Husqvarna SG13A, SG13 - Manuals

7 SAFETY INSTRUCTIONS WARNING! Under no circumstances may the originald e s i g n o f t h e m a c h i n e b e m o d i f i e dw i t h o u t w r i t t e n a p p r o v a l f r o m t h emanufacturer. Such modifications noto n l y a f f e c t t h e p e r f o r m a n c e a n ddurability of the machine but...

9 SAFETY INSTRUCTIONS • Make sure nobody else is in the vicinity of themachine when you start the engine, engage thedrive or run the machine. • Make sure animals and people maintain a safedistance from the machine. • Clear the area of objects such as stones, toys,steel wire, etc. that could become c...

10 SAFETY INSTRUCTIONS 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 takingother drugs or medication that can affect yourvision, judgment or coordination. • Never use the machine indoors or in spa...

11 SAFETY INSTRUCTIONS Movement/Transport • To turn and steer the machine, press down onthe handle and turn on the back wheels. • Turn off the engine and allow it to cool at least 2minutes before transport. • Collapse the handle if the machine is equippedwith a collapsible handle. • Be careful and u...

12 Fuel system • Only store fuel in containers approved for thatpurpose. • Never remove the fuel cap and fill the fuel tankwhen the engine is running. • Always stop the engine when refueling. • Do not smoke when filling the gasoline tank anddo not pour gasoline in the vicinity of sparks oropen flame...

13 SAFETY INSTRUCTIONS Maintenance • Never make adjustments with the enginerunning. • Disengage the drive units, shut off the engineand wait until all moving parts come to acomplete stop before making adjustments,p e r f o r m i n g m a i n t e n a n c e o r c l e a n i n g t h emachine. • D i s c o...

14 PROTECTIVE EQUIPMENT Personal equipment Consult your Husqvarna dealer when selectingprotective equipment. Our dealers have a broadassortment of equipment for professionals sucha s f o r e s t r y w o r k e r s a n d k n o w l e d g e a b o u toccupational environment requirements andprotective le...

15 1. WASHER (1)2. COTTER PIN (1) 3. BRAKE HANDLE4. BRAKE ROD ASSEMBLY SET-UP Equipment set-up 1. Remove crate top and sides. 2. Remove upper handle bar assembly and lay aside. 3. Open bag containing loose hardware. 4. Using four (4) screws, flat washers and nuts attach the upper handle bar assembly...

18 CONTROLS Presentation Congratulations on your choice of an exceptionallyhigh quality product. This operator ’s manualdescribes the Husqvarna stump grinder. The machine is equipped with a 13 hp Honda four-cycle engine. Main components and operating controls 1. Handle 2. Dead man’s grip bar 3. Brak...

19 Engine Exterior engine components and controls. 1. Throttle 2. Starter 3. Starter handle 4. Fuel valve 5. Choke control 6. Air filter 7. Spark plug 8. Muffler 9. Oil dipstick 10. Oil drainage 11. Oil level guard 12. Engine switch - disconnected use switch on handle bar 13. Fuel tank 14. Fuel fill...

20 CONTROLS Starter The starter is of the magnapull type with springreturn. 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 slow...

21 CONTROLS Spark plug The engine spark plug is hidden under the ignitionc a b l e s h o e . W h e n p e r f o r m i n g s e r v i c e , i t i simportant that the engine cannot start accidentally.For this reason, always remove the ignition cableshoe from the spark plug. To avoid pulling the cable,th...

22 CONTROLS Fuel tank Underneath the tank, there is a fuel filter combinedwith the fuel valve. The tank volume is 1.72 Gal.(6.5 liters) Fueling Read the safety instructions before fueling. Keep the fuel and fuel tank clean. Avoid filling themachine with dirty fuel. Make sure the fuel cap isproperly ...

23 CONTROLS Throttle The lever controls engine speed. With the lever down, the engine runs at idle andfunctions as start position. When the engine speed increases, the centrifugalclutch drive automatically engages the cuttingwheel. On/Off Engine switch on the panel The ON/OFF engine switch can be us...

24 Starting the engine Check that all daily maintenance as described inthe maintenance schedule has been performed.Check that there is sufficient fuel in the tank. OPERATION Fuel valve Open the fuel valve. Place the lever all the way tothe right. Choke control When starting the engine warm, the leve...

25 OPERATION Engine switch on the handle Set the toggle switch to ON. Dead man’s grip bar Hold in the bar for the dead man’s grip against thehandle. Starter handle The dead man’s grip must be pressed in whenstarting the engine. Misuse of the starter handle can damage the starter.DO NOT twist the sta...

26 OPERATION Normal shutdown Throttle Set the throttle to SLOW/DISENGAGE. If the engine has been running full out, let it runeasily for about 30 seconds to one minute at lowspeed. DO NOT let front of unit touch ground until you aresure cutting wheel has stopped turning. Engine switch Wait at least 2...

27 OPERATION Before you start Dig away the earth and remove any stones nearthe 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 powersaw. • Review all of the machine’s...

28 OPERATION Using your stump grinder WARNING! NEVER allow the blade to touch theground until it has stopped turning. 1. Place the cutting blade near the top front edgeof the tree stump. 2. Set the brake to lock position. 3. S e t t h e t h r o t t l e t o S L O W ( S TA R T )DISENGAGE. 4. Set engin...

