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Form No. 3371-826 Rev A

TITAN ZX4820 or ZX5420
Zero-Turn-Radius Riding Mower

Model No. 74920—Serial No. 312000001 and Up

Model No. 74924—Serial No. 312000001 and Up

To register your product or download an

Operator's Manual

Parts Catalog

at no charge, go to www.Toro.com.

Original Instructions (EN)

Содержание 74920

Страница 1: ... Zero Turn Radius Riding Mower Model No 74920 Serial No 312000001 and Up Model No 74924 Serial No 312000001 and Up To register your product or download an Operator s Manual or Parts Catalog at no charge go to www Toro com Original Instructions EN ...

Страница 2: ...our product Whenever you need service genuine Toro parts or additional information contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready Figure 1 identifies the location of the model and serial numbers on the product Write the numbers in the space provided G010228 1 Figure 1 1 Model and serial number location Model No Serial No Th...

Страница 3: ...ay violate EPA and CARB regulations Replace all parts including but not limited to tires belts blades and fuel system components with original Toro parts For models with stated engine horsepower the gross horsepower of the engine was laboratory rated by the engine manufacturer in accordance with SAE J1940 and rated to J2723 Do not tamper with the engine controls or alter the governor speed doing s...

Страница 4: ...ch Mower to Side Discharge 29 Converting the 54 inch Mower to Side Discharge 30 Using the Side Discharge 32 Operating Tips 33 Maintenance 34 Recommended Maintenance Schedule s 34 Premaintenance Procedures 36 Raising the Seat 36 Lubrication 36 Greasing the Bearings 36 Engine Maintenance 37 Servicing the Air Cleaner 37 Servicing the Engine Oil 37 Servicing the Spark Plug 39 Cleaning the Cooling Syst...

Страница 5: ... unsuitable for its task lack of awareness of the effect of ground conditions especially slopes incorrect hitching and load distribution Preparation While mowing always wear substantial footwear and long trousers Do not operate the equipment when barefoot or wearing open sandals Thoroughly inspect the area where the equipment is to be used and remove all objects which may be thrown by the machine ...

Страница 6: ...he engine is provided with a shut off valve turn the fuel off at the conclusion of mowing Lightning can cause severe injury or death If lightning is seen or thunder is heard in the area do not operate the machine seek shelter Maintenance and Storage Keep all nuts bolts and screws tight to be sure the equipment is in safe working condition Never store the equipment with fuel in the tank inside a bu...

Страница 7: ...ed and locked position and use the seat belt when operating the machine Be certain that the seat belt can be released quickly in the event of an emergency Be aware there is no rollover protection when the roll bar is down Check the area to be mowed and never fold the ROPS in areas where there are slopes drop offs or water Lower the rollbar only when absolutely necessary Do not wear the seat belt w...

Страница 8: ...36 Hand Arm Vibration Measured vibration level for left hand 3 1 m s2 Measured vibration level for right hand 2 7 m s2 Uncertainty Value K 1 5 m s2 Measured values were determined according to the procedures outlined in EN 836 Whole Body Vibration Measured vibration level 0 71 m s2 Uncertainty Value K 0 35 m s2 Measured values were determined according to the procedures outlined in EN 836 Riding S...

Страница 9: ... degrees Use the slope chart to determine the degree of slope of hills before operating Do not operate this machine on a slope greater than 15 degrees Fold along the appropriate line to match the recommended slope 2 Align this edge with a vertical surface a tree building fence pole etc 3 Example of how to compare slope with folded edge 9 ...

Страница 10: ...brake engaged 110 6691 1 Thrown object hazard keep bystanders a safe distance from the machine 2 Thrown object hazard mower do not operate without the deflector discharge cover or grass collection system in place 3 Cutting dismemberment of hand or foot stay away from moving parts 107 3069 1 Warning there is no rollover protection when the roll bar is down 2 To avoid injury or death from a rollover...

Страница 11: ...g parts Battery Symbols Some or all of these symbols are on your battery 1 Explosion hazard 6 Keep bystanders a safe distance from the battery 2 No fire open flame or smoking 7 Wear eye protection explosive gases can cause blindness and other injuries 3 Caustic liquid chemical burn hazard 8 Battery acid can cause blindness or severe burns 4 Wear eye protection 9 Flush eyes immediately with water a...

Страница 12: ...ginal machine manufacturer 114 1606 1 Entanglement hazard belt keep all guards in place 115 9632 1 Power take off PTO Blade control switch on some models 5 Fast 2 Blade control switch On 6 Continuous variable setting 3 Blade control switch Off 7 Slow 4 Choke 117 1194 1 Engine 12 ...

