honda-power-equipment hht31s ユーザーズマニュアル

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TAKING CARE OF UNEXPECTED PROBLEMS
53
CUTTING HEAD PROBLEMS
Blade or Cutting-line 
head Won’t Stop Turning 
When Throttle is at 
SLOW Position
Possible Cause
Correction
Check throttle control and 
cable.
Fault in throttle control or cable; 
throttle cable out of adjustment or 
bent.
Check throttle control parts, 
adjust or replace cable if 
necessary.
Idle speed is too fast.
Adjust idle speed.
Check clutch.
Clutch springs broken or worn, or 
clutch system faulty.
Replace clutch springs or 
replace or repair other clutch 
system parts.
Blade or Cutting-Line 
Head Won’t Turn
Possible Cause
Correction
Check clutch, drive cable, 
and gear case.
Worn or broken clutch, broken 
cable, worn or broken gear case 
parts.
Replace or repair faulty 
components as needed.
Excessive Vibration
Possible Cause
Correction
Check cutting-line head or 
blade nut.
Cutting-line head or blade nut 
loose.
Tighten cutting-line head or 
blade nut securely.
Check blade.
Blade damaged.
Replace blade.