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Husqvarna WH3616, Operator'S Manual

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Husqvarna WH3616 Operator'S Manual Download Page 32

MaIntenanCe

32

Tire Pressures

All tires should be at 15 psi / 103 kPa / 1 bar.

8062-042

Tire pressures

Deck Belt

Check every 100 hours of operation. Check for severe 
cracking and large nicks.
NOTe: The belt will show some small cracks in normal 
operation.

Replacing belt

Open the belt shield.
Use a ratchet with a ½ socket extension on the spring 
idler arm to relieve the tension on the belt. Slide the 
belt off the pulley and fully remove the belt.
Reverse the procedure for installation. After 
installation is complete check the belt for twists.

8062-023

Slacken the belt tensioner

Summary of Contents for WH3616

Page 1: ...English Operator Manual WH3616 966638601 WH4818 966638602 WH5218 966638603 Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ...ication Note that no legal demands can be placed based on the information contained in these instructions Use only original parts for repairs The use of other parts voids the warranty Do not modify or install non standard equipment to the unit without consent from the manufacturer Modifications to the unit may cause unsafe operations or damage the unit ...

Page 3: ...rol 18 Service Meter 18 Fuel Shut off Valve 19 Fuel Tank 19 Operation 20 Before Starting 20 Starting the Engine 21 Running 23 Reverse 23 Tracking Adjustment 23 Operating on Hills 23 Mowing Tips 24 Transport 25 Stopping 25 Emergency Stop 25 Stopping the Engine 25 Cutting Height Adjustment 27 Cutting Height Table 28 Maintenance 29 Maintenance Schedule 29 Safety System 31 Function Check 31 Tire Press...

Page 4: ...persons who understand these instructions to operate the mower Each person operating the mower must be of sound mind and body and must not be under the influence of any mind altering substance WARNING Engine exhaust some of its constituents and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm ...

Page 5: ...ce Driving and Transport on Public Roads Check applicable road traffic regulations before transporting on public roads If the machine is transported you must always use approved fastening equipment and ensure that the machine is well anchored DO NOT operate this machine on public roadways Operating This machine is constructed only for mowing grass on lawns and even ground without obstacles such as...

Page 6: ...rt in service questions warranty issues etc please consult the following professional Manufacturing Number The machine s manufacturing number can be found on the printed plate affixed to the left in the engine compartment Stated on the plate from the top are The machine s type designation I D The manufacturer s type number Model The machine s serial number Serial no Please have the type designatio...

Page 7: ...ting parts discharge deck These symbols are found on the machine and in the operator s manual Study them carefully so that you know what they mean Used in this publication to notify the reader of a risk of personal injury or death particularly if the reader should neglect to follow instructions given in the manual Used in this publication to notify the reader of a risk of material damage particula...

Page 8: ...operate machine without the entire grass catcher discharge guard or other safety devices in place and working Slow down before turning Never leave a running machine unattended Disengage blades when not mowing Shut off engine and wait for all parts to come to a complete stop before cleaning the machine removing the grass catcher or unclogging the discharge chute Operate machine only in daylight or ...

Page 9: ... damage to hearing Slope Operation Slopes are a major factor related to loss of control or machine tip over accidents which can result in severe injury or death Operation on all slopes requires extra caution If you cannot reverse up the slope or if you feel unsure do not mow it Mow across slopes 10 degrees maximum not up and down Watch for holes ruts bumps rocks or other hidden objects Uneven terr...

Page 10: ... in the watchful care of a responsible adult other than the operator Be alert and turn machine off if a child enters the area Before and while backing look behind and down for small children Never carry children even with the blades shut off They may fall off and be seriously injured or interfere with safe machine operation Never allow children to operate the machine Use extra care when approachin...

Page 11: ...hen filling Remove gas powered equipment from the truck or trailer and refuel it on the ground If this is not possible refuel such equipment with a portable container rather than from a gasoline dispenser nozzle Keep the nozzle in contact with the rim of the fuel tank or container opening at all times until fueling is complete Do not use a nozzle lock open device If fuel is spilled on clothing cha...

Page 12: ... them Check brake operation frequently Adjust and service as required Maintain or replace safety and instruction labels as necessary Do not modify safety equipment Check regularly to be sure it works properly The machine must not be used with defective or unmounted protective plates protective cowlings safety switches or other protective devices Do not change the settings of governors and avoid ru...