Страница 13: ...f bystanders reversing do not carry passengers look behind and down when reversing 3 Cutting dismemberment hazard mower blade entanglement hazard belt stay away from moving parts keep all guards and shields in place 7 Thrown object hazard keep bystanders a safe distance from the machine pick up debris before operating keep deflector in place 4 Warning do not use split ramps use a full ramps when t...

Страница 14: ...e 4 Check the hydraulic oil every 25 hours 2 Check the engine oil every 8 hours 5 Check the caster wheel tire pressure every 25 hours 3 Check the drive wheel tire pressure every 25 hours 6 Lubricate the caster wheel every 25 hours 119 8983 1 Fuel 2 Full 3 Half 4 Empty 14 ...

Страница 15: ...119 8986 1 Fuel 2 Full 3 Half 4 Empty 15 ...

Страница 16: ...evers 7 Front caster wheel 10 Deflector 2 Operator seat 5 Parking brake 8 Anti scalp roller 3 Roll over protection system ROPS 6 Footrest 9 Foot pedal deck lift and height of cut G014766 1 2 3 4 Figure 5 1 Mower Deck 3 Engine 2 Drive wheel 4 Roll over protection system ROPS folded down 16 ...

Страница 17: ...hours the blades have operated It operates when the blade control switch PTO is engaged Use these times for scheduling regular maintenance Figure 6 Fuel Gauge The fuel window located below the operator position can be used to verify the level of gasoline in the tank Figure 7 G010077 1 Figure 7 1 Fuel gauge window Motion Control Levers The motion control levers are speed sensitive controls of indep...

Страница 18: ...in the safety section Knowing this information could help you your family pets or bystanders avoid injury DANGER Mowing on wet grass or steep slopes can cause sliding and loss of control Wheels dropping over edges can cause rollovers which may result in serious injury death or drowning A loss of traction is a loss of steering control To avoid loss of control and possibility of rollover Do not mow ...

Страница 19: ...ry 1 To raise the roll bar remove the hair cotter pin and remove the locking pins 2 Raise the roll bar to the upright position Figure 9 G015034 Figure 9 Important Always use the seat belt with the roll bar in the raised position 3 Install the locking pins Secure the pins by installing the hair cotter pin Figure 10 G015035 1 2 3 2 Figure 10 1 Hole in ROPS 3 Hair pin cotter 2 Locking pin 4 To lower ...

Страница 20: ...extremely flammable and highly explosive A fire or explosion from gasoline can burn you and others and can damage property Fill the fuel tank outdoors in an open area when the engine is cold Wipe up any gasoline that spills Never fill the fuel tank inside an enclosed trailer Do not fill the fuel tank completely full Add gasoline to the fuel tank until the level is 1 4 to 1 2 inch 6 to 13 mm below ...

Страница 21: ...dow below the operating position verify the presence of gasoline before filling the tank Figure 11 2 Slowly add regular unleaded gasoline until the fuel reaches the base of the filler neck Figure 12 G010475 1 2 4 3 Figure 12 3 Install the fuel tank cap securely and tighten until it clicks Wipe up any gasoline that may have spilled Checking the Engine Oil Level Before you start the engine and use t...

Страница 22: ... the choke to disengage the choke after the engine has started Figure 16 G008959 1 2 Figure 16 1 On 2 Off Operating the Ignition Switch 1 Turn the ignition key to the Start position Figure 17 When the engines starts release the key Important Do not engage starter for more than 5 seconds at a time If the engine fails to start allow a 15 second cool down period between attempts Failure to follow the...

Страница 23: ... ignition key to the Start position Figure 17 When the engines starts release the key Important Do not engage starter for more than 5 seconds at a time If the engine fails to start allow a 15 second cool down period between attempts Failure to follow these instructions can burn out the starter motor Note Additional starting cycles may be required when starting the engine for the first time after t...

Страница 24: ...NING If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury Do not tamper with the interlock switches Check the operation of the interlock switches daily and replace any damaged switches before operating the machine Understanding the Safety Interlock System The safety interlock system is designed to prevent the engine from starting u...

Страница 25: ... on the seat engage the parking brake move the blade control switch to Off and lock the motion control levers in neutral Start the engine While the engine is running center the motion controls the engine should stop Driving Forward or Backward The throttle control regulates the engine speed as measured in rpm revolutions per minute Place the throttle control in the fast position for best performan...

Страница 26: ...attended Always remove the ignition key and set the parking brake when leaving the machine unattended even if just for a few minutes Adjusting the Height of Cut The machine is equipped with a foot pedal deck lift system The operator can use the foot pedal to lift the deck briefly to avoid obstacles or lock the deck in the highest height of cut or transport position The operator can use the height ...

