Husqvarna Essential Maintenance and Care Tips for Your Chainsaw
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MAINTENANCE & LUBRICATION

Changing Engine Oil:

•Turn machine Start Switch (DD) to OFF (0) position. Let engine cool. Use Depth Control (EE) to tilt machine slightly backwards.

•Reposition Oil Drain Hose (NN) to side of machine. Set a suitable container, large enough to hold engine oil capacity, beside machine to catch oil.

•Open end of Oil Drain Hose (NN), and let oil drain into container. After oil is drained, replace Oil Drain Hose (NN) end, tighten securely, return hose to original position.

•Fill engine with recommended quantity of oil - see en- gine manual for details.

•Dispose of used oil in an environmentally safe manner.

Battery Maintenance (FS 520 / FS 524):

This engine starting battery (RR) is a sealed unit and will never require the addition of water. Keep the top of the battery and the cable connections clean and free of corrosion. Coat the connections with a high tempera- ture grease or petroleum jelly. Periodically check the battery by measuring its voltage with a DC voltmeter. A fully charged battery will be 12.8 volts. It is recom- mended that voltage checking and charging be done at the battery cable on the starter motor at the front of the saw.

Charge battery at least once a month. Charging can be done by running engine for at lease 30 minutes or connect battery to a trickle charger (2 amps or less) for 8 hours. If battery will not start engine, it is recom- mended that battery be replaced or charged with a trickle charger (2 amp rating or less).

NOTICE

A fully charged battery will be 12.8 volts.

Jump starting this equipment from a larger battery or boost charger is not recommended. Doing so could cause permanent damage to the internal battery.

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Contents FS 513, FS 520, FS Page Contents and Introduction Symbols and Decals Symbols and Decals Symbols and Decals Symbols and Decals 543 04 57-88SOUND Level 108dBA Safety Instructions General useCalifornia Prop 65 Warning Poison Exhaust GAS General InformationSafety Instructions Safety First DO’s and do NOT’sDo not Page Parts Identification What is What Water Tank / Lifting Point Support Holds Water TankDD. Engine Start Switch AAA BBB Assembly Install Front Pointer a Blade Guard Front DRe-Position Blade Depth Control Handle EE Install Water Tank P if equipped Torque Lifting Eye NUT to 83 N-m 61 lb-ft mini MumAssembly Filling Water Tank Operation Before OperationRe-Locating the Blade Guard C If Required Lifting machine equipped with Water Tank Parking Brake Engage See DiagramTransporting & Lifting Machine Parking MachineGasoline Engine Models FS 520, FSParking Brake Dis-engage See Dia gram All ModelsFitting the Diamond Blade H Starting FS Starting and cutting with machineExtended Periods of Non-Operation Two Weeks or Greater FS 520 / FS 524 Remove Fuel in EngineMaintenance & Lubrication FS 520 / FSReplacing Engine Air Filter S Engine Oil Checking Engine Oil FS 520 / FSBattery Maintenance FS 520 / FS Changing Engine OilGovernor Speed Model Blade Shaft EngineBelt and Sheave Wear Service of Hydrostatic Transmission TT MainteHydrostatic Transmission Hydrostatic Transmission Belt WW Belt TensionTrouble Shooting Guide Diamond Blade Trouble Shooting Problem Cause & ActionEngine Will Not Start Cause Action Wiring Diagram FS QTY Description Wiring Diagram FS SWITCH, ENG. OIL LEVEL, Honda Wiring Diagram FS Technical Data Sound LevelModel Maximum Vibration Aeq in m/s Maximum Exposure Time Blade Size Maximum Blade Cutting Depth ModelModel Nominal Maximum Mass-kg lbs Accessories Conformity Certificates Husqvarna Construction Products North AmericaContact Information Construction Products, North America Corporate Office542 20

FS 520, FS 513, FS 524 specifications

Husqvarna, a renowned name in outdoor power equipment, offers a robust range of walk-behind floor saws designed for professionals and contractors. Among their offerings, the FS 524, FS 513, and FS 520 stand out as exceptional choices, each possessing unique features and technologies that cater to a variety of concrete cutting needs.

The Husqvarna FS 524 is designed for medium-sized jobs and is known for its efficiency and user-friendliness. This model features a powerful engine that delivers consistent performance while minimizing fuel consumption. The FS 524 is equipped with a hand-lever locking for cutting depth, ensuring precision during operation. Its unique design allows for easy transportation and setup, making it ideal for contractors who move between job sites frequently. Moreover, its foldable handlebars enhance compact storage, further improving mobility.

Next in line, the FS 513 is recognized for its compact design and versatility. Engineered for homeowners and small businesses, the FS 513 features a lightweight yet durable construction that doesn't sacrifice performance. With an adjustable depth control and quick-release blade guard, operators can easily change blades and adjust depths without extensive downtime. The robust engine ensures ample power while the vibration-dampening system provides a comfortable experience, reducing operator fatigue over long periods of use.

The FS 520 is a yet more powerful option, suited for larger projects requiring enhanced cutting depth and efficiency. It features the advanced SmartGuard technology, which enhances safety by automatically adjusting the cutting depth based on the blade utilized. The high-performance engine partnered with premium blades allows for deep cuts and efficient material removal, ideal for roadwork and large-scale repairs. The FS 520 also includes a user-friendly control panel that provides easy access to essential functions, ensuring an optimal cutting experience.

All three models utilize Husqvarna’s proprietary technologies, including their state-of-the-art blade cooling system that reduces wear and increases blade life. The ergonomic designs across the FS series help improve operator comfort and control, making these saws suitable for extended periods of use. In summary, the Husqvarna FS 524, FS 513, and FS 520 offer unmatched reliability, performance, and advanced features that empower professionals to tackle concrete cutting projects with confidence and precision.
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