Husqvarna SG13A manual

Oper a tor´s manual SG13A Please read these instructions car efully and make sur e you understand them bef ore using the machine. English[...]

2 ©2004 Husqvarna. All Rights Reserved. Printed Beatrice, Nebraska[...]

3 T ABLE OF CONTENTS Stump Grinder SG13A Introduction ................................................ 4 Congratulati ons ..................................... 4 Use ........................................................ 4 Insure your machine .............................. 4 Good service ......................................... 4 Serial number .[...]

4 INTRODUCTION Congratulations Thank you for purchasing a Husqvarna stump grinder . Through your confidence in us, you have chosen an exceptionally high quality product. This manual is a valuable document. It describes your new Husqvarna machine. Read the manual carefully before attempting to use the machine. Following the instructions (use, servic[...]

5 SYMBOLS AND DECALS W ARNING! Xxxx xxx xxxx xx xxxx x xxxx. Used in this publication to notify the reader of a risk of personal injury , particularly if the reader DOES NOT follow the instructions given in the manual. IMPOR T ANT INFORMA TION Xxxx xxx xxxx xx xxxx x xxxx. Used in this publication to notify the reader of a risk of material damage ,[...]

6 SYMBOLS AND DECALS Location of decals T ranslation of instructions Decal 3 Important information Read and make sure you understand the Operator ’s Manual before use or maintenance. T o obtain a replacement manual, please contact your dealer . Observe all safety instructions; otherwise you may injure yourself or others around you. Make sure that[...]

7 SAFETY INSTRUCTIONS W ARNING! Under no circumstances may the original design of the machine be modified without written approval from the manufacturer . Such modifications not only affect the performance and durability of the machine but may even pose a safety risk for users and those in the vicinity . Unauthorized modifications to the design of [...]

8 • Husqvarna original spare parts are designed and specified to maintain high quality and correct fit for optimal durability and life-span. From a safety point of view , you should only use Husqvarna original spare parts. • Learn how to use the machine and its controls safely and learn to recognize the safety decals. • Only use the machine f[...]

9 SAFETY INSTRUCTIONS • 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 the machine. • Clear the area of objects such as stones, toys, steel wire, etc. that could become caught in moving machine parts and thrown[...]

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 taking other drugs or medication that can affect your vision, judgment or coordination. • Never use the machine indoors or in spaces lacking proper ventilation. • Make [...]

11 SAFETY INSTRUCTIONS Movement/T ransport • T o turn and steer the machine, press down on the handle and turn on the back wheels. • T urn off the engine and allow it to cool at least 2 minutes before transport. • Collapse the handle if the machine is equipped with a collapsible handle. • Be careful and use safe lifting and moving technique[...]

12 Fuel system • Only store fuel 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 of sparks or open flame. • Never fill the fuel tank indoors[...]

13 SAFETY INSTRUCTIONS 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 beginning repair work. • Keep all co[...]

14 PROTECTIVE EQUIPMENT Personal equipment Consult your Husqvarna dealer when selecting protective equipment. Our dealers have a broad assortment of equipment for professionals such as forestry workers and knowledge about occupational environment requirements and protective levels. Before using the stump grinder , you may in many cases need to cut [...]

15 1. W ASHER (1) 2. COTTER PIN (1) 3. BRAKE HANDLE 4. BRAKE ROD ASSEMBL Y 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 to lower handle bar assembly . See Figure 1.[...]

16 8. Attach the yoke to the brake’s top mounting hole using the clevis pin and cotter pin. Make sure the rod is positioned in the bracket as shown in Figure 4. SET -UP FIGURE 4 NOTE: Adjust the brake before inserting hair pin. T o engage brake, pull back on handle until brake rod assembly goes “over center” and locks the brake ON. T urning t[...]

17 FIGURE 7 SET -UP FIGURE 8 14 . Insert “L” end of throttle cable into the outside hole of the engine throttle control lever . Figure 7. 15 . Attach the throttle cable to the engine using the double wire clamp removed in step nine. Figure 8. 1 6 . T est throttle control by pulling back throttle handle on console. Throttle arm on engine should [...]

