
MAINTENANCE SCHEDULE
General
Engine assembly
Screws and nuts
Visual inspection for damage and tightness
Check for general condition and security
After each
refueling
Throttle lever
Safety lock key
STOP switch
Functional check
Functional check
Functional check
Daily
Air filter
Cooling air duct
Cutting tool
Idling speed
To be cleaned
To be cleaned
Check for damage and sharpness
Inspection (cutting tool must not move)
Weekly
Spark plug
Muffler
Inspection replace if necessary
Check and if necessary clean the opening
Quarterly
Suction head
Fuel tank
To be replace
To be cleaned
Shutting down
procedure
Fuel tank
Carburetor
Empty fuel tank
Operate until engine runs out of fuel
FAULT LOCATION
Fault
System
Observation
Cause
Engine not
starting or
under
difficulties
Ignition system
Ignition
spark is
present
Faulty fuel supply or compression system,
mechanical defect
No ignition
spark
STOP-switch operated, wiring fault or short
circuit, spark plug or connector defective,
ignition module faulty
Fuel supply
Fuel tank
filled
Incorrect choke position, carburetor
defective, suction head (gas line filter) dirty,
fuel supply line bent or interrupted
Compression
Inside of
engine
Cylinder bottom gasket defective,
crankshaft seals damaged, cylinder or
piston rings defective
Outside of
engine
Improper sealing of spark plug
Mechanical
fault
Starter not
engaging
Broken starter spring, broken parts inside of
the engine
Tank filled
Ignition
spark
Carburetor contaminated, have it cleaned
Содержание ST-HT260B
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Страница 17: ...INSTRU ES DE MANUTEN O...
Страница 38: ...INSTRUCCIONES DE MANTENIMIENTO...
Страница 60: ...The blades will wear with long use When you find that trimming is not a good as when...