Страница 27: ...ck lift pedal with your foot and raise the mower deck to the transport position also the 4 5 inch 114 mm cutting height position Figure 27 2 Remove the pin from the height of cut bracket Figure 27 3 Select the lower hole on the lock decal and insert the pin Figure 27 To lock the deck in the lowest height of cut position 1 Push on the deck lift pedal with your foot and raise the mower deck to the t...

Страница 28: ...upper bolt holding the control lever to the control arm shaft 2 Loosen the lower bolt just enough to pivot the control lever fore or aft Tighten both bolts to secure the control in the new position 3 Repeat the adjustment for the opposite control lever Pushing the Machine by Hand Important Always push the machine by hand Never tow the machine because damage may occur To Push the Machine 1 Park the...

Страница 29: ... moving parts to stop before leaving the operating position 3 Remove the mower as described in the Removing the Mower procedure in the Maintenance section for more information 4 Turn the mower upside down 5 Remove the existing mower blades installed on your deck Refer to the Removing the Blades procedure in the Maintenance section for more information 6 Remove the two locknuts 5 16 inch secured to...

Страница 30: ...al authorized Toro dealer To maintain optimum mulching performance always install the mulching blades that are shipped with this unit when changing back to mulching operation Install the fasteners into the same holes in the deck they were originally removed from This ensure no holes are left open when the deck is operated DANGER Open holes in the mower expose you and others to thrown debris Debris...

Страница 31: ... inch and locknut 5 16 inch on the rear wall of the mower deck securing the baffle to the deck Figure 37 G010712 1 2 4 3 5 6 7 Figure 37 1 Carriage bolt 5 16 x 3 4 inch 5 Hex head bolt forward hole in deck reinstall after baffle is removed 2 Locknuts front of discharge plate reinstall after baffle is removed 6 Carriage bolts front of discharge plate reinstall after baffle is removed 3 Locknut forw...

Страница 32: ...tained from your local authorized Toro dealer 17 Install the mower as described in the Installing the Mower procedure in the Maintenance section for more information Using the Side Discharge The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf DANGER Without a grass deflector discharge cover or complete grass catcher assembly mounted in place you and...

Страница 33: ... frequently If you cannot mow for an extended period first mow at a high cutting height then mow again two days later at a lower height setting Cutting Speed To improve cut quality use a slower ground speed in certain conditions Avoid Cutting Too Low If the cutting width of the mower is wider than the mower you previously used raise the cutting height to ensure that uneven turf is not cut too shor...

Страница 34: ... oil more often in dusty dirty conditions Check the spark plug s Replace the fuel filters more often under dusty dirty conditions Every 200 hours Replace the paper element more often in dusty dirty conditions Change the oil filter more often in dusty dirty conditions Every 400 hours Change the hydraulic system filter and oil Monthly Check the battery charge Yearly or before storage Paint chipped s...

Страница 35: ...nual before performing any maintenance 4 Check the hydraulic oil every 25 hours 2 Check the engine oil every 8 hours 5 Check the caster wheel tire pressure every 25 hours 3 Check the drive wheel tire pressure every 25 hours 6 Lubricate the caster wheel every 25 hours 35 ...

Страница 36: ...1 Park the machine on a level surface and disengage the blade control switch 2 Move the motion control levers outward to the neutral lock position stop the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Clean the grease fittings Figure 41 and Figure 40 with a rag Make sure to scrape any paint off of the front of the fitting s G009949 1 Figure 41...

Страница 37: ...ice Interval Every 100 hours Service the paper element more often in dusty dirty conditions Every 200 hours Yearly whichever comes first Replace the paper element more often in dusty dirty conditions 1 Lightly tap the element on a flat surface to remove dust and dirt 2 Inspect the element for tears an oily film and damage to the seal Important Never clean the paper element with pressurized air or ...

Страница 38: ... engine clean the area around the oil fill cap dipstick before removing it 4 Stop the engine remove the key and wait for all moving parts to stop before leaving the operating position Figure 44 G008792 1 2 5 6 7 3 9 10 4 8 Figure 44 Changing the Engine Oil Service Interval After the first 8 hours Change the engine oil Every 100 hours Change the engine oil more often in dusty dirty conditions Note ...

Страница 39: ... dusty or sandy 1 Drain the oil from the engine refer to Changing the Engine Oil 2 Change the engine oil filter Figure 47 G008748 3 4 1 2 3 4 5 6 Figure 47 Note Ensure the oil filter gasket touches the engine and then an extra 3 4 turn is completed 3 Fill the crankcase with the proper type of new oil refer to Changing the Oil Servicing the Spark Plug Service Interval Every 100 hours Check the spar...

