Husqvarna 966042601 Operator'S Manual Download Page 12

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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 beginning

•

repair work.
Keep all components in serviceable condition and

•

make sure all nuts, bolts and other hardware are

tight. Replace worn or damaged decals.
Be careful when checking work tools. Use gloves

•

when performing maintenance work.
Never allow persons not trained in the use of the

•

machine to perform service on it.
Always park the machine on even ground before

•

performing maintenance or making adjustments.
Do not disassemble the engine. This can

•

invalidate the engine warranty. Contact the dealer

for questions regarding service or guarantee

matters. Follow all maintenance instructions.
Do not change the setting of governors and avoid

•

running the engine with overly high RPM. If the

engine is run too fast, damage to the machine

components can occur.
Do not modify safety equipment. Check regularly

•

to be sure it works properly. The machine must

not be run with defective or disassembled safety

equipment.

The muffler is designed to maintain sound levels at

•

an approved level and keep direct exhaust away

from the user. Exhaust gases from the engine are

extremely hot and may contain sparks that can

cause fires or burn the user.
Never use a machine with a defective muffler.

•

Reduce the risk of fire by removing grass, leaves

•

and other debris that may have caught in the

machine.

8011-027

Remove the spark plug cable.

8011-210c

Keep the machine clean.

WARNING!
Wait until all moving parts are

completely still before performing

maintenance on the machine. Turn

off the engine and remove the spark

plug cable.

Summary of Contents for 966042601

Page 1: ...Operator Manual SG13B 966042601 2009 03 Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...lutch 23 Operator Presence OP Grip Bar 24 Throttle 24 Control Panel On Off Engine Switch 24 Brake 25 Handle Adjustment Bar 25 operation 26 Preparation 26 Starting The Engine 27 Handle Engine Switch 28 OP Grip Bar 28 Starter Handle 28 Throttle 28 Procedure 29 Operating On Hills 31 Transport 31 Normal Shutdown 32 Emergency Shutdown 32 maintenance 33 Maintenance Schedule 33 Cyclone Filter 34 Air Filt...

Page 3: ...ber The serial number can be found on the printed plate attached to the frame in front of engine The plate includes the following information The machine s type designation MODEL The machine s serial number S N Please state the type designation and serial number when ordering spare parts Insure your machine Contact your insurance company to check on insurance coverage for your new machine You shou...

Page 4: ... follow the instructions given in the manual Used also when there is a potential for misuse or misassembly Decals and machine mounted instructions 1 Husqvarna logo 2 Husqvarna Crown logo 3 General precautions 4 Use ear and eye protection 5 Exhaust warnings 6 DANGER risk for injury from cutter blade 1 2 3 4 5 7 9 10 Missing or illegible decals must be replaced before using the machine 11 7 Model de...

Page 5: ...ty of the machine before starting and during use Avoid slopes that are too steep to use the machine safely Clear any debris prior to use Decal 4 Wear goggles or safety glasses and ear protection when using the unit 3 4 5 6 9 10 11 12 Decal 5 Warning Engine exhaust some of its constituents and certain vehicle components contain or emit chemicals considered by the State of California to cause cancer...

Page 6: ...always using common sense To obtain extra copies of the operator s manual please contact your dealer 8011 208c Read this manual carefully before starting the machine WARNING The stump grinder can be dangerous if used improperly or without due care This can lead to serious accidents or in the worst cases even fatal accidents It is very important to read this operator s manual and understand the ins...

Page 7: ...use of the machine to operate it Local laws may regulate the age of the user People and animals can cause distractions and cause loss of control of the machine Always concentrate and focus on the task Never leave the machine unsupervised with the engine running Make sure that other people are nearby when you are using the machine so that you can call for help should an emergency arise The machine ...

Page 8: ...use leg protection to protect from sparks and the cutting tools Never use the machine when barefoot Always wear anti slip protective shoes or protective boots preferably with steel toes Use a helmet with a full face visor or a mesh visor and protective glasses Wear approved ear protection when running the machine Ask your dealer about approved protective glasses ear protection and recommended helm...

