Rapid
series
RDA 400S
Maunfacturing No. 14800-
Instructions
900285-en
27.06.2011
ver. 2
Original instructions
2 27.06.2011
ver. 2
RDA 400S
Se instruktionsbok
See instructions
Siehe Betriebsanleitung
Voir manuel d’utilisation
0,49
Solrosor
Sunflowers
Sonnen-
blume
Lin
Klöver
Raps
0,76
Flax
Flachs
Lin
0,77
Clover
Klee
Trèfle
0,65
Rape
Raps
Colza
3-4
1,5-3
0,36
Gräs
Grass
Gras
Ray-grass
Majs
0,79
Maize
Mais
Maïs
5-20
21-70
10-60
61-100
5-24
25-40
41-60
4-10
11-20
21-30
-
2-10
11-20
21-45
30-100
-
101-300
301-500
Vicker
Lupiner
Ärtor
Bönor
Havre
Korn
Råg
Vete
0,83
Vetch
Vicken
Vesces
0,76
Lupins
Lupinen
Luping
0,80
Peas
Erbsen
Pois
0,85
Beans
Bohnen
Fèves
0,50
Oats
Hafer
Avoine
0,67
Barley
Gerste
Orge
0,72
Rye
Roggen
Seigle
0,77
Wheat
Weizen
Blé
Kg/ha
30-100
101-300
301-500
30-100
101-300
301-500
30-100
101-300
301-500
30-100
101-300
301-500
30-100
101-200
201-350
30-100
101-300
301-500
30-100
101-300
301-500
30-100
101-300
301-500
Table, Tabelle, Tableau
RDA 400-800S No. 14800-
Kg/l
Scale
2
6
15
30
80
140
3
4
1 Safety regulations
1.1 Before using the drill ............................................................................ 9
1.2 Warning decals ................................................................................. 10
1.3 Location of warning decals on the machine ........................................... 11
1.4 Other safety precautions .................................................................... 12
1.5 Data plates ....................................................................................... 13
1.6 Moving the machine when not hitched to a tractor ................................. 15
2 Installation instructions
2.1 Installation of the Control Station on the tractor .................................... 17
3 Instructions and settings
3.1 Tractor ............................................................................................. 18
3.2 Hitching and unhitching the seed drill without an intermediate packer ...... 19
3.3 Hitching and unhitching the seed drill with an intermediate packer ........... 21
3.4 Connecting the hydraulic hoses and electrical cables .............................. 22
3.5 Hose length and hose holder adjustment .............................................. 24
3.6 Wheel retraction mechanism (only machines with the hydraulic depth
adjustment option) ............................................................................ 25
3.7 Changing between transport position and working position ...................... 26
3.8 Horizontal alignment .......................................................................... 28
3.9 Mechanical adjustment of sowing depth ................................................ 30
3.10 Hydraulic adjustment of sowing depth (option 15582-) ........................... 31
3.11 Adjusting the wing sections ................................................................ 34
3.12 Adjusting the changeover valve ........................................................... 35
3.13 Adjustment of the pre-implements ....................................................... 36
3.14 Adjusting the following harrow ............................................................ 38
3.15 Adjusting Low lift height ..................................................................... 39
3.16 Locking the lifting rams during service .................................................. 39
3.17 Adjusting the seed coulters ................................................................. 40
3.18 Scraper ............................................................................................ 42
3.19 Bout marker adjustment ..................................................................... 43
3.20 Track eradicators, tines (option) .......................................................... 43
3.21 Track eradicators, System Disc ............................................................ 44
3.22 Wing packers (option) ........................................................................ 44
3.23 Setting the radar ............................................................................... 45
3.24 Adjusting the air-flow ......................................................................... 46
3.25 Seed box setting ............................................................................... 47
3.26 Calibration ........................................................................................ 48
3.27 Prior to filling the hopper .................................................................... 53
3.28 Emptying the seed hopper .................................................................. 54
3.29 Operation test ................................................................................... 55
3.30 Control station .................................................................................. 56
3.31 Interactive Depth Control function, IDC (option 15582-) ......................... 67
3.32 Tramlining ........................................................................................ 71
3.33 Adjusting the pre-emergence bout marker ............................................ 75
3.34 Hydraulic brakes (accessories) ............................................................ 76
3.35 Maintenance of hydraulic brake system ................................................ 78
3.36 Pneumatic brakes (accessories) ........................................................... 79
3.37 Maintenance of pneumatic brake system .............................................. 82
RDA 400S
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ver.2 5
4 Advice on seeding and driving instructions
4.1 Sowing depth .................................................................................... 84
4.2 Checking the seed feed ...................................................................... 85
4.3 Sowing headlands ............................................................................. 86
4.4 Engaging the drill .............................................................................. 86
4.5 Intermediate packer .......................................................................... 87
4.6 Tramlining ........................................................................................ 88
4.7 Bout markers .................................................................................... 88
4.8 Obstructions ..................................................................................... 88
4.9 Turning with Low lift .......................................................................... 88
5 Maintenance and service
5.1 General maintenance ......................................................................... 92
5.2 Inspecting the drill's towing eyelet ....................................................... 93
5.3 Seed feed housing and rape brush ....................................................... 94
5.4 Locking device .................................................................................. 94
5.5 Cleaning ........................................................................................... 95
5.6 Storing the drill ................................................................................. 96
5.7 Lubrication points .............................................................................. 98
5.8 Service cover .................................................................................. 100
5.9 Changing discs ................................................................................ 100
5.10 Changing disc bearings .................................................................... 101
5.11 Changing seed coulter mounting bolts ................................................ 101
5.12 Changing wheels ............................................................................. 102
5.13 Changing the seals on the hydraulic rams ........................................... 102
5.14 Changing the valve seals on the lifting ram ......................................... 103
5.15 Repairing and replacing seed hoses .................................................... 104
5.16 Replacing the fan revolution sensor .................................................... 105
5.17 Hydraulic drive transmission ............................................................. 106
5.18 Replacing the oil filter in the hydraulic unit .......................................... 107
5.19 Intermediate packer (option) ............................................................ 108
6 Troubleshooting
6.1 General information on troubleshooting .............................................. 109
6.2 Troubleshooting chart ...................................................................... 113
6.3 Alarm list ....................................................................................... 119
7 Appendices
7.1 Sowing table ................................................................................... 122
7.2 Hydraulic diagram ........................................................................... 124
7.3 Electrical system ............................................................................. 128
7.4 Technical data ................................................................................. 135
6 27.06.2011
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RDA 400S
INTRODUCTION
Väderstad Rapid A 400 S is a high-capacity cultivation drill. The Rapid drills can be used
under a large variety of conditions, from "direct drilling" to sowing straight after the
plough. This versatility is made possible by the drill's coulter system design and its unique
depth control system, amongst other features.
The machine can be fitted with different types of pre-implements to suit varying farmland
conditions.
IMPORTANT!
This instruction manual is based on experience and results obtained during development of
the Rapid series of drills. Hints and guidelines are to be regarded as general advice, entailing no responsibility whatsoever on the part of Väderstad-Verken AB and/or its representative. All responsibility for usage, road transport, maintenance and repair etc. of the drill
rests with the owner/driver.
Local conditions affecting crop sequence, soil type, climate etc. may require procedures
different to those mentioned in this manual.
The owner/operator shall bear full responsibility for correct use of the drill at any given
time.
Väderstad drills have passed quality assurance tests and operational tests prior to delivery.
The user/purchaser shall retain sole liability for ensuring that the equipment functions correctly when in use. In case of complaints, please refer to the “General delivery conditions
of the Väderstad group”.
27.06.2011
ver.2 7
EC DECLARATION OF CONFORMITY FOR THE MACHINE
in accordance with the EU Machinery Directive 2006/42/EC
Väderstad-Verken AB, P.O. Box 85, SE-590 21 Väderstad, SWEDEN
hereby confirms that the drilling machines hereunder have been manufactured in accord-
ance with the Council Directives 2006/42/EC and 2004/108/EC.
The above declaration covers the following machines:
RDA 400S, manufacturing no. 14800-18000.
Väderstad 2010-06-18
Lars-Erik Axelsson
Legal requirements coordinator
Väderstad-Verken AB
Box 85, 590 221 Väderstad
The undersigned is also authorised to compile technical documentation for the above
machines.
8 27.06.2011
ver. 2
1 Safety regulations
1.1 Before using the drill
Figure 1.1
! Always pay extra attention to paragraphs or figures bearing the following symbol:
! Learn to handle the drill correctly and with care. The drill can be dangerous in inexperienced
or careless hands.
RDA 400S
27.06.2011
ver.2 9
Safety regulations
A
C D
B
H
E F
G
JI
K
L
1.2 Warning decals
Figure 1.2
A
Read the instructions carefully and make sure you understand them.
B
Always make sure that the entire working area and folding area of the seed drill are unobstructed. Never walk under a suspended section. Always check that the automatic catches have engaged in connection with transport and parking.
C
Warning tape, pay attention to the danger of crushing and impact injuries. Also used on safety
components.
D
Never work under the seed drill without ensuring that the machine is properly supported on
stands or is standing on some other firm surface. Secure the lifting ram and the push rod ram
(1, accessory) by means of the yellow locking device. See also ”3.16 Locking the lifting rams
during service” on page 39.
E
Always ensure that the working area of the bout markers is unobstructed. Bear in mind the danger of injury when folding or unforlding the bout markers or getting caught between the seed
drill and the bout markers when they are folded in.
NOTE!
The bout markers are always folded
in when the machine is raised, regardless of the indication on the control box. The marker arm
will always fold as the machine is lowered. Therefor always shut off the control box main
switch when the machine is not on the field. All settings will remain unchanged though the box
is shut off.
If the machine is parked and left resting only on the wheels and support leg, the bout markers
could start to slowly unfold due to internal overleakage in the hydraulic system. Make it a habit
to always park the machine on its wheels, discs and support leg and always block the bout
markers with the safety cotter pins.
F
Do not climb onto the wheels when the seed drill is parked as they can rotate.
G
Do not stand on the seed drill while it is in use.
H
Do not stand on the seed drill during front loading of seed.
10 27.06.2011
I
The ladder and platform of the drill are not designed for manual loading from small seed bags.
J
Do not stand on the upper grating of the seed hopper.
K
Do not stand between the tractor and the machine when reversing the tractor to hitch the drill.
L
Use ear defenders when adjacent to the running fan.
ver. 2
1.3 Location of warning decals on the machine
J
E
D
C
F
G,H,I,K
A,B,D,L
Figure 1.3
RDA 400S
27.06.2011
ver.2 11
Safety regulations
1.4 Other safety precautions
! Observe the greatest caution when transporting the seed drill on a public road. If the machine
has a full hopper, note that the towed weight is considerable and that the view to the rear is
greatly restricted. Check the adjustment of the tractor's rear-view mirrors. If the machine is to
be transported over a longer distance, be sure to block the lifting ram of the centre section with
the yellow mechanical locking device, see ”3.16 Locking the lifting rams during service” on
page 39. The owner/operator is solely responsible for transport of the seed drill on public
roads. Use the lights on the drill according to the local traffic regulations.
!
NOTE!
30 km/h, during transportation on the road.
! Make sure that at least 20% of the tractor's weight is resting on its front wheels when the drill
has been hitched and loaded. This will ensure full steering ability of the tractor train.
! When any repair work is carried out on the hydraulic system, the seed drill should be in the
lowered position and resting on a firm and level surface with the wing sections lowered!
! Never stand under the intermediate packer or drill if it is suspended and only secured with the
tractor's hydraulic lifting arms. Prior to any service on the intermediate packer, be sure to secure it properly with trestles, etc. on firm, level ground.
