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Original instructions
HN012BGBAOPERATOR'S MANUAL
Minimum cultivation
seed drills
HN012BGBA- English - 02-2011
S D
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Precautions when driving on public roads
Dimensions
Depending on the dimensions of the machine, contact
the relevant authorities to ensure that it can be legally
transported on public roads.
If the machine is over the maximum legal size, follow the
local regulations for special transportation of oversize
equipment.
Transport position
Before transporting the machine on public roads, place
the machine into its transport position, according to the
instructions in this manual.
Lights and indicators
Before transporting the machine on public roads, ensure
that all legally required lightings and signallings are in
place.
Ensure that lightings and signallings are clean and in
good working order. Replace any missing or broken
equipment.
Gross weight and weight per axle
Always obey current regulations for driving
on roads.
The drawings are not legally binding, their only aim is to illustrate the method to use.
Prior to driving on public roads, check that criteria are met to be in conformity with the countrie's
regulations:
- When coupling a tool to the front and rear 3-point lift linkage, the maximum authorizedpayload must not be exceeded.
- When coupling tools to the front and rear 3-point lift linkages, the maximum load on each
axle's tires must not be exceeded.
- The load on the tractor front axle must always represent 20 % of the tractor unladen weight.
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Description of symbols
Stage 1:
To measure:
- Tractor tare (T).
For machines with hoppers or tanks:
- If the total unit weight exceeds the tractor Gross Combined Weight Rating in accordance
with the countrie's legislation, empty the hopper to travel on public roads.
- In any case, we recommend to travel on public roads with empty hoppers and tanks.
Description Units Description
T kg Tractor unladen weight
PTAC kg Gross Combined Weight Rating
T1 kg Unladen load on tractor front axle
T2 kg Empty load on tractor rear axle
t kg Axle loads (Tractor + machine)
t1 kg Load on front axle (Tractor + machine)
t2 kg Load on rear axle (Tractor + machine)
t1 max kg Maximum load authorized on the tractor front axle according to the tires
t2 max kg Maximum load authorized on the tractor rear axle according to the tires
M1 kg Total weight of front tool or front ballast
T=_______kg _______kg
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Stage 2:
- Couple the machine to the tractor.
To measure:- Load on front axle (t1):
Tractor + machine (transport position).
To do:
- If the front axle load (t1) is below 20% of the tractor
tare (T), add ballast weights (M1) to exceed the
minimum load on the front axle.
Example:
(T) = 7500 kg (16535 lb)
• The front axle load must be of minimum 1500 kg
(3300 lb).(20% of T)
• (t1) = 700 kg (1545 lb).• 700 kg (1545 lb) < 1500 kg (3300 lb).
• Add ballast weights until the minimum front axle
load is exceeded.
• Repeat checking procedure.
Stage 3:
To measure:
- Total weight (t):
• Tractor + machine (transport position).
• Ballast weights.
Checking:
- To go to the next stage:
• Check in the tractor's operator's manual that the
value measured is below the tractor's Gross
Combined Weight Rating.
To do:
- If t < PTAC go to the next stage.
- If the total unit weight exceeds the tractor Gross
Combined Weight Rating in accordance with the
countrie's legislation, empty the hopper to travel onpublic roads.
Ex ample:
• (t) = 10000 kg (24250 lb)
• PTAC = 13000 kg .
• t < PTAC : Go to the next stage.
t1=_______kg1=_______kg
t1 < 20% T1<2 T
t11
20% T T
t=_______kg kg
M1
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Stage 4:
To measure:
- Load on rear axle (t2): Tractor + machine (transport position).
• Ballast weights.
Checking:
- Check in the tractor's operator's manual that the value
measured is below the maximum allowed tractor rear
axle load.
- Check that tyre and rim specifiations are in conformity
with the requirements of the tractor manufacturer.
Example: Load on rear axle (t2) = 8500 kg (18740 lb)
• Check in the tractor's operator's manual that the
value measured is below the maximum allowed
tractor rear axle load.
• Check that tyre and rim specifiations are in
conformity with the requirements of the tractor
manufacturer.
M1
t2=_______kg _______kg
t2 > t2 max t max
t2 t2 max max
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1
3
2
3
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21 51 61 81 02 12 42 72 82 03 23 33 63 04
6YS
6SA
8YS
8SA
21YS
21SA
4YS
4SA 5 26
6YS
6SA 7
8YS
8SA 9
01YS
01SA 11
21YS
21SA
6YS6SA
8YS8SA
3 4YS
4SA 25 5
6YS
6SA 7
8YS
8SA 9
01YS
01SA
85 45 4YS
4SA 06 26
6YS
6SA
8YS
8SA
3 4YS
4SA
6YS
6SA
8YS
8SA
2YS
2SA 05 85 3 45 65
4YS
4SA 25 06 5 26
6YS
6SA
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HECR_004
HECR_006
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HECR_005
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HECR_008
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$Appendix
1. Calculating the load on an axle
Define the total weight, axle loads, tyrecapacity and minimum additional mass:
The following values are required for thecalculation:
When coupling a tool to the front and rear 3-point lift linkage, the maximum authorized payload must
not be exceeded.