Page 9: ...ess in handling can result in personal injury or fire Never use a machine with a defective muffler In very warm and dry climates stump grinder operation poses a risk of forest fires Stop and inspect the equipment if you run over or into anything If necessary make repairs before beginning again Whatever happens you should always park the machine on even ground disengage the drive activate the parki...

Page 10: ...e machine with the fuel valve closed Store the machine and fuel in such a way that there is no risk that leaking fuel or fumes can come in contact with flames or sparks from electrical machines electric engines relays switches boilers or similar Store the machine in a locked space away from children and adults untrained in its use Children Serious accidents can occur if you fail to be on guard for...

Page 11: ...aks arise in the fuel system the engine must not be started until the problem has been resolved Check the fuel level before each use and leave space for the fuel to expand Heat from the engine and sun can cause the fuel to expand and overflow Avoid overfilling If you spill gasoline on the machine wipe up the spill and wait until it has evaporated before starting the engine Change garments if gasol...

Page 12: ...or questions regarding service or guarantee matters Follow all maintenance instructions Do not change the setting of governors and avoid running the engine with overly high RPM If the engine is run too fast damage to the machine components can occur Do not modify safety equipment Check regularly to be sure it works properly The machine must not be run with defective or disassembled safety equipmen...

Page 13: ... difference is that you should wear protective glasses when operating the stump grinder while the wire mesh visor is sufficient when using a power saw Thus when using the stump grinder it is recommended to use both a wire mesh visor to protect your face and protective glasses A Plexiglas face guard is an alternative but has been found to scratch easily and is susceptible to soiling and fogging You...

Page 14: ...position adjusting rod to bracket on the 5 upper handle bar assembly with the washers and cotter pins placed above the rod bracket Attach the lower adjustment bar to the unit and secure with cotter pin LOWER HANDLE BAR ADJUSTING ROD WASHERS SPRING WASHERS YOKE BRAKE HANDLE BRAKE ROD ASSEMBLY COTTER PINS UPPER HANDLE BAR Assemble the compression spring two 2 flat 6 washers and yoke to brake rod ass...

Page 15: ...her until the spring set snugly against the brake bracket and has a small amount of tension With proper brake adjustment the wheel will slide but not turn when the handle is over center To engage brake pull back on the handle until brake rod assembly goes over center and locks the brake ON Test for proper tension and grip Remove air cleaner and double wire clamp from 10 engine CLAMP THREAD WIRE HA...

Page 16: ...ntrol lever Attach the throttle cable to the engine using the 14 double wire clamp removed previously Test throttle control by pulling back throttle handle 15 on console Throttle arm on engine should be pushed completely forward Cable should not slip in clamp when doing this test Test proper wire length by pulling on the handle 16 adjustment lever and raising and lowering the handle to maximum pos...

Page 17: ...ntrols 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 005 ...

Page 18: ...he speed control lever on the engine is normally not used It is connected to the throttle on the handle If the cable should bind or break you can reduce the throttle with the lever on the engine as an emergency measure to slow the engine speed to an idle and stop the cutting wheel 8011 126 8011 273 8011 034 1 11 2 3 4 8 9 10 Oil dipstick 8 Oil level guard 9 Fuel tank 10 Fuel filler cap 11 6 5 7 ...

Page 19: ... contain poisonous carbon monoxide 8060 024 Choke Control The choke control opens and closes the choke valve in the carburetor This is only used to start a cold engine If the engine is warm the control should be in the far right position If the engine is cold place the lever completely or partly to the left Move the lever back to the right once the engine starts Forgetting the choke is evident if ...