! Be sure to set the master cylinder stopper in such a way that the drill rests on both the wheels
and the discs when parked. Since the weight on the supporting leg is so high, the machine shall
not be parked on loose surface!
This machine/equipment together with its tyres is designed for a maximum speed of
! Always make sure that the seed drill's male couplings and the tractor's female couplings are
clean and free from impurities before connecting them together.
! Always use genuine Väderstad spare parts to maintain the quality and reliability of the seed
drill. If other brands of spare parts are used, all guarantee and claim commitments cease to be
valid.
! Regularly inspect the wear on the drill's towing eyelet. Replace the towing eyelet when it has
been worn down to the wear limit. See ”5.2 Inspecting the drill's towing eyelet” on page 93.
! Any welding work on the machine/implement should hold professional standard.
Incorrect welding may result in serious injuries or possibly fatal injuries. If in doubt, contact a
professional welding service for proper instructions.
! Never look straight into the optics of the radar when it is operating! There is a risk of permanent
damage to the eyesight! (Hydraulic feed output).
! When cleaning the drilling system or when servicing the transmission system on machines
with hydraulic feed output, the hydraulic flow to the fan and feed output driving mechanism
must always be shut off beforehand.
12 27.06.2011
ver. 2
1.5 Data plates
A
B
C
E F G
D
! The machine is equipped with either a combination of signs 1.5.1, Serial number plate, and
1.5.2, CE plate, or 1.5.3, Machine label.
1.5.1 Serial number plate
Figure 1.4
A
Type number
B
Manufacturing number. Always state the manufacturer number for your machine when ordering spare parts and in case of warranty claims.
1.5.2 CE plate
RDA 400S
Figure 1.5
C
Working width
D
Transport width
E
Serial (CE) number
F
Weight, total weight fully equipped and with maximum load. For more information, see ”7.4
Technical data” on page 135.
G
Year of manufacture
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Safety regulations
A
B
D
E
I
J
G
C
F
H
1.5.3 Machine label
Figure 1.6
A
Machine type
B
Manufacturing serial number
(Always state the serial number of your machine when ordering spare parts and in case of servicing or warranty claims.)
C
Year of manufacture
D
Working width
E
Transport width
F
Tare weight of the basic machine
G
Maximum total weight
H
Maximum permitted payload
I
Maximum permitted axle loading
J
Maximum coupling load (at the tractor hitch)
! Also refer to ”7.4 Technical data” on page 135.
14 27.06.2011
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RDA 400S
1.6 Moving the machine when not hitched to a tractor
NOTE!
If the machine must be moved when not hitched to a tractor,it must be transported on a machine trailer or lorry flatbed!
The machine must be rolled onto and off the transport vehicle using a tractor. Lifting with a crane
is prohibited!
1 Set the machine to the transport position; see ”3.7.2 Changing to transport position” on page
27.
2 Activate the wheel retraction function (Only applies to machines with hydraulic depth setting),
see ”3.6 Wheel retraction mechanism (only machines with the hydraulic depth adjustment
option)” on page 25.
3 Raise the pre-implement to the full lifting height.
4 Reverse the machine lengthwise onto the trailer or flatbed. If using a flatbed, a ramp, loading
pier or similar will be required. Take great care. Check that no machine parts are damaged
during loading.
5 Lower the machine. Adjust the master cylinder's stop device and parking stay so that the
machine rests on the wheels, discs and support (or intermediate packer) in the lowered position.
Make sure that the machine's hydraulic system is depressurised.
6 Secure the machine's transport wheels to prevent rolling using chocks or similar.
7 Secure the tarpaulin using tension straps or similar.
8 Unhitch the tractor from the machine.
9 Secure the machine using suitable lashing equipment in accordance with applicable rules. The
lashing equipment must be attached to the machine at the locations indicated by the decals; see
“Figure 1.7”.
! For information on the machine's dimensions and weight, see ”7.4 Technical data” on page
135!
! Always make sure that you comply with applicable national regulations concerning transport
dimensions, requirements for escort vehicles or similar!
Figure 1.7
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Safety regulations
16 27.06.2011
ver. 2
2 Installation instructions
2.1 Installation of the Control Station on the tractor
Figure 2.1 Figure 2.2
1 Be sure to install the control box securely in the tractor cab. Place the control box within the
field of vision while looking in the travelling direction. Install the bracket as shown in the il-
lustration.
NOTE!
Check for hidden cables before drilling holes in the tractor cab.
RDA 400S
2 Connect the Control Station to the electrical socket on the tractor. If an electrical power outlet
is not available, extra wiring must be installed. Preferably use 6 mm² cable. Connect the cables:
Brown to positive (+) and blue to earth (-).
NOTE!
It is important to have good wiring connections, as a loose connection will prevent correct operation.
Do not use a cigarette lighter outlet,as the current consumption is up to 20 A.
Make sure that the connecting cable to the drill is not trapped under the rear window of the tractor
as this may cause damage. Use a hatch or a hole. Securely clamp the cable in the tractor cab. This
protects the Control Station from damage in case the connection cable has inadvertently not been
disconnected prior to unhitching the drill.
The polarity must not be reversed.
27.06.2011
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Instructions and settings
3 Instructions and settings
NOTE!
All basic adjustments must be carried out with the Rapid drill on a level surface, with the
wing sections lowered and with the drill hitched to a tractor.
3.1 Tractor
Figure 3.1 Figure 3.2
3.1.1 Tyre equipment and weights
To reduce soil compaction and to increase the pull, the tractor should be fitted with very good
tyres.Try to have as low tyre pressure as possible. Any front weights on the tractor should be removed.
3.1.2 Tractor hydraulic system requirements
1 pressure-free return input, 3/4”, for return oil from the fans. Contact your tractor distributor for
instructions on how this is to be installed.
4 x double-acting hydraulic couplings, 1/2", with the following functions:
A
For fan operation one double-acting hydraulic coupling is required, with a capacity of 40 l/min.
at 180 Bar. This coupling requires an individually adjustable flow.
B
For the raising/lowering of the seed drills and to operate the bout markers, one double-acting
hydraulic coupling is required, with a capacity of 40 l/min. at 180 bar.
NOTE!
It must be possible to use the hydraulic couplings mentioned in A and B above simultane-
ously.
C
For the retraction and extension functions and for operating the Crossboard, one double-acting
hydraulic coupling is required, with a capacity of 20 l/min. at 180 bar.
D
For the raising/lowering of pre-implements, one double-acting hydraulic coupling is required,
with a capacity of 20 l/min. at 180 bar.
18 27.06.2011
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RDA 400S
3.2 Hitching and unhitching the seed drill without an intermediate packer
3.2.1 Hitching
Figure 3.3
1 Connect the drill to the tractor hitch device.
2 Raise and secure the machine parking stay.
3 Fold the hose holder forward and connect the hydraulic hoses and electrical cabling, see also
”3.4 Connecting the hydraulic hoses and electrical cables” on page 22.
4 Check that the hoses and cables are hanging free, even during sharp turns, see also ”3.5 Hose
length and hose holder adjustment” on page 24.
! Regularly inspect the tractor's hitch device and the drawbar eye on the implement for wear, see
”5.2 Inspecting the drill's towing eyelet” on page 93.
27.06.2011
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Instructions and settings
3.2.2 Unhitching
Figure 3.4
! Unhitching and parking must always take place on a level and solid surface.
1 Lower and secure the machine parking support.
2 Be sure to adjust the master ram stopper and the parking stay in such a way that the drill rests
on the wheels, discs and its stay when parked. Since the load on the stay is very high, avoid
parking the drill on soft ground.
3 Disconnect the drill from the tractor hitch.
4 Disconnect the hydraulic hoses and electrical cables. Fold back and secure the hose holders in
the upright position.
Figure 3.5
NOTE!
If the machine is parked and left resting only on the wheels and parking stay, the bout
markers could start to slowly unfold due to internal overleakage in the hydraulic system. Make it
a habit to always park the machine on its wheels, discs and stay and always block the bout markers
with the safety cotter pins.
NOTE!
If the seed drill is to be parked with a full seed hopper, or in a location where the ground
conditions may not be fit to carry the load, a plank or similar must be placed under the parking
stay foot to spread the load.
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RDA 400S
3
3.3 Hitching and unhitching the seed drill with an intermediate packer
3.3.1 Hitching
Figure 3.6 Figure 3.7
1 Connect the drill to the tractor lifting arms. The Class 3 screw taps must be used.
Figure 3.8
2 Fold the hose holder forward and connect the hydraulic hoses and electrical cabling, see also
”3.4 Connecting the hydraulic hoses and electrical cables” on page 22.
3 Check that the hoses and cables are hanging free, even during sharp turns, see also ”3.5 Hose
length and hose holder adjustment” on page 24.
! After connection of the intermediate packer, the tractor lifting arms should be locked using the
side stabiliser stays.
! The driving instructions for the intermediate packer are given in ”4.5 Intermediate packer” on
page 87.
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Instructions and settings
3.3.2 Unhitching
Figure 3.9
1 Park the machine on a firm surface.
2 Depressurize the hydraulic system.
3 Disconnect the drill from the tractor lifting arms.
4 Disconnect the hydraulic hoses and electrical cables. Fold back and secure the hose holders in
the upright position.
NOTE!
ram prior to depressurizing the system. See ”3.16 Locking the lifting rams during service” on page
39.
If unhitching is done on soft ground, be sure to fit the yellow locking device on the lifting
3.4 Connecting the hydraulic hoses and electrical cables
3.4.1 Connection of the hydraulic hoses for operating the machine
1 The two hoses marked by yellow plastic rings are used to raise and lower the seed drill and to
operate the bout markers.
2 The two hoses marked by white plastic rings are used to fold down the side sections and to ad-
just the Crossboard.
3 The two hoses marked by blue plastic rings are used to operate the pre-implement.
4 The two hoses running to the hydraulic top rod (optional equipment) should be connected to a
two-way hydraulic connector.
! Carefully check that all hoses are connected in pairs to the correct hydraulic couplings on the
tractor.
22 27.06.2011
ver. 2
3.4.2 Hose connections to the fan and delivery system
2
2
1
A
Figure 3.10 Figure 3.11
1 Connect the two thin hoses to a two-way hydraulic connector designed for continuous opera-
tion of a hydraulic motor. If available, use a priority connector. The thicker hose of these two
hoses is the pressure hose to the hydraulic motor, while the thinner is the oil leakage hose.
2 The thickest hose is the 3/4" return hose and is connected to a separate non-pressurised return
input. Lock the return input coupling female connection. See “Figure 3.11”.
NOTE!
Carefully wipe the couplings dry! This is a good way to avoid unnecessary problems and
wear in the hydraulic system.
Read section ”3.30 Control station” on page 56 before starting the fan.
RDA 400S
3.4.3 Cable connections to the Control Station and lighting
Figure 3.12
1 Remove the protective cover (A) from the intermediate cable on the seed drill and connect the
cable to the Control Station. Be very careful when making this connection. Make sure that the
pins of both connectors are aligned. Then lightly press the connectors together while screwing
the nut to secure the connectors. When unhitching the implement, screw on the protective cover for the intermediate cable.
2 The male connector for seed drill lighting is connected to the standard external lighting con-
nector on the tractor.
3 The electrical cables are to be hung on the hose holders, together with the hydraulic hoses, see
”3.5 Hose length and hose holder adjustment” on page 24.
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Instructions and settings
A
B
3.5 Hose length and hose holder adjustment
Figure 3.13
The seed drill is equipped with a folding hose holder.
The holder can be fitted in different positions along the drawbar, and it should be located as close
to the tractor as possible to work best. The hose holder should also, in most cases, be pulled out
to its full length. Try to get the support for the hoses close to the drawbar eye or the intermediate
packer turning point.
The excess length of the hoses is formed into a loop beneath the platform and the hoses are
clamped by the hose holder.
