Husqvarna 966503901 Operator'S Manual Download

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Operator Manual

RZ4216 CA / 966503901

Please read the operator’s manual carefully and make sure you

understand the instructions before using the machine.

Summary of Contents for 966503901

Page 1: ...Operator Manual RZ4216 CA 966503901 Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ... 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 When this product is worn out and no longer used it should be returned to the reseller or other par...

Page 3: ... Lever 22 Manual Transport 22 operatioN 23 Training 23 Steering 23 Before Starting 24 Starting the Engine 24 Jumper cables 27 Running 28 Operating on Hills 29 Mowing Tips 30 Stopping the Engine 31 Manual Transport 32 maintenance 33 Maintenance Schedule 33 Battery 35 Safety System 36 Tire Pressures 36 Parking Brake 37 V belts 37 Deck Belt 37 EZT Belt 38 Cutting Blades 38 Blade replacement 38 Adjust...

Page 4: ...nd 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 WARNING Battery posts terminals and related accessories contain lead and lead compounds chemicals known to the State ...

Page 5: ...tening equipment and ensure that the machine is well anchored DO NOT operate this machine on public roadways Towing If machine is equipped with a tow hitch use extreme caution when towing Never allow children or others in or on towed equipment Make wide turns to avoid jack knifing Travel slowly and allow extra distance to stop Do not tow on sloped ground The weight of the towed equipment may cause...

Page 6: ...ing 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 designation and serial number available when ordering spare parts The engine s manufacturing number is sta...

Page 7: ...ons to the surroundings in accordance with the European Union s directive The machine s emission is stated in the chapter TECHNICAL DATA and on the decals Only machines for European market Use protective glasses Use protective gloves WARNING Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxxxxx xx xxxxxxxx xxxx xxxxxx Used in this publication to notify the reader of a risk of personal injury or death ...

Page 8: ...m no greater Manual performing any the machine than 10 maintenance or repair work Whole body Severing of fingers Do not open or Careful backing up Careful going exposure to and toes remove safety watch for other forward watch for thrown objects shields while people other people engine is running Moving sharp blades under cover ...

Page 9: ...lutely necessary Always look down and behind before and while backing Never direct discharged material toward anyone Avoid discharging material against a wall or obstruction Material may ricochet back toward the operator Stop the blades when crossing gravel surfaces Do not operate machine without the entire grass catcher discharge guard or other safety devices in place and working Slow down before...

Page 10: ... s recommendation for wheel weights or counterweights Anyone who operates this machine must first read and understand this Operation Manual Local laws may regulate the age of the user Keep machine free of grass leaves or other debris buildup which can touch hot exhaust or engine parts and burn Do not allow the mower deck to plow leaves or other debris which can cause buildup to occur Clean any oil...

Page 11: ... slope Do not mow on wet grass Tires may lose traction Avoid starting stopping or turning on a slope If the tires lose traction disengage the blades and proceed slowly straight down the slope Keep movement on the slopes slow and gradual Do not make sudden changes in speed or direction which could cause machine to roll over Use extra care while operating machine with grass catchers or other attachm...

Page 12: ...esponsible 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 Children who have been given rides in the past may suddenly appear in the mowing area for another ride...

Page 13: ...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 change clothing immediately Never overfill fuel t...

Page 14: ...egularly to be sure it works properly The machine must not be driven with defective or unmounted protective plates protective cowlings safety switches or other protective devices Do not change the settings of governors and avoid running the engine with overly high engine speeds If the engine runs too fast there is risk for damaging the machine components Be very careful when handling battery acid ...

Page 15: ...er relay to run the starter Never use the machine indoors or in spaces lacking proper ventilation The exhaust fumes contain carbon monoxide an odorless poisonous and lethal gas Stop to inspect the equipment if the machine runs over or into anything If necessary make repairs before starting Never make adjustments with the engine running The machine is tested and approved only with the equipment ori...

Page 16: ... Check and abide by local traffic regulations before transporting the machine on any road 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 Towing If machine is equipped with a tow hitch use extreme caution when towing Never allo...