Page 20: ... described above It can also be difficult to start 8011 126 4 3 2 1 8011 027 Spark Plug The engine spark plug is hidden under the ignition cable boot When performing service it is important that the engine cannot start accidentally For this reason always remove the ignition cable boot from the spark plug To avoid pulling the cable the cable boot is equipped with a special handle see the illustrati...

Page 21: ... cannot be started if the level becomes too low Yet you should not rely entirely on the level guard rather you should check the oil using the dipstick For normal use SAE 10W 30 weight engine oil service SF SG is recommended see also Lubrication IMPORTANT INFORMATION 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...

Page 22: ...thanol 10 volume Maximum allowable methanol 5 volume Maximum allowable MTBE Methyl Tertiary Butyl Ether 15 volume If the engine jerks at normal load it can be damaged Change the fuel If this does not help contact an authorized service workshop Do not fill the tank completely leave space for the fuel to expand as it warms up Centrifugal Clutch The engine is equipped with a centrifugal clutch that i...

Page 23: ... to run If the grip is released the ignition system short circuits and the engine stops WARNING Do not over ride the safety system by binding the bar to the handle Control Panel On Off Engine Switch The ON OFF engine switch can be used to stop the engine The illustration shows the toggle switch in the OFF position short circuited electrical system A second switch with the same function is activate...

Page 24: ...tive brake Handle Adjustment Bar As the tree stump is ground away the handle position will need to be adjusted Pull the handle backwards and set the handle at a suitable working height Engagement rods are spring loaded to insure positive locking when released but always make sure bolts are locked into place after adjustments are made WARNING To avoid the risk of losing control of the machine DO NO...

Page 25: ...rotective glasses 8011 193 Make sure that you are familiar with safety regulations and shutdown procedures described previously in the operator s manual Make sure that all guards are in place and in good condition Make sure that the blades and cutters are in place and in good condition Make sure that the work area and cutter in particular and free from metallic objects such as wire nails etc that ...

Page 26: ...en starting the engine warm the lever should be in the right position see the illustration When starting the engine cold or partially warm place the lever completely or partly to the left Move the lever back to the right once the engine starts When the engine is cold it may be best to move the lever back in several stages Find the position where the engine runs smoothly Throttle Set the throttle o...

Page 27: ...e held against the handle when starting the engine 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 Then give a sharp pull on the starter handle DO NOT pull out the starter cord completely and DO NOT let go of the starter handle when extended Return the handle to the recoil position Throttle Keep the ...

Page 28: ...ar 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 handlebar to ON 4 8011 201c ...

Page 29: ... engine 6 Allow the engine to warm up for two minutes at 7 idle before grinding 8060 027 Set the handle throttle to FAST to engage clutch 8 Place the middle of the cutting wheel 9 approximately 1 2 5 cm above and to 1 2 4 cm into the stump Place the cutting wheel in the upper front edge of 10 the stump Swing the cutting wheel from side to side while lowering it about 1 2 5 cm after each pass until...

Page 30: ...handle position to achieve a better hand and arm work position Pull the handle control lever and adjust the handle to the desired position Repeat Steps 6 through 10 until you reach the 17 desired depth Shut off the machine when you are done 18 Operating On Hills Be very careful when operating the stump grinder on hills because the machine can slip or move unexpectedly NEVER use the machine on grad...

Page 31: ...it at least 20 seconds until the blade has stopped Set the toggle switch to OFF Make sure that the blade is resting against the ground and has stopped completely before doing anything Brake Activate the brake by pulling the lever backwards ON OFF Fuel valve Close the fuel valve Turn the lever all the way to the left Emergency Shutdown Release the OP grip bar Wait until the blade stops Make sure th...

Page 32: ...ir for fuel system n Check and clean spark plug n Replace spark plug n Check engine switch function 3 n Check idle speed n Check and adjust play in valves 4 n Clean fuel tank 4 n Check replace fuel lines as necessary 4 5 n Check throttle and cable 3 n Check blade and cutter 3 n Check decals and warning signs 3 n Check wear and tension on belts 3 n Check chassis bolts and set screws n Grease the bl...