! When the hydraulic hoses are connected to the tractor, the hose holder must be folded forward.
Choose a suitable location by moving the pin, see position A. The lengths of the hoses must be
arranged so that they hang free, even during sharp turns.
! When the hydraulic hoses are disconnected from the tractor, the hose holder must be folded
back. Keep the holder in its upright position with the pin, see position B. The hydraulic hoses
can now hang in the hose holder without the quick-release couplings dragging on the ground
and getting dirty.
24 27.06.2011
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RDA 400S
C
A
B
3.6 Wheel retraction mechanism (only machines with the hydraulic depth adjustment option)
Figure 3.14
NOTE!
Risk of crushing in the spring-loaded wheel retraction mechanism. Always use suitable
tools when operating the locking devices, e.g. using the supplied key (C)!
Also see ”3.7 Changing between transport position and working position” on page 26.
The drill has a function that allows the wheels of the side sections to be retracted when the machine
has been folded in to the transport position. This further reduces the transport width of the machine.
To engage this feature, move the levers (A) (one on each side section) up to position (B) once the
machine has been folded in. Use a suitable tool, such as the supplied key (C).
When the machine is unfolded to the work position, the wheel retraction mechanism is automatically reset and the wheels return to the "normal" position.
! The drill should not be in the fully raised position when the side sections are unfolded. Lower
it approx. 5 cm from the topmost position prior to commencing folding out the machine.
! If automatic resetting of the wheel retraction mechanism does not operate, this can be verified
by the machine hanging at an angle in the folded out position. If this is the case, fold in the side
sections and repeat the folding out procedure.
! The machine can be folded in and unfolded even when this feature has not been engaged. How-
ever, the result will be that the wheels of the side sections then remain in the "normal" position,
and the transport width will accordingly be slightly wider!
! Do not lower the machine to the drilling position if the machine is resting on soft ground and
the side sections have been folded in with the side section wheels also retracted.
If the machine has been folded in with the side section wheels retracted, do not retract the
wheels from the ground using the hydraulics.
Unless this caution is heeded, there is a risk of serious mechanical damage to the drill.
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Instructions and settings
3.7 Changing between transport position and working position
3.7.1 Changing to working position
Figure 3.15
A
Lift the seed drill to its top position. Folding the wing sections in and out must always be carried out with the seed drill fully raised. Also check that the tool bar is fully raised before folding
out.
Figure 3.16 Figure 3.17
B
Draw the wings together with the folding ram. At the same time unlock the wing sections with
the line.
Figure 3.18
C
Unfold the wing sections. Keep the lock release line taut until the second section has started to
unfold.
26 27.06.2011
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RDA 400S
Figure 3.19 Figure 3.20
D
Keep the hydraulic lever on the tractor in the lowering position (
must not be used) until the ram ("folding ram") is fully refilled, locking the wing sections in
the unfolded position. See “Figure 3.19”.
Note!
"Floating" position
Figure 3.21
E
Always drive forwards when the seed drill is lowered to its working position, to prevent the
seed coulters becoming clogged.
F
Lower the tool bar to its working position.
G
Undo the safety cotter pins of the bout markers.
3.7.2 Changing to transport position
A
Switch off the low-lift function at the control box. Raise the seed drill to its top position.
When the wing sections are being folded and unfolded, the mid section must always be in its
fully raised position.
B
Fold the drill.
C
Check whether the automatic locking devices engage.
D
Check that front implements and trailing implements do not exceed the 3 metre transportation
width limit.
E
Block the bout markers with the safety cotter pins.
Note!
27.06.2011
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Instructions and settings
C
B
A
3.8 Horizontal alignment
Figure 3.22
28 27.06.2011
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RDA 400S
The longitudinal inclination of the drill can be adjusted using the push rod (A) with the machine
resting on solid, level ground. When correctly adjusted, the front and rear row of drill discs should
reach the ground at the same time when the machine is lowered.
Loosen the lock nut (B), adjust to the desired position, and then tighten the lock nut. Use the included spanner with a 60 mm holding width.
The measure (C) must never exceed 165 mm!
NOTE!
Be sure to sufficiently tighten the lock nut!
Ground parallelism can be verified in the field by ensuring that the front seed boxes drill to the
same depth as those at the rear.
This can be easily verified using the Väderstad drill depth meter. First pack the soil a bit, then
scrape off thin layers of soil until the grains become visible. Grains in all rows should be visible
at the same time. If this is not the case, the drill is not operating in a parallel state.
NOTE!
Figure 3.23
This incurs the risk of the seed coulters blocking!
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Instructions and settings
3.9 Mechanical adjustment of sowing depth
Figure 3.24
The drilling depth of the centre section is set using the stop bolt (A). The drilling depth of the side
sections is adjusted with the cranks (B). The scale indications do not constitute absolute values of
the drilling depth in centimetres but serve as an index only. For considerable adjustments of the
drilling depth, It may be necessary to adjust the horizontal alignment. See ”3.8 Horizontal align-
ment” on page 28. Also see ”4.1 Sowing depth” on page 84.
30 27.06.2011
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RDA 400S
3.10 Hydraulic adjustment of sowing depth (option 15582-)
3.10.1 Adjusting the master and slave system
Figure 3.25
The sowing depth of the drill is controlled by three hydraulic rams connected in series in a socalled master and slave system. Before using the drill for the first time, the rams must be bled and
their position zeroed in relation to each other thus:
Raise the drill to its topmost position so that all hydraulic rams are fully extended. Keep hold of
the hydraulic lever in this position with the tractor engine running at half speed for 15-20 seconds.
The rams have a transfer connection in the top position which means that oil can flow through the
system and flush out any remaining air. Always repeat this bleed procedure for a few seconds after
hitching on, before adjusting the drill, after unfolding and a few times during the working day.
After bleeding and resetting of the master and slave system, the sowing depth for the three sections
can be adjusted. This adjustment is carried out with the seed drill in operational condition out in
the field. Fold out the wing sections of the machine fully and check that the wing sections operate
in line with the middle section, see”3.11 Adjusting the wing sections” on page 34. Set a suitable
working depth using the aluminium stopper on the master cylinder's piston rod, which is located
on the middle section, see pos. A. Move forwards and lower the seed drill. Keep the hydraulic lever in position for a few seconds, e.g. while the bout markers unfold.
Check the sowing depth at the centre of each section, see ”4.1 Sowing depth” on page 84. If necessary, adjust the length of the piston rod on both side sections. This adjustment should be done
so that none of the piston rod ends comes lose from the machine.
A
Loosen the opposing nut (C)
B
Turn the piston rod (B) with a spanner so that the rod end is screwed in or out. An outward
adjustment gives a shallower sowing depth.
NOTE!
The piston rods may be difficult to turn
when the hydraulic rams are fully extended. Do not adjust the piston rod end beyond 60 mm.
C
Tighten the opposing nut (C) against the end of the rod (B).
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Instructions and settings
3.10.2 Drilling depth setting using the Interactive DepthControl function (IDC)
The drill is equipped with the Interactive Depth Control feature (IDC), which enables fine adjustment of the drilling depth from the tractor cab while driving. The drilling depth is set according
to ”3.10.2 Drilling depth setting using the Interactive DepthControl function (IDC)” on page 32.
For detailed instructions how to set and calibrate the system, see ”3.31 Interactive Depth Control
function, IDC (option 15582-)” on page 67.
When using the Interactive Depth Control function, the stop bolt (A) should be set to a “safe drilling depth”, i.e. the maximum desired depth, see ”Figure 3.25 ” on page 31.
Reset and bleed the system for about 5 seconds a couple of times throughout the work day. Refer
to ”4.1 Sowing depth” on page 84.
If the Control Station has not been programmed for the Interactive Depth Control function, then
the drilling depth can be manually adjusted by setting the stop bolt (A) in the desired position. The
scale indications do not constitute absolute values of the drilling depth in centimetres, but serve
as an index only, see ”3.10.3 Manual adjustment of sowing depth” on page 33.
Figure 3.26 Figure 3.27
! In order to use the Interactive Depth Control function, the Control Station must be loaded with
firmware version 210004 or later.
The Interactive Depth Control function allows setting and fine adjustment of the drilling depth
from the Control Station. An ultrasonic sensor measures the lifting ram position, while two hydraulic electric valves determine the drilling depth and the low-lift position.
The machine is raised and lowered in the usual fashion using the hydraulic levers on the tractor.
To engage the Interactive Depth Control function, depress the button.
When this function is engaged, the indicator lamp in the button blinks, the alarm indicator
blinks and a buzzer sounds.
The position of the lifting ram can now be fine adjusted using the hydraulic levers on the tractor.
The ram operates at a reduced speed selected in the calibration menu. See ”3.31.2 Calibration
menu” on page 68.
The drilling depth scale value is displayed next to the symbol. See “Figure 3.26”. The scale
value is not an exact depth in centimetres but rather serves as a reference.
32 27.06.2011
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RDA 400S
The function is kept engaged automatically for the time duration selected in the calibration menu
(3 - 60 seconds) or until the button is depressed once again.
When the Interactive Depth Control function is not engaged, the symbol is displayed together with the current scale value. See “Figure 3.27”. If the current value should exceed the set
value, the Control Station displays the warning message: “Seed depth”.
! For detailed instructions on how to set and calibrate the system, see ”3.31 Interactive Depth
Control function, IDC (option 15582-)” on page 67.
! To gain access to the setting and calibration menu without having to restart the Control Station,
keep the button depressed while simultaneously depressing .
NOTE!
If the drill cannot be lowered from its raised position, this is probably due to the Interactive
Depth Control function having locked the system. Depress the button and lower the machine to the desired depth.
3.10.3 Manual adjustment of sowing depth
If the Control Station is not programmed for the Interactive Depth Control function, the sowing
depth can be adjusted manually by placing the stop bolt (A) in the required position, see ”Figure
3.25 ” on page 31. The scale does not show absolute sowing depths in centimetres but is only an
index. After larger changes in sowing depth, the horizontal alignment of the drill may require adjustment, see ”3.8 Horizontal alignment” on page 28. Zero and bleed the system for about 5 seconds as described above on several occasions during the working day. Also refer to ”4.1 Sowing
depth” on page 84.
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Instructions and settings
3.11 Adjusting the wing sections
Figure 3.28
A hydraulic lock is used to lock the extending/retracting ram automatically in the extended position, to keep the machine "rigid". This is to ensure even performance across the entire operating
width. For the wing sections to work in line with the mid section, the stop screws (A) may need
to be adjusted. To check these:
Lift up and unfold the drill, see ”3.7 Changing between transport position and working position”
on page 26, but keep the machine lifted up on the wheels of the mid section. In this position the
forward frame tubes of the wing sections should be properly aligned (parallel) with the mid section.
If the stop bolt (A) needs to be adjusted, first fold up the machine again, see ”3.7 Changing be-
tween transport position and working position” on page 26.
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3.12 Adjusting the changeover valve
Figure 3.29
The valve is usually pre-set on delivery from the factory. The reverse switch (A) activates/deactivates the control system for lowering of the wing sections. When the drill is lowered in working
mode, one of the double-acting hydraulic take-offs of the tractor is linked to the tool bar only.
When the drill is raised onto its wheels, this same hydraulic take-off is also linked to lowering of
the wing sections.
Lever (B) must always be as far forward as possible when the drill is in working mode or LowLift. This can be adjusted by sliding valve (A) backwards or forwards in its mounting (C). Tighten
the screws for the valve mounting (C) after adjustment so that the valve does not slip once its position has been set.
RDA 400S
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Instructions and settings
D
3.13 Adjustment of the pre-implements
3.13.1 System Crossboard, System Agrilla
Figure 3.30
The pre-implements are normally preadjusted at the factory.
