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9. Maintenance
(1)
MA1
MA2
MA3
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.21)
if necessary
clean and readjust
GAP: .025in(0.6~0.7mm)
spark plug ✔
plug gap replace, if necessary
cylinder fins, intake air cooling vent clean ✔
muffler, spark arrester, cylinder exhaust port
clean ✔
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/sharp ✔
ENGINE
SHAFT
CUTTING UNIT
■ MAINTENANCE CHART
■ OILING PORT
Dismount the guide bar and check the oiling port
for clogging. (MA1)
(1) Oiling port
■ GUIDE BAR
Remove sawdust in the bar groove and the oiling
port. (MA2)
(1) Groove
(2) Oiling port
(Type: Sprocket nose)
Grease the nose sprocket from the feeding port on
the tip of the bar. (MA3)
(1) Grease port
(2) Sprocket
Maintenance, replacement, or repair of the emission control device and systems may be
performed by any non-road engine repair establishment or individual.