Страница 40: ... plug s when it has a black coating worn electrodes an oily film or cracks If you see light brown or gray on the insulator the engine is operating properly A black coating on the insulator usually means the air cleaner is dirty Set the gap to 0 030 inches 0 76 mm G008794 1 2 Figure 49 Installing the Spark Plug Tighten the spark plug s to 16 ft lb 22 N m 16 ft lb 22 N m G010687 Figure 50 Cleaning t...

Страница 41: ...he machine to cool down 4 Raise the seat and locate the fuel filters as shown in Figure 51 g017723 1 2 3 4 5 Figure 51 1 Fuel line from tank 4 Fuel line to engine 2 In line Fuel filter 5 Hose clamp 3 Flow direction arrow 5 Squeeze the ends of the hose clamps together and slide them away from the filter Figure 52 G008963 1 2 3 Figure 52 1 Fuel filter 3 Fuel line 2 Hose clamp 6 Remove the filter fro...

Страница 42: ...nals and metal parts of the machine WARNING Incorrect battery cable routing could damage the machine and cables causing sparks Sparks can cause the battery gasses to explode resulting in personal injury Always Disconnect the negative black battery cable before disconnecting the positive red cable Always Reconnect the positive red battery cable before reconnecting the negative black cable 1 Disenga...

Страница 43: ...s below 32 F 0 C 1 Charge battery for 10 to 15 minutes at 25 to 30 amps or 30 minutes at 10 amps 2 When the battery is fully charged unplug the charger from the electrical outlet then disconnect the charger leads from the battery posts Figure 54 3 Install the battery in the machine and connect the battery cables refer to Installing the Battery Note Do not run the machine with the battery disconnec...

Страница 44: ...air pressure in the front and rear tires as specified Uneven tire pressure can cause uneven cut Check the pressure at the valve stem Figure 56 Check the tires when they are cold to get the most accurate pressure reading Refer to the maximum pressure suggested by the tire manufacturer on the sidewall of the caster wheel tires Inflate the rear drive wheel tires to 13 psi 90 kPa Figure 56 1 Valve ste...

Страница 45: ... irreparable damage to the transaxle drive system Removing Hydraulic System Filters 1 Stop engine wait for all moving parts to stop and allow engine to cool Remove the key and engage the parking brake 2 Locate the filter and guards on each transaxle drive system Figure 58 Remove three screws securing the filter guard and guard G010254 1 2 3 4 5 Figure 58 Right side shown 1 Transaxle drive 4 Screws...

Страница 46: ...ransaxle drive system Bleeding the Hydraulic System 1 Raise the rear of machine up and support with jack stands or equivalent support just high enough to allow drive wheels to turn freely G010333 1 Figure 60 1 Jacking points 2 Enter the operator s position Start engine and move throttle control ahead to 1 2 throttle position Disengage parking brake A Move the bypass levers into the pushing the mac...

Страница 47: ...level surface disengage the blade control switch PTO and set the parking brake Turn the ignition key to Off Remove the key Inspecting the Blades Service Interval Before each use or daily 1 Inspect the cutting edges Figure 61 If the edges are not sharp or have nicks remove and sharpen the blades Refer to Sharpening the Blades 2 Inspect the blades especially the curved area Figure 61 If you notice a...

Страница 48: ...th a new blade Never file or create sharp notches in the edges or surfaces of blade A If the difference between A and B is greater than 1 8 inch 3mm replace the blade with a new blade Refer to Removing the Blades and Installing the Blades Note If a bent blade is replaced with a new one and the dimension obtained continues to exceed 1 8 inch 3mm the blade spindle could be bent Contact an Authorized...

Страница 49: ...st be installed toward the bolt head Figure 66 Torque the blade bolt to 100 110 ft lb 135 150 N m Mower Deck Leveling Check to ensure the mower deck is level any time you install the mower or when you see an uneven cut on your lawn The mower deck must be checked for bent blades prior to leveling any bent blades must be removed and replaced Refer to the Checking for Bent Blades procedure before con...

Страница 50: ... rear blade to the flat surface Figure 70 If the front blade tip is not 1 16 5 16 inch 1 6 7 9 mm lower than the rear blade tip continue to the Leveling the Mower Deck procedure Figure 70 1 Blades front to rear 3 Measure from the tip of the blade to the flat surface here 2 Outside cutting edges Leveling the Mower Deck 1 Set anti scalp rollers to top holes or remove completely for this procedure 2 ...

