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English

Operator Manual

 

RZ4621 BF / 966582301

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

understand the instructions before using the machine.

Summary of Contents for 966582301

Page 1: ...English Operator Manual RZ4621 BF 966582301 Please read the operator s manual carefully and make sure you understand the instructions before using the machine ...

Page 2: ... 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 party ...

Page 3: ...ation 24 Training 24 Steering 24 Before Starting 25 Starting the Engine 25 Jumper Cables 28 Running 29 Operating On Hills 30 Mowing Tips 31 Stopping the Engine 32 Manual Transport 33 Maintenance 34 Maintenance Schedule 34 Battery 36 Safety System 37 Fuel Pump Air Filter 37 Tire Pressures 38 Parking Brake 38 V belts 39 Deck Belt 39 Cutting Blades 40 Blade replacement 40 Adjusting the Mower Deck 41 ...

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: ...ng 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 the 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: ...onal Manufacturing Number The machine s manufacturing number can be found on the printed plate affixed to 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 ...

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: ... by one person Do not mow in reverse unless absolutely 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 safe...

Page 10: ...turer 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 the hot exhaust or engine parts and burn Do not allow the mower deck to plow leaves or other debris causing buildup to occur Clean any oi...

Page 11: ...stacles Choose a low ground speed so that you will not have to stop while on the 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 ...

Page 12: ...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 Children who have been given rides in the past may suddenly appear in the mowi...

Page 13: ...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 tank Replace gas cap and tighten securely D...

Page 14: ...arly 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 you run the engine too fast you risk damaging the machine components Be very careful when handling battery acid Acid on sk...

Page 15: ...t the chassis cable from the battery first and reconnect it last Do not make a bridge short circuit across the starter 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 you run over or into anything If necessary make repairs before starting Ne...

Page 16: ...efore putting it in storage Regularly clean deck and underside of deck avoid spraying engine and electrical components with water WARNING This mower is equipped with an internal combustion engine and should not be used on or near any unimproved forested bush covered or grassy lands unless the engine s system is equipped with a spark arrester meeting applicable local or state laws if any If a spark...

Page 17: ...arking brake 2 Throttle control 3 Blade switch 4 Ignition switch 5 Choke control 6 Fuses 7 1 2 6 10 9 4 5 12 7 3 11 Fuel tank cap 8 Fuel shut off valve 9 Deck lift 10 Seat adjustment lever 11 Hour meter 12 Tracking adjustment 13 Transmission from the engine is made via a belt driven hydraulic pumps Using the left and right steering controls the flow is regulated and thereby the direction and speed...

Page 18: ...he 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: ...l regulates the engine speed and thereby the rate of rotation of the blades assuming the blade switch is pulled out see Engaging the Mower Deck In order to increase or decrease the engine speed the control is moved forward or back respectively Avoid idling the engine for long periods as there is a risk of fouling the spark plugs USE FULL THROTTLE WHEN MOWING for best mower performance and battery ...

Page 20: ...hey are accessed by tilting the seat forward They are flat pin fuses of the same type used in automobiles There are two fuses with ratings and functions 20 Amp Primary fuse 7 5 Amp Mower deck coupling Choke Control The choke control is used for cold starts in order to provide the engine with a richer fuel mixture For cold starts the control should be pulled out 8011 420 Fuses 8052 001 Ignition swi...

Page 21: ... attract moisture which leads to separation and formation of acids during storage Acidic gas can damage the fuel system of an engine while in storage To avoid engine problems the fuel system should be emptied before storage of 30 days or longer Drain the gas tank start the engine and let it run until the fuel lines and carburetor are empty Use fresh fuel the next season See Storage Instructions fo...

Page 22: ...e button and move the lever forward to the correct cutting height on the cutting plate The cutting height range is from 1 38mm to 4 102mm in 13mm increments The heights are measured from the ground up to the blade tip with the engine not running 8058 019 The mower deck s lifting lever IMPORTANT INFORMATION In order to obtain an even cutting height it is important that the air pressure in all tires...

Page 23: ...me on and shut off automatically The hour meter cannot be manually reset 8052 001 Hour meter Tracking Knob If the mower is not tracking straight check the air pressure in both rear tires Recommended air pressure is 15 psi 103 kPa 1 bar for all tires Tracking must be checked on a flat and level concrete or blacktop surface Rotating the tracking knob allows fine tuning adjustments so the machine tra...

Page 24: ... push 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 leve...

Page 25: ...for engaging the mower blades must be depressed The parking brake must be on Both steering controls must be in the locked outer neutral position Starting the Engine Sit on the seat Raise the mower deck by pushing the release button on the top of the lifting lever Pull the lifting lever backward to the locked transport position Activate the parking brake by pushing the release button in and pulling...

