Husqvarna SG13B - Manuals

SYMBOLS AND DECALS 6 - HUSQVARNA ON OFF Decal 3Important information Read and make sure you understand the Operator’s Manual before use or maintenance.To obtain a replacement manual, contact your dealer.Observe all safety instructions; otherwise you may injure yourself or others.Make sure the machin...

SAFETY HUSQVARNA -7 General use This manual is a valuable document. Read the contents carefully before using or servicing the machine. The following of instructions (use, service, maintenance, etc.) by all who operate this machine is important for the safety of the operator and others.It can also co...

SAFETY 8 - HUSQVARNA Follow all safety instructions. Failure to do so may • result in injury to yourself or others.Accident prevention regulations, other general • safety regulations, occupational safety rules and traffic regulations must be followed without fail. All users shall be trained in use o...

SAFETY HUSQVARNA -9 Preparations Make sure that you always have first aid • equipment at hand when using the machine.Make sure nobody else is in the vicinity of the • machine when you start the engine, engage the drive or run the machine.Make sure animals and people maintain a safe • distance from t...

SAFETY 10 - HUSQVARNA Operating Do not use the machine on grades of more than • 10°.Do not use the machine if you are tired, if you • have consumed alcohol, or if you are taking other drugs or medication that can affect your vision, judgment or coordination.Never use the machine indoors or in spaces...

SAFETY HUSQVARNA -11 Movement/Transport To turn and steer the machine, press down on the • handle and turn on the back wheels.Turn off the engine and allow it to cool at least two • minutes before transport.Fold the handle down if the machine is equipped • with a collapsible handle.Use safe lifting ...

SAFETY 12 - HUSQVARNA Fuel System Store fuel only in containers approved for that • purpose. Never remove the fuel cap and fill the fuel tank • when the engine is running. Always stop the engine when refueling. • Do not smoke when filling the gasoline tank and • do not pour gasoline in the vicinity ...

SAFETY HUSQVARNA -13 Maintenance Never make adjustments with the engine running. • Disengage the drive units, shut off the engine and • wait until all moving parts come to a complete stop before making adjustments, performing maintenance or cleaning the machine.Disconnect the spark plug cable before...

PROTECTION EQUIPMENT 14 - HUSQVARNA Personal Protection Equipment Consult your Husqvarna dealer when selecting protective equipment. Dealers have a broad assortment of equipment for professionals (such as forestry workers) and knowledge about occupational environment requirements and protective leve...

SET-UP HUSQVARNA -15 Remove crate top and sides. 1. Remove upper handle bar assembly and lay aside. 2. Open bag containing loose hardware. 3. Using four (4) screws, flat washers and nuts attach 4. the upper handle bar assembly to lower handle bar assembly. NOTE: Handle fit is tight. When aligning ho...

SET-UP 16 - HUSQVARNA Set the brake rod assembly into the brake bracket. 7. The brake rod assembly needs to be adjusted before connecting the yoke to the brake. Turning the yoke clockwise shortens the rod, tightening the grip on the brake disc by the brake pads. Counterclockwise loosens the clamping...

CONTROLS 18 - HUSQVARNA Main Components and Controls Handle 1. Operator Presence Grip Bar 2. Brake Lever 3. Cutter Drive Belt Guard 4. Front Lifting Handles 5. Cutting Wheel 6. 1 2 3 4 5 6 7 8 9 10 11 5 8 Engine 7. Rear Lifting Handles 8. Handle Adjustment Bar 9. Throttle 10. Engine Switch 11. 8064-...

CONTROLS HUSQVARNA -19 Engine Exterior engine components and controls. Speed control lever 1. Starter handle 2. Air filter 3. Muffler 4. Fuel Valve 5. Choke control 6. Oil drainage 7. Speed Control Lever The speed control lever on the engine is normally not used. It is connected to the throttle on t...

CONTROLS 20 - HUSQVARNA Starter The magnapull-type starter has spring return. To replace the return spring or starter cord, contact an authorized service workshop. Starter Handle Misuse of the starter handle can damage the starter. Do not twist the starter cord around your hand.Pull out the handle s...

CONTROLS HUSQVARNA -21 Air Filter The engine air filter consists of a cyclone filter and a fine filter. Air is drawn in through the screen (1) on the cyclone filter and coarser pollutants collect in the container (2).The fine filter, consisting of a foam rubber pre-filter and a paper filter cartridg...