Страница 51: ...the parking brake 2 Stop the engine remove the key and wait for all moving parts to stop before leaving the operating position 3 Lower the mower to the 3 inch 76 mm height of cut position 4 For each of the belt covers loosen the two bolts but do not remove them Slide the cover until it is clear of the bolts and lift it up and out to remove it 5 Remove the floor pan to access the idler pulley refer...

Страница 52: ... off the rear hanger bolts and lower the front of the mower deck to the ground Figure 75 G010304 1 2 3 4 5 6 7 Figure 75 1 Deck hanger 5 Rear hanger bolts 2 Hairpin cotter 6 J hook 3 Washer 7 Rear deck hanger bracket 4 Welded post on deck 4 Raise the height of cut to the transport position 5 Slide the mower out from underneath the machine Note Retain all parts for future installation Installing th...

Страница 53: ...deflector with the bracket ends between the welded brackets on the deck as shown in Figure 76 3 Install the spring onto the straight end of the rod Position the spring on the rod as shown in so the shorter spring end is coming from under the rod before the bend and going over the rod as it returns from the bend 4 Lift the loop end of the spring and place it into the notch on the deflector bracket ...

Страница 54: ...etroleum jelly on the washout fitting O ring to make the coupling slide on easier and protect the O ring G010344 1 2 3 4 5 6 Figure 78 1 Washout fitting locations on 54 inch decks 4 O ring 2 Washout fitting locations on 48 inch decks 5 Hose 3 Washout fitting 6 Coupling 4 Lower the mower to the lowest height of cut 5 Sit on the seat and start the engine Engage the blade control switch and let the m...

Страница 55: ...in the Maintenance Section 4 Service the air cleaner refer to Servicing the Air Cleaner in the Maintenance Section 5 Grease the machine refer to Greasing and Lubrication in the Maintenance Section 6 Change the crankcase oil refer to Servicing the Engine Oil in the Maintenance Section 7 Check the tire pressure refer to Checking the Tire Pressure in the Maintenance Section 8 Change the hydraulic fil...

Страница 56: ...ot store stabilizer conditioned fuel over 90 days 13 Check and tighten all bolts nuts and screws Repair or replace any part that is damaged 14 Paint all scratched or bare metal surfaces Paint is available from your Authorized Service Dealer 15 Store the machine in a clean dry garage or storage area Remove the key from the ignition switch and keep it out of reach of children or other unauthorized u...

Страница 57: ...Replace seat if needed 9 Electrical connections are corroded loose or faulty 9 Check the electrical connections for good contact Clean connector terminals thoroughly with electrical contact cleaner apply dielectric grease and reconnect 10 Relay or switch is defective 10 Contact an Authorized Service Dealer 11 Faulty spark plug 11 Clean adjust or replace spark plug Engine will not start starts hard...

Страница 58: ...rvice Dealer 6 Blade spindle is bent 6 Contact an Authorized Service Dealer Abnormal vibration 7 Motor mount is loose or worn 7 Contact an Authorized Service Dealer 1 Blade s not sharp 1 Sharpen the blade s 2 Cutting blade s is are bent 2 Install new cutting blade s 3 Mower deck is not level 3 Level mower deck from side to side and front to rear 4 Underside of mower is dirty 4 Clean the underside ...

Страница 59: ...Schematics G014723 Wire Diagram Rev B 59 ...

Страница 60: ...Notes 60 ...

Страница 61: ...Notes 61 ...

Страница 62: ...Toro s affiliates dealers or other business partners in connection with any of these activities We will not sell your personal information to any other company We reserve the right to disclose personal information in order to comply with applicable laws and with requests by the appropriate authorities to operate our systems properly or for our own protection or that of other users Retention of you...

Страница 63: ...9479 Hydroturf Egypt LLC Egypt 202 519 4308 Ibea S P A Italy 39 0331 853611 Irriamc Portugal 351 21 238 8260 Irrigation Products Int l Pvt Ltd India 86 22 83960789 Jean Heybroek b v Netherlands 31 30 639 4611 Maquiver S A Colombia 57 1 236 4079 Maruyama Mfg Co Inc Japan 81 3 3252 2285 Metra Kft Hungary 36 1 326 3880 Mountfield a s Czech Republic 420 255 704 220 Munditol S A Argentina 54 11 4 821 9...

Страница 64: ... labor Frame failure due to misuse or abuse and failure or repair required due to rust or corrosion are not covered This warranty includes the cost of parts and labor but you must pay transportation costs Warranty may be denied if the hour meter is disconnected altered or shows signs of being tampered with Owner Responsibilities You must maintain your Toro Product by following the maintenance proc...

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