14
WWW
.N
AKAYAMA
T
OOLS
.
COM
MAINTENANCE CHART
System/components
Procedure
Before
use
Every
25
Hours
after
Every
50
Hours
after
Every
100
Hours
after
Note
E
ngine
fuel leaks, fuel spillage
wipe out
fuel tank, air filter, fuel
filter
inspect/clean
replace, if
necessary
idle adjusting screw
see adjusting
idling speed
repl
ace
carburetor
if neces
s
ary
spark plug
clean and readjust
plug gap
GAP : 0.65 mm
replace, if
necessary
cylinder fins, intake air
cooling vent
clean
muffler, spark arrester,
cylinder exhaust port
clean
T
rimmer
throttle lever, ignit
ion
switch
check operation
cutting parts
replace if
something’s wrong
gear case
grease
screws/nuts/bolts
tighten/replace
not adjusting
screws
debris guard
make sure to attach