Page 26: ...utral position 8052 001 Set the throttle 8052 001 Set the choke control Move the steering controls outward to the locked outer neutral position Move the throttle to the middle position If the engine is cold the choke control should be pulled up ...

Page 27: ...ystem damage The engine exhaust contains carbon monoxide which is a odorless colorless poisonous gas Do not use the machine in enclosed spaces 8050 780 Turn to the start position 8052 001 Set the engine speed 8050 781 Return to run position Press in and turn the ignition key to the start position Set the desired engine speed with the throttle Allow the engine to run at a moderate speed half thrott...

Page 28: ...the discharged battery away from the fuel tank and battery To remove cables reverse order Remove BLACK cable first from chassis and then from the fully charged battery Remove RED cable last from both batteries 8011 642 Jumper cable connection IMPORTANT INFORMATION Your mower is equipped with a 12 volt negative grounded system The other vehicle must also be a 12 volt negative grounded system Do not...

Page 29: ... neutral position 2 N Set retaining pin into selected cutting height and 3 secure the opposite side with a cotter hairpin 8058 020 Parking brake released 8058 019 Mower deck lifting lever WARNING Ensure that no one is near mower when engaging blade switch Make sure the work area is free from objects that could be thrown by the rotating blades 8058 024 Secure selected cutting height Push the releas...

Page 30: ...e other steering control forward from its neutral position 8052 001 Set blade engagement and throttle control Operating On Hills Read the safety instructions Driving on Slopes in the Safety Instructions The slowest speed possible should be used before starting up or down hills Avoid stopping or changing speed on hills If stopping is absolutely necessary pull steering controls into the neutral posi...

Page 31: ...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 32: ...de switch 8052 001 Disengage the mower deck and move throttle to minimum Raise the mower deck by pressing the release button on the lever and pulling fully backward to the transport position 8061 026 Place controls in neutral position to stop Move the throttle to the minimum position tortoise symbol Turn the ignition key to the stop position Move the steering controls outward Remove key Always rem...

Page 33: ...ut of 2 the keyhole slots Release the levers with the head outside the frame and held in the bypass position To reengage the EZT s to drive reverse the 3 above procedure Load the machine into truck or trailer by driving up ramps in low gear DO NOT LIFT The machine is not intended to be lifted by hand 8058 032 Bypass linkage EZT engaged 8058 033 Bypass linkage EZT locked in the bypass position WARN...

Page 34: ... temperatures replace every 50 hours 2 In dusty conditions cleaning and replacement are required more often 3 Performed by authorized service workshop Described in this manual Not described in this manual Refer to the engine manufacturer s manual MAINTENANCE Daily At least once each year Maintenance interval in hours Before After 25 50 100 300 Check the parking brake Check the engine s oil level e...

Page 35: ...50 hours 2 In dusty conditions cleaning and replacement are required more often 3 Performed by authorized service workshop Described in this manual Not described in this manual Refer to the engine manufacturer s manual MAINTENANCE Daily At least once each year Maintenance interval in hours Before After 25 50 100 300 Check adjust throttle cable Check the condition of belts belt pulleys Change the e...

Page 36: ... min 280 min 11 8V 0 85 min 150 min 195 min 370 min Charging time depends on battery capacity condition age temperature and efficiency of charger Cleaning battery and terminals Corrosion and dirt on the battery and terminals can cause the battery to leak power Open the terminal access doors 1 Disconnect BLACK battery cable first then the 2 RED battery cable and remove the battery from the machine ...

Page 37: ...stem 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 In order to be able to drive the driver must sit in the seat and release the parking brake before the steering controls ca...

Page 38: ...ent braking action To adjust the parking brake contact the Husqvarna service workshop IMPORTANT INFORMATION The machine must be absolutely standing still when applying the parking brake Tire Pressures All tires should be at 15 psi 103 kPa 1 bar 8011 564 Check tire pressures 8058 020 Parking brake WARNING Faulty adjustment will result in reduced braking ability and can cause an accident ...

Page 39: ...lt installation NOTE For ease in installing the deck belt refer to the routing decal on the top of the deck Wrap the deck belt around the electric clutch 1 pulley that is located on the engine shaft Route the belt forward and up onto the deck 2 Place belt around spring loaded idler pulley 3 Wrap the belt around the stationary idler pulley 4 and around the mandrel housings Push inward on the idler ...

Page 40: ...er housing 3 Blade attachment Cutting Blades In order to attain the best mowing effect it is important that the blades are well sharpened and not damaged Bent or cracked blades or blades with large nicks should be replaced IMPORTANT INFORMATION The sharpening of blades should be carried out by an authorized service workshop WARNING Blades are sharp Protect your hands with gloves and or wrap blades...

