Husqvarna FS 513, FS 524 Maintenance & Lubrication, FS 520 / FS, Replacing Engine Air Filter S

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MAINTENANCE & LUBRICATION

SCHEDULED MAINTENANCE QUICK REFERENCE:

Before performing any maintenance, ALWAYS park the machine on a level surface with the engine “OFF” and the engine switch set in the “OFF” position. Let the machine cool down! Other maintenance and repairs should only be carried out by a qualified technician.

SERVICE DAILY:

1.Check engine oil level.

2.Check blade guard for damage.

3.Check engine air filter, replace if dirty. Service sooner if used in dusty conditions.

4.Clean machine daily.

SERVICE EVERY 50 HOURS:

1.Replace engine oil and filter.

2.Clean engine/motor air fins.

3.Lubricate Depth Control Grease Fitting (X).

4.Check wheels for wear or damage.

5.Check blade drive belt tension.

FS 513:

Replacing Engine Air Filter (S):

If the engine seems weak, produces black smoke or runs unevenly, the air filter may be clogged. For this reason, it is important to clean and replace the air filter regularly. Check engine manual for detailed instructions. Cleaning/replacement of the air filter is carried out as fol- lows:

1.Undo the wing nut (S1) and lift off the cyclone air filter cowling (S2).

2.Remove the foam rubber pre-filter (S3) and clean using a mild detergent. Squeeze it dry with a clean cloth. Soak it with new engine oil. Squeeze out excess oil.

3.Remove the wing nut (S4) in the air filter and remove the paper filter (S5). Tap the paper filter against a fixed surface to remove dust. If the paper filter is still dirty or damaged, it MUST be replaced.

NOTICE

DO NOT use compressed air over 2 bar / 30 PSI to clean the paper filter.

DO NOT wash paper filter. DO NOT oil paper filter.

4.Refit the air filter as follows:

Mount the paper filter in the air filter housing and tighten the wing nut.

5.Refit foam rubber pre-filter (S3) on the paper filter (S5).

6.Refit with the air filter cowling (S2).

FS 520 / FS 524:

The air filter on these models are “Snorkel Type” and are supplied by engine manufacture. See engine operation manual for service information. If used in dusty condi- tions, use the recommended service interval shown in this document.

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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 General use Safety InstructionsCalifornia 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 Blade Guard Front D Install Front Pointer aRe-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 Before Operation OperationRe-Locating the Blade Guard C If Required 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 EngineFS 520 / FS Maintenance & LubricationReplacing Engine Air Filter S 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 TensionDiamond Blade Trouble Shooting Problem Cause & Action Trouble Shooting GuideEngine Will Not Start Cause Action Wiring Diagram FS QTY Description Wiring Diagram FS SWITCH, ENG. OIL LEVEL, Honda Wiring Diagram FS Sound Level Technical DataModel Maximum Vibration Aeq in m/s Maximum Exposure Time Model Blade Size Maximum Blade Cutting DepthModel 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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