Assembly; Operation - Husqvarna 541EA Operator's Manual

• Remove the spark plug cable before you put the
product into storage to make sure that the engine
does not start accidentally.
To assemble the brake
Insert the threaded end of the brake trigger lever into
the hole under the brake system, and tighten the
locknut.
WARNING: Read and understand the
safety chapter before you operate the
product.
Fuel
To use fuel
CAUTION: This product has a two-stroke
engine. Use a mixture of gasoline and
two-stroke engine oil. Make sure to use
the correct quantity of oil in the mixture.
Incorrect ratio of gasoline and oil can
cause damage to the engine.
Gasoline
CAUTION: Do not use gasoline with an
octane number less than 90 RON (87 AKI).
This can cause damage to the product.
CAUTION: Do not use gasoline with more
than 27% ethanol concentration (E27).
This can cause damage to the product.
Safety instructions for maintenance
• If you cannot adjust the idle speed to make the
drill attachment stop, speak to your service
center. Do not use the product until the product is
correctly adjusted or repaired.

Assembly

To assemble the drill
A
B
1. Disassembly the connecting pin (C) from the drill
bit (B), and connect the transmission output shaft
(A) with the drill bit (B).
2. Insert the connecting pin (C) into the connecting
hole of the drill bit (B), and then lock it with elastic
steel wire (D) to ensure that the connecting pin (C)
will not fall off.

Operation

CAUTION: Do not use leaded gasoline.
This can cause damage to the product.
• Always use new unleaded gasoline with a minimum
octane number of 90 RON (87 AKI) and with less
than 27% ethanol concentration (E27).
• Use gasoline with a higher octane number if you
frequently use the product at continuously high
engine speed.
• Always use a good quality unleaded gasoline/oil
mixture.
Two-stroke engine oil
• Use only the two-stroke engine oil of high quality,
especially HUSQVARNA two-stroke oil. Use only
the oil of an air cooled engine.
• Mixture ratio 50:1 (2%).
• Oil of low quality and high oil/fuel ratio can
decrease the lifetime of catalytic converters.
• Speak to your dealer when you select an oil.
• If Husqvarna two-stroke oil is not available, you
can use another two-stroke oil of good quality that
is intended for air cooled engines. Contact your
dealer when you select oil.
D
C
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