8. Maintenance
Every Every Every
25
50
100
System/components
Procedure
Before
hours hours hours Note
use
after after after
fuel leaks, fuel spillage
wipe out
fuel tank, air filte
r
, fuel filter
inspect/clean
replace, if necessary
r
o
t
e
r
u
b
r
a
c
e
c
a
l
p
e
r
g
n
it
s
u
j
d
a
e
e
s
idle adjusting screw
r
a
s
s
e
c
e
n
f
i
d
e
e
p
s
g
n
il
d
i
y
m
m
7
.
0
~
6
.
0
:
P
A
G
t
s
u
j
d
a
e
r
d
n
a
n
a
e
l
c
spark plug
r
p
a
g
g
u
l
p
eplace, if necessary
intake air cooling vent
clean
throttle trigger, stop switch
check operation
clean
take it to a service dealer
cutting parts
if something is wrong
gear case
grease
screws/nuts/bolts
tighten/replace
not adjusting screws
plate receive
make sure to attach
E
NI
G
NE
RE
M
MI
RT
WARNING
•
Make sure that the engine has stopped and is cool
before performing any service to the machine. Con-
tact with moving cutting head or hot muffler may
result in a personal injury.
BLADE
•
Clean any resin and plant reside from the blade be-
fore and after using the machine.
•
Check the cutting edges and refor
m with a flat file.
WARNING
• Make sure that the blade bolts are well tightened.
• The blade assembly is designed to automatically
compensate for any play between the blades.
Point :
1. Keep the end corner sharp.
2. Round the root of the edge.
3. Do not use water when using a grinder.
IMPORTANT
When mounting the blade, make sure to fasten the
spacer, washer and bolt, then fasten the nut.
SHARPENING
Always keep the
file
or sharpener at an angle of 45° to
the blade, and:
•
Always grind in the direction of the cutting edge;
•
Note:
files
cut only in one direction; lift the
file
from
the blade when returning to start a new pass;
•
Remove all burr from the edge of the blade with a slip
stone;
•
Remove as little material as possible;
•
Before r
efitting
the sharpened blades, remove
filing
s
and then apply grease.
Do not try to sharpen a damaged blade, replace it.
10