Troubleshooting; Troubleshooting Schedule - Husqvarna K970 III Operator's Manual

Troubleshooting schedule

WARNING! If service operations or trouble shooting does not require the machine to be on, the
!
engine should be switched off, and the stop switch in STOP position.
Problem
The machine does not start
The blade rotates at idle
The blade does not rotate while
throttling up
The machine has no power while
attempting to throttle up
Vibration levels are too high
Temperature of the machine is too
high

TROUBLESHOOTING

Probable cause
Incorrect starting procedure.
Stop switch in the right (STOP)
position
There is no fuel in the fuel tank
Spark plug defective
Defective clutch
Idle speed too high
Defective clutch
Belt too loose or defective
Defective clutch
Blade fitted incorrectly
Clogged air filter
Clogged fuel filter
Fuel tank vent blocked
Blade fitted incorrectly
Blade defective
Vibration damping elements
defective
Air intake or cooling flanges
blocked
Belt slipping
Clutch slipping / is defective
Potential Solution
See instructions under the heading
Starting and stopping.
Make sure that the stop switch (STOP) is
in the left position.
Refill with fuel
Replace the spark plug.
Contact your service agent.
Adjust the idle speed
Contact your service agent.
Tighten the belt / Replace the belt with a
new one
Contact your service agent.
Make sure the blade is properly installed.
Check the air filter and replace if
necessary.
Replace the fuel filter.
Contact your service agent.
Check that the cutting blade is fitted
correctly and does not show signs of
damage. See the instructions in the
sections "Cutting blades" and "Assembly
and adjustments".
Change the blade and make sure it is
intact.
Contact your service agent.
Clean the machine's air intake/cooling
flanges
Check belt / adjust the tension
Always cut at full throttle.
Check clutch / contact your service agent
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