Troubleshooting; Troubleshooting Schedule - Husqvarna K970 II Chain 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 chain rotates at idle
The chain 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
Poor cutting speed
Premature chain stretch.
Diamond chain snaps ot
jumps of

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
Chain tension too tight. Diamond chain
should always be able to be pulled
around the guidebar by hand. It is
normal for the diamond chain links to
hang below the guidebar.
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
Clutch slipping / is defective
Diamonds may be glazed or too low feed
pressure.
Not enough water pressure. Insufficient
water supply may result in excessive
wear to the diamond chain, which can
lead to loss of strenght and diamond
chain breakage.
Improper chain tension
Inserting saw into slot narrower than
diamond chain segments.
Not enough feed pressure while cutting.
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.
Adjust the chain tension, see instructions in the
section "Assembling and adjustments".
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
Always cut at full throttle.
Check clutch / contact your service agent
Cut in a soft abrasive material such as sandstone
or brick, for a short while.
Increase the water pressure.
Adjust the chain tension, see instructions in the
section "Assembling and adjustments".
See instructions in the section "Operation".
Avoid letting the saw bounce and chatter.
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