.
939 41 0 2
STOP
939 572-0
942 197 -1
3a
3b 3c
4)
While parts are moving, never
reach into areas where there is a
risk of being crushed.
Order No. 942 196-1 (2x)
(EC 28P/32P)
5)
Order No. 939 106-3
(1x)
6)
Danger in the swivel range
(for EC 28 M / EC 32 M only)
939 472-2
Order No. 939 472-2 (2x)
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942 196 -1

Commissioning
18
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4 Commissioning
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4.1 Special Safety Instructions
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Danger! - Unexpected movements of the machine
Effect: Danger to life or serious injuries.
• Setting tasks must only be performed when the drive is switched off and the engine is at a
standstill!
• Switching off the engine
• Remove the ignition key.
• Secure the machine against the possibility of rolling back.
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4.2 First installation
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Danger! - Incorrect assembly
Effect: Danger to life, serious injuries or serious damage to the machine.
• Only authorised service centres may assemble the machine.
• The machine must be assembled with special care.
• Always heed the applicable accident prevention regulations.
• Use only safe and sufficiently dimensioned lifting equipment and load-securing equipment.
• The machine may be taken into operation only after all the safety devices have been
installed.
• If unauthorised modifications are made to the machine, the manufacturer is released from
liability for any resulting damage.
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Danger! - Missing guard cloths
Effect: Lebensgefahr, schwere Verletzungen oder schwere Schäden an der Maschine.
• Before starting up the machine for the first time, install all supplied guard cloths on the
machine.
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(EasyCut 28 M)
Pos: 10.8 /BA/Er stinbetriebnahme/Erst montage @ 1\mod_120222411 1998_78.docx @ 58190 @ @ 1 The document "Assembly Instructions" describes how to install the device for the first time.
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Commissioning
19
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4.3 Fitting the guard cloths
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EasyCut 28, EasyCut 28 P, EasyCut 32, EasyCut 32 P
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4
Fig. 4
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Item Part No. Name EC 28 EC 32
1 904 731 Square coach bolt M 8 x 20 33 34
2 910 603 Washer 8.4 x 24 x 2 43 44
3 908 706 Hex nut NM 8 38 39
4 900 614 Hex screw M 8 x 20 5 5
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Commissioning
20
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4.4 Installation of Weiste triangle
AFL 245-0-007
1
Fig. 5
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Warning - Installation of the triangle linkage (Weiste triangle)
Effect: Danger to life or serious injuries. Considerable damage to the machine
Observe manufacturer's operating instructions for the triangle linkage!
Pos: 10.17 /BA/Er stinbetriebnahme/Easy Cut/Anbau Weiste- Dreieck Text @ 3\mod_12046386 31735_78.docx @ 71179 @ @ 1 For the installation of the front-mounted disc mower, a Weiste triangle (1) is attached to the front
hydraulics. Adjust the top suspension arm in such a way that the triangle is inclined slightly
forward.
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4.5 Preparation on the front-mounted disc mower
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EC-1-005
Fig. 6:
• Push the PTO shaft (3) with full protection (4) onto the PTO shaft end of the machine.
• The safety mechanism must engage
• Secure the PTO shaft guard (2) against turning with pipe clamp (2).
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