Page 33: ...e upper portion Make sure the air channel ends up in the proper position 8011 126 1 2 8011 213 Remove the three screw holding the cyclone housing Remove the housing with the air intake screen and remove the air channels The air channels may remain in the upper portion or follow along with the housing when removed 8011 212 Clean the components using warm water mild detergent and a sift brush Dry ca...

Page 34: ...or the proper service interval For cleaning or replacement Undo the wing nut 1 and lift off the cyclone filter 1 with the air filter cowling 2 WARNING Allow the exhaust system to cool before performing service Risk for burns 8011 126 1 2 8011 030 Remove the foam rubber pre filter and clean using 2 a mild detergent Squeeze dry with a clean cloth Soak it with new engine oil Wind the filter in an abs...

Page 35: ...h the paper filter DO NOT oil the paper filter 8011 032 Tap the paper filter against a fixed surface to 4 remove dust If the paper filter is still dirty or damaged it must be replaced Mount the paper filter in the air filter housing and 5 tighten the wing nut Refit the pre filter on the paper filter 6 Refit the cyclone filter with the air filter cowling 7 Sludge Reservoir Close the fuel valve 1 80...

Page 36: ...sludge reservoir Tighten it moderately to avoid damaging the threads Turn the fuel valve to ON and check for leaks If it 5 leaks replace the o ring Idle Adjustment Start the engine and run it until it reaches normal 1 working temperature Adjust the throttle to idle position or so that the 2 engine runs at the lowest possible speed Turn the idle screw so that the engine idles at 3 1250 1550 RPM Inc...

Page 37: ...the spark plug with a steel brush if it is to be reused Measure the electrode gap with a gapping tool 4 The gap should be 0 7 0 8 mm 0 028 0 031 Adjust as necessary by bending the side electrode Reinsert the spark plug turning by hand to avoid 5 damaging the threads IMPORTANT INFORMATION Inadequately tightened spark plugs can cause overheating and damage the engine Tightening the spark plug too mu...

Page 38: ... by removing the ignition cable from the spark plug 8060 226 8060 227 Check that the belt is properly tensioned by 2 squeezing the belt together It should be possible to squeeze the belt down about 3 8 6 10 mm from the original position Loosen screws holding cover plate to belt guard 3 backing plate Undo the two screws A on each side of the 4 cutting shroud COVER PLATE SCREWS 8062 006 ...

Page 39: ...ck that the pulleys are aligned using a straight 7 edge along the inside face of the clutch and pulley Pulleys must be inline Maximum gap or mis alignment is 1 16 062 or 15 7 mm Adjust using the tension bolts as necessary Check belt tension again Tighten all screws and nuts when the adjustment 8 is complete Be certain cover plate is not rubbing against cutter wheel shaft Refit the belt guard 9 801...

Page 40: ...he right wheel 6 remove the locking collar 7 and slide the wheel off the axle 8011 217 LEFT RIGHT FRONT 7 3 4 5 6 1 2 3 Brake Adjustment Overcentering type handle activities brakes Undo clevis pin from brake and turn clockwise to tighten brake or counter clockwise to loosen Tighten so handle snaps down when locked but unlocks easily when handle is moved forward Brake is properly adjusted when whee...

Page 41: ...ions with the starter handle before starting the engine again Cleaning Regular cleaning and washing will increase the machine s lifespan Make it a habit to clean the machine directly after use before the dirt sticks Check before rinsing that the fuel tank lid is properly in place to avoid getting water in the tank Use caution when using high pressure spray because warning decals instruction signs ...

Page 42: ...LUBRICATION HUSQVARNA 43 ...

Page 43: ...opriate viscosity according to the diagram API Service SF SG to the upper level mark on the dipstick threads on the oil dipstick The engine takes 1 16 qts 1 1 liters of oil When checking the oil level the dipstick should not be screwed in Check that the rubber gasket is in position and 4 screw the dipstick back into place Do not tighten it askew or too hard or you may damage the threads Wipe up an...

