Replacement Of Fuel Filter; Replacing The Air Filter - Husqvarna 155 Operator's Manual

2 Pull the throttle wire's casing as far as possibleto the right
and check that the choke is fullyactuated.
3 Tighten the clamping screw.
4 Pull back the throttle to the full throttle position and check
that the choke is no longer actuated.
Replacement of fuel filter
Replace the fuel filter every 100 running hours (once per
season) or more frequently if it is clogged.
Replace the filter as follows:
1 Open the engine cover.
2 Move the hose clips away from the filter. Use a pair of flat
pliers.
3 Pull off the filter from the hose ends.
4 Press the new filter into the ends of the hoses. If
necessary apply liquid detergent to the ends of the filter to
facilitate connection.
5 Push the hose clips back on the filter and tighten.
22 –
English
Maintenance
Replacing the air filter
!
If the engine seems to lack power or does not run smoothly
this may be because the air filter is clogged. It is therefore
important to replace the air filter at regular intervals (see
Maintenance/Maintenance Schedule for the correct service
interval).
Replace the air filter as follows:
1 Open the engine cover.
Unscrew the wing nut (A) on top of the air filter andremove the
cover.
Carefully remove the precleaner. Wash andreoil the
precleaner every 25 hours of opera-tion. Wash the precleaner
in warm water withdetergent. Rinse precleaner with clear
warmwater. Squeeze water out (do not wring toavoid tearing).
Allow to dry before lightly oilingwith fresh engine oil and
installing it over thepaper filter.
IMPORTANT INFORMATION
Never run the engine without the air filter fitted.
Do not use compressed air to clean the paper filter. They
must be fitted dry.
2 Unscrew the wing nut from the air filter and lift out the
paper filter.
WARNING! The exhaust system is hot. Let it
cool before starting to replace the air filter.