18 CONTROLS Presentation Congratulations on your choice of an exceptionally high quality product. This operator ’ s manual describes 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. Brake lever 4. Belt guard for the cutter driv[...]

19 Engine Exterior engine components and controls. 1. Throttle 2. S tarter 3. S t arter handle 4. Fuel valve 5. Choke control 6. Air filter 7. S park plug 8. Muffler 9. Oil dipstick 10 . Oil drainage 1 1. Oil level guard 12 . Engine switch - disconnected use switch on handle bar 13. Fuel tank 14 . Fuel filler cap CONTROLS Throttle The lever on the [...]

20 CONTROLS Starter The starter is of the magnapull type with spring return. T o 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 slowly until the gears mesh. Do not pull out the [...]

21 CONTROLS Spark plug The engine spark plug is hidden under the ignition cable shoe. When performing service, it is important that the engine cannot st art accidentally . For this reason, always remove the ignition cable shoe from the spark plug. T o avoid pulling the cable, the cable shoe is equipped with a special handle; see the illustration. T[...]

22 CONTROLS Fuel tank Underneath the tank, there is a fuel filter combined with 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 the machine with dirty fuel. Make sure the fuel cap is properly tightened and the gasket is not damaged, parti[...]

23 CONTROLS 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 Engine switch on the panel The ON/OFF engine switch can be used to stop the engine. The illustration shows t[...]

24 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. OPERA TION Fuel valve Open the fuel valve. Place the lever all the way to the right. Choke control When starting the engine warm, the lever should be in the right position; see the ill[...]

25 OPERA TION 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 the handle. Starter handle The dead man’s grip must be pressed in when starting the engine. Misuse of the starter handle can damage the starter . DO NOT twist the starter cord around your hand. Pull out t[...]

26 OPERA TION 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 one minute at low speed. DO NOT let front of unit touch ground until you are sure cutting wheel has stopped turning. Engine switch W ait at least 20 seconds, until the blade has stopped. Set t[...]

27 OPERA TION Before you start 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 the machine’s safety decals. • Use a hard hat, ear [...]

28 OPERA TION Using your stump grinder W ARNING! NEVER allow the blade to touch the ground until it has stopped turning. 1. Place the cutting blade near the top front edge of the tree stump. 2. Set the brake to lock position. 3. Set the throttle to SLOW (ST ART) DISENGAGE. 4. Set engine switch on handlebar to ON. 8011-201-chg .[...]

29 OPERA TION 6. Hold in the dead man’s grip bar and start the engine. 7. Allow the engine to warm up for two minutes at idle before grinding. 5. T ilt the machine on its wheels, lifting the cutting wheel off the ground. 8. Set the throttle to F AST to ENGAGE clutch. 9 . Place the middle of the cutting wheel approximately one inch (2.5 cm) above [...]

30 1 1 . Before moving the machine forwards, you should 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. 1 2. Repeat steps 9 through 1 1 until the upper portion of the stump has been[...]

31 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. MAINTENANCE No service operations may be performed on the engine or unit unless: • The engine is stopped. • The ignition cable has been removed from[...]

32 MAINTENANCE 8011-188 IMPORT ANT INFORMA TION Exercise care when reassembling to avoid damaging anything. Make sure when mounting that the air intake screen fits exactly in its guide in the upper portion. Make sure the air channel ends up in the proper position. Cleaning the cyclone filter The cyclone filter collects the largest contaminant parti[...]

33 8011-188 Replacing the 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). 1. Undo the wing nut (1) and lift off the cyclone filter with the air fil[...]

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 reservoir . T ighten it moderately to avoid damaging t[...]

35 IMPORT ANT INFORMA TION Fitting the wrong spark plug type can damage the engine. 8011-027 MAINTENANCE Ignition system The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance. For recommended spark plug, see “T echnical data”. 1 . Remove the ignition cable shoe and clean around the spark plug. 2. Re[...]

36 MAINTENANCE Adjusting the drive belt 1. Remove the belt guard by removing the three acorn nuts and lockwashers on the front of the belt guard. Prevent the engine from being started by removing the ignition cable from the spark plug. W ARNING! 2. Check that the belt is properly tensioned by squeezing the belt together . It should be possible to s[...]

