14
11.0 TROUBLE SHOOTING (PROBLEM ANALYSIS)
Problem
Possible cause
Solution
Knife rotor does not rotate.
-
Machine is adjusted
too deep.
-
V-belts are slipping.
-
Adjust the machine to less
depth.
-
Adjust the V-belts.
Squeaking noises during the
machine’s operation
-
Bearings are worn out
-
Replace the faulty
bearings.
Removed too little material.
-
Working depth is
adjusted too shallow
-
Driving speed is too
high.
-
Knives are worn out.
-
V-belts are slipping.
-
Adjust the machine to
more depth.
-
Lower the driving speed.
-
Replace the knives.
-
Adjust the V-belts.
Replace the V-belts.
Sloppy image of the field after
processing
-
Machine is adjusted
too deep.
-
Subsoil is too wet.
-
Knives are twisted.
-
Spacers between the
knives are damaged.
-
Did not drive in a
straight line.
-
Adjust the machine to less
depth.
-
Postpone treatment until
conditions improve.
-
Replace the knives.
-
Replace the spacers.
-
Drive in a straight line
during treatment.
Damage to the grass
-
Bad quality grass
-
Blunt knives
-
Decrease the working
depth.
Decrease the working speed.
Use different knives.
-
Replace the knives.
12.0 MAINTENANCE
Time schedule
Check/Grease point
Method
Before
every
use
-
Check for loose
bolts/nuts.
-
Presence and readability
of the safety stickers
(Please refer to Figure 5)
-
Tighten loose bolts/nuts
with the correct
tightening moment.
-
Replace these if not
present or damaged.
After
every
use
-
Clean the machine.
-
Watch out for the
bearings if a high-
pressure sprayer is
used.
After the
first
20 working
hours
(new or repaired)
-
Check the roller
bearings and the
driveline.
-
Check for loose
bolts/nuts.
-
Check the tension of the
V-belts.
-
If required, replace the
parts.
-
Tighten loose
bolts/nuts.
-
Adjust the tension of the
V-belts or – if required –
replace the V-belts.