Page 13: ... engine and electrical components with water Transport The machine is heavy and can cause serious crushing injuries Be extra cautious when it is loaded on or unloaded from a vehicle or trailer Use an approved trailer to transport the machine Activate the parking brake turn off the fuel supply and fasten the machine with approved fastening devices such as bands chains or straps when transporting Ch...

Page 14: ...1 Throttle Control 2 Choke Control 3 Ground Speed Control 4 Blade Engagement Control 5 Hour Meter optional 6 Ignition Switch 7 Operator Presence Switch 8 Drive Lever 9 Neutral Lock 10 Recoil Starter Grip 11 Parking Brake 12 Fuel Shutoff 13 Using the left and right drive levers the speed of the rear wheels is regulated for steering the machine 8062 021 9 8 1 10 3 4 11 6 13 2 12 7 5 ...

Page 15: ...ueeze the right control upward toward the handle neutral position The rotation of the right wheel is reduced and the machine turns to the right To stop forward travel pull both drive levers up into the neutral position When both controls are in the neutral position the machine stands still The controls will be locked in neutral position when both neutral locks are engaged Ignition Switch The ignit...

Page 16: ...ely after releasing the OP levers and some travel occurs When either the blades or the speed control are engaged one or both levers must be pressed for the engine to remain running Ground Speed Control Ground speed is adjusted with the center lever on the control panel Ease the lever out of the start position and upwards to the desired speed Choke Control The choke control is used for cold starts ...

Page 17: ...ted when starting the engine To disengage the locks squeeze slightly upward on the driver levers and using thumbs slide the neutral locks back IMPORTANT INFORMATION Be sure neutral locks are either fully forward locked or fully back unlocked If the neutral lock is between full forward and full back the machine will not track properly Tracking Adjustment If the mower is not tracking straight check ...

Page 18: ... intervals The flash duration is one hour before and one hour after the interval The CHG OIL icon will come on and shut off automatically The hour meter cannot be manually reset WARNING Gasoline is highly flammable Observe caution and fill the tank outdoors see the safety instruction Parking Brake The parking brake is located behind the right hand tire and is applied by pressing the pedal downward...

Page 19: ...low the fuel tank The valve is on when the turn lever is parallel to the fuel line The OFF position will have the turn lever running perpendicular to the fuel line See illustration Fuel Tank The machine has one fuel tank The tank volume is 6 gallons 22 7 liters The engine should run on a minimum of 87 octane unleaded gasoline no oil mix Also see Technical Data concerning methanol and ethanol fuels...

Page 20: ...ditions must be fulfilled before the engine can be started The control for engaging the blades must be in disengaged down position The speed control lever must be in the start position 8062 039 Neutral lock 8062 010 Starting position WARNING Do not operate the mower if the interlock safety system allows operation or starting in any unsafe condition WARNING Be thoroughly familiar with control opera...

Page 21: ... Starting the Engine Open fuel shut off valve Turn ignition key to ON position 8062 003 Ignition key 8062 010 Set throttle control Set throttle control at the lowest position and engage the choke if needed Do not use choke when the engine is warm ...

Page 22: ...wly until you feel compression then pull briskly If the engine won t start in three pulls open the choke and try again Warm engine momentarily then disengage the choke until engine runs smoothly 8062 006 Recoil starter grip 8062 005 Parking brake Release the parking brake by pivoting the pedal back and downwards until it clears the brake shaft WARNING Do not run the engine indoors in enclosed or p...

Page 23: ...will go into reverse and a tighter more abrupt turn is accomplished Turn left by squeezing the left hand lever or turn right by squeezing the right hand lever Reverse The mower moves to the reverse gear when both drive levers are pulled fully upward to the handles Operating on Hills Operating on slopes can be hazardous Read the Safety section Driving on Slopes The slowest speed possible should be ...

Page 24: ...healthier and better looking lawns mow often after moderate growth For best cutting performance grass over 15 cm 6 in height should be mowed twice Make the first cut relatively high the second to the desired height Use a high engine speed the blades rotate rapidly and low ground speed the machine moves slowly for the best mowing results If the grass is not too long and dense the ground speed can b...

Page 25: ... Do not tow this machine it may cause damage to the drive system Load the unit onto truck or trailer by driving up ramps of suitable strength using a slow speed Do not lift The machine is not intended to be lifted by hand IMPORTANT INFORMATION The parking brake is not sufficient to lock the machine in place during transport Ensure that the machine is well fastened to the transport vehicle Always r...

