Fault
Possible cause
Measure
Higher application rate on one
side of the spreader than the
other.
u
Check the setting of the
metering slides.
u
Check the functionality of
the agitator.
u
Checking the outlet.
Irregular fertilizer feed to
spreading disc
Outlet blocked
u
Clear clogging.
Defective agitator
u
Checking the agitator
u
Replace
agitator
if
necessary.
The spreading discs are
fluttering.
u
Check cap nuts for tight fit
and check threads.
Fertilizer trickles out of the
hopper when the metering slide
is closed.
•
Distance between agitator
and hopper base is too
great.
u
Check distance between
agitator and hopper base.
u
If the distance is greater
than 2 mm, consult chapter
.
The metering slide does not
open.
The metering slide is sluggish.
u
Check the slide, the lever
and the joints for smooth
movement and improve if
necessary.
u
Check tension spring.
The reducing plate at the hose
connection of the plug-in
connector is contaminated.
u
Clean the reducing plate at
the hose connection of the
plug-in connector.
The metering slide opens too
slowly.
The metering slide is sluggish.
u
Clean orifice plate.
u
Replace 0.7 mm orifice plate
with a 1.0 mm plate.
w
The plate is at the hose
connection of the plug-
in connector.
10. Faults and possible causes
MDS 8.2/14.2/18.2/20.2
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