Page 17: ...is made via belt driven hydraulic pumps Using the left and right steering controls the flow is regulated and thereby the direction and speed Cutting height handle 1 Park brake 2 Choke throttle control 3 Ignition switch 4 Motion control levers 5 Blade control lever 6 Fuel tank cap 7 Fuel shut off valve 8 Bypass linkage 9 Control Locations 1 2 3 4 5 6 8 9 7 8058 094 ...

Page 18: ...The rotation of the right wheel is reduced and the machine turns to the right Zero turn can be achieved by moving one control backward behind the neutral position and carefully moving the other steering control forward from its neutral position The rotation direction when zero turning is determined by which steering control is moved backward behind the neutral position If the left steering control...

Page 19: ...the right side of the machine Pull the lever backward to activate the brake and forward to release it IMPORTANT INFORMATION The machine must stand absolutely still when applying the parking brake Always set the parking brake before dismounting Release the parking brake before moving the mower Ignition Switch The ignition key is placed on the control panel and is used to start and stop the engine I...

Page 20: ...not store spill or use gasoline near an open flame WARNING The engine and the exhaust system become very hot during operation Risk for burns if touched Allow engine and exhaust system to cool at least two 2 minutes before refueling WARNING Gasoline is highly flammable Observe caution and fill the tank outdoors see the safety instruction IMPORTANT INFORMATION Experience indicates that alcohol blend...

Page 21: ...utting height is set by placing a lever in the notch for the desired cutting height The lifting lever can also be used to temporarily adjust the cutting height such as when passing a minor bump in the lawn IMPORTANT INFORMATION In order to obtain an even cutting height it is important that the air pressure is 15 psi in all tires IMPORTANT INFORMATION Always use the high position F to transport Tra...

Page 22: ...to the slots Release linkages to hold in the bypass position Release park brake To reengage the EZT s to drive reverse the above procedure 8050 018 Set bypass linkages into slots on both sides Blade Control Lever To engage the mower blades slowly lift the lever up and into the the lock notch 8058 074 Mower deck blade control lever in the disengaged position WARNING No adjustments or maintenance to...

Page 23: ... mower see Manual Transport in the Operation section to an open flat area without other people or vehicles obstacles nearby In order to move unit under its own power the operator must be in the seat start engine see Before Starting in Operation section adjust engine speed to idle disengage parking brake do not engage blades at this time rotate control levers inward As long as the control levers ha...

Page 24: ...st be seated on the seat The blade control lever for engaging the mower blades must be down in the lower position The parking brake must be on Both steering controls must be in the locked outer neutral position Starting the Engine Sit on the seat 1 Raise the mower deck by pulling the lifting lever 2 upward to the transport position F Activate the parking brake 3 Disengage the mower blades by lower...

Page 25: ...to the locked outer neutral position Move the throttle to the middle position If the engine is cold the choke control should be pushed forward to its extent 8050 008 Set the throttle 8050 028 Place controls in neutral position 8050 007 Choke control ...

Page 26: ...ve Open the fuel valve Press in and turn the ignition key to the start position When the engine starts immediately release the ignition key back to the run position IMPORTANT INFORMATION Do not run the starter for more than 5 seconds each time If the engine does not start wait approximately 10 seconds before retrying ...

Page 27: ...t also be a 12 volt negative grounded system Do not use your mower to start other vehicles If your battery is too weak to start the engine it should be recharged See Battery in the Maintenance section If jumper cables are used for emergency starting follow this procedure Jumper cables Connect each end of the RED cable to the 1 POSITIVE terminal on each battery taking care not to short against chas...

Page 28: ... machine s speed and direction are 6 continuously variable using the two steering controls When both controls are in the neutral position the machine stands still By moving both controls an equal amount forward or backward the machine moves in a straight line forward or backward respectively In order for example to turn right while moving forward move the right control towards the neutral position...

Page 29: ...ing or changing speed on hills If stopping is absolutely necessary pull drive levers into the neutral position and push to the outside of the unit and engage the parking brake To restart movement release the parking brake Pull the control levers back to the center of the mower and press forward to regain forward motion Make all turns slowly IMPORTANT INFORMATION When in reverse control levers retu...

