KUHN RA 125 User manual

7N200AUS_A
Read carefully before starting the machine
OPERATOR'S MANUAL
Reel Mixers -
Trailer Type
---A1053-70A00001 >
RA 125/130
- English (USA) - 01-2021
7N200AUS_A
*7N200AUS_A*

1. - Dear Owner
RA 125/130
1
7N200AUS_A
Reel Mixers - Trailer Type
1. Dear Owner
Copyright 2021 KUHN
You have just purchased a KUHN machine. We thank you for the trust in us you are showing by selecting
us. Into this equipment have gone years of thought, research andimprovement which have led to its design,
manufacture and continuous improvement.
This manual, which must be considered an integral part of the machine, contains all the necessary
information for you to receive full effiency from your machine. It also contains all the instructions for safe
use of the machine. We therefore recommend that you read it carefully and follow all the instructions to the
letter. The machine's proper functioning and service life depends on it, as well as your safety and that of
others. This manual must always accompany the machine even in case of resale.
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. We therefore reserve 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.
Wearing parts
Wearing parts fitted on our machines have been tested in very different situations to optimize their service
life. Nevertheless, the service life depends highlyon the conditions of use (products to handle, soil, weather
conditions, etc...).
Designated use of the machine
The RA 125/130 mixer feeder must only be used for work for which it has been designed: mixing of fodder,
silage, hay, mixing with sub-products or additives for feeding cattle, and transport and distribution in the
feeding areas.

RA 125/130
22. - Contents
7N200AUS_A
Reel Mixers - Trailer Type
2. Contents
1. Dear Owner .....................................................................................................................1
2. Contents..........................................................................................................................2
3. Identification of the machine.........................................................................................4
3.1 Front view ........................................................................................................................................ 4
3.2 Rear view......................................................................................................................................... 4
3.3 Identification of the machine............................................................................................................ 5
3.3.1 Location of the plates ......................................................................................................... 5
3.3.2 Description.......................................................................................................................... 5
3.4 Optional equipment.......................................................................................................................... 6
4. Safety...............................................................................................................................7
4.1 Description of symbols used in this document.................................................................................7
4.2 Safety instructions ........................................................................................................................... 8
4.3 Location and description of safety decals on the machine ............................................................16
4.3.1 Alternate language safety decal sets................................................................................ 23
4.4 Road safety equipment and recommendations .............................................................................24
5. Machine specifications................................................................................................25
5.1 Description and glossary ...............................................................................................................25
5.2 Technical specifications ................................................................................................................. 27
5.3 Lights ............................................................................................................................................. 29
5.4 Lifting points...................................................................................................................................33
6. Putting into service......................................................................................................34
6.1 Coupling and uncoupling ...............................................................................................................34
6.1.1 Tractor PTO horsepower requirements ............................................................................ 34
6.1.2 Tractor weight requirements............................................................................................. 34
6.1.3 Drawbar attachment system............................................................................................. 35
6.1.4 PTO minimum and maximum operating dimensions........................................................ 35
6.1.5 Hydraulic system..............................................................................................................36
6.1.6 Safety lighting................................................................................................................... 36
6.1.7 Attaching the safety tow chain..........................................................................................37
6.1.8 Uncoupling the machine................................................................................................... 37
6.2 Mixer setup .................................................................................................................................... 38
6.2.1 Upper auger knives ..........................................................................................................38
6.2.2 Reel cross/wiper tubes (Standard reel) ............................................................................ 38
6.2.3 Shear bolt.........................................................................................................................39
6.2.3 Shear bolt.........................................................................................................................39
6.2.4 Hay Maxx® System..........................................................................................................39
6.2.5 Power chute adjustment................................................................................................... 40

2. - Contents
RA 125/130
3
7N200AUS_A
Reel Mixers - Trailer Type
6.2.6 Tip-off adjustment............................................................................................................. 40
6.2.7 Scale arm positioning....................................................................................................... 41
6.3 Test run the mixer.......................................................................................................................... 42
7. Instructions for transport............................................................................................ 43
7.1 Conformity with the road regulations............................................................................................. 43
7.2 Transport position.......................................................................................................................... 43
8. Instructions for work................................................................................................... 44
8.1 Machine use .................................................................................................................................. 46
8.1.1 Material............................................................................................................................. 46
8.1.2 Loading............................................................................................................................. 48
8.1.3 Fill level ............................................................................................................................ 50
8.1.4 Unloading......................................................................................................................... 50
9. Optional equipment..................................................................................................... 51
9.1 HAY MAXX® SYSTEM.................................................................................................................. 51
9.2 ROUGHAGE MAXX® SYSTEM.................................................................................................... 51
9.3 10’’ hydraulic cylinder for the HAY MAXX® SYSTEM ................................................................... 52
9.4 Power discharge............................................................................................................................ 52
9.5 Slide tray........................................................................................................................................ 52
9.6 Door flow control plate................................................................................................................... 53
9.7 Riser kit.......................................................................................................................................... 53
9.8 Electric switching valve.................................................................................................................. 53
9.9 Safety chain................................................................................................................................... 53
9.10 Reels ............................................................................................................................................. 54
9.11 Stainless steel liners...................................................................................................................... 54
9.12 Partial stainless steel liners ........................................................................................................... 54
9.13 Hitches........................................................................................................................................... 54
10. Inspections and adjustments...................................................................................... 55
10.1 General inspection information...................................................................................................... 55
10.2 Scale system................................................................................................................................. 57
10.3 HAY MAXX® system ..................................................................................................................... 58
10.4 Drive enclosure.............................................................................................................................. 58
11. Maintenance and storage............................................................................................ 59
11.1 Greasing and oil change................................................................................................................ 59
11.1.1 Frequency chart ............................................................................................................... 60
11.1.2 Greasing and oil change points........................................................................................ 61
11.2 Lifting the helix reel........................................................................................................................ 62
11.3 Cold weather precautions.............................................................................................................. 63
12. Troubleshooting........................................................................................................... 64
13. Limited Warranty.......................................................................................................... 66