Similar to the lifting system, the pre-implements are also connected to a master and slave system.
Prior to adjusting the pre-implements, bleed and reset the hydraulic system in the same was as the
lifting system. See ”3.10 Hydraulic adjustment of sowing depth (option 15582-)” on page 31.
Bleeding the system should be done with the drill in the work position and the pre-implements
completely raised to enable the hydraulic rams to extend fully to the outermost positions.
Then verify the basic adjustment of the pre-implements while hitched to the tractor and the drill
folded out, resting on the seed boxes on level ground. If necessary, adjust the piston rods (A) to
achieve the same working angle on all pre-implements. Loosen the counter-nut (B) while turning
the piston rod and the hydraulic ram in place. The piston rods can be adjusted to a maximum extension of the thread (C) to 20 mm.
Fine adjustment is then performed in the field by adjusting the piston rods (A) until all sections
work at the same depth. Adjust the angle of the front pre-implement in relation to that of the rear
implement using the hole series in the parallel iron bar (D).
NOTE!
Always make sure that the par-
allel iron bars do not interfere with the frame once adjustment is completed.
System Agrilla serial number 15432-
The pre-implement is connected to an individual Master and Slave system like System Disc. Adjustments are made in the same way as System Disc, see ”3.13.2 System Disc” on page 37.
36 27.06.2011
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3.13.2 System Disc
D
Figure 3.31
RDA 400S
The System Disc pre-implement has normally been reset at the factory.
Similar to the lifting system, the pre-implement is connected to a master and slave system. Prior
to adjusting the pre-implement, bleed and reset its hydraulic system in the same was as the lifting
system. See ”3.10 Hydraulic adjustment of sowing depth (option 15582-)” on page 31. Bleeding
the system should be done with the drill in the work position and the System Discs completely
raised to enable the hydraulic rams to extend fully to the outermost positions.
Then verify the basic adjustment of the pre-implement while hitched to the tractor and the drill
folded out, resting on the seed boxes on level ground. If necessary, adjust the piston rods (A) to
achieve the same height setting of all discs. Loosen the counter-nut (B) while turning the piston
rod and the hydraulic ram in place. The piston rods can be adjusted to a maximum extension of
the thread (C) to 20 mm.
Fine adjustment is then performed in the field by adjusting the piston rods (A) until all sections
work at the same depth.
Adjust the angle of the front disc row in relation to that of the rear row using the hole series in the
parallel iron bar (D).
NOTE!
Always make sure that the parallel iron bars do not interfere with the
frame once adjustment is completed.
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Instructions and settings
B
A
C
D
3.14 Adjusting the following harrow
Figure 3.32
1 Select a suitable work angle from row of holes B.
2 The work pressure of the following harrow is adjusted using the adjusting screw (A). Depend-
ing on the work pressure set on the following harrow, the cotter (C) should be positioned between the trailing edge and centre of the oblong groove (D).
Adjust the following harrow to remain in the work position when turning on the headland in
the low-lift position. This will cancel out the tracks of the drill when turning.
Figure 3.33
3 Check that the following harrow tines trail in the between the wheel tracks and in the actual
wheel tracks, respectively. This indicates that the following harrow tines travel in the furrow
centre. When the following harrow tines travel between the furrows, high pressure can be applied on the following harrow without disrupting the seed. In this fashion, a vaporization lay-
er can be harrowed while sowing.
NOTE!
has sufficient clearance height.
NOTE!
ject to a high load, the clearance in the transport position may be limited.
38 27.06.2011
Do not reverse the tractor unless the drill has been fully raised and the following harrow
If the machine has been set to the maximum drilling depth and the following harrow is sub-
ver. 2
3.15 Adjusting Low lift height
A
Figure 3.34
Low lift height can be adjusted by moving the reed switch up or down in its holder using the wing
bolt (A) which is tightened using the wing nut (B).
RDA 400S
NOTE!
This setting must be exact. The Low lift height must not be set either too high or too low.
Too high a setting reduces the pressure on the following harrow in the headlands (unless this is
required). Too low a setting means that tool bars and discs do not have sufficient ground clearance
when raised.
Too low a setting can also cause malfunction of Autostep in the Control Box.
3.16 Locking the lifting rams during service
Figure 3.35 Figure 3.36
Never work beneath the drill during service or maintenance without first ensuring that it is safely
supported on stands and that all lifting rams are locked. There is 1 lifting ram to control sowing
depth of the drill and one push rod ram (extra in certain markets).The rams can be locked using
the relevant yellow locking devices. Raise the drill to the topmost position and push the stop (A)
onto the master ram towards the cylinder end until the pin slips into place.
Regarding placement of trestles, see ”5 Maintenance and service” on page 90.
Service work on the hydraulic system must always be done with the wing sections out and the drill
lowered to the ground.
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Instructions and settings
A
B
C
B
3.17 Adjusting the seed coulters
NOTE!
”3.16 Locking the lifting rams during service” on page 39.
3.17.1 Installation height
Figure 3.37 Figure 3.38
To ensure a satisfactory sowing result, it is important that the seed coulters are correctly installed
on the drill. Determine the installation height with regard to the conditions and the wear of the
disc. When the drill has been lowered with the discs resting on firm ground, the seed coulters
should not touch the surface e.g., (C > 0 mm). Please note that as the C measurement is reduced,
the seed coulters become more susceptible to impacts with stones.
Before commencing any work under the drill, be sure to secure it in the raised position. See
Upon delivery, the seed coulters are installed in position A. This installation height suits most operating conditions.
When drilling under very humid conditions, and with considerable plant residues in the soil surface or for shallow drilling in light or humus soil, the discs may occasionally stop. This can be
avoided by moving the coulters up to position B. Position B, however, can result in impaired seed
positioning.
The picture below shows an example of drilling with considerable plant residues in the soil surface. In this case, the seed coulter should be installed in position B.
Figure 3.39
40 27.06.2011
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3.17.2 Tightening nuts
1
2
3
D
E
Figure 3.40 Figure 3.41
RDA 400S
The seed coulters are spring-mounted on two bolts and the soft washers press the seed coulters
closer to the discs as the nuts are tightened. Do not tighten the nuts more than the coulters can be
easily tilted with one hand. The coulter must not have too close contact with the disc, since this
will cause increased wear and rotational friction.
For very loose soil and/or shallow drilling depths, it may be necessary to slightly loosen the nuts.
When new seed coulters are mounted, it is necessary to check the width of the slot between the
disc and the coulter. The slot should be wider at the top. Unless this is the case, plant residues may
collect here. If the seed coulters do not make contact at the correct place, this can be adjusted by
adjusting the metal plates at positions D and E inside or outside the fastening iron. The point of
contact can also be slightly moved by tightening the front nut more than the rear one.
Table 3.1
Position Reference distance between disc and seed coulter
1 > 0 mm
2 0 mm
3 > 0 mm
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Instructions and settings
B
A
C=5 mm
3.18 Scraper
Figure 3.42
The scraper default settings are shown in the figure.
The scraper position can be adjusted in two places. If the setting (A) is insufficient, the holder (B)
can be adjusted lengthwise.
NOTE!
The distance (C) between the scraper blade and the tyre must not be less than 5 mm. Rotate
the tyre by hand to verify that this distance is not less than 5 mm at any point.
! Depending on the circumstances, a larger distance (C) may be required for optimum results. If
the scraper does not operate satisfactorily, then try with different scraper settings.
Example:
- If there are a lot of plant residues in the soil and it is humid, the scraper will usually provide
better results when the distance (C) is increased to approx. 20 mm.
- If the soil is humid without plant residues, the scraper will provide better results when mounted in the default position (C = 5 mm).
42 27.06.2011
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3.19 Bout marker adjustment
RDA 400: 4,0 m
Figure 3.43
Adjust the bout markers as shown in “Figure 3.43”. This adjustment is approximate. To avoid double-seeding or non-seeding, which may occur if the driver sits at an angle in the tractor, a followup check should be done in the field. Depending on the type of tractor and the driver position, the
marking scraper may be observed differently. The marking scraper should be adjusted after about
an hour’s time of operation.
RDA 400S
3.20 Track eradicators, tines (option)
Figure 3.44
Track eradicators can be mounted in the frame tubing at the front of the pre-implements.
Track eradicators should only be used on drills equipped with an intermediate packer. This is because the intermediate packer needs to be lifted with the tractor's hydraulic lifting arms at the
headland to enable sufficient clearance of the track eradicator tines.
The working depth of the track eradicators can be set by manually repositioning the tines in the
hole series mountings.
For road transport, turn the track eradicator tines upside down in their mountings.
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Instructions and settings
A
B
A
B
D
C
3.21 Track eradicators, System Disc
Figure 3.45
Drills equipped with the System Disc pre-implement have three reversible discs on each side. If
required, these discs can be setter to a deeper depth than the other discs to enable eradication of
the tractor's wheel tracks. The discs can be repositioned by fist slightly loosening the screw joint
(A). The screw joint (B) should then be removed and a new position selected in the hole series.
Retighten the screw joints following completed adjustment.
If the position of the adjustable discs does not correspond to the wheel track of the tractor, switch
the position of the discs with the non-adjustable discs on the pre-implement.
3.22 Wing packers (option)
Figure 3.46
The wing packer height can be set using the adjusting screws (A) on the stays.
First release the spring load and slightly lift the wing packers by tightening the stretching screw
(B). Now the stay (C) should be free of any load. Loosen the screw (D) and screw the adjusting
screw (A) in or out.
Screw out the screw (B) until the play in all joints disappears. Lock it using the counter-nut. Check
whether the spring assembly bends upward.
Check whether the transport width of the drill, with the wing packers installed, is 3 metres or less.
44 27.06.2011
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3.23 Setting the radar
A
1
2
3
B
B
A
B
A
35°
RDA 400S
Figure 3.47
The angle of the radar unit must be adjusted. The angle must be 35° +/- 1° in relation to the soil
surface. The angle of the radar is optimal when the surface (A) is parallel to the soil surface. Loosen the screws (B) and adjust the bracket along the oblong hole.
Some brackets are equipped with markings which show basic adjustments at different towing
heights.
1 Draw-bar height 300 - 400 mm
2 Draw-bar height 400 - 600 mm
3 Draw-bar height 600 - 800 mm / Intermediate packer
! Prior to driving, the radar needs to be calibrated. See menu 15 "Auto calibration" in section
”3.30.3 Programming” on page 63.
! The radar optics must be cleaned regularly!
! Ensure that the working area of the radar is free from obstructions, such as hoses and cables.
NOTE!
Never look straight into the optics of the radar when it is operating! There is a risk of permanent damage to the eyesight!
Figure 3.48
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Instructions and settings
-
+
3.24 Adjusting the air-flow
3.24.1 Hydraulic fan "Fenix"
The air volume is adjusted using the fan speed.
The fan speed can be adjusted in various ways, depending on the tractor on which it is mounted:
A
The fan is controlled using the tractor’s flow valve. A flow valve is available on most tractors
with a constant pressure hydraulic system. If the tractor has a priority hydaulic connector, be
sure to use this. Control of the hydraulic pressure from the tractor’s hydraulic system will then
be optimized for the hydraulic fan and on the tractor. Before installing an external valve according to alternative (b) or (c), check whether a flow valve is optionally available for the tractor’s hydraulic system.
Figure 3.49
B
If the tractor is equipped with a constant pressure hydraulic system but no flow valve, the fan
speed is instead controlled with a check valve installed on the pressure line between the tractor
and the sowing machine. The check valve can be ordered as already fitted or can be fitted on
models without this valve (part no. 420160).
Figure 3.50 Figure 3.51
C
If the tractor has a constant pressure system, the fan rpm can be adjusted using an additional
rpm regulator placed between the hydraulic hoses of the tractor and drill or on the fan holder.