Page 30: ...lawn becomes more even and the grass clippings more evenly distributed over the mown area The total time taken is not increased as a higher operating speed can be used without poor mowing results Avoid mowing wet lawns The mowing result is poorer because the wheels sink into the soft lawn clumps build and the grass clippings fasten under the cowling Hose the mower deck underside with water after e...

Page 31: ... the lifting lever Raise the mower deck by pulling the lifting lever upward to the transport position When the machine is standing still activate the parking brake by pulling the lever backward Move the throttle to the minimum position tortoise symbol Turn the ignition key to the stop position Never use choke to stop the engine Move the steering controls outward Remove key Always remove key when l...

Page 32: ...e located on the rear of the frame below the rear engine guard Raise the deck into the highest cutting position Pull the EZT bypass linkages out and into the slots Release linkages to hold in the bypass position Release park brake To reengage the EZT s to drive reverse the above procedure 8050 018 Set bypass linkages into slots on both sides ...

Page 33: ...ttery Sharpen 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 cartridge 2 paper filter Check adjust the parking brake Maintenance Before After Daily Weekly At least once each year Maintenance interval in hours 25 50 100 300 an authorized service workshop is recommended to maintain your machine in the best possibl...

Page 34: ...gine oil filter Clean replace the spark plugs Check the caster wheels every 200 hours Check adjust the mower deck Check the engine valve clearance 4 Perform the 300 hour service 4 Lubricate according to Lubrication Schedule 3 4 Maintenance Before After Daily Weekly At least once each year Maintenance interval in hours 25 50 100 300 WARNING Before performing any service or adjustment checklist Enga...

Page 35: ...same position as the old battery 7 Reinstall battery hold down 8 First connect RED battery cable to positive battery terminal with hex bolt and hex nut 9 Connect BLACK grounding cable to negative battery terminal with remaining hex bolt and hex nut 10 Fit the terminal guard 11 Lower seat IMPORTANT INFORMATION Do not attempt to open or remove caps or covers Adding or checking level of electrolyte i...

Page 36: ... and try again If the machine starts when one of these conditions is not met turn the machine off and repair the safety system before using the machine again Make sure the engine stops when the park brake is not engaged and the operator leaves the seated position Check that the engine stops if the mower blades are engaged and the driver temporarily moves off the drivers seat IMPORTANT INFORMATION ...

Page 37: ...tion Check for severe cracking and large nicks NOTE The belt will show some small cracks in normal operation The belts are not adjustable Replace belts if they begin to slip from wear Deck Belt To replace deck belt Deck belt removal Park on a level surface Apply park brake 1 Lower the deck to the lowest cutting position 2 Disengage the clutch by sliding the blade control 3 lever downwards 8058 074...

Page 38: ... it is important that the blades are 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 Remove bl...

Page 39: ...adjustment checklist 1 Engage the parking brake 2 Place the Blade switch in the disengaged position 3 Turn ignition switch to OFF position and remove the key 4 Make sure the blades and all moving parts have completely stopped 5 Disconnect the spark plug wire from all spark plugs and place the wire where it cannot come in contact with the plug WARNING Blades are sharp Protect your hands with gloves...

Page 40: ...d tires Cleaning Regular cleaning and washing especially under the mower deck will increase the machine s life span Make it a habit to clean the machine directly after use after it is cooled before the debris sticks Use compressed air to clean the top side of mower deck For cleaning the underside of the deck use the cleanout port Attach the quick connect from the accessory packet to any garden hos...

Page 41: ...d be lubricated twice weekly 12 12 Every year 1 52 Every Week 1 365 Every day Lubricate with grease gun Oil change Filter change Lubricate with oil can Level check 8058 072 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 aft...

Page 42: ...NFORMATION Use minimal lubrication and remove excess lubricant so that is does not come into contact with belts or belt pulley drive surfaces 8050 009 Lubricating the wheel bearings Engine Lubrication Refer to the engine manufacturer s manual for maintenance and service instructions Steering Control Shafts Tip the driver s seat Lubricate with a grease gun one zerk for each steering control shaft u...