RA 125/130
43. - Identification of the machine
7N200AUS_A
Reel Mixers - Trailer Type
3. Identification of the machine
3.1 Front view
3.2 Rear view

3. - Identification of the machine
RA 125/130
5
7N200AUS_A
Reel Mixers - Trailer Type
3.3 Identification of the machine
3.3.1 Location of the plates
3.3.2 Description
Do not remove the manufacturer, homologation and marking plates attached to the machine.
Note the serial number of your machine:
• Serial Number:
This information is to be given to the Kuhn
authorized dealer for any spare parts order or
warranty claim.
Model identification plate
1: Manufacturer name and address
3: Brand
4: KUHN logo
5: Description of the machine
7: Model
9a: Machine serial number
9b: Barcode (Machine serial number)
12: Weight empty (Minimum/Maximum)
18: Data matrix
19: Plate reference
27: Place of manufacture
28: Manufactured by... for...
34: Special operation
3: Brand
9: Serial Nr. 34: Ex
5: Machine
7: Model
lbs
12: Unladen Mass min/max
lbs
1
34
18
19
3
9a
5
7
12 28
27
9b
4

RA 125/130
63. - Identification of the machine
7N200AUS_A
Reel Mixers - Trailer Type
3.4 Optional equipment
Check the boxes corresponding to the equipment
fitted on your machine:
Contact your Kuhn/Kuhn Knight dealer for scale
indicator options and add-ons.
Standard reel
Helix reel
Roughage Maxx®
Hay Maxx®
Slide tray discharge
24’’ 3-auger discharge
36’’ 3-auger discharge
36’’ Chain and slat discharge
48’’ Chain and slat discharge
Stainless steel liners
Partial stainless steel liners
Bucket guards
Transport light kit - Standard
Transport light kit - Export
Door flow control
6’’ Riser
Electric switching valve
Hydraulic cylinder for Hay Maxx
Ladder
Clevis hitch
Spade hitch
Safety chain

4. - Safety
RA 125/130
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7N200AUS_A
Reel Mixers - Trailer Type
4. Safety
4.1 Description of symbols used in
this document
This symbol indicates a potentially hazardous
situation that if not avoided, could result in serious
bodily injury.
This symbol is used to identify special instructionsor
procedures which, if not followed strictly, could
result in machinery damage.
This symbol is used to communicate technical
information of particular interest.

RA 125/130
84. - Safety
7N200AUS_A
Reel Mixers - Trailer Type
4.2 Safety instructions
Read and follow the safety instructions
Before using the machine, carefully read all the
safety instructions in this manual and the warnings
placed on the machine. Failure to follow the
instructions contained in this manual could result in
product or property damage, severe personal injury,
or death. All applicable safety procedures, codes
and requirements of any federal, provincial, state
and local agencies, as well as safe working
practices and good judgment, must be used by
personnel when assembling, servicing, adjusting or
operating this equipment.
Before starting work, the operator must be familiar
with all machine controls, handling devices and their
functions. It is too late to learn once work has been
started!
Never let anyone operate the machine who is not
trained to do so.
Should you have any difficulties in understanding
any parts of this manual, please contact your KUHN
dealer.
Safety shutdown procedure
Before adjusting, maintaining or repairing the
machine, depressurize hydraulics, turn off the
engine, remove ignition key and wait until all moving
parts have come to a complete stop.
Introduction
The machine must only be operated, maintained and repaired by qualified persons who are familiar with
the machines' operation and understand safety regulations and procedures for preventing accidents.
The operator must follow the safety instructions in this manual and in the warnings posted on the machine.
The operator is also obliged to respect current legislation concerning accident prevention, work safety and
public traffic circulation.
The intended use of the machine includes following all operation, maintenance and repair
recommendations given by the manufacturer, and using only genuine spare parts, equipment and
accessories, as recommended by the manufacturer.
The manufacturer is not held liable for any damage resulting from machine applications other than those
specified by the manufacturer. Any use other than the designated operation is at the risk and responsibility
of the operator.
The manufacturer is not held liable forany damage or accidentresulting from machine modifications carried
out by the operator himself or by a third party without previous written agreement from the manufacturer.