37 IMPORT ANT INFORMA TION The cutters and pockets are mounted on the cutting wheel as illustrated. L = Left mounting R = Right mounting Ensure that the tooth cutters are turned in the cutting direction. 8011-215 MAINTENANCE Disassembling and reassembling the blade, pockets and teeth 7 . Check that the pulleys are aligned using a staright edge alon[...]

38 MAINTENANCE Removing and refitting the wheels T o 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 brake pad (7). The wheel can now be removed from the axle. T o remove the right wheel (2), remove the locking collar (1) and slide the wheel o[...]

39 Adjusting the brake Overcentering type handle activites brakes. Undo clevis pin from brake and turn clockwise to tighten brake or counter clockwise to loosen. T ighten so handle snaps down when locked but unlocks easily when handle is moved forward. Brake is properly adjusted when wheel will not turn when you try to push or pull unit. T wo minut[...]

40 8011-215 LUBRICA TION 801 1-276chg Lubricate using a grease gun until the grease squeezes out, 2 nipples (1, 2). Use good quality high temperature multilith grease (i.e. Mobilith SHC 220 or equal). 1 . Blade shaft bearings Y early 6 Months Weekly Daily 4 Hours 50 Hours 100 Hours 300 Hours[...]

41 IMPORT ANT INFORMA TION Used engine oil is a health hazard and legislation prohibits disposal on the ground or in nature; it should always be disposed of at a workshop or appropriate disposal location. Avoid skin cont act; wash with soap and water in case of spills. Engine oil can be very hot if it is drained directly af ter stopping the machine[...]

42 LUBRICA TION Lubricate using a grease gun until the grease squeezes out, 1 nipple. Use good quality MP grease. Grease from well- known brand names (petrochemical companies, etc.) usually maintains a good quality . 3 . Right wheel Peel back the rubber covers at both of the cable mountings. Grease both ends of the throttle cable and move the contr[...]

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. T urn engine switch to ON. • Fuel system Fuel tank empty . Fill with fuel. Machine stored without Clean tank, sludge reservoir and observing pro[...]

44 TROUBLESHOOTING Problem Possible solutions Belt coming off. 1. Pulleys not aligned. 2. Belt tension is insufficient. Adjust belt tension. Belt engages late 1. T ighten the belt as described in the operator ’s manual. or slips. 2. Reduce cutting depth. Belt not staying tight 1. Check for damage on the axle, pulley or key . Make sure after adjus[...]

45 STORAGE NEVER store an engine with fuel in the tank indoors or in poorly ventilated spaces where fuel vapor can come in contact with open flame, sparks or a pilot light such as in a boiler , hot water tank, clothing drier , etc. Handle the fuel with caution. It is very flammable and careless use can cause serious damage to person and property . [...]

46 TECHNICAL DA T A Engine Honda GX390 Cylinder volume 389 cm 3 (23.7 cu in) Power 13 hp (9.6 kW) at 3600 RPM T orque 26.5 Nm at 2500 RPM Idling speed 1250-1550 RPM S park plug NK BPR6ES DENSO W20EPR-U Fuel tank volume 6.5 liters/1.72 US Gal T ires 4.10-6 (12” pneumatic) Brake Disk - Lever activated Drive Direct Belt Gates HiPower double V -belt [...]

47 WIRING DIAGRAM ENGINE ON/OFF SWITCH (DISCONNECTED) COLOR CODE: Y - YELLOW B - BLACK SP ARK PLUG TRANSISTOR IGNITION MODULE OIL LEVEL GUARD ENGINE HARNESS 109299 CONSOLE HARNESS 109298 ON/OFF SWITCH SAFETY SWITCH Y B B B Y B Y B Y B Y B ON/OFF SWITCH SAFETY SWITCH SP ARK PLUG ENGINE ON/OFF SWITCH (DISCONNECTED) TRANSISTOR IGNITION OIL LEVEL GUARD[...]

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 amount of oil is in the engine and transmission. 5. [...]

49 SERVICE JOURNAL Action Date, stamp, signature[...]

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