MAINTENANCE
Muffler
Cooling system
NOTE!
To maintain as low opera-
ting temperature as possible
the engine is equipped with
a cooling system.
Some mufflers are fitted with a catalytic converter. See
“Technical data” to see whether your machine is fitted with a
catalytic converter.
The cooling system consists
of:
The muffler is designed to
dampen the noise level and
to direct the exhaust fumes
away from the user. The
exhaust fumes are hot and
can contain sparks, which
can result in fire if the
4
1.
2.
3.
4.
An air intake on the
starter unit.
Cooling fins on the
flywheel.
Cooling fins on the
cylinder
Cylinder cover (leads cold
air onto the cylinder).
3
exhaust fumes are directed
towards a dry and
inflammable material. Some
mufflers are equipped with a
special spark arrest screen. If
your machine is fitted with
this type of screen it should
be cleaned regularly. This is
done using a wire brush. On
mufflers without a catalytic
converter the screen should
be cleaned weekly, or
2
Clean the cooling system
using a brush at least once a
week, in difficult conditions
more often.
A dirty or blocked cooling
system leads to the engine
overheating resulting in
damage to the cylinder and
piston.
1
replaced if necessary. On
mufflers fitted with a
catalytic converter the
screen should be checked
and cleaned monthly. If the
screen is damaged it should
be replaced. If the screen is
frequently blocked, this can
be a sign that the function
of the catalytic converter is
impaired. Contact your
dealer to inspect the muffler.
A blocked screen will cause
the engine to overheat
Air filter
The air filter should be
cleaned regularly removing
dust and dirt to avoid:
•
•
•
•
carburettor malfunction
starting problems
reduced engine power
unnecessary wear to
engine parts
•
abnormal fuel
resulting in damage to the
cylinder and piston. Also see
under “Maintenance”.
consumption
Clean the filter after every
25 hours or more regularly
if operating conditions are
exceptionally dusty.
NOTE!
Never use a machine with a defective muffler.
Cleaning the air filter
Dismantle the air filter
cover and remove the air
filter. Wash in clean, warm
soapy water. Ensure that the
filter is dry before refitting.
An air filter used for a long
period of time can never be
cleaned completely.
!
WARNING!
Mufflers fitted with catalytic converters
become extremely hot during use and
after stopping. This also applies at idling
speeds. Contact can result in burns to
the skin. Be observant to the risk of fire!
Therefore it is necessary to
replace the filter from time
to time with a new filter. A
damaged air filter must
always be replaced.
18
– English
| Categories | Chainsaw Manuals, Husqvarna Chainsaw Manuals |
|---|---|
| Tags | Husqvarna 225L, Husqvarna 227L, Husqvarna 232L, Husqvarna 240L |
| Model Year | 1999, 2000, 2001 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Product Brand | Husqvarna, Chainsaw |
| Document File Type | |
| Publisher | husqvarna.com |
| Wikipedia's Page | Husqvarna |
| Copyright | Attribution Non-commercial |
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