Operation manual SP 9 - Compact
CHAPTER XII -
POSSIBLE SOLUTIONS OF EMERGING PROBLEMS
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12.5. There are holes in the first furrow
Possible causes
Possible solutions
At the first breast there is not enough soil quantity
for earthling the furrow properly. The furrow width
(deport) is not sufficient.
Widen the first furrow (deport) position to plough out
more earth with the help of the first plough bottom. See
chapter 9: «Adjusting on the field – second course».
At the first breast there is not enough soil quantity
for earthling the furrow properly. The first plough
bottom depth is small.
Put down the lifting device of the tractor for bigger soil
quantity.
Take care that the plough is horizontal in the direction
from front to back.
Check the coulter (blade) if it is too worn out.
See chapter 9: «Adjusting on the field – second
course».
The depth of the first furrow exceeds the capacity of
the breast on hard soil or slopes.
Use attachments for breasts.
Or reduce the working width.
See chapter 9: «Adjusting on the field».
The adjusting cylinder for the first furrow is maximum
pulled out.
Reduce the distance between tractor tyres.
See chapter 4: «The tractor preparation for pulling».
12.6. The first furrow extremely gathers the earth:
There is too big earth quantity at the first breast.
There are humps in the furrow.
The furrow width is too big (deport).
To reduce the width (deport) let the cylinder out, this
way the earth quantity at the front plough bottom
decreases. See chapter 9: «Adjusting on the field –
second course».
There is too big earth quantity at the first breast.
There are humps in the furrow.
The plough depth at the front plough bottom is too
big.
Raise the tractor lifting device to take out less earth
quantity. Take care that the plough is horizontal in the
direction from front to back.
See chapter 9: «Adjusting on the field – second
course».
The adjusting cylinder of the first furrow is totally
closed.
Increase the span between tractor tyres
See chapter 4: «The tractor preparation for pulling».
12.7. The tractor is slipping:
The rotation speed is different at the front and rear
plough line, as well as at the both sides of the
tractor.
Check if the front axle of the tractor and its balance
gear are connected.
The tractor is not heavy enough.
Load the tractor (wheel balances at front and back,
blow them with water or talc).
See chapter 4: «The tractor preparation for pulling».
The pressure of tyres is not sufficient.
Check the pressure values in the table of the tyre
manufacture.
Plough bottoms have not been cleaned sufficiently
they are rusty.
The soil is adhered to the breasts.
Clear away the paint, scrap the rust and soil (earth)
from the breasts.
See chapter 7: «Preparations of the plough before
ploughing».
See chapter 10: «Lubricating and maintenance».
The tractor tyres are too wide.
In the case of ploughing under hard conditions, use
wheels with bigger Ø instead of wide tyres.
The load transmission of the front part of the tractor
is not sufficient.
See the GB standard of «hydraulic compensation
cylinder» as optional possibility to get 30% reduction of
slipping.
See chapter 9: «Adjusting on the field - second
course».
The plough penetration angel is too big.
Reduce the penetration angle at every plough.
See chapter 9: «Adjusting on the field – second
course».
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