Operation - Husqvarna 543 XP Operator's Manual

4. Install the saw chain correctly around the drive
sprocket and put it in the groove on the guide bar.
WARNING: Always use protective
gloves when you assemble the saw
chain.
Introduction
WARNING: Read and understand the safety
chapter before you use the product.
To do a function check before you
use the product
1. Make sure that the chain brake operates correctly
and that it is not damaged.
2. Make sure that the right hand guard is not damaged.
3. Make sure that the throttle lockout operates correctly
and that it is not damaged.
4. Make sure that the start/stop switch operates
correctly and that it is not damaged.
5. Make sure that there is no oil on the handles.
6. Make sure that the vibration damping system
operates correctly and that it is not damaged.
7. Make sure that the muffler is correctly attached and
that it is not damaged.
8. Make sure that all parts of the product are correctly
attached and not damaged or missing.
9. Make sure that the chain catcher is correctly
attached.
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5. Make sure that the edges of the cutters point forward
on the top edge of the guide bar.
6. Align the hole in the guide bar with the chain adjuster
pin and install the clutch cover.
7. Tighten the bar nut finger tight.
8. Tighten the saw chain. Refer to
of the saw chain on page 30 for instructions.
9. Tighten the bar nuts.

Operation

10. Do a check of the saw chain tension.
Fuel
This product has a two-stroke engine.
Premixed fuel
• Use Husqvarna premixed alkylate fuel of a good
quality, for best performance and extension of the
engine life. This fuel contains less harmful chemicals
compared to regular fuel, which decreases harmful
exhaust fumes. The quantity of remains after
combustion is lower with this fuel, which keeps the
components of the engine more clean.
3 4
7
6,8
2 9
1
CAUTION: Incorrect type of fuel can result
in engine damage. Use a mixture of gasoline
and two-stroke oil.
956 - 001 - 13.11.2018
To adjust the tension
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