KUHN ALTERNA 500R, Assembly & Operators Manual

Page: 40 / 52

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REMEDY
Bring PTO speed (rotational
frequency) up to 1000 rpm (min
-1 )
and set it with the hand throttle
Check that the arrow marked
on the knife corresponds with the
disc’s direction of rotation
Replace knives
Reduce forward speed
Adjust down pressure of
cutting/conditioning unit
Review skid adjustment
Reduce cutting/conditioning unit
down pressure
Correct position of conditioning
combs or reverse them if necessary
Adjust rollers so that they are
parallel by means of the side stops
Bring PTO speed (rotational
frequency) up to 1000 rpm (min
-1 )
and set it with the hand throttle
Retension or replace belts
Check that the tensioning pulley
is correctly aligned in respect to
the drive and driven pulleys
.../...
POSSIBLE CAUSE
Insufficient PTO speed
(rotational frequency)
Knives fitted incorrectly
Damaged or broken knives
Excessive forward speed
Flotation of cutterbar/
conditioning unit poorly adjusted
Skids incorrectly adjusted
Working in very wet conditions
Excessive ground pressure
Conditioning combs
incorrectly positioned
Conditioning rollers are
no longer parallel
Insufficient PTO speed
(rotational frequency)
PROBLEM
Poor cutting quality
Stubble too high
Soil accumulates in front
of the cutterbar
Damaged leaves and
crushed stems
Rotor clogging
TROUBLE SHOOTING GUIDE
Most operating problems that can occur with the
machine are due to incorrect adjustments or poor
maintenance. The following chart has been de-
signed to help you solve problems by suggesting a
probable cause and the recommended solution. These suggested remedies should be applied with
caution. Make sure that the source of the problem is
not located in an area different from the one where it
is listed. A thorough understanding of the machine is
required to correct operating problems.