MAINTENANCE
Adjustment of the oil pumpHeated handles (346XPG, 353G)
(346XP/353)On the models 346XPG and
353G both the front handle
and the rear handle are
equipped with electrical
The oil pump is adjustable.heating coils. These are
Adjustments are made by turningsupplied with electricity from a
the screw using a screwdriver orbuilt-in generator in the
combination spanner. The saw is+ �electrical system.
1
supplied from the factory with the2
screw set to position 2. TurningWhen the switch is pushed
3
the screw clockwise will reduceupwards, the heat is switched
the oil flow and turning the screwon. When it is pushed
anti-clockwise will increase the oildownwards the heat is
flow.switched off.
WARNING! The engine must not be running
when making adjustments.
Recommended settings:
Electrically heated carburettor
Bar 13"-15": Position 1
Bar 15"-18": Position 2(346XPG, 353G)
Bar 18"-20": Position 3This chain saw is, if it has model code XPG, equipped with
electrically heated carburettor. The electrically powered heating
Cooling systemprevents ice from forming in the carburettor. A thermostat
controls the heating so that the carburettor always has the right
working temperature.
To obtain the lowest possible running temperature the saw is
Winter use
equipped with a cooling system.
5During winter time, snow and cold weather can cause running
The cooling system
problems, such as:
consists of:4
Y Too low engine temperature.
1. Air intake on the starter unit.Y Icing of the air filter and freezing of the carburettor.
3
2. Air guide plate.
Therefore some special measures are required:
3. Fan blades on the
Y Partly reduce the air inlet of the starter and by doing that
flywheel.
increase the engine temperature.
4. Cooling fins on theY Preheat the intake air to the carburettor by using the heat from
cylinder.2the cylinder.
5. Cylinder cowling (supplies1
cold air over the cylinder).
Clean the cooling system with a brush once a week, more often in
demanding conditions. A dirty or blocked cooling systemTemperature 0!C (32!F) or
results in the saw overheating which causes damage tocolder:
piston and cylinder.The cylinder cover is made so it
NOTE! The cooling system of chain saws that are fitted with acan be adjusted for running in
catalytic converter must be cleaned daily. This is particularlycold weather. Open the winter
important on saws with catalytic converters, because theflap so that preheated air from
higher working temperature of the exhaust demands efficientthe cylinder can pass into the
cooling of the engine and the catalytic converter unit.carburettor area preventing for
instance icing of the air filter.
Centrifugal cleaning �Air Injection�
For temperatures below -5!C
(23!F) and/or in snow
Centrifugal cleaning means
conditions there is also:
the following:
Y a special cover (A) for the
All air to the carburettor is
starter housing,
carried through the starter.
Y a winter plug (B) for the air
Dirt and dust is centrifuged
intake that is fitted as shown.
away by the cooling fan.
These reduce the air flow and
IMPORTANT! In order toprevent large amounts of snow
keep the function of the
from being sucked into the
centrifugal cleaning, a
carburettor chamber. NOTE!
continous maintenance and
When the winter plug is fitted
care must be made.
the winter flap must be open.
IMPORTANT! If the temperature rises above -5!C (23!F) or 0!C
Y Clean the air intake to the(32!F) respectively the saw MUST be restored to its normal
starter, the fan wings of thesettings. Otherwise there is a risk of overheating, which can cause
flywheel, the space aroundsevere engine damage.
the flywheel, inlet pipe and
carburettor space.IMPORTANT! Any maintenance other than that described in this
manual must be carried out by your servicing dealer.
32 � English |
ACEC
HUSQVARNA
