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545133423 Rev. 4 9/6/07
MAINTENANCE
Spark plug
The spark plug condition is influenced by:
S Incorr ect carburetor adjustment.
S An incor rect fuel mixture (too much or in-
correct type of oil).
S Poor quality gasoline and/or oil
S A dirty air filter .
These factors cause deposits on the spark
plug electrodes, which may result in operat-
ing problems and starting difficulties.
If the machine is low on power, dif ficult to
start or runs poorly at idle speed: always
check the spark plug first before taking
any further action. If the spark plug is dirty,
clean it and check that the electrode gap is
0,6 mm. The spark plug should be replaced
after about a month in operation or earlier if
necessary.
0,6 mm
CAUTION! Always use the recommended
spark plug type! Use of the wrong spark
plug can damage the piston/cylinder.
Maintenance schedule
Below you will find some general mainte-
nance instructions.
Daily maintenance
S Clean the exterior surfaces of the blower .
S Check that the var iable speed cont rol and
the throttle t rigger function in a safe m an-
ner. Replace damaged parts.
S Check that the st op switch works proper-
ly. Replace if necessary .
S Clean the air filter. Replace if necessary.
S 125B
X--SERIES
and 125BV
X--SERIES
:
Check that the inlet cover can be locked
in the closed position. Carefully chec k
that the fan impeller is clean, especially if
the blower has been used for collecting
debris (vacuum ing).
S Check that all nuts and screws are prop-
erly tightened.
S Check that all the housings are free of
crac ks. Replace damaged parts.
S 125B
X--SERIES
and 125BV
X--SERIES
:
Check that the collection bag is intact and
that the zipper works. Replace it if neces-
sary.
Weekly maintenance
S Check the condition of the starter device,
the starter cord and the tensioning spring.
Replace damaged parts.
S Check the condition of the air intake at
the starter device. Remove debris if it is
clogged.
S Clean the out side of the spark plug. Re-
move it and chec k the electrode gap. Ad-
just the gap to 0,6 mm, or replace the
spark plug. Use resistor spark plug
Champion RCJ--8Y or equivalent.
S Clean the f an blades on the flywheel.
S Clean or replace the spark arresting
scr een (not on mufflers with a catalyt ic
conver ter).
S Clean the carburetor area.
S Clean the air filter.
Monthly maintenance
S Clean the f uel tank.
S Clean the out side of the carburetor and
the area around it.
S Clean the f an blades on the flywheel and
the area around it.
S Check fuel lines for cracks or other dam-
age. Change if neces sary.
S Change the f ue l filter in fuel tank.
S Check all cables and connections. Re-
place damaged parts.
S Replace t he spark plug. Use spark plug
Champion RCJ--8Y or equivalent.
S Change the air filter.