The optional speed regulator can be ordered fitted or can be fitted later (part no. 420154).
Use the fan rpm as indicated in the table below. Check the fan rpm in the Control Station display.
The low rpm alarm on the Control Station should ideally be programmed to 300 rpm below the
set rpm while the high rpm alarm should be set 300 rpm above the set rpm. See ”3.30.3 Program-
ming” on page 63.
Table 3.2 Recommended fan speed
RDA 400 S
Small seeds
Corn
46 27.06.2011
3000 rpm
3600 rpm
ver. 2
3.25 Seed box setting
Figure 3.52
If the drill is fitted with hydraulic feed output, then the output amount is determined by the rotational speed of the seed box and its setting. The seed box is set according to the sowing table columns for hydraulic feed output.
RDA 400S
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Instructions and settings
A
B
3.26 Calibration
1 Set the seed box. See ”3.25 Seed box setting” on page 47.
Figure 3.53
2 Use the enclosed bag for calibration. Prior to calibration, reset the scale with the bag empty.
Push the bag into the seed box from below through the spring-loaded door.
Figure 3.54
3 Switch off the hydraulic fan by turning the lever to position B.
4 Start the tractor and switch on the hydraulic connector used for driving the fan and feed output.
48 27.06.2011
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RDA 400S
5 To access the calibration menu, depress the button on the Control Station.
(Alternatively, the calibration menu can be called up by simultaneously depressing the
and buttons on the Control Station.)
Figure 3.55
! Use the dial to select a row in the menu, mark the row and press to confirm.
6 Mark the menu row with . Enter the desired output volume in kg/hectare. Confirm
with .
7 Mark the menu row with . Enter the desired increase/decrease of the output vol-
ume as a percentage for the electrically adjustable sown amount. Confirm with .
8 Scroll down to the menu row “Calibrate” and depress .
Figure 3.56
9 Fill the seed output system by depressing the button above the button. Alterna-
tively, the corresponding button on the remote control can be used.
Empty the calibration bag.
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Instructions and settings
Figure 3.57
10 Keep on the Control Station or the remote control depressed until a suitable seed amount
has been filled into the bag. Pulses from the seed boxes are counted up in menu row 3.
Figure 3.58
11 Weigh the content of the bag. Scroll down to menu row 4, mark it using and enter the
value in kg. Confirm with .
The number of pulses per kilogram is automatically counted up on menu row 5, while menu
row 6 will be marked.
To manually enter the number of pulses per kg, scroll back to row 5 and use to mark it.
Manually enter the value and confirm with .
12 Confirm completed calibration on menu row 6, “Accept”, by depressing .
To interrupt the calibration and repeat it from the beginning, scroll to menu row 7 “Cancel”
and depress .
50 27.06.2011
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RDA 400S
A
B
13 Select EXIT and press .
Figure 3.59
14 Set the hydraulic fan valve to position A.
3.26.1 Decreasing the scale value of the seed box when the seed hopper is full
The scale value can be reduced in steps of 5-10 scale divisions even after the seed hopper has been
filled. Keep on the Control Station pressed for a few seconds and then continue to reduce
the scale value. When reducing the scale value to less than a value of 20, keep rotating the roller.
Increasing the feed roller engagement can be done without any risk of squeezing the seed.
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Instructions and settings
2.24
Hold
KG
3.26.2 Scale
Figure 3.60 Figure 3.61
Weigh calibrations as follows:
1 Press Start/Reset.
2 Hang the empty calibration bag on the scale hook.
3 The weight of the bag is shown. Wait until "Hold" is displayed.
4 Press Start/Reset.
5 Remove the bag and fill it with the calibrated amount.
6 Weigh the filled bag. The scale now shows the net weight of the calibrated amount.
! The scale is switched off automatically after approximately 5 minutes. (1 min. for certain
scales)
! Keep the scale in the calibration box while driving.
! Check the scale against a known weight at regular intervals and always before the start of the
season.
! Change the battery (Type 9V/6LR61) when the battery indicator shows 1 bar or less.
52 27.06.2011
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3.27 Prior to filling the hopper
Check that:
! the machine is empty, clean and dry.
! the seed housing is set as shown in the sowing table.
! the emptying hatch is closed.
3.27.1 Filling from bulk sacks
Figure 3.62
RDA 400S
NOTE!
Pay attention to safety. Do not walk under a suspended load! Make sure there is nobody on
the drill when feeding the seed. Use of an extension handle on the knife blade is recommended.
Make sure there is nobody on the hopper. Avoid contact with and inhalation of seed disinfectant.
Figure 3.63
The safest way to fill the hopper is diagonally from the rear with the wing in the retracted position.
If filling from the front, do so diagonally from the right with the tractor turned away in order to
allow access to the platform without having to pass under the lifting arm.
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Instructions and settings
3.27.2 Filling from small sacks
NOTE!
the drill when feeding the seed. Make sure there is nobody on the hopper. Avoid contact with and
inhalation of seed disinfectant.
Figure 3.64
Pay attention to safety. Do not walk under a suspended load! Make sure there is nobody on
NOTE!
The stepping boards and platform of the drill are not designed for manual loading from
small seed bags.
Filling should preferably be done using a loader and the bags placed on a pallet.
Lift the pallet diagonally from the front right, with the tractor turned away to the side, up to the
guard rail level in order that one can safely access the platform.
3.28 Emptying the seed hopper
Figure 3.65
The hopper can be emptied by a single action. Remove the sliding hatch completely. If emptying
a bit at a time, slide the hatch up gradually.
Do not forget to replace the hatch after emptying.
54 27.06.2011
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3.29 Operation test
Figure 3.66
To check the actual output, a running test can be performed. This is recommended especially when
the seed drill is new or is used on a different surface to the previous one.
When carrying out measurement, drive a distance (L) of 25 m with the RDA 400 S.
RDA 400S
NOTE!
The fan should be turned off. The measured seed quantity multiplied by 100 gives the dosage in kg/ha.
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Instructions and settings
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20 19
21
22
23
24
25
26
27
28
29
4
3
30
31
32
1
3.30 Control station
Figure 3.67
56 27.06.2011
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3.30.1 Functional description
1 Main switch
2 - Activation of the Control Station when starting.
- Master stop (all feeding stops and "STOP" is displayed on the 3rd and 4th row)
3 Calibration
4 Not used
5 LCD display
6 Tramlining indicator lamps
Off = No tramlining
Green light = Tramlining and correct operation
Red light = Incorrect tramlining
7 - Auto advance block. The indicator lamp next to the button lights when the block is engaged.
- Selection of tramlining programme (Keep the push-button pressed for 5 seconds)
8 Manual advance of tramlining.
9 Indicator lamps for active bout markers.
10 Manual selection of bout markers. Both in/left out/right out/both out.
11 - Automatic bout marker change left/right. The indicator lamp next to the button lights when
automatic operation is engaged.
- Manual change of bout marker.
12 Information. Used to explain alarm conditions, to check the trip meter, average speed, etc.
13 Enter
14 Escape
15 Selection of low-lift or full lift. The indicator lamps next to the button show which function has
been engaged. The left indicator lamp blinks when the low-lift switch has been engaged.
16 Lift stop Used to operate bout markers without raising the machine from the furrow.
17 Selection dial. Use the dial to page through the menus. Selections are shown against a dark
RDA 400S
background. Use to confirm a selection and then use the dial to select or change the value
of the selected item. Confirm the value/selection with .
When entering digits, the speed of change upwards/downwards can be increased by keeping
depressed while turning the dial.
18 Shut-off of seed feeding
19 Not used
20 Not used
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Instructions and settings
1
2
5
6
7
8
9
10
11
12
13
14
15
16
17
18
20 19
21
22
23
24
25
26
27
28
29
4
3
30
31
32
1
Figure 3.68
58 27.06.2011
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RDA 400S
21 Manual start. By keeping the button pressed, seed is fed out without the machine advancing.
This is used e.g. when starting in a corner of the field or when verifying the feed output. Use
the programming menu for presetting the seed output amount in relation to the drive speed.
22 - Electric adjustment of sown seed amount, increase (in max. 5 steps and to max. increase of
99 %).
- Filling the output system prior to calibrating the seed.
23 - Electric adjustment of sown seed amount, default value.
- Seed output when calibrating.
24 - Electric adjustment of sown seed amount, decrease (in max. 5 steps and to max. decrease of
99 %).
25 Not in use.
26 Not in use.
27 Not in use.
28 Not in use.
29 Not in use.
30 Alarm indicator
31 Fuse. Reset the fuse by depressing it with a thin object, e.g., a pen.
32 Control Station spare part number
Display
The first line in the display shows the speedometer, , the second one shows the area meter,
, while the third row shows the fan rpm .
The fourth row shows the selected tramlining programme and the current sequence. Alarms are
also indicated with the symbol (!). The number (!) shows the number of alarms. Press for
an explanation. Press to acknowledge the alarm.
3.30.2 Functions
Auto advance
The Control Station usually operates with so-called auto advance. This means that the furrows in
the tramlining cycle are advanced and the bout makers are switched at the completion of each fur-
row. The auto advance feature can be blocked by depressing push-button . When auto advance is blocked, the indicator lamp in the push-button lights.
Bout markers
During normal driving, automatic bout marker switching is used. Press until the green indicator lamp lights. To advance a bout marker, depress the button once again.
Use the push-button for manual selection of bout markers. Selection is possible between
both bout markers folded in, left bout marker in, right bout marker in and both bout markers folded
out.
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Instructions and settings
Low-lift/Full lift
Use push-button to switch between low-lift and full lift. The indicator lamps next to the
button show which function has been engaged. Use low-lift when drilling. This prevents the machine from being raised too much, while allowing proper operation of the following harrow in the
headland. Never reverse the machine in the low-lift position.
If it becomes necessary to raise the machine, e.g., when encountering an obstruction in the furrow
or to turn back and fill the seed hopper, be sure to first press to disengage the auto advance
feature. Then press to switch to full lift. The machine can now be raised to its maximum
height.
When the drill later is returned to the same position as before the interruption, press to re-
engage auto advance of tramlining and bout marker switching, and press to return to lowlift operation.
The indicator lamp on the left of the button blinks when the low-lift switch has been engaged.
Lift stop
Use the lift stop when the bout markers should be retracted without lifting the machine from the
furrow, e.g., to pass a post or well. Press the button and lift the bout marker using the hy-
draulic lever. Use to alternate between low-lift and full lift. The control box remembers the
function that was engaged prior to activating the lift stop.
Tramlining
The selected tramlining programme is shown at the lower left of the display, while the current furrow in the sequence is shown at the lower right part.
Keep the button depressed until the tramlining programme digit is selected. Then use the
selection dial to set the desired tramline interval (1 - 20) and confirm with . Advance to the
desired start value using . The lamps (6) light when tramlining is in progress.
Tramlining programmes 21 - 30 are special programmes used for lateral tramlining. See ”3.32.2
Tramline options” on page 72.
Tramlining programme 31 is used to enter a user-defined tramlining programme.
Keep the button depressed until the tramlining programme number is marked. Select pro-
gramme 31 using the dial and confirm with . In the left part of the menu, first select the desired number of sequences in the tramlining cycle. Then use the right part of the display to select
in which sequences tracks should be made and whether they should be on the left and/or right. Ad-
vance to the desired start value using .
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RDA 400S
Shut-off of seed feeding
Feeding can be shut off by depressing the button (18) on the left side. The indicator lamp
shows the seed feeding has been shut off.
Electric adjustment of sown seed amount (only applies for hydraulic feed
output)
The default value and percentage change are recorded in the calibration menu.
