Husqvarna FS 513, FS 520, and FS 524 Parts Manual & Identification Guide
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PARTS IDENTIFICATION (WHAT IS WHAT)

AA.Emergency Stop Switch: Depress Switch to STOP engine in emergencies. Reset by pulling outward (pull up) to allow re-starting of machine.

BB.Tool Compartment: Contains Operation Manual, Parts List, & two wrenches (T & U) (13mm & 27mm). Open by turning knob 180 degrees. Always return Opera- tion Manual to this area for future reference.

CC.Engine Throttle: Controls Engine speed (RPM). Push forward to increase engine speed. Pull backwards to decrease engine speed. All sawing is done at maxi- mum engine speed.

DD.Engine Start Switch:

FS 513: Located on engine, behind Front Cover (V). Must be ON (1) to start engine. Use to turn engine OFF (“0”) in non-emergency situations.

FS 520 & FS 524 (Electric Start): A key switch located on lower left side of console. Turn key clockwise to start engine.

EE.Blade Depth Control: Turn Counter-Clockwise to raise Diamond Blade (H) and Clockwise to lower Diamond Blade (H).

FF.Blade Depth Stop: To Lock Blade Depth Control (EE) in position. Pull Blade Depth Stop toward rear of machine and turn 90 degrees to lock in open position.

GG.Blade Depth Indicator: Shows cutting depth of Dia- mond Blade (H) in centimeters (orange color) and inches (white color). Operation: With engine OFF (“0”), lower Diamond Blade (H) until in contacts the cutting surface. Rotate Blade Depth Indicator to align “0” with arrows. Raise Saw. When saw is lowered into cut, current cutting depth is shown.

HH.Engine Tachometer (RPM): Shows engine speed in revolutions per minute if engine is running. Shows total operation time when engine is OFF (“0”). Total operation time shown in minutes from 0-59 minutes, and hours for 60+ minutes.

II.– – –

JJ.Rear Handle: Operator position is behind machine with both hands on Rear Handle. Handle is adjustable to several positions.

KK1. Water Control Valve: Controls water flow to blade. Located on Left side of machine, near Rear Handle (JJ). Not used with the water tank (if equipped).

KK2. Blade Guard Water Control Valve: Controls the water flow to the blade. Located on blade guard. Used with water tank (if equipped).

LL.Belt Guard (Not Shown): Covers engine drive belt.

MM.Belt Drive Idler: Used to hold tension on Blade Shaft Drive Belt.

NN.Oil Drain Hose: Use to remove oil from engine.

OO.Parking Brake (EU units): Used to hold machine in parked position. With engine OFF (0), apply the brake by moving Transmission Engagement Lever (PP), to the “Engaged” position. Move lever to dis-engaged position before starting engine!

PP.Transmission Engagement Lever: MUST BE in rear (dis-engaged) position to start engine for FS 520 and FS 524 (Neutral Start function). Push forward to engage transmission. Push rearward to dis-engage transmission. With transmission dis-engaged, machine can be moved with engine turned OFF (0). See “OO. Parking Brake” for additional information.

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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 General Information Poison Exhaust GASDO’s and do NOT’s Safety Instructions Safety FirstDo not Page Water Tank / Lifting Point Support Holds Water Tank Parts Identification What is WhatDD. Engine Start Switch AAA BBB Assembly Install Front Pointer a Blade Guard Front DRe-Position Blade Depth Control Handle EE Torque Lifting Eye NUT to 83 N-m 61 lb-ft mini Mum Install Water Tank P if equippedAssembly Filling Water Tank Operation Before OperationRe-Locating the Blade Guard C If Required Parking Machine Parking Brake Engage See DiagramTransporting & Lifting Machine Lifting machine equipped with Water TankAll Models FS 520, FSParking Brake Dis-engage See Dia gram Gasoline Engine ModelsFitting the Diamond Blade H Starting and cutting with machine Starting FSFS 520 / FS 524 Remove Fuel in Engine Extended Periods of Non-Operation Two Weeks or GreaterMaintenance & Lubrication FS 520 / FSReplacing Engine Air Filter S FS 520 / FS Engine Oil Checking Engine OilChanging Engine Oil Battery Maintenance FS 520 / FSModel Blade Shaft Engine Governor SpeedHydrostatic Transmission Belt WW Belt Tension Service of Hydrostatic Transmission TT MainteHydrostatic Transmission Belt and Sheave WearTrouble 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 Husqvarna Construction Products North America Conformity CertificatesConstruction Products, North America Corporate Office Contact Information542 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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