USE AND MAINTENANCE
ENGLISH
cod. G19502563
74
Irregular seed drilling
(inaccurate distance
between seeds).
1)
Wear of furrow-opening coulter.
2)
Over-tensioned tensioning spring of V seed-
covering wheels.
3)
Unsuitable rear seed-covering wheels.
4)
Deformed or worn seed disc (over 1/3 of its
original thickness).
5)
Deformed or missing seed disc pins.
6)
Worn or broken seed disc gasket.
7)
Badly adjusted moving selector. WARNING! The
selector does not regulate the amount of air
coming into the seed distributor.
8)
Flat tyres: gear ratio is altered.
9)
Forward speed is too fast.
10) Incorrect WHEEL-GEARBOX AXLE ratio and/or
gearbox adjustment.
11) Drop in seed aspirator revs.
12) Wear of distributor drive shaft joints.
13) Use of small seeds or seeds with electrostatic
charge (rape, beet).
14) The seed drill is not perpendicular to the ground
and is pointing forwards.
15) The furrow opener discs fill up with earth
because they are sloping backwards.
16) The furrow opener discs are not turning.
1)
Replace
2)
Slacken
3)
Replace
4)
Replace the seed disc. We advise replacing the
gasket when replacing the seed disc.
5)
Replace the seed disc.
6)
Replace the gasket.
7)
Adjust the selector:
Small seeds (small numbers of selector).
Large seeds (large numbers of selector).
8)
Pump up according to technical data table.
9)
Reduce the drilling speed.
10) Consult the WHEEL-GEARBOX table and change
the ratios as necessary.
11) Check:
a) belt tension
b) tractor's power take-off revs
c ) breakage of air tubes to the seeding
elements.
12) Replace
13) Use the ejector for coated seeds.
14) Lengthen third point linkage.
15) Shorten the third point. Remember to lower the
machine with the tractor moving and never move
it in reverse with the seed drill lowered.
16) Replace the bearing of the furrow opener disc.
Ground too muddy and not suitable for the seed
drill.
Seeds spill over from the
distributor.
Anti-spill-over plate too open.
Anti-spill-over plate too closed.
Close or replace with G22270133.
Few seeds reach the
distributor.
Open
Seed disc does not rotate
or does not work correctly.
1)
Seed distributor bevel gear is stuck.
2)
Seed distributor bevel gear is worn or broken.
3)
Disc feed hub has oxidized.
4)
Seeds dressed with sticky products that increase
the friction between disc and gasket.
5)
Broken plastic safety bolt.
6)
Moving selector is too closed.
7)
Use of fixed selector with large seeds (beans,
chickpeas, etc).
8)
Fixed selector is bent and knocks against the disc.
9)
Worn or broken transfer case.
10) Distributor transmission universal joint not hooked
up.
1)
Free it with anti-seize products.
2)
Replace (replace bushings and gear axle).
3)
Free it with anti-seize products.
4)
Clean disc and gasket often. If possible, use
other dressed products.
5)
Replace
6)
Open
7)
Remove the fixed selector.
8)
Replace
9)
Replace
10) Hook up
The seeds fall off the seed
disc.
1)
Insufficient suction
a) Slack belt
b) Broken belt
c ) Holes in air tubes
d) Blocked air tubes
2) Rev speed not constant or not sufficient.
3) Seed disc holes of insufficient diameter.
1)
a. Tension the belt
b. Replace
c. Replace
d. Cleaning (check the suction in the tube with
your palm at the seed distributor end).
2) Use the tractor's hand accelerator.
3) Replace the seed discs.
PROBLEMS
CAUSES
SOLUTIONS
Seeds on surface.
1)
Wrong seeding depth setting.
2)
Obstructed seed delivery tube.
3)
Insufficient pressure of the rear seed-covering
wheels.
4)
Rear seed-covering wheels not suitable for the
ground.
5)
Use of stainless steel seed-covering wheel on
damp soil.
6)
Ground not suitably prepared.
7)
Bent planting unit frame (example: caused by
knocks from stones on the ground).
8)
Seed drilling on steeply sloping ground.
1)
Correct the depth setting.
2)
Cleaning
3)
Increase the pressure of the rear wheels on
the ground.
4)
Replace
5)
Disable the stainless steel seed-covering wheel.
6)
Prepare the ground carefully.
7)
Restore the planting unit frame.
8)
Regular seed drilling is not guaranteed for slopes
greater than 20%.
5.1 PROBLEMS, CAUSES AND SOLUTIONS
