Husqvarna 543RBX Workshop Manual page 50

3. Remove the cylinder cover.
4. Loosen the 3 screws that hold the muffler. Put a
rubber sheet between the muffler and the cylinder.
Tighten the 3 screws.
50 - Repair instructions
5. Loosen, but do not remove, the 2 screws that hold
the carburetor and air filter holder. Put a rubber
sheet between the carburetor and the distance
piece. Tighten the 2 screws.
6. Remove the spark plug and attach a pressure tester
plug. Attach the pressure tester.
7. Increase the pressure to 0.8 bar and wait for 30
seconds. Make sure that the pressure is not less
than 0.6 bar.
8. Remove the pressure tester and the pressure
vacuum tester.
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