The electric adjustment of sown seed amount can be controlled using the - - buttons.
results in an increase in the sown amount according to the calibration selections, while
reduces the sown amount according to the calibration selections, and results in the
default value. (Max. 5 steps and max. up/down of +/- 99%.)
Calibration (only applies to hydraulic feed output)
Depress the button to call up the calibration menu. See “Figure 3.69”. Proceed as explained
in ”3.26 Calibration” on page 48.
Figure 3.69
Alarm
The red indicator lamp in the alarm symbol (21) lights and the buzzer sounds. (The signal can be
deselected in the programming menu. See ”3.30.3 Programming” on page 63.
(!) is displayed. Several (!) indicate more than one alarm condition. Press for an explana-
tion of the alarm in the display. Press to acknowledge the alarm.
When the main switch is switched on, a number of alarm indications appear in the display and the
buzzer sounds. Press to acknowledge the alarm. The alarm disappears when drilling starts
and all functions are OK.
It is possible to acknowledge several alarm conditions at the same time. Press and then
press .
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Instructions and settings
Information
Press to access the information menu. Advance by turning the knob. If an alarm simultaneously appear on the Control Station, the alarm texts are shown first.
The information menu shows: seed trip meter (kg), , trip area meter (ha), , trip seasonal
area meter (ha), , trip total area meter (ha), , speedometer (average speed in km/h),
, and the total timer (h), .
It is not possible to reset the trip total area meter, speedometer and the total timer.
The other meters can be reset by first selecting the row where is displayed and then pressing
.
The information texts are shown last in the menu. The texts below may appear on this machine:
- Low-lift switch engaged.
- Unfolding switch engaged.
NOTE!
The seed trip meter (kg), , displays the theoretical value for the output seed amount.
This value may differ slightly from the actual sown amount.
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3.30.3 Programming
The Control Station has been preset at the Väderstad factory depending on the type and size of the
machine it is supplied with. The Control Station settings need to be reentered after replacement or
a reset.
It is also possible to use the settings to adjust e.g., alarm delays, area metering, etc.
To enter the programming menu, keep pressed while simultaneously switching on the power switch (1).
If the Control Station already has been switched on, switch to the programming menu by keeping
the button depressed for 5 seconds. To complete programming and return to the drive
mode, select the last menu in the scroll list: . Confirm with .
Use the selection dial to select the desired menu. Selections are shown against a dark background.
Use to confirm a selection and then select or change the value of the selected item. Confirm
the value/selection with .
RDA 400S
Menus:
1 Language. Select the desired language for alarm texts, etc.
2 Machine type. Select “RDA 400 S”.
3 Hydraulic feeding, Yes/No.
4 GPS, Yes/no. See ”3.30.6 GPS (Global Positioning System)” on page 66.
5 Number of pulses per revolution generated by the seed box drive sensor. Default setting:
360.
6 Serial number. Record the serial number of the machine here. Select digits with the dial
and advance using .
7 Machine width. Set the machine width here: 4.0 m.
8 Manual start. Select the intended drive speed here by keeping the button de-
pressed. (Starting of feed output when drilling is commenced from a corner of the field, etc.)
9 Output stop, Yes/No. Option Default setting: No. Only if Yes has been selected in
menu 9, Setting of lift time delay. Default setting 0.0 sec.
10 Radar, Yes/No.
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Instructions and settings
11 Number of radar pulses per meter of driven distance. Default setting 99/m.
12 Number of pulses per wheel rotation. Default setting: 1.
13 Drive wheel circumference Default setting 240 cm.
14
AUTO
. Automatic calibration. Measure a given distance (at least 100 m). Press
at the starting point. This will reset the pulse counter. Drive the selected distance with the machine lowered to the drilling position. The pulses are counted in the display. Enter the driven
distance in metres. The Control station now calculates the number of pulses per metre of driven
distance, and automatically adjusts this value for the wheel circumference in menu 14 or the
number of radar pulses per metre driven distance in menu 12. Select OK by pressing .
15 Alarm delay. Select the delay in seconds between receipt of the alarm signal from the
seed box rotation guard and the visual/audible alarm of the Control Station. The alarm should
be slightly delayed to avoid alarms at low speeds. Nevertheless, the delay should be as short as
possible to allow even sudden, brief interruptions. Default setting: 2.0 seconds.
16 Fan rpm, seed fan, upper alarm level. Default setting: 4800 rpm.
17 Fan rpm, seed fan, lower alarm level. Default setting: 3800 rpm.
18 Buzzer, On/Off
19 Pre-emergence bout marker, Yes/No
20 Side bout marker as pre-emergence bout marker, Yes/No. When "Yes" is selected, the
side bout marker will make a track in the centre of the previous furrow if this furrow was tramlined.
21 Interactive Depth Control (IDC), Yes/No. See ”3.31 Interactive Depth Control function,
IDC (option 15582-)” on page 67.
22 18m tramlining, NORMAL/TURBO.
23 BioDrill seed hopper, Yes/No
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RDA 400S
24 Wing locking, Yes/No. Only “No” is used for the RDA 400 S.
25 It is possible to enter user-specific information, e.g., a name. Use the dial to enter char-
acters and digits, and advance using .
26 Setting the display contrast. Use the dial to set the contrast between 0% (lighter) and
100% (darker). (This adjustment is only available on Control Stations with mftg. no. 428030
and program version 1.01 or later.)
27 OK. Press to complete programming and return to the drive mode.
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Instructions and settings
1
2
3.30.4 Loading new firmware
Firmware updates can be downloaded to the Control Station from a computer with an Internet connection. For this purpose, a special connection cable (order no. 428017) is required. This can be
ordered from Väderstad-verken AB.
Proceed as follows:
1 Log on to the Väderstad home page at http://www.vaderstad.com.
2 Click on "Downloads" to download the installation programme onto your computer.
3 Run the new software application while following the on-screen instructions. New files are cre-
ated and/or updated. Also, a short-cut to the installation programme "VaderstadControlStation" will be created on the PC desktop.
4 Double-click on the "VaderstadControlStation" icon and follow the on-screen instructions.
3.30.5 Mini-remote
Figure 3.70
Functional description
1 Filling the output system prior to calibrating the seed amount.
2 Seed output when calibrating.
Drills equipped with hydraulic feed output feature a remote control next to the fan. This is handy
for seed calibration. See ”3.26 Calibration” on page 48. Please note that the remote control can
only be used when the Control Station is set to the calibration position.
3.30.6 GPS (Global Positioning System)
The Väderstad Control Station can be connected to the "Fieldstar" and "Agrocom" GPS systems.
To draw on the benefits of a GPS system, the drill must be equipped with hydraulic feed output.
Please contact Väderstad-verken AB for more information on this subject.
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3.31 Interactive Depth Control function, IDC (option
1
2
3
4
5
15582-)
! In order to use the Interactive Depth Control function, the Control Station must be loaded with
firmware version 210004 or later.
If “Yes” is selected in the programming menu , see ”3.30.3 Programming” on page 63, the
menu is accessed via the “Low-lift/Drilling depth” menu. For detailed information, see below. The
low-lift switch is now replaced by an analogue sensor.
To gain access to the setting and calibration menus without having to restart the Control Station,
keep the button depressed while simultaneously depressing .
3.31.1 Low-lift/Drilling depth" setting menu
RDA 400S
Figure 3.71
NOTE!
If calibration must performed first, select “Calibrate” and depress . The calibration
menu is explained in ”3.31.2 Calibration menu” on page 68. New drills have already been calibrated upon delivery from the factory.
1 Set the desired low-lift scale value here. The height above ground is displayed as a negative
value. The basic setting is -10, which corresponds to a low-lift height of 10 cm above ground.
Also see ”3.15 Adjusting Low lift height” on page 39.
2 The current scale value of the lifting ram is displayed here.
3 Set the desired drilling depth scale value here. The drilling depth is displayed as a positive val-
ue. The drilling depth value should exceed the low-lift level. The drilling depth value is not an
exact depth in centimetres but rather serves as a reference.
4 Use this to set when seed output should stop when the drill is raised from the furrow. The value
set here corresponds to how much the drill is raised from the set drilling depth before seed output is switched off. The default setting is -4.0. This means that seed output from the drill is
switched off when the machine is raised 4 cm from the set drilling depth.
5 Select “Calibrate” here and then depress to gain access to the calibration menu. See
”3.31.2 Calibration menu” on page 68.
To return to the programming menu, select OK and depress or cancel by depressing
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Instructions and settings
6
7
8
9
10
11
13
12
.
3.31.2 Calibration menu
Figure 3.72
6 Use this to set the time duration for keeping the Interactive Depth Control function engaged
when the button on the Control Station has been depressed (3 to 60 seconds).
7 An ultrasonic transmitter has been installed on the lifting ram. It measures the so-called bit val-
ue to determine the exact position of the lifting ram. This shows the current bit value. The value
changes when the machine is raised/lowered.
8 Use this to throttle the raising/lowering of the drill when the C button has been engaged. This
results in slower operation when adjusting the drilling depth. 0% = no throttling; 40% = maximum throttling.
9 This displays the current bit value of the lifting ram.
! To enable the system to correctly detect the lifting ram position, it must be calibrated as ex-
plained below. To determine the scale value, an upper and a lower calibration position are first
recorded.
10 Use this to record the desired scale value when the machine is raised. Basic setting is per-
formed by raising the drill 20 centimetres above ground. The scale value -20.0 is then set. (It
is possible to set values between 0.0 and -99.5.)
11 This shows the current bit value when the machine has been lowered to the ground.
12 Use this to record the desired scale value when the machine is lowered. Basic setting is per-
formed by lowering the drill until it rests on the ground. The scale value 0.0 is then set. (It is
possible to set values between 0.0 and 99.5.)
13 To return to the "Low-lift/Drilling depth" menu, select OK and depress or depress
to cancel.
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3.31.3 Drilling depth setting using the Interactive Depth Control function
Figure 3.73 Figure 3.74
To engage the Interactive Depth Control function, depress the button.
RDA 400S
When this function is engaged, the indicator lamp in the button blinks, the alarm indicator
blinks and a buzzer sounds.
The position of the lifting ram can now be fine adjusted using the hydraulic levers on the tractor.
The ram operates at a reduced speed selected in the calibration menu. See ”3.31.2 Calibration
menu” on page 68.
The drilling depth scale value is displayed next to the symbol. See “Figure 3.73”. The scale
value is not an exact depth in centimetres but rather serves as a reference.
The function is kept engaged automatically for the time duration selected in the calibration menu
(3 - 60 seconds) or until the button is depressed once again.
When the Interactive Depth Control function is not engaged, the symbol is displayed together with the current scale value. See “Figure 3.74”. If the current value should exceed the set
value, the Control Station displays the warning message: “Seed depth”.
To gain access to the setting and calibration menu without having to restart the Control Station,
keep the button depressed while simultaneously depressing .
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Instructions and settings
A
B
3.31.4 Ultrasonic transmitter
Figure 3.75
The distance (A) between the ultrasonic transmitter and the plate at maximum raised position
should be max. 500 mm.
If work needs to be performed close to the ultrasonic transmitter and there is a risk that the ultra-
sonic ray may be interrupted, the Control Station must be blocked beforehand with the
(“STOP”) and buttons. Otherwise there is a risk that tramlining advances or that seed output
commences.
3.31.5 Master ram stop bolt
Figure 3.76
If desired, the drilling depth can be manually set. Change the position of the stop bolt (B) on the
master ram to the desired position.
When using the Control function, it is recommended to set the stop bolt to a “safe drilling depth”,
i.e. the maximum desired drilling depth.
If a problem should occur with the Control function, the manually set drilling depth can be used
to enable continued drilling.
3.31.6 Parking
When parking the machine, especially on soft ground, the stop bolt should be moved upwards on
the ram to relieve the hydraulic system of the load.