Page 26: ...operation 26 Shut OFF the fuel valve Set the parking brake 8062 007 Fuel shutoff valve closed OFF 8062 005 Parking brake ...

Page 27: ...ires from each side of the engine Place a jack under center of rear deck b Raise the jack so that the axle adjustment bolts may be removed With the jack raise or lower the rear deck c to the desired position using the chart to ensure proper height Reinstall the axle adjustment bolts and d tighten to 75 ft lb A tapered punch may be used to help align the holes Using the Cutting Height Table find th...

Page 28: ...m 2 1 D C B A IMPORTANT INFORMATION It may be necessary to readjust drive and brake linkages IMPORTANT INFORMATION To achieve the best quality cut the blades should be level with the ground or slightly tipped forward Cutting Height Table 8062 014 Height selection holes 1 Axle adjustment bolts remove each side 2 Rear axle height adjustment 8062 041 ...

Page 29: ...ntake Check the mower deck Check for loose hardware screws nuts Clean under the mower deck Start the engine and blades listen for unusual sounds Check for damage Thoroughly clean around the engine Clean around belts belt pulleys Check the tire pressures Sharpen3 Replace mower blades Clean the engine s cooling air intake 2 Clean the air cleaner s pre filter 2 foam Clean the air cleaner s filter car...

Page 30: ...r filter paper filter 2 Check the caster wheels every 200 hours Replace the air cleaner s pre filter 2 foam Check adjust the mower deck Check the engine valve clearance 3 Perform the 300 hour service 3 Lubricate according to Lubrication Schedule Check hydraulic oil at reservoir Change hydraulic oil filter 200 hours 1 First change after 5 8 hours When operating with a heavy load or at high ambient ...

Page 31: ...hine off and repair the safety system before using the machine again Function Check Check the function of the safety electrical system on a regular basis Engine must stop if blades are engaged without 1 operator presence levers held down Engine must stop if the speed control is taken 2 out of the start position without holding down operator presence levers Engine must not start unless blades are o...

Page 32: ...s NOTE The belt will show some small cracks in normal operation Replacing belt Open the belt shield Use a ratchet with a socket extension on the spring idler arm to relieve the tension on the belt Slide the belt off the pulley and fully remove the belt Reverse the procedure for installation After installation is complete check the belt for twists 8062 023 Slacken the belt tensioner ...

Page 33: ...ieve the best mowing effect the blades must be well sharpened and not damaged Bent or cracked blades or blades with large nicks should be replaced Damaged blades should be replaced when hitting obstacles that result in a breakdown Let the service workshop decide whether the blade can be repaired ground or must be replaced Balance the blades after sharpening Check the blade mounts Blade replacement...

Page 34: ...igh pressure water directly on the top of the deck Do not spray hot engine or exhaust 8062 013 Clean mower deck after each use Hardware Check daily Inspect the entire machine for loose or missing hardware WARNING Escaping hydraulic oil under pressure can have sufficient force to penetrate the skin causing serious injury If injured by escaping fluid see a doctor at once Serious infection or reactio...

Page 35: ... oil When lubricating with grease unless otherwise stated use a high grade molybdenum disulphide grease For daily use the machine should be lubricated twice weekly Wipe away excess grease after lubrication It is important to avoid getting lubricant on the belts or the drive surfaces on the belt pulleys Should this happen attempt to clean them with spirits If the belt continues to slip after cleani...

Page 36: ...se only good quality bearing grease Grease from well known brand names petrochemical companies usually maintains a good quality Front Wheel Bearings Lubricate with a grease gun one zerk for each set of wheel bearings until the grease is forced out Use only good quality disulphide grease 8062 019 Lubricating the front wheels ...

Page 37: ...or Choke control is pulled out with a warm engine Clogged fuel filter or jet Clogged ventilation valve on the fuel cap Fuel tank nearly empty Fouled spark plugs Spark plug is loose Defective ignition cable Defective spark plug electrode Defective spark plug connection Rich fuel mixture or fuel air mixture Wrong fuel type Water in the fuel Clogged air filter Engine seems weak Clogged air filter Fou...

