Husqvarna 545 Mark II Workshop Manual page 51

15. If the heating elements of the carburetor has not
been removed, disconnect the cables (A). Lift the
saw up carefully. Pull down the hoses through the
carburetor bottom plate. Pull the throttle wire down
through the carburetor bottom plate. Make sure that
you understand how the cables are attached.
A
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16. Remove the tank unit.
CAUTION: Be careful not to cause damage
to the hoses when lifting the saw from the
tank unit.
Repair instructions - 51