KUHN HR4004D User manual

Original instructions
KN208CGB A
OPERATOR'S MANUAL
Power harrows
HR4004D - 4504D
KN208CGB A
- English - 11-2012

Dear Owner
Power harrows
HR4004D - 4504D
1
$Dear Owner
In buying a Kuhn machine you have chosen wisely. Into it have gone years of thought, research and
improvement. You will find, as have thousands of owners all over the world, that you have the best that
engineering skill and actual field testing can produce. You have purchased a dependable machine, but only
through proper care and operation can you expect to receive the performance and long service built into it.
This manual contains all the necessary information for you to receive full efficiency from your machine. The
performance you get from this machine is largely dependent on how well you read and understand this manual
and apply this knowledge. Please DO NOT ASSUME YOU KNOW HOW TO OPERATE AND MAINTAIN YOUR
MACHINE before reading this manual carefully. KEEP THIS MANUAL AVAILABLE FOR REFERENCE. Pass
it on to the next owner if you re-sell the machine.
Your KUHN dealer can offer a complete line of genuine KUHN service parts. These parts are manufactured and
carefully inspected in the same factory that builds the machine to assure high quality and accurate fitting of any
necessary replacements.
About improvements
We are continually striving to improve our products. It therefore reserves the right to make improvements or
changes when it becomes practical to do so, without incurring any obligations to make changes or additions to
the equipment sold previously.
Wear parts
Wearing parts fitted on our machines have been tested in very different situations to optimize their service life.
Nevertheless, the service life depends highly on the conditions of use (products to handle, soil, weather
conditions, etc...).
Designated use of the machine
HR4004D / HR4504D power harrows must only be used for work for which they have been designed: Seedbed
preparation on ploughed ground or in min-tilled ground with or without simultaneous seeding.
Document illustrations
The illustrations in this manual may be based on one type of machine only. However, all instructions apply to all
machines covered in this manual.
Copyright 2012 KUHN S.A.

Power harrows
2
HR4004D - 4504D
Contents
$Contents
Dear Owner.....................................................................................................................1
Contents..........................................................................................................................2
Identification of the machine.........................................................................................4
Front view..........................................................................................................................................4
Rear view...........................................................................................................................................4
Model identification plate ................................................................................................................5
Optional equipment..........................................................................................................................6
Safety...............................................................................................................................8
Description of symbols used in this document.............................................................................8
Safety instructions...........................................................................................................................9
Location and description of safety decals on the machine .......................................................19
Road safety equipment and recommendations...........................................................................21
Machine specifications................................................................................................22
Description and glossary...............................................................................................................22
Technical specifications................................................................................................................23
Required equipment.......................................................................................................................24
Sound levels ...................................................................................................................................27
Putting into service......................................................................................................28
Coupling and uncoupling..............................................................................................................28
Instructions for transport............................................................................................44
Putting the machine into transport position................................................................................44
Conformity with the road regulations...........................................................................................44

Contents
Power harrows
HR4004D - 4504D
3
Instructions for work................................................................................................... 45
Putting the machine into work position.......................................................................................45
Adjustments in working position..................................................................................................45
Machine use....................................................................................................................................46
Optional equipment.....................................................................................................48
Sets of gearwheels.........................................................................................................................48
Standard linkage ............................................................................................................................50
Hydraulic lift linkage......................................................................................................................51
Hydraulic lift linkage stroke limiters.............................................................................................56
High capacity hydraulic lift linkage ..............................................................................................57
Track eradicators............................................................................................................................62
Front or rear levelling bar..............................................................................................................64
Front semi-automatic linkage .......................................................................................................65
Adaptation parts for VENTA LC.....................................................................................................66
Adaptation parts for VENTA AL and VENTA TI............................................................................66
Adaptation parts for INTEGRA......................................................................................................67
Lengthened coupling yokes..........................................................................................................67
Maintenance and storage............................................................................................ 68
Frequency chart .............................................................................................................................68
Cleaning the machine....................................................................................................................69
Lubrication......................................................................................................................................71
Maintenance....................................................................................................................................74
Storage............................................................................................................................................82
Troubleshooting guide................................................................................................83
Appendix ...................................................................................................................... 85
Calculating the load on an axle.....................................................................................................85
Limited warranty.......................................................................................................... 91