Air Injection" Centrifugal Cleaning; Winter Use - Husqvarna 545 TrioBrake Operator's Manual

5 Cylinder cover (directs cold air over the cylinder).
2
1
Clean the cooling system with a brush once a week, more
often in demanding conditions. A dirty or blocked cooling
system results in the machine overheating which causes
damage to the piston and cylinder.
"Air Injection" centrifugal
cleaning
Centrifugal cleaning means the following: All air to the
carburettor passes through the starter. Dirt and dust is
centrifuged out by the cooling fan.
IMPORTANT! In order to maintain operation of the
centrifugal cleaning system it must be regularly
maintained. Clean the air intake to the starter, the fins on
the flywheel, the space around the flywheel, inlet pipe and
carburettor compartment.

Winter use

Running problems can occur when using the machine in
the cold and snowy conditions caused by:
• Too low engine temperature.
• Icing of the air filter and carburettor.
Special measures are therefore often required:
• Partly mask the air inlet on the starter to increase the
working temperature of the engine.
• Preheat the intake air to the carburettor by using the
heat from the cylinder.
36 – English
MAINTENANCE
5
4
3
Temperature 0° ° ° ° C or colder:
The intermediate wall is designed so it can be adjusted for
running in cold weather, so that preheated air from the
cylinder can pass into the carburettor space preventing
icing of the air filter, etc. Lift off the air filter to obtain better
access. Use a screwdriver to carefully knock away the
plug in the partition.
For temperatures below -5°C and/or in snow conditions a
special cover is available, which is mounted on the starter
housing.
Part number: 522 98 66-01.
These reduce the flow of cooling air and prevent large
amounts of snow from being sucked into the carburettor
space.
IMPORTANT! If the temperature rises above -5°C or 0°C
respectively, the starter housing cover MUST be
removed and the accompanying plug, art. no. 503 40
59-01 fitted in the hole in the partition wall. Otherwise
there is a risk of overheating, resulting in severe
damage to the engine.