CONTROLS 22 - HUSQVARNA Oil Dipstick The dipstick for the crankcase oil reservoir is located on the front of the engine. Refill the engine oil in the hole where the dipstick fits.When checking the oil level, the dipstick should not be screwed in. The machine should be parked on even ground with the ...

CONTROLS HUSQVARNA -23 Fuel Tank Underneath the tank, there is a fuel filter combined with the fuel valve. Tank capacity is 1.72 gallons (6.5 liters) Fueling Read the safety instructions before fueling. Keep the fuel and fuel tank clean. Avoid filling the machine with dirty fuel. Make sure the fuel ...

CONTROLS 24 - HUSQVARNA Throttle The lever controls engine speed. With the lever down, the engine runs at idle and functions as start position. When the engine speed increases, the centrifugal clutch drive automatically engages the cutting wheel. ON OFF Operator Presence (OP) Grip Bar The bar must b...

CONTROLS HUSQVARNA -25 Brake The lever activates a disk brake on the left wheel when it is pulled backwards. The brake should always be activated when the grinder is parked, is being transported or when it is in operation WARNING!NEVER operate a machine with a defective brake. Handle Adjustment Bar ...

OPERATION 26 - HUSQVARNA Preparation Dig away the earth and remove any stones near • the tree stump that may interfere with your work. Check that the ground is free of foreign objects, such as electrical cables, barbed wire, etc.Cut or trim the stump as necessary using a power • saw.Review all of th...

OPERATION HUSQVARNA -27 Starting The Engine Check that all daily maintenance as described in the maintenance schedule has been performed. Check that there is sufficient fuel in the tank. Fuel valve Open the fuel valve. Push the lever fully to the right. Choke control When starting the engine warm, t...

OPERATION 28 - HUSQVARNA Handle Engine Switch Set the toggle switch to ON. Engine ON/OFF Switch The switch on the engine is disconnected. Use the Handle Engine Switch. ON OFF 8060-026 OP Grip Bar Hold in the bar for the OP grip bar against the handle. 8011-127 Starter Handle The OP grip bar must be ...

OPERATION HUSQVARNA -29 Procedure Place the cutting blade near the top front edge of 1. the tree stump.Set the brake to lock position. 2. WARNING!NEVER allow the blade to touch the ground until it has stopped turning ON OFF 8060-026 Set the throttle to SLOW (START) DISENGAGE. 3. Set engine switch on...

OPERATION 30 - HUSQVARNA IMPORTANT INFORMATIONIf the cutting wheel is too low, the machine may start to “climb” over the stump and become unstable. Tilt the machine on its wheels, lifting the cutting 5. wheel off the ground.Hold in the OP grip bar and start the engine. 6. Allow the engine to warm up...

OPERATION HUSQVARNA -31 Before moving the machine forwards, you should 11. ensure that the cutting wheel is above the ground and located on either side of the stump. Move the machine forward by releasing the brake, pushing it forward, activating the brake again and repeating Steps 9 and 10.Repeat St...

OPERATION 32 - HUSQVARNA Normal Shutdown Throttle Set the throttle to SLOW/DISENGAGE. If the engine has been running full out, let it run easily for about 30 seconds to 1 minute at low speed.DO NOT let front of unit touch ground until you are sure cutting wheel has stopped turning. Engine switch Wai...

MAINTENANCE HUSQVARNA -33 Maintenance Schedule The following is a list of maintenance procedures that MUST be performed on the machine. For those points not described in this manual, visit an authorized service workshop. 1) First change after 20 hours. 2) In dusty conditions maintenance is required ...

MAINTENANCE 34 - HUSQVARNA Cyclone Filter The cyclone filter collects the largest contaminant particles, which collect in the container. When you can see a layer of dirt at the bottom of the container, the cyclone housing (1), air channels and air intake screen (2) must be cleaned. IMPORTANT INFORMA...

MAINTENANCE HUSQVARNA -35 Air Filter 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 (see the maintenance schedule for the proper service interval). For cleaning or replacem...

MAINTENANCE 36 - HUSQVARNA 8011-031 Remove the wing nut in the air filter and remove 3. the paper filter. IMPORTANT INFORMATIONDO NOT use compressed air over 2 bar/30 PSI to clean the paper filter.DO NOT wash the paper filter.DO NOT oil the paper filter. 8011-032 Tap the paper filter against a fixed...

