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9. Maintenance
Maintenance, replacement, or repair of the emission control device and systems may be performed by any
non-road engine repair establishment or individual.
■ MAINTENANCE CHART
system/compornent
fuel leaks, fuel spillage
fuel tank, air filter, fuel filter
idle adjusting screw
spark plug
cylinder fins, intake air cooling vent
muffler, spark arrester, cylinder exhaust port clean
throttle lever, ignition switch
cutting parts
debris guard
gear case
screws/nuts/bolts
oiling port
guide bar
sprocket
saw chain
sweeper unit
68
procedure
before hours
use
✔
wipe out
✔
inspect/clean
see ■ADJUSTING
✔
IDLING SPEED (p.40)
clean and readjust
plug gap
clean
✔
check operation
replace if
✔
something's wrong
✔
make sure to attach
grease
✔
tighten/replace
✔
clean
✔
clean
inspect/replace
✔
inspect/sharp
replace if
✔
something's wrong
every
every
every
25
50
100
hours
hours
note
after
after
after
✔
replace, if necessary
replace carburetor
if necessary
GAP: .025in(0.6~0.7mm)
✔
replace, if necessary
✔
✔
EX2-BC, EX-LRT,
EX-HE
EX2-BC, EX-HE
✔
✔
not adjusting screws
EX-PS only
EX-PS only
✔
EX-PS only
EX-PS only
EX-RMS only
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