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If you use an air filter for a long time, it cannot be fully
cleaned. Replace the air filter with a new one at regular
intervals.
1. Close the choke valve.
2. Remove the air filter cover.
3. Remove the air filter.
4. Clean the air filter with warm soap water.
5. Make sure that the air filter is dry.
6. Replace the air filter if it is too dirty to fully clean it.
Always replace a damaged air filter.
7. Clean the inner surface of the air filter cover. Use air
or a brush.
8. Use Husqvarna two-stroke oil to put oil on the air
filter. If there is too much oil on the air filter, remove
the unwanted oil before you install the air filter.
To clean the air filter (543RS, 553RS)
CAUTION:
Always replace an air filter
that is damaged, very dirty or soaked with
fuel.
If you use an air filter for a long time, it cannot be fully
cleaned. Replace the air filter with a new one at regular
intervals.
1. Close the choke valve.
2. Remove the air filter cover.
553RS
543RS
3. Remove the air filter.
4. Clean the air filter. Use compressed air.
5. Replace the air filter if it is too dirty to fully clean it.
Always replace a damaged air filter.
6. Clean the inner surface of the air filter cover. Use air
or a brush.
7. Use Husqvarna two-stroke oil to put oil on the air
filter. If there is too much oil on the air filter, remove
the unwanted oil before you install the air filter.
To examine and clean the fuel filter
• When the engine runs short of fuel supply, make
sure that the fuel tank cap and the fuel filter (A) are
not blocked.
A
To add grease to the bevel gear
• Make sure that the bevel gear is filled ¾ full with
bevel gear grease.
1756 - 001 - 08.06.2022
25
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