Makita EH 450 Trimmer User Manual


 
Suction head in the fuel tank
-
Every
50
hours (Monthly)
-
The felt filter
(1)
of
the suction head
is
used to filter the fuel
required by the carburetor.
-
A
periodical visual inspection
of
the felt filter
is
to be conducted.
For that purpose, open the tank cap, use
a
wire hook and pull out
the suction head through the tank opening.
Filters found to have hardened, been polluted
or
clogged up
are
to
be replaced.
-
Insufficient
fuel
supply can result in the admissible maximum speed
being exceeded.
It
is
therefore important to replace the felt filter at
least quarterly to ensure satisfactory
fuel
supply to the carburetor.
Cleaning
of
muffler exhaust
port
-
Every
50
houR
0
-
Check
of
muffler exhaust port
(2)
regularly.
-
If
it
is
clogged by carbon deposits, carefully scratch the deposits
out with
a
suitable tool.
Do not allow carbon to
fall
into engine ports.
Replace fuel lines: Every
200
hours (yearly)
Overhaul engine: Every
200
hours (yearly)
Replace packings and gaskets with new ones: Every time engine
is
reassembled.
Any maintenance or adjustment work that has not been included and described in this manual
is
only to
be
performed by Authorized Service Agent.
Daily checkup
and
maintenance
To
ensure
a
long service
life
and to avoid any damage to the equipment, the following servicing operations should
be
performed at regular intervals.
-
Before operation, check the machine
for
loose
screws
or
missing parts. Pay particular attention to the tightness
of
the cutter blade screws.
-
Every
8
hours (Daily)
-
Before operation, always check for clogging
of
the cooling
air
passage and the cylinder fins. Clean them
if
necessary.
-
Every
8
hours (Daily)
-
Perform the following work daily after use:
Clean the Hedge Trimmer externally and inspect
for
damage.
Clean the air filter. When working under extremely dusty conditions, clean the filter several times
a
day.
Check the
blades
for damage and make sure they are firmly mounted.
14