MAINTENANCE HUSQVARNA -37 WARNING!Risk for carbon monoxide poisoning. Perform the adjustment outdoors. 8011-128 Unscrew the sludge reservoir (1). Make sure not to 2. misplace the o-ring (2).Clean the reservoir and the o-ring using a cleaning 3. solvent and dry carefully.Put the o-ring in place in it...

MAINTENANCE 38 - HUSQVARNA IMPORTANT INFORMATIONFitting the wrong spark plug type can damage the engine. 8011-027 Ignition System The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance.For recommended spark plug, see “Technical data”. Remove the ignition ...

MAINTENANCE HUSQVARNA -39 Drive Belt Remove the belt guard by removing the three 1. acorn nuts and lockwashers on the front of the belt guard. WARNING!Prevent the engine from being started by removing the ignition cable from the spark plug. 8060-226 8060-227 Check that the belt is properly tensioned...

MAINTENANCE 40 - HUSQVARNA IMPORTANT INFORMATIONIf pulley on cutter head shaft must be moved, the set screws MUST be fully removed, fresh “Loctite 242” put on threads and re-torqued to 100 - 110 in./lbs. (17513 / 19264 N•m). 8011-228 A C B Loosen the locking nuts (B) on the two tension 5. bolts.Turn...

MAINTENANCE HUSQVARNA -41 Removing/Refitting Wheels Left Wheel To remove the left wheel (1) from the stump grinder, remove the locking collar (2), the ¼" screws (3), the ¼" hex nuts (3), the springs (4) and the brake pad (5). The wheel can now be removed from the axle. Right Wheel To remove ...

MAINTENANCE 42 - HUSQVARNA Two Minute Rule The machine may be tipped backward or on its side to facilitate access for cleaning or service, but no longer than 2 minutes.If the machine is held in this position for too long, the engine can be damaged by gasoline draining into the crankcase. Should this...

LUBRICATION 44 - HUSQVARNA Engine Oil The engine should be warm (but not hot) when changing the oil. Warm oil flows out faster and leaves a smaller quantity of old oil inside the engine. Place a suitable container underneath the oil 1. drainage screw. Remove the oil dipstick and the oil drainage scr...

LUBRICATION HUSQVARNA -45 Right wheel Lubricate using a grease gun until the grease squeezes out one nipple.Use good quality MP grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a good quality. Throttle cable Peel back the rubber covers at both of the cable...

TROUBLESHOOTING 46 - HUSQVARNA PROBLEM CAUSE ACTION Engine will not start User error Fuel valve closedChoke valve openEngine switch in OFF position Open the fuel valveClose the choke with cold engineTurn the engine switch to ON Fuel system Fuel tank emptyMachine stored without observing proper proce...

TROUBLESHOOTING HUSQVARNA -47 PROBLEM CAUSE ACTION Belt comes off Pulleys not aligned Belt tension is insufficient Adjust belt tension Belt engages late or slips Tighten the belt as described in the operator’s manualReduce cutting depth Belt not staying tight after adjustment Damaged axle, pulley or...

STORAGE 48 - HUSQVARNA Winter Storage At the end of the season, the machine should be readied for storage (or if it will not be in use for longer than 30 days). Fuel allowed to stand for long periods of time (30 days or more) can leave sticky residues that can plug the carburetor and disrupt engine ...

TECHNICAL DATA HUSQVARNA -49 Model SG13B / 966042601 Engine Manufacturer Honda Cylinder Volume 337 cc (20.6 cu in) Power 13 hp (9.2 kW at 3600 RPM)* Torque 17.36 ft-lb / 2.4 kg-m at 2500 RPM Idling speed 1250-1550 RPM Oil capacity including filter 2.2 qt / 2.1 liter Spark plug NGK BP6ES or BPR6ES Fu...

SCHEMATICS 50 - HUSQVARNA ENGINE ON/OFF SWITCH (DISCONNECTED) COLOR CODE Y - YELLOW B - BLACK SPARK PLUG TRANSISTOR IGNITION MODULE OIL LEVEL GUARD ENGINE HARNESS ON/OFF SWITCH SAFETY SWITCH CONSOLE HARNESS ON/OFF SWITCH SAFETY SWITCH SPARK PLUG ENGINE ON/OFF SWITCH (DISCONNECTED) TRANSISTOR IGNITIO...

HUSQVARNA -51 SERVICE JOURNAL Action Date, stamp, signature Delivery service Open packaging and make sure machine has not been damaged in 1. transport. Where applicable, assembly accompanying components. 2. Check that machine design corresponds to customer order. 3. Check that right amount of oil is...