29 OPERATION 6. Hold in the dead man’s grip bar and start theengine. 7. Allow the engine to warm up for two minutes at idle before grinding. 5. Tilt the machine on its wheels, lifting the cuttingwheel off the ground. 8. Set the throttle to FAST to ENGAGE clutch. 9. P l a c e t h e m i d d l e o f t ...

30 11. Before moving the machine forwards, you should ensure that the cutting wheel is abovethe ground and located on either side of thestump. Move the machine forward by releasingthe brake, pushing it forward, activating thebrake again and repeating steps 9 and 10. 12. Repeat steps 9 through 11 unt...

31 Maintenance schedule The following is a list of maintenance procedures that MUST be performed on the machine. For thosepoints not described in this manual, visit an authorized service workshop. MAINTENANCE No service operations may be performed on the engine or unit unless: • The engine is stoppe...

32 MAINTENANCE 8011-188 IMPORTANT INFORMATION Exercise care when reassembling to avoiddamaging anything. Make sure when mounting that the airintake screen fits exactly in its guide inthe upper portion. Make sure the air channel ends up in theproper position. Cleaning the cyclone filter The cyclone f...

33 8011-188 Replacing the air filter If the engine seems weak, produces black smokeor runs unevenly, the air filter may be clogged. Forthis reason, it is important to clean and replace theair filter regularly (see the maintenance schedulefor the proper service interval). 1. Undo the wing nut (1) and...

34 MAINTENANCE Cleaning the sludge reservoir 1. Close the fuel valve. 2. Unscrew the sludge reservoir (2). Make sure not to misplace the o-ring (1). 3. Clean the reservoir and the o-ring using a cleaning solvent and dry carefully. 4. Put the o-ring in place in its track and replace the sludge reserv...

35 IMPORTANT INFORMATION Fitting the wrong spark plug type candamage the engine. 8011-027 MAINTENANCE Ignition system The engine is equipped with an electronic ignitionsystem. Only the spark plug requires maintenance. For recommended spark plug, see “Technicaldata”. 1. Remove the ignition cable shoe...

36 MAINTENANCE Adjusting the drive belt 1. Remove the belt guard by removing the three acorn nuts and lockwashers on the front of thebelt guard. Prevent the engine from being started byremoving the ignition cable from the sparkplug. WARNING! 2. Check that the belt is properly tensioned by squeezing ...

37 IMPORTANT INFORMATION The cutters and pockets are mounted onthe cutting wheel as illustrated. L = Left mounting R = Right mounting Ensure that the tooth cutters are turnedin the cutting direction. 8011-215 MAINTENANCE Disassembling and reassemblingthe blade, pockets and teeth 7. Check that the pu...

38 MAINTENANCE Removing and refitting the wheels To remove the left wheel (8) from the stump grinder,remove the locking collar (9), the 1/4” screws (10),the 1/4” hex nuts (3), the springs (4) and the brakepad (7). The wheel can now be removed from theaxle. To remove the right wheel (2), remove the l...

39 Adjusting the brake Overcentering type handle activites brakes. Undo clevis pin from brake and turn clockwise totighten brake or counter clockwise to loosen. Tighten so handle snaps down when locked butunlocks easily when handle is moved forward.Brake is properly adjusted when wheel will not turn...

40 LUBRICATION 8011-276chg Yearly 6 M o n t h s Weekly Daily 4 H o u r s 50 H o u r s 100 H o u r s 300 H o u r s

43 TROUBLESHOOTING Symptom Cause Action The engine will not start • User error Fuel valve closed. Open the fuel valve. Choke valve open. Close the choke with cold engine. Engine switch in OFF position. Turn engine switch to ON. • Fuel system Fuel tank empty. Fill with fuel. Machine stored without Cl...

44 TROUBLESHOOTING Problem Possible solutions Belt coming off. 1. Pulleys not aligned.2. Belt tension is insufficient. Adjust belt tension. Belt engages late 1. Tighten the belt as described in the operator’s manual. or slips. 2. Reduce cutting depth. Belt not staying tight 1. Check for damage on th...

45 STORAGE NEVER store an engine with fuel in thet a n k i n d o o r s o r i n p o o r l y v e n t i l a t e dspaces where fuel vapor can come incontact with open flame, sparks or a pilotlight such as in a boiler, hot water tank,clothing drier, etc. Handle the fuel withcaution. It is very flammable ...

46 TECHNICAL DATA Engine Honda GX390 Cylinder volume 389 cm 3 (23.7 cu in) Power 13 hp (9.6 kW) at 3600 RPM Torque 26.5 Nm at 2500 RPM Idling speed 1250-1550 RPM Spark plug NK BPR6ESDENSO W20EPR-U Fuel tank volume 6.5 liters/1.72 US Gal Tires 4.10-6 (12” pneumatic) Brake Disk - Lever activated Drive...

47 WIRING DIAGRAM ENGINE ON/OFFSWITCH(DISCONNECTED) COLOR CODE:Y - YELLOWB - BLACK SPARKPLUG TRANSISTORIGNITION MODULE OIL LEVELGUARD ENGINE HARNESS109299 CONSOLE HARNESS109298 ON/OFFSWITCH SAFETYSWITCH Y B B B Y B Y B Y B Y B ON/OFFSWITCH SAFETYSWITCH SPARKPLUG ENGINE ON/OFFSWITCH(DISCONNECTED) TRA...

48 SERVICE JOURNAL Action Date, stamp, signature Delivery service 1. Break the packaging and make sure the machine has not been damaged in transport. 2. Where applicable, assembly accompanying components. 3. Check that the machine design corresponds to the customer order. 4. Check that the right amo...