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3.32 Tramlining
3.32.1 Tramlining flaps
Figure 3.77 Figure 3.78
Tramlining is carried out by the spring loaded tramlining flaps (A) which are integrated into the
outlets of the seed distributor heads in the seed hopper. In the activated position (Position 1) the
flaps are raised into place to close the outlet while opening a trap to allow seed to return to the
hopper.
The flaps are controlled by a spring (B) on a motor driven disc (C) under the distributor head. The
electric motor has three connections to the Control box: An earth, an ON signal and an OFF signal.
Check the function of the tramlining system at the start of the season and at regular intervals
throughout the season, see ”4.2 Checking the seed feed” on page 85.
RDA 400S
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Instructions and settings
RDA 400 S/12 m
RDA 400 S/16 m
RDA 400 S/20 m
3.32.2 Tramline options
The RDA 400 S model is supplied with equipment for centre marking installed.
Table 3.3 Tramlining options
RDA 400 S centre marking 8, 12, 16, 20, 24 metre RDA 400 S side marking 16, 24 and 32 metre
The drill is supplied having two or three row shutoff. If one row shutoff is required, it can be
achieved by changing the flap springs for the outlets which are not required to tramline, see
”3.32.4 Adjusting row shutoff” on page 74. For control or alteration of the track width, see ”3.32.3
Adjusting track width” on page 74.
The various tramlining widths are set using the Control Station. The selected tramlining programme is shown at the lower left of the display, while the current furrow in the sequence is shown
at the lower right part.
Keep the button depressed until the tramlining programme digit is selected. Then use the
selection dial to set the desired tramline interval and confirm with . Advance to the desired
start value using . The lamps (6) light when tramlining is in progress.
Also see ”3.30.2 Functions” on page 59.
For successful tramlining, it is important to organise the tracks before starting the work.
Example: RDA 400 S to be set for 24 m tramlining. Select tramlining programme 6 (24/4=6). Ad-
vance the starting value to 3.
Figure 3.79 Centre marking
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RDA 400S
Table 3.4 The most common tramlining systems (centre marking)
Machine Tramlining
RDA 400 S
RDA 400 S
RDA 400 S
RDA 400 S
width
12 m 3 2
16 m 4 2 First bout half overlapped by the second bout.*
20 m 5 3
24 m 6 3 First bout half overlapped by the second bout.*
* The seed dosage can be reduced by 30% during the first two bouts. Do not forget to reset the
seed dosage before the third bout.
Table 3.5 Side-aligning tramlining system
Machine Tramlining
width
Tramlining
programme
Tramlining
programme
Start
value
Start
value
Remarks
Remarks
RDA 400 S
RDA 400 S
RDA 400 S
16 m 24 1 Start at left-hand edge of field.
24 m 25 1 Start at left-hand edge of field.
32 m 26 1 Start at left-hand edge of field.
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Instructions and settings
417766, 400 S
417795
3.32.3 Adjusting track width
Figure 3.80
The Rapid drill is usually supplied with the row shutoff and track width specified by the customer.
However, it is possible to change these if necessary:
! A different track width can be obtained by shifting the feed hoses to the seed coulters.
Example: A track width of 1.75 m can be increased to 2.0 m by moving the front left and rear
right one step outwards. A track width of 1.5 can be produced by moving the rear left and the fore
right one step inward (Y). For bigger changes in track width, it may be necessary to move the hoses inside the hopper instead.
3.32.4 Adjusting row shutoff
Figure 3.81
Tramlining can be done with 1, 2 or 3 row shutoff.
! The sowing row shutoff can be altered by exchanging the spring under the distributor head for
an operating spring (417772, 417776) or a parking spring (417795) depending on whether
more or less rows are to be shut off.
Table 3.6 Possible track widths
One row shutoff Two row shutoff Three row shut-off
C-C 138 cm C-C 150 cm C-C 163 cm C-C 175 cm C-C 163 cm
C-C 188 cm C-C 200 cm C-C 188 cm
C-C 213 cm C-C 225 cm C-C 213 cm
C-C 238 cm C-C 250 cm -
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3.33 Adjusting the pre-emergence bout marker
B
A
RDA 400S
Figure 3.82
The pre-emergence bout marker should be adjusted to the tramlining width. Move the tines (A)
laterally on the frame. The angle of the bout marker discs can be adjusted by turnings the shafts
(B) in their holders.
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Instructions and settings
1
2
3
4
A
120
140
3.34 Hydraulic brakes (accessories)
3.34.1 General
The RDA 400 can be fitted with hydraulic brakes. The system also has an emergency brake that
is applied if the machine becomes unhitched from the tractor. The emergency brake system consists of an accumulator, a valve and a wire that is connected to the tractor.
3.34.2 Connection and driving
Figure 3.83
1 Connect the hydraulic hose of the brake system to the brake coupling on the tractor. Please note
that the hose must only be connected to a brake coupling that is controlled by the tractor's brake
pedal and provides a maximum pressure of 150 bar. Attach the wire to a convenient point on
the tractor. Make sure the wire cannot get entangled.
2 Ensure that the emergency brake valve is set to position A.
3 Press down the brake pedal and keep it in this position until the pressure gauge on the ma-
chine's draw-bar shows 120 - 140 bar.
4 The machine is now ready for driving.
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3.34.3 Parking
B
Figure 3.84
Always park the drill on a stable and level surface. Secure the drill with the brake pads (B).
RDA 400S
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Instructions and settings
A
B
3.35 Maintenance of hydraulic brake system
3.35.1 Maintenance at the start of the season
Figure 3.85
1 Adjust the brake pads. Screw the adjustment screw (A) clockwise while rotating the wheels
slowly. Turn the adjustment screw until you feel resistance in the wheels as they rotate. This
means that the brake pads are in gentle contact with the brake drums.
When the adjustment screw is turned clockwise, the distance between the brake pads and the
brake drums decreases.
When the adjustment screw is turned counterclockwise, the distance between the brake pads
and the brake drums increases.
2 Check that all lines, hoses and brake cylinders are undamaged and that they are not leaking.
3.35.2 Replacing brake components
The brake system’s wheel cylinders, brake pads and brake drums are wearing parts.
NOTE!
The brake pads must not be replaced individually. All the brake pads must be replaced simultaneously. The same applies when replacing the wheel cylinders, which must also all be replaced at the same time.
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3.36 Pneumatic brakes (accessories)
A
The RDA 400 can be fitted with pneumatic brakes.
3.36.1 Use while driving
1 Connect the lines to the tractor’s couplings.
! The compressed air line has a red mounting and must be connected to the red coupling.
! The control line has a yellow mounting and must be connected to the yellow coupling.
RDA 400S
Figure 3.86
2 Adjust the compressed air valve’s tap (A) according to the machine’s load as below:
Driving with empty seed hopper:
The tap must be in the horizontal position.
An incorrectly set tap entails a risk of the seed drill’s wheels locking during braking. This can
cause you to lose control of the machine.
Driving with full seed hopper:
The tap must be in the vertical position.
An incorrectly set tap entails a risk of there being insufficient braking force.
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Instructions and settings
B
3.36.2 Activation of parking brake
Figure 3.87
In order to activate the parking brake, proceed as follows:
1 Connect the compressed air lines to the tractor’s couplings as described above.
2 Activate the tractor’s parking brake.
3 Close the needle valve (B) on the main ram. This closes the hydraulic circuit between the main
ram and the wheel cylinders.
! Open the needle valve (B) when you want to disengage the parking brake.
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3.36.3 Daily maintenance
C
D
Figure 3.88 Figure 3.89
1 Drain off the condensation water from the compressed air container. Open the discharge valve
(C) on the underside of the container.
2 Check the oil level in the container (D) on the main ram. The level should be between the Max
and Min markings on the container. Top up with mineral oil type GL-4 or equivalent if the level
is too low.
NOTE!
The mineral oil should be type GL-4 or equivalent. Other types of brake fluid will damage
the system’s seals.
RDA 400S
Other necessary maintenance is described in section ”3.37 Maintenance of pneumatic brake system” on page 82.
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Instructions and settings
A
B
3.37 Maintenance of pneumatic brake system
3.37.1 Maintenance at the start of the season
Figure 3.90
1 Adjust the brake pads. Screw the adjustment screw (A) clockwise while rotating the wheels
slowly. Turn the adjustment screw until you feel resistance in the wheels as they rotate. This
means that the brake pads are in gentle contact with the brake drums.
When the adjustment screw is turned clockwise, the distance between the brake pads and the
brake drums decreases.
When the adjustment screw is turned counterclockwise, the distance between the brake pads
and the brake drums increases.
2 Check the oil level. Top up with new oil if necessary. Only use mineral oil type GL-4 or equiv-
alent.
NOTE!
the system’s seals.
The mineral oil should be type GL-4 or equivalent. Other types of brake fluid will damage
3 Check that all lines, hoses and brake cylinders are undamaged and that they are not leaking.
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3.37.2 Bleeding the brake system
B
Figure 3.91
Following maintenance or other work on the hydraulic system, the brake system must be bled before use.
1 Top up the container with oil to the Max marking.
2 Connect a brake bleeding tool (max. 1 bar) to the main ram
or
connect the compressed air line and the control line to the tractor and apply the brakes
or
connect the compressed air line and the control line to an external compressed air source (max.
6 bar).
3 Bleed the system using the nipple (B), which is located adjacent to the brake line connections
at each wheel. Be careful! First bleed the wheel that is furthest away from the main ram (i.e.
the wheel furthest away on the right-hand side) and continue to bleed left wheel/right wheels
until all the air has been forced out of the lines. Connect the transparent hose to the nipple and
allow surplus oil to run into a suitable container. Close the nipple when no more air bubbles
can be seen in the hose.
NOTE!
If the oil is not topped up when the level is below the Min marking, there is a risk that air
can penetrate the system.
RDA 400S
3.37.3 Replacing brake components
The brake system’s main ram, wheel cylinders, brake pads and brake drums are wearing parts.
NOTE!
The brake pads must not be replaced individually. All the brake pads must be replaced simultaneously. The same applies when replacing the wheel cylinders, which must also all be replaced at the same time.
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4 Advice on seeding and driving instructions
4.1 Sowing depth
Figure 4.1
See ”3.9 Mechanical adjustment of sowing depth” on page 30, ”3.10 Hydraulic adjustment of
sowing depth (option 15582-)” on page 31 and ”3.11 Adjusting the wing sections” on page 34.
The most important task for the Rapid operator is to carefully and continually check the sowing
depth. The sowing depth is set using the depth stop on the lifting ram. The numbers on the scale
do not represent absolute values of sowing depth in centimetres. Rather, they should be seen as a
guide.
The Rapid seed drill can be used under a great variety of conditions, ranging from direct drilling
to sowing directly after ploughing. This is possible thanks to the design of features such as the
coulter system and the unique depth control system.
Sowing depth must adapted to suit the crop, the soil type and the soil conditions at the time of sowing. Shallow sowing depths require very good conditions for germination in terms of moisture and
fineness of tilth, especially on e.g. silty soils. Sowing too deep can give rise to weakened seedlings.
On fields with varying soil type, sowing depth should be checked and adjusted continually to ensure that the correct sowing depth is maintained throughout the field.
Sowing depth must be adjusted with the aim of placing the seed in moist soil, yet not too deep.
The correct preparation of the tilth prior to sowing is essential for producing the right conditions
for germination.
Sowing depth should be checked regularly during the day, for example after every 4 hectares or
once an hour. Check the sowing depth midway between the tractor tracks, within a tractor track,
and behind the left and the right wing sections. If the sowing depth of the wings is different from
that of the centre section, the settings of the wing sections must be adjusted with the relevant
crank. This includes the settings of the wing sections.
