Husqvarna Maintenance and Hydrostatic Transmission for Models - Belt Replacement and Troubleshooting
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MAINTENANCE & LUBRICATION

Hydrostatic Transmission:

Service of Hydrostatic Transmission (TT): Mainte-

nance free for life of machine.

Transmission Drive Belts: Remove guards shown in diagram as right to access transmission drive belts.

•Transmission Drive Tensioner Belt (UU):

Belt Tension:

1.Check tension when machine is new.

2.Re-check tension after 1-2 hours of operation and re-tighten to original tension if required - see steps 3-5 below.

3.Lossen Bolts that hold Transmission Drive Tensioner (V V) in place.

4.Move tensioner (V V) toward rear of machine to increase tension.

5.Re-tighten bolts.

Belt and Sheave Wear:

Check every 50 hours for wear on belt and sheaves. Replace if worn.

•Hydrostatic Transmission Belt (WW):

Belt Tension:

Checking tension is not required. Hydrostatic Transmission Belt Tensioner (ZZ) is a spring loaded self tensioning idler. Check for wear or damage to idler spring - replace if required.

Belt and Sheave Wear:

Check every 50 hours for wear on belt and sheaves. Replace if worn.

Replace guards shown in diagram as right before start- ing engine.

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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 California Prop 65 Warning Safety InstructionsGeneral use 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 Re-Position Blade Depth Control Handle EE Install Front Pointer aBlade Guard Front D Install Water Tank P if equipped Torque Lifting Eye NUT to 83 N-m 61 lb-ft mini MumAssembly Filling Water Tank Re-Locating the Blade Guard C If Required OperationBefore Operation Parking Brake Engage See Diagram Transporting & Lifting MachineLifting machine equipped with Water Tank Parking MachineFS 520, FS Parking Brake Dis-engage See Dia gramGasoline Engine Models 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 EngineReplacing Engine Air Filter S Maintenance & LubricationFS 520 / FS Engine Oil Checking Engine Oil FS 520 / FSBattery Maintenance FS 520 / FS Changing Engine OilGovernor Speed Model Blade Shaft EngineService of Hydrostatic Transmission TT Mainte Hydrostatic TransmissionBelt and Sheave Wear Hydrostatic Transmission Belt WW Belt TensionEngine Will Not Start Cause Action Trouble Shooting GuideDiamond Blade Trouble Shooting Problem Cause & Action Wiring Diagram FS QTY Description Wiring Diagram FS SWITCH, ENG. OIL LEVEL, Honda Wiring Diagram FS Model Maximum Vibration Aeq in m/s Maximum Exposure Time Technical DataSound Level Model Nominal Maximum Mass-kg lbs Blade Size Maximum Blade Cutting DepthModel 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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