Dolmar MS-251 - Servicing Instructions; Daily Checkup and Maintenance

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Servicing
instructions
AG
Q
CAUTION
Before
doing
any
work
on
the
brush
cutter
or
grass
trimmer,
always
switch
off
the
motor
and
pull
the
plug
cap
off
the
spark
plug
(see "Checkup of spark plug")
Always wear protective gloves!
To
ensure
a
long
service
life
and
to
avoid
any
damage
to
the
equipment,
the
following
servicing
operations
should
be
performed
at
regulaı
intervals.
Daily checkup and maintenance
*
Before
operation,
check
the
machine
for
loose
screws
or
missing
parts.
Pay
particular
attention
to
the
tightness
of
the
cutter
blade.
*
Before
operation,
always
check
for
clogging
of
the
cooling
air
passage
and
the
cylinder
fins.
Clean
them
if
necessary.
* Perform the following work daily after use:
©
Clean
the
brush
cutter
or
the
grass
trimmer
externaly
and
inspect
for
damage.
Clean
the
air
filter.
When
working
under
extremely
dusty
conditions,
clean
the
filter
the
several
times
a
day.
:
Check
the
blade
or
the
nylon
cutting
head
for
damage
and
make
sure
it
is
firmly
mounted.
r
>
Check
that
there
is
sufficient
difference
between
idling
and
engagement
speed
to
ensure
that
the
cutting
tool
is
at
a
standstill
while
the
engine
is
idling
(if
necessary
reduce
idling
speed)
If
under
idling
conditions
the
tool
should
still
continue
to
run,
consult
your
nearest
Authorized
Service
Agent.
*
Check
the
functioning
of
the
stop
switch,
the
lock-off
lever,
the
throttle
lever,
and
the
lock
button
Cleaning of air cleaner
e Unscrew screw (1)
* Remove the air cleaner cover.
A1
* Push the choke lever (2) up (arrow) to prevent dirt particles from
entering the carburetor.
* Remove the sponge element (3). Wash it with lukewarm water and
then dry it thoroughly.
+
After
cleaning
the
air
cleaner,
install
the
air
cleaner
cover
(4)
ап
tighten
the
screw
(1)
to
secure.
a
NOTE:
lf
there
is
excessive
dust
ог
dirt
adhering
to
the
air
cleaner,
clean
it
every
day.
A
clogged
air
cleaner
may
make
it
difficult
or
impossibl
to
start
the
engine
or
increase
the
engine
rotational
speed
22