42
Every Every Every
25 50 100
System/compornent Procedure Before hours hours hours note
use after after after
fuel leaks, fuel spillage wipe out ✔
fuel tank, air filter, fuel filter inspect/clean ✔✔ replace, if necessary
see ■ADJUSTING replace carburetor
idle adjusting screw ✔
IDLING SPEED (p.40) if necessary
clean and readjust GAP: .025in(0.6~0.7 mm)
spark plug ✔
electrode gap replace, if necessary
cylinder fins, intake air cooling vent clean ✔
muffler, spark arrester, clean,
✔
cylinder exhaust port remove piled up carbon
throttle lever, ignition switch check operation ✔
gear case grease ✔
screws/nuts/bolts tighten/replace ✔✔not adjusting screws
oiling port clean ✔
guide bar clean ✔
sprocket inspect/replace ✔
saw chain inspect/replace ✔
ENGINE
SHAFT
CUTTING UNIT
■ MAINTENANCE CHART
Maintenance, replacement, or repair of the emission control
device and systems may be performed by any non-road engine
repair establishment or individual.
9. Maintenance
English