Page 43: ...ry terminal cable connections Fuse blown Ignition system faulty Fault in the starter safety circuit See Checking the Safety System in the Maintenance section The engine runs rough Faulty carburetor Choke control used with warm engine Defective valves Defective piston cylinder piston ring or cylinder head seal Cylinder head bolts are loose Clogged fuel filter or jet Clogged ventilation valve on fue...

Page 44: ...g brake on Hydraulic pump bypass linkage engaged Drive belt for the transmission gears slack or has come off Defective hydraulic system Air in hydraulic system Mower deck not engaging Drive belt for the mower deck has come loose Contact for the electromagnetic coupling has loosened Blade switch is faulty or has come loose from the cable contact Fuse has blown Uneven mowing results Different air pr...

Page 45: ... 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 and then refit the spark plug Lubricate all grease zerks joints and axles 6 Remove the batte...

Page 46: ...46 WIRING DIAGRAM 8053 002 ...

Page 47: ...8 Grade 10 9 Grade 12 9 Shank Size Diameter in millimeters fine or coarse thread ft lbs 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 24 32 35 2 47 43 5 58 M12 43 5 58 62 2 83 75 100 M14 70 5 94 100 133 119 159 M16 108 144 147 196 176 235 M18 142 190 202 269 242 323 M20 195 260 275 366 330 440 M22...

Page 48: ...e with oil filter Oil capacity excluding filter 1 5 qts 1 4 liters Oil capacity including filter 1 7 qts 1 6 liters Engine oil SAE 10W30 10W30 5W30 API SF SJ Fuel Min 86 octane unleaded Maxethanol 5 Max MTBE 15 Fuel tank capacity 3 gallons 11 3 liters Spark plugs gap Briggs Stratton 5066 030 0 75 mm Cooling Air cooled Air filter Standard Alternator 12V 16A Starter Electric 12V Transmission Transmi...

Page 49: ...cm Sprung seat Standard Blade engagement Electric clutch Deck construction Stamped Productivity Output 2 78 acres hr 11250 m2 hr Overall dimensions Weight 570 lbs 258 kg Base machine length 75 191 cm Base machine width 40 102 cm Base machine height 43 112 cm Overall width chute up 43 109 cm Overall width chute down 58 147cm ...

Page 50: ... 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 CE requirements If required the vibration data corresponding to Directive 2002 44 EC is given in the Technical Data Section The Declaration of Conformity is included in the ...

Page 51: ...he mower deck adjustment 11 Check The safety switch for the parking brake The safety switch for the mower deck The safety switch in the seat The safety switch in the steering controls Parking brake functionality Driving forward Driving backward Engaging the blades 12 Check the idle speed 13 Check the engine high idle speed 14 Inform the customer about The need and advantages of following the servi...

Page 52: ...engine oil 25 Hour Service 1 Check the fuel pump s air filter 2 Check the hydraulic system s oil level 3 Check the tire pressures 4 Lubricate the belt adjuster mower deck 5 Lubricate the belt adjuster hydraulic pumps 6 Check clean the engine s cooling air intake 7 Clean air filter dust cap ...

Page 53: ... engine oil 4 Lubricate according to lubrication chart 5 Check adjust the parking brake 100 Hour Service 1 Perform the 25 hour service 2 Perform the 50 hour service 3 Change the engine oil filter 4 Clean replace the spark plugs 5 Replace the fuel filter 6 Clean the cooling fins on the engine and transmission 7 Check V belts 8 Check tighten caster wheel axle bolts every 200 hours 9 Change the air f...

Page 54: ...s 6 Check adjust the cutting height 7 Check adjust the parking brake 50 hours 8 Clean change the spark plugs 100 hours 9 Change the fuel filter 100 hours 10 Clean the cooling fins 100 hours 11 Check the engine valve clearance 300 Hour Service 1 Perform the 25 hour service 2 Perform the 50 hour service 3 Perform the 100 hour service 4 Check adjust the mower deck 5 Clean the combustion chamber and g...

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