Gaspardo SP SPRINT, Использование и обслуживание

Страница: 78 / 82

USE AND MAINTENANCE
ENGLISH

78 - EN
cod. G19501383
6.2 PROBLEMS, CAUSES AND SOLUTIONS
PROBLEMS CAUSES SOLUTIONS
Irregular seed drilling
( i n a c c u r a t e d i s t a n c e
between seeds). 1) Wear of furrow-opening coulter.
2) Excessively tense seed compression spring.
3) Unsuitable rear seed-covering wheels.
4) Deformed or worn seed disc (over 1/3 of its origi-
nal 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 fi ll up with earth because
they are sloping backwards.
16) The furrow opener discs are not turning.
17) Bush clearance.
1) Replace
2) Loosen
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 chan-
ge 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.
17) Replace.
Seeds spill over from the
distributor. Anti-spill-over plate too open. Close or replace with G22270133.
Few seeds reach the di-
stributor. Anti-spill-over plate too closed. Open
Seed disc does not rotate
or does not work correct-
ly. 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 fi xed 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 fi xed selector.
8) Replace
9) Replace
10) Hook up
The seeds fall off the seed
disc. 1) Insuffi cient suction
a)
Slack belt
b) Broken belt
c) Holes in air tubes
d) Blocked air tubes
2) Rev speed not constant or not suffi cient.
3) Seed disc holes of insuffi cient 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.
The seed furrow remains
open and the seeds un-
covered. 1) Rear compression wheels not in line with furrow
opened by shoe; equalizer inclined with respect to
gear direction.
2) Rear seed-covering wheels not suitable for the
ground.
1) Centre equalizer by adjusting front fork posi-
tion.
2) Replace.
Irregular seed drilling
depth. Clod clearer set too low. Raise the clod clearer: it must be set as shown in
the instruction booklet.