Page 41: ...is the same If adjustment is required with a or adjustable wrench turn the lift link adjustment nuts on either side counter clockwise to lower or clockwise to raise Adjust until both side to side measurements are equal 8058 030 Lift link adjustment nut 8058 031 Deck front adjustment nuts Turn any blade to align with the deck in front 4 to rear manner If the front blade tip does not measure 1 8 to ...

Page 42: ...IMPORTANT INFORMATION Adjust anti scalp rollers with the mower on a flat level surface The anti scalp rollers can be set in three positions Upper position 1 to 2 38 to 64 mm grass Middle position 2 to 4 64 to 102 mm grass Lower position 4 to 6 102 to 128 mm grass The rollers should be approximately 6 5 mm from ground Do not adjust the rollers to support the deck IMPORTANT INFORMATION The anti scal...

Page 43: ...ll in reverse order Tighten caster bolt Hardware Check daily Inspect the entire machine for loose or missing hardware 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 un...

Page 44: ...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 8050 832 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 45: ... good quality bearing grease 8058 068 Lubricating the front wheels 8011 732 Deck spindle IMPORTANT INFORMATION Use minimal lubrication and remove excess lubricant so that is does not come into contact with belts or belt pulley drive surfaces Deck Spindles Lower the cutting deck completely If a grease gun without a rubber hose is used the foot plate must be removed Lubricate with a grease gun 2 3 s...

Page 46: ...tact of the battery terminal cable connections Blown fuse Fault in the starter safety circuit See Checking the Safety System in the Maintenance Section Engine runs rough Faulty carburetor 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 Rich fuel mixture or fuel air mixture Wrong fuel type ...

Page 47: ... brake on Bypass valve on pump open Drive belt for the transmission slack or has come off Air trapped 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 cable contact Blown fuse Transaxle leaks oil Damaged seals housing or gaskets Air trapped in hydraulic system...

Page 48: ...anks 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 battery Clean ch...

Page 49: ...49 schematics ...

Page 50: ...Electric Transmission Transmission Hydrostatic transaxles Speed and direction controls Dual levers foam gripped Speed forward 0 6 mph 0 9 7 km h Speed reverse 0 3 5 mph 0 5 6 km h Brakes Mechanical parking brake Front caster tires smooth tread 13 x 5 0 6 4 ply Rear tires turf pneumatic 18 x 7 5 8 Tire pressure 15 PSI 103 kPa 1 bar The power rating of the engines indicated is the average net power ...

Page 51: ...llers No Sprung Seat Standard Hinged Arm Rests Accessory Hour Meter Standard Blade Engagement Electromagnetic clutch Deck Construction Stamped Productivity 2 8 acres h 11290 m2 h Dimension Weight 525 lbs 238 kg Base Machine Length 75 191cm Base Machine Height 40 102cm Base Machine Width 41 106 cm Overall Width Chute Up 48 122 cm Overall Width Chute Down 56 142 cm ...

Page 52: ...Nm Shank Size Diameter in inches fine or coarse thread 9 12 13 18 5 16 18 24 28 38 24 33 3 8 31 42 46 62 40 54 7 16 50 68 75 108 75 102 115 156 9 16 110 150 165 224 5 8 150 203 225 305 250 339 370 502 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 ft lbs ft lbs Nm ft lbs Nm ...

Page 53: ...ts 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 CE requirements The Declaration of Conformity is included in the literature packet ...

Page 54: ...brake q The safety switch for the mower deck q The safety switch in the seat q The safety switch in the steering controls q Parking brake functionality q Driving forward q Driving backward q Engaging the blades q Check the idle speed q Check the engine high idle speed q Inform the customer about The need and advantages of following the service schedule q The need and advantages of leaving the mach...

Page 55: ...e tire pressures q Check battery with cables q Lubricate according to lubrication chart q Check clean the engine s cooling air intake q Clean the air cleaner s pre filter foam q Delivery Service Charge the battery q 55 SERVICE JOURNAL Action Date mtr reading stamp sign Action Date mtr reading stamp sign ...

Page 56: ... q Change the air filter s paper cartridge q Change hydraulic pump oil and filter 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 Change engine oil q Lubricate according to lubrication chart q Check adjust the parking brake q 56 SERVICE JOURNAL Action Date mtr reading stamp si...

Page 57: ...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 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 combustion chamber and grind the valve seats q Check the engine valve clearance q Replace the air cleaner s pre filt...

Page 58: ...SERVICE JOURNAL Action Date mtr reading stamp sign ...

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