Page 38: ...Mower deck not engaging Drive belt for the mower deck has come loose Mower deck control is faulty Uneven mowing results Tire pressures are uneven Blades are bent Blades are dull Driving speed too high Grass is too long Grass collected under the mower deck Machine moves when in neutral position Motion control linkage out of adjustment Machine pulls to left or right Tire pressures are uneven Motion ...

Page 39: ...se Change the engine oil dispose of used oil 3 properly Empty the fuel tanks or add a fuel stabilizer Start 4 the engine and allow it to run until the carburetor is drained of fuel or the stabilizer has reached the carburetor Remove the spark plug and pour about a 5 tablespoon of engine oil into the cylinder Turn over the engine so that the oil is evenly distributed Refit the spark plug Lubricate ...

Page 40: ...schematics 40 Lower Harness Harness Adapter ...

Page 41: ...schematics 41 Upper Harness ...

Page 42: ... 5 8 16 x 7 5 8 Tire pressure 15 PSI 103 kPa 1 bar 15 PSI 103 kPa 1 bar Equipment Cutting Width 36 91 cm 48 122 cm Cutting Height 1 5 5 3 8 12 7 cm 1 5 5 3 8 12 7 cm Productivity 1 8 acres h 7290 m2 h 2 4 acres h 9720 m2 h Overall Dimensions Weight 535 lbs 243 kg 550 lbs 249 kg Overall Machine Length 73 185 cm 71 180 cm Base Machine Height 38 45 96 5 114 cm 38 45 96 5 114 cm Base Machine Width 35 ...

Page 43: ...ent Cutting Width 52 132 cm Cutting Height 1 5 5 3 8 12 7 cm Productivity 1 8 acres h 7290 m2 h Overall Dimensions Weight 570 lbs 259 kg Overall Machine Length 73 185 cm Base Machine Height 38 45 96 5 114 cm Base Machine Width 40 102 cm Overall Width Chute Up 52 134 cm Overall Width Chute Down 64 164 cm 1 See the Engine Manufacturer s manual for engine specifications 2 The power rating of the engi...

Page 44: ...5 250 339 370 502 7 8 378 513 591 801 11 8 782 1060 1410 1912 Grade 5 Minimum commercial quality lower quality not recommended Metric Standard Hardware Grade Grade 8 8 Grade 10 9 Grade 12 9 Shank Size Diameter in millimeters fine or coarse thread Size ft lbs Nm ft lbs Nm ft lbs Nm M4 1 5 2 2 2 3 2 7 3 6 M5 3 4 4 5 6 5 2 7 M6 5 2 7 7 5 10 8 2 11 M7 8 2 11 12 16 15 20 M8 13 5 18 18 8 25 21 8 29 M10 ...

Page 45: ...t the machine will fulfill the requirements This is also applicable to special requirements for any of the states California emission rules etc Do not remove any of these labels Certificates can also be supplied with the machine at delivery or written in the Engine manual Take care of them as they are valuable documents ...

Page 46: ... switch for the blade engagement lever q The safety switch for the neutral lock q The safety switches for the OP levers q Parking brake functionality q Driving forward q Driving backward q Engaging the blades q Check the idle speed q Inform the customer about The need and advantages of following the service schedule q The need and advantages of leaving the machine for service every 300 hours q The...

Page 47: ...mtr reading stamp sign 47 25 Hour Service Check the tire pressures q Check clean the engine s cooling air intake q Clean the air cleaner s pre filter foam q Check the cutting deck q After the first 8 hours Change the engine oil q ...

Page 48: ...mission q Replace the fuel filter q Check V belts and pulleys q Check tighten caster wheel axle bolts every 200 hours q Change the air filter s paper cartridge q Clean and check filter paper cartridge every 200 hours q 50 Hour Service Perform the 25 hour service q Clean replace the air cleaner s filter cartridge paper filter shorter intervals for dusty operating conditions q Lubricate front wheel ...

Page 49: ...cutting height q Check adjust the parking brake 50 hours q Clean Change the spark plugs 100 hours q Change the fuel filter 100 hours q Check the engine valve clearance 300 hours q Perform the 300 Hour service at an authorized service workshop q 300 Hour Service Perform the 25 hour service q Perform the 50 hour service q Perform the 100 hour service q Check adjust the mower deck q Clean the combust...

Page 50: ...SERVICE JOURNAL Action Date mtr reading stamp sign 50 ...

Page 51: ......

Page 52: ...P N 115 392127R1 09 14 10 ...

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