Page 44: ...ate it with thin engine oil until the oil begins to escape from the bottom Tip Fill a small plastic bag with oil and tape it so that it seals against the casing and allow the cable to hang vertically from the bag overnight If you do not succeed in lubricating the cable it must be replaced 8011 231 8011 234 Checking Engine Oil Level Make sure that the machine is parked on flat ground with the engin...

Page 45: ...onnection No spark after checking spark plug Faulty engine switch cable or ignition Contact an authorized service workshop Low compression Serious interior engine damage or faulty valves Contact an authorized service workshop Engine is weak or runs unevenly Air filter Clogged air filter Clean or replace the air filter Fuel system Machine stored without observing proper procedure from chapter Stora...

Page 46: ...cient Clutch is worn Make sure the throttle cable is working properly Adjust belt tension Replace shoes and springs and or clutch bearings Cutting wheel continues to rotate The engine speed is not under 1000 rpm which is required to disengage the centrifugal clutch Check for damage on the throttle cable Check that the throttle cable is properly mounted on the throttle valve Inspect springs on clut...

Page 47: ...chine carefully particularly the 1 chassis and working equipment Touch up damage to the paint to prevent rust Inspect the machine for worn or damaged parts 2 and tighten any nuts or screws that may have become loose Change the engine oil dispose of properly 3 Open the fuel valve Empty the fuel tank 1 and 4 the carburetor 2 Close the fuel valve 5 Remove the spark plug and pour about a 6 tablespoon ...

Page 48: ...1 liter Spark plug NGK BP6ES or BPR6ES Fuel tank volume 1 7 gal 6 5 L Chassis Tires 4 10 6 12 pneumatic Brake Disk Lever activated Drive Direct Belt Dayco double V belt Clutch Amsbeck or Noram centrifugal clutch Cutting Wheel 14 dia x 3 8 thick disc 157 5 mm x 9 5 mm Cut Depth Approx 10 25 4 cm Dimensions Length 62 73 157 185 cm depending on handle position Width 27 69 cm Height 24 43 61 109 cm de...

Page 49: ...R 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 IGNITION OIL LEVEL GUARD 8064 008 8064 009 ...

Page 50: ...ule 9 Fill fuel tank and start engine 10 Check that machine and working equipment do not move in neutral 11 Check all operating instruments 12 Check decals and information attached to unit 13 Check engine speed RPM see Technical Data 14 Check for leakage 15 Inform the customer about 16 The need and advantages of following the service schedule The need and advantages of leaving the machine for serv...

Page 51: ...52 HUSQVARNA SERVICE JOURNAL Action Date stamp signature ...

Page 52: ...HUSQVARNA 53 SERVICE JOURNAL Action Date stamp signature ...

Page 53: ...54 HUSQVARNA SERVICE JOURNAL Action Date stamp signature ...

Page 54: ...ders Applies to units factory equipped with Roll Over Protection System 90 Days Commercial Walk Mowers includes 21 wide area 90 Days Commercial Turf Specialty Equipment 1 Year 1 Year 1 Year Zero Turn Commercial Turf Specialty Attachments 2 Years 1 Year 90 Days Power Cutters Lifetime Ignition Warranty Parts Only 1 Year 90 Days 1 Year K750 only 90 Days Automatic Mower 1 Year Battery Warranty 2 Years...

Page 55: ...r SECTION 4 EXCEPTIONS AND LIMITATIONS This warranty shall be inapplicable to defects resulting from the following 1 Accident abuse misuse negligence and neglect including stale fuel dirt abrasives moisture rust corrosion or any adverse reaction due to incorrect storage or use habits 2 Failure to operate or maintain the unit in accordance with the Owner s Operator s manual or instruction sheet fur...

Page 56: ...P N 115 151327 IR 03 03 09 ...

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