The load on the tractor front axle must always represent 20 % of the tractor unladen weight.
Prior to use, check that these conditions are satisfied by making this calculation or by weighing thetractor-machine unit
M 1
a b c d
T 1T 2
M 2
Description Units DescriptionObtaine
d by
T kg Tractor unladen weight
T1 kg Unladen load on tractor front axle
T2 kg Empty load on tractor rear axle
t kg Axle loads (Tractor + machine)
t1 kg Load on front axle (Tractor + machine)
t2 kg Load on rear axle (Tractor + machine)
M1 kg Total weight of front tool or front ballast
M2 kg Total weight of rear tool or rear ballast
a mDistance between the tools' centre of gravity or the front ballast and
the front axle centre
b m Distance between the tractor axles
c mDistance between the rear axle center and the center of the lower link
ball joints
d mDistance between the centre of the lower link ball joints and the centre
of gravity of the rear tool or rear ballast
1 4
1 4
1 4
4
4
4
42
42
32
31
31
2
ot r ef eR l au nam' sr ot ar e por ot c ar t eht ot r ef eR the machine price-list or operators' manual
el ac snoer u saeM snoi snemi D
1 2
3 4
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Rear tool or front-rear combination:
Front tool:
1) Calculation of the minimum front ballast weight M1minimum
Write the minimal additional weight in the chart.
M1 minimum =M2 x (c+d) - T1 x b + 0.2 x T x b
a+b
2) Calculation of the minimum rear ballast weight M2 minimum
Write the minimal additional weight in the chart.
M2 minimum =M1 x a - T2 x b + 0.45 x T x b
b+c+d
3) Calculation of the actual load on the front axle T1 real
If the front tool (M1) is lighter than the minimum load required at the front (minimum), increase tool weight until the required minimum
front load is reached
Indicate front axle calculated load value and the one indicated in the tractor operators' manual.
T1 real =M1 x (a+b) + T1 x b - M2 x (c+d)
b
4) Calculation of the total weight M real
If the rear tool (M2) is lighter than the minimum load required at the rear(minimum), increase tool weight until the required minimum
rear load is reached
Indicate calculated total load value and the one authorized as indicated in the tractor operator's manual.
M real = M1 + T + M2
5) Calculation of the actual rear axle load T2 real
Indicate rear axle calculated load value and the one indicated in the tractor operator's manual.
T2 real = M real - T1 real
6) Tyre carrying capacity
Indicate double (2 tyres) the authorized load value (see tyre manufacturer indications).
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Table:
Actual value obtained
by calculation
Value authorized
according to
operator's manual
Double value of the
authorized capacity
per tyre (2 tyres)
Minimum front/rear
ballastingkg
Total weight kg ≤ kg
Load on front axle kg ≤ kg ≤ kg
Load on rear axle kg ≤ kg ≤ kg
The minimum ballasting must be made by fitting a tool or an additional mass to the
tractor.
The values obtained must be below or equal the authorized values.
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Determining the machine weight (M2) and
the position of its centre of gravity (d)
Tractor only:
- T1: Load on front axle.
Tractor only.
- T2: Load on rear axle.
• Tractor only.
If the data required to calculate the total
weight, axle loads and minimum ballasting
are not supplied, use the following method.
T1 T2
T1=_______kg =_______kg
T2=_______kg =_______kg
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- T: Axle loads.
• Tractor only.
T=_______kg _______kg
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Rear tool or front-rear combination:
- Measure dimension (b).
- Measure dimension (c).
- t1: Load on front axle.
Tractor + machine.• Hopper empty.
- t: Axle loads.
• Tractor + machine.
• Hopper empty.
Calculating the rear tool weight (M2):
M2 = T - t
Calculating the distance (d):
d = (( b x ( T1 - t1) ) / M2 ) - c
If the total unit weight exceeds the tractor Gross Combined Weight Rating in accordance with the
countrie's legislation, empty the hopper to travel on public roads.
In any case, we recommend to travel on public roads with empty hoppers and tanks.
b c d
t1 t2 M2
t1=_______kg _______kg
t=_______kg kg
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$Specimen of the "Declaration of conformity"
S p e
c i m
e n v a l i d
a s f r o m
2 9 / 1 2 / 2 0 0 9
EC Declaration of conformity
(European directive 2006/42/CE)
The manufacturer:
KUHN-HUARD S.A. B.P. 49 F - 44142 CHATEAUBRIANT CEDEX (FRANCE)
declares that the product described hereafter:
Type: ’’Machine name’’
Serial no.: ’’Machine serial number ’’
- conforms to the requirements of the European directive 2006/42/CE
- conforms to the requirements of following European harmonized standards:
EN 1553 - NF U 02-007 - EN 703 - EN 708 - EN 745+A1 - EN 907
EN 14017 - EN 14018 - EN ISO 4254-6
- conforms to the requirements of following standards or technical specifications:
Name and address of the person authorised to compile the technical file:
Made in Châteaubriant,on 00/00/0000
In the event of the machine being re-sold, this declaration of
conformity is to be passed on to the new owner
---8 9r ebmu nr ed r or oed oc r emot su C
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