Maintenance And Care - Stihl HL 91 K Manual De Instrucciones

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Maintenance and Care

The following intervals apply to normal operating conditions only. If your daily work-
ing time is longer or operating conditions are difficult (very dusty work area, etc.),
shorten the specified intervals accordingly.
Complete machine
Control handle
Air filter
Fuel tank
Manual fuel pump (if fitted)
Pickup body in fuel tank
Carburetor
Spark plug
Cooling inlet
Cylinder fins
Spark arresting screen in muffler
Spacer molded to shroud
24
Visual inspection (condition, leaks)
Clean
Replace any damaged parts
Check operation
Visual inspection
Clean filter housing
1)
Replace felt filter
Clean
Check
2)
Have repaired by servicing dealer
2)
Have checked by servicing dealer
2)
Have replaced by servicing dealer
Check idle setting, the cutting blades
must not move
Adjust idle speed
Adjust electrode gap
Replace after every 100 operating hours
Visual inspection
Clean
2)
Have cleaned by servicing dealer
Check
Clean or replace
5)
Check
Have shroud replaced by servicing
2)
dealer
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HL 91 K
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