Troubleshooting Schedule - Husqvarna K970 II Ring Bedienungsanweisung

Troubleshooting schedule

Problem Probable cause
Guide roller knobs not tightened fully.
The blade
The blade not fitted on guide rollers
does not
correctly.
rotate.
Support rollers tensioned too much.
Support rollers tensioned too much.
Worn drive wheel.
The blade
The V-shaped inner diameter of the blade
rotates too
is worn.
slowly.
The springs on the guide rollers are
weakened.
Defective guide roller bearings.
Defective support roller bearings.
Support roller setting too loose.
Worn guide rollers.
The blade
jumps out
The blade not fitted on guide rollers
of its
correctly.
position.
Damaged blade.
Support rollers tensioned too much.
The blade
warps.
Blade overheating.
Segments
Bent, twisted or badly maintained blade.
break.
The blade
cuts too Wrong blade for the material in question.
slowly.
The guide rollers does not move in and
out freely. A seized guide roller can not
press the blade hard enough against the
drive wheel.
Worn drive wheel. Abrasive material and
too little water when cutting increases the
wear on the wheel.
The blade
slips. Worn guide roller flange. When more than
half of the width of the flange is worn the
blade slips.
The blade's groove and inner edge are
worn. Caused by inferior flushing of
abrasive material and/or a worn drive
wheel causing the blade to slip.
TROUBLESHOOTING
Potential Solution
Tighten the guide roller knobs completly.
Refit the blade and make sure the blade moves, see section
"Assembling and adjustments".
Readjust support rollers.
Tighten the guide roller knobs completly.
Check for wear on the drive wheel, see section "Cutting
blades". Change if needed, see section "Assembling and
adjustments".
Check for wear of the blade, see section "Cutting blades".
Change if needed, see section "Assembling and
adjustments".
Replace complete guide roller assy or contact an authorised
service workshop.
Replace complete guide/support roller assy or contact an
authorised service workshop.
Readjust support rollers.
Check for wear on the guide rollers, see section
"Maintenance". Change if needed.
Refit the blade and make sure the blade moves, see section
"Assembling and adjustments".
Check for wear of the blade, see section "Cutting blades".
Change if needed, see section "Assembling and
adjustments".
Readjust support rollers.
Check the waterflow, see section "Technical data"
Continue to use the blade only if one segment is missing or
leave for reconstruction when the blade is worn max 50 %.
Check for wear of the blade, see section "Cutting blades".
Change if needed, see section "Assembling and
adjustments".
Check blade recommendations, see section "Cutting
blades". Change blade if needed, see section "Assembling
and adjustments".
Check that the guide roller sleeves are free to move in and
out. If not, remove, clean, regrease and refit. See section
"Maintenance". Change if needed.
Check for wear on the drive wheel, see section "Cutting
blades". Change if needed, see section "Assembling and
adjustments".
Check for wear on the guide rollers, see section
"Maintenance". Change if needed.
Check blade, drive wheel and guide rollers, see section
"Cutting blades". Change if needed, see section
"Assembling and adjustments".
Check the waterflow, see section "Technical data"
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