Check with equal regularity that the depth stop for setting sowing depth has remained in place. If
the depth stop has moved, it is normally not sufficient to try to tighten it. The depth stop should
only be tightened very lightly.
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4.2 Checking the seed feed
Figure 4.2
The seed feed should be checked at the same time as the sowing depth, i.e. after every 4 hectares
or once an hour.
In connection with output verification, check that the machine appear to be outputing the same
amount from each coulter.
RDA 400S
1 Raise the machine.
2 Start the fan.
3 Operate seed output for a short while by depressing the button on the Control Station.
4 Check whether seed is output.
Start from the tramlining position, when all boxes, except those shut for tramlining, are supposed
to output seed. Then advance the control for the tramlining function and check to see if these coulters now deliver seed.
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4.3 Sowing headlands
Figure 4.3
In dry and fine conditions, the headlands should be sown first. In wet conditions or on soils susceptible to compaction, higher yields can be obtained if the headlands are sown last.
The headlands can be marked out by finishing off the last tillage operation before sowing (e.g. autumn harrowing) by harrowing the headlands last. This ensures that the outermost headland bout
is at the correct distance from the edge of the field.
4.4 Engaging the drill
Figure 4.4
The drill must always be moving when lowered to ground. Keep the hydraulic lever in the pressurised piston, i.e., lowering position, until the bout marker has been completely folded out. Using
the Control Station, verify that tramlining has been advanced and that the correct lamp goes out
and the correct one lights and that the alternate during subsequent raising.
When driving, usually low-lift and auto advancing should have been selected.
If a seed coulter becomes blocked, do not go under machine unless it has been properly secured
with the yellow locking devices. See ”3.16 Locking the lifting rams during service” on page 39.
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4.5 Intermediate packer
Figure 4.5 Figure 4.6
The intermediate packer should be in the lowered position when pulled in the furrow as well as on
the headland.
Always lift the intermediate packer when reversing the seed drill. If the packer is not lifted, the
wheel undercarriage and the wheels themselves could be damaged.
RDA 400S
Figure 4.7 Figure 4.8
When transporting the seed drill by road, the intermediate packer must always be raised. This
will avoid unnecessary tyre wear.
The intermediate packer scrapers must be adjusted in accordance with ”3.18 Scraper” on page 42.
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4.6 Tramlining
The preparation of tramlines and setting of the Control Station are described in ”3.30.2 Functions” on page 59 and ”3.32.2 Tramline options” on page 72.
During sowing, the most important thing to remember about tramlining is to shut off Autostep
before doing anything other than normal sowing or turning in headlands between bouts.
So, remember to switch Autostep off before raising the drill to pass an obstruction.
When it is time to refill the seed hopper or take a break, the drill should be raised from the last
furrow, then wait for approx. 10 seconds. Switch off auto advancing. There is no need to switch
off auto advancing in case no additional lifting is required during the pause. When continuing
drilling, switch on auto advancing before the drill is raised the first time.
4.7 Bout markers
Setting of the bout markers using the Control Station is explained in ”3.30.2 Functions” on page
59. See also ”4.8 Obstructions” on page 88 and ”4.9 Turning with Low lift” on page 88.
Once a reliable setting for the bout markers has been found, it is a good idea to mark this position
using e.g. a centre punch. Check occasionally that the marker tines are securely tightened.
The final tillage operation before sowing should preferably not be done in exactly the same direction as that intended for sowing, but at a slight angle to it.
4.8 Obstructions
Switch off Autostep before the drill is raised to sow around a post, well or other obstacle.
NOTE!
raised, which stops the seed feed. This can occur even with very slight raising of the drill.
The bout marker can be folded in order to bypass an obstruction by engaging the lift stop and moving the hydraulic lever to the lift position. This will fold in the bout marker while keeping the drill
in the working position. Then fold out the bout marker again. In this case, it is not necessary use
the functions selectors for auto advancing nor the bout markers.
When the drill is raised to clear an obstruction during a bout, the drive wheel will also be
4.9 Turning with Low lift
When the drill is lifted out of work at the headland, the drive wheel is raised and the bout marker
is retracted. If Low lift is activated, the drill will be raised to Low lift height.
When turning the drill on the headland, the bout markers and tramlining are automatically advance
one step. If the drill does not lift, the lift stop has most likely been engaged, and if the bout markers
and tramlining do not advance, then auto advancing has most likely been switched off.
When turning in Low lift, the following harrow remains in work during the entire turn.
NOTE!
lift position.
Before reversing the machine, Low lift must be switched off and the drill raised to the full
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5 Maintenance and service
Figure 5.1 Figure 5.2 Figure 5.3
NOTE!
During all work under the drill or where there is a danger of crushing, the drill must be
completely and securely supported. Secure the drill on trestles or stands and lock all lifting
rams with their yellow locking devices. See ”3.16 Locking the lifting rams during service” on
page 39.
Ensure also that the surface supporting the trestles is firm enough to support them. If the hopper
is full, which it ought not to be, the weight of the drill is considerable. See ”7.4 Technical data”
on page 135.
“Figure 5.4” shows the recommended placement of the trestles.
NOTE!
The hydraulic system must always be bled following service of the system. Make sure
there is nobody in the immediate work area of the machine. Operate the lifting ram, the bout marker rams and the pre-implement rams to their end and inner stops a couple of times until all air has
been evacuated from the hydraulic systems.
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RDA 400S
Figure 5.4
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Maintenance and service
5.1 General maintenance
Figure 5.5
A machine is only as good as the service it receives!
Before starting work, check that all nuts and screws are tightened. During the season, check the
tightness of nuts and screws regularly, as well as the wear on linkages and the hydraulic ram
mountings.
NOTE!
restricted.
NOTE!
with hydraulic feed output, the hydraulic flow to the fan and feed output driving mechanism must
always be shut off beforehand.
The hydraulic system does not normally require any maintenance, but check that the hoses and
couplings are undamaged.
NOTE!
paper or a clean rag. Lay the parts on a clean surface (not directly on the work bench). Rinse off
parts with e.g. a degreasing compound before fitting them.
Always grease the piston rods after cleaning them or if the drill is not going to be used for a long
time.
Grease galvanized and chromium plated surfaces before long periods of storage.
The screws holding links should not be tightened so much that movement in the linkage is
When cleaning the drilling system or when servicing the transmission system on machines
Dirt must be kept out of the hydraulic system during any service work. Wipe with clean
To maintain the quality of this seed drill, always use Väderstad original spare
parts.
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5.2 Inspecting the drill's towing eyelet
A
B
C D
Max +2.5 mm
E
RDA 400S
Figure 5.6
5.2.1 Alternative drawbar eyes
A
50 mm drawbar eye diameter (standard).
B
40 mm drawbar eye diameter (standard).
C
Ball hitch, 80 mm diameter.
D
Swivel drawbar eye, 57 mm diameter.
5.2.2 Re-tightening of screw connections
The screw connections (E) of the drawbar eye must be re-tightened at regular intervals. Tightening
torque 277 Nm.
5.2.3 Wear limit
When the diameter of the drawbar eye has increased by 2.5 mm, the wear limit has been reached
and it is time to change the eye.
When fitting a new eye, new screws must also be used. The screws (E) must then be tightened to
a torque of 277 Nm. Use a torque wrench.
NOTE!
Never weld a drawbar eye, as this can considerably reduce its strength!
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A
B
5.3 Seed feed housing and rape brush
Figure 5.7 Figure 5.8
The inside of the seed feed housing must be cleaned out regularly and frequent checks must be
made for signs of wear on plastic and rubber components. It is specially important to ensure that
seed additive deposits do not build up in the scoops, reducing their volume.
The casing with the scale can be drained from below and can be rinsed through once the feed housing has been turned down nearly to zero.
Clean inside the transparent transmission cover when necessary.
Check that the blades of the cellwheel do not jam but that they bear against the bottom of the
groove during setting from zero and upwards.
Check the wiring.
Rape brush
Before setting the drill for rapeseed, always check the rape brush and clean it if necessary. Check
that the brush spin easily on it's axle. The rape brush must never be greased.
5.4 Locking device
Figure 5.9
Do not lubricate the locking device. Regularly inspect the device for correct operation. The locking hooks (A) on the rear of the seed hopper should connect with the lugs (B) on the side sections.
Grease the locking device regularly. Use grease on the angled surface of the locking bar and
around where the bar is in contact with the hopper.
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5.5 Cleaning
A
Figure 5.10 Figure 5.11 Figure 5.12
At regular intervals and at the end of the season, check that there is no seed or packaging debris
stuck in the seed hoses or in the seed outlets on the distributor head. At the same time, check the
function of the tramlining flaps.
RDA 400S
Figure 5.13
The turn plate made of plastic (A), which controls the doors, must be cleaned regularly.
Clean the hopper, the rape brush, the feed housing and other components at the end of the season.
Check also that no seed has fallen into the ejector tube and the connecting air hose.
Remember that any seed left within the drill can germinate and clog air and seed hoses. Seed can
also attract small rodents which can damage the drill.
Clean the glass plate at the start of every season.
Run the fan for a while to blow-dry the whole system.
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Maintenance and service
5.6 Storing the drill
Figure 5.14
The drill should be stored indoors when not in use. This is particularly important because the drill
contains electronic equipment. The electronic components are of very high quality and can withstand a lot of moisture but we still recommend that the drill be stored indoors. The Control Box
should be stored at room temperature during the winter and between seasons.
Highly finished metal parts of the drill, e.g. the piston rods and wearing surfaces, should be
greased before winter storage.
Ensure that the drill is thoroughly cleaned. Let the emptying hatch remain open and remove the
air hose from the ejector tube to allow air to circulate.
Before the drill is unfolded in freezing temperatures, it must be allowed to stand for a while in a
warm building for the seed hoses to become flexible again.
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Maintenance and service
A
B
C
E
F
G
I
J
L
D
H
K
M
N
P
O
Q
5.7 Lubrication points
Figure 5.15
Lubricate at the intervals shown in the following table, and always after high pressure washing,
and also at the end of the season.
Pay attention to safety! Don’t crawl under the machine. Lubricate from above or support the machine securely on trestles. Refer to the safety precautions at the beginning of this manual.
Table 5.1 Lubrication points
Lubrication points Interval, ha Number
A Intermediate packer 150 4
B Wing packers 150
C Bout markers 150 6
D Hinges, wing sections 150 4
E Wheel beam joints 150 13
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F Master ram’s ram head 150 1
G Wheel forks 150 16
H Parallel linkage 150 6
I Intermediate packer wheel hubs 800 4
J Wing packer’s wheel hubs 800
K Disc bearings, System Disc 800 30
L Disc bearings, seed coulters 800 32
M Wheel hubs 800 16
N Following harrow 800 4
O Transmission chain 800
P Oil filter replacement 800
Q Wheel retraction mechanism, only machines with the
800 2
hydraulic depth adjustment option
ver. 2
RDA 400S
Figure 5.16
Apply grease to the disc bearings and wheel bearings until it starts to extrude, and apply 2 or 3
pump strokes of grease to the other lubrication points. When greasing discs, be sure to rotate them.
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Maintenance and service
A
B
5.8 Service cover
Figure 5.17
At the bottom of the seed hopper there is a cover that provides access for lubrication and service
of the parallel linkage mechanism.
Loosen the screws (A). The cover (C) can then be removed by pushing up and lifting it out.
When reinstalling the cover, make sure it has full contact with the seed hopper to ensure correct
sealing.
5.9 Changing discs
Make sure that the drill is securely supported on trestles.
When changing discs, use a ratchet spanner or preferably a nut runner. Turn the disc so that the
completely flat side faces the seed coulter.
NOTE!
Adjust the coulter if necessary, see ”3.17 Adjusting the seed coulters” on page 40.
The discs have sharp edges, so wear gloves!
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