Husqvarna 525LST 2014 Parts Manual
![Husqvarna 525LST Trimmer 2014 manual cover](/images/YagNEctAwuwjNhAaDwvTMGnG/thumbs/thumb175x175.webp)
The recommended fuel mixture for the Husqvarna 525LST Trimmer is 50:1, which means 50 parts unleaded gasoline to 1 part two-stroke oil.
To replace the trimmer line, first ensure the trimmer is turned off and disconnected from the power source. Remove the trimmer head cover, take out the spool, and insert the new line following the directional arrows. Reassemble the head and ensure the line is evenly distributed.
Common starting problems include a clogged air filter, old fuel, or a fouled spark plug. Clean or replace the air filter, replace old fuel, and check or replace the spark plug to resolve these issues.
The air filter should be checked before each use and cleaned or replaced as necessary. Regular maintenance is recommended after every 10 hours of operation.
Always wear protective gear, such as gloves, goggles, and hearing protection. Ensure the area is clear of debris and bystanders, and never operate the trimmer barefoot or in open-toed shoes.
Adjust the carburetor by locating the adjustment screws on the carburetor body. Turn the screws according to the manufacturer's guidelines, typically involving adjustments of the idle speed and fuel mixture for optimal performance.
Excessive vibration can be caused by an imbalanced trimmer head or damaged components. Check the trimmer head for damage, ensure it is properly balanced, and inspect other parts for wear and tear. Replace any damaged components.
Clean the trimmer thoroughly, drain the fuel system, and lubricate any moving parts. Store the trimmer in a dry, cool place away from direct sunlight or moisture.
The correct spark plug gap for the Husqvarna 525LST Trimmer is typically 0.5 mm (0.020 inch). Always refer to the user manual for precise specifications.
Power loss can result from a clogged air filter, old fuel, or a dirty exhaust port. Clean or replace the air filter, use fresh fuel, and clean the exhaust port to restore performance.