Filter
Top Products
DAlLY
CHECK-UP AND
MAINTENANCE
cover
Fig.
27
06
mm
-
07
mm
(0024'
-
0028")
I
Fig.
29
,
I
Sponge
element
-
FIY
28
I
x
I
Fig.
30
1.
Before operation, pay particular attention to the tightness
of
the nylon cutting head. Re-tighten the ,~yIc:~
cutting head
if
necessary (every
8
hours
or daily).
2.
Check
for
clogged cooling air passage and cylinder
fins.
Clean them
if
necessary (every
8
hours
or
da!ly)
3.
Clean the air cleaner every
8
hours
or
daily.
using
the following procedure:
i).
Remove the air cleaner cover. Clean the sponge element and remove any excessive
dust
or
dirt
adhering
to
the cleaner
(Fig.
27 and
28).
A
clogged air cleaner may make
it
difficult
or
impossible
to
start
the
engine or
to
increase the engine rotational speed
ii).
Re-install the sponge element around the
ribs
of
the air cleaner case.
4.
Check the spark
plug
every
8
hours
or
daily.
The gap between
the
two electrodes
of
the spark
plug
should
be
0.6
to
0.7
mm
(0.024"
to
0.028").
If
the
gap
is
too
wide
or
too
narrow, adjust
it.
If
the spark
plug
is
clogged
with
carbon
or
fouled, clean
it
thoroughly or replace
it
(Fig.
29).
5.
Apply
grease
(SHELL
ALVANIA
No.
3
or
equivalent)
to
the gear case through the grease hole every
30
hours
(Fig.
30).
6.
Clean the muffler exhaust port every
50
hours or monthly.
7.
Check
the
fuel
filter.
If
clogged,
replace
it
with
a
new
one
every
50
hours
or
monthly.
8.
Replace the fuel
lines
every
200
hours or yearly.
9
Overhaul the engine eyery.200 hours or yearly
10
Replace the packing andgaskets
with
new ones every time the engine
is
reassembled
-
13