Operation - Husqvarna 525LK Operator's Manual

7. Turn the trimmer head /plastic blades (H) in the
opposite direction from which the trimmer head/
plastic blades rotates.
H
To disassemble the cutting attachment
guard and trimmer head
1. Turn the trimmer head /plastic blades (H) in the
direction from which the trimmer head/plastic blades
rotates.
H
Fuel
This product has a two-stroke engine.
CAUTION:
result in engine damage. Use a mixture of
gasoline and two-stroke oil.
Gasoline
CAUTION:
gasoline/oil mixture of at least 90 octane
(RON). There is a risk that use of lower
octane grade causes knocking. This gives
rise to high engine temperature, which can
result in serious engine damage.
CAUTION:
with a catalytic converter use a good quality
1027 - 003 - 09.06.2022
H
H

Operation

Incorrect type of fuel can
Always use a quality
If your product is equipped
2. Pull the locking pin (C) out from the hole to unlock
the shaft.
3. Remove the drive disc (B) on the output shaft.
4. Loosen the bolt(L) from the cutting attachment
guard-fitting on the shaft.
A
5. Remove the cutting attachment guard (A).
unleaded gasoline/oil mixture. Leaded
gasoline will destroy the catalytic converter.
• Use low-emission gasoline, also know as alkylate
gasoline, if it is available.
• Ethanol blended fuel, E10 may be used (max 10%
ethanol blend). Using ethanol blends higher than
E10 will cause lean running condition which can
damage the engine.
• We recommend a higher octane rating when you do
work at continuous high speed.
B
C
A
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