Form No. 3361-191 Rev A TimeCutter® Z4202 and Z5020 Riding Mower Model No. 74381—Serial No. 290000001 and Up Model No. 74399—Serial No. 290000001 and Up Register at www.Toro.com.
Introduction Figure 2 Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage. You are responsible for operating the product properly and safely. 1. Safety alert symbol. This manual uses two other words to highlight information. Important calls attention to special mechanical information and Note emphasizes general information worthy of special attention. You may contact Toro directly at www.Toro.
Safety Engine Maintenance............................................... 29 Servicing the Air Cleaner .................................... 29 Servicing the Engine Oil ..................................... 30 Servicing the Spark Plug ..................................... 32 Cleaning the Blower Housing.............................. 33 Fuel System Maintenance ....................................... 33 Replacing the Fuel Filter ..................................... 33 Electrical System Maintenance.............
– stay alert for humps and hollows and other hidden hazards; ◊ lack of awareness of the effect of ground conditions, especially slopes; ◊ incorrect hitching and load distribution. • Use care when pulling loads. – Use only approved drawbar hitch points. Preparation – Limit loads to those you can safely control. • While mowing, always wear substantial footwear and long trousers. Do not operate the equipment when barefoot or wearing open sandals.
Maintenance and Storage • Do not mow slopes when grass is wet. Slippery conditions reduce traction and could cause sliding and loss of control. • 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 building where fumes can reach an open flame or spark. • Allow the engine to cool before storing in any enclosure.
Model 74399 Sound Pressure This unit has a maximum sound pressure level at the operator’s ear of 92 dBA, based on measurements of identical machines per EN 836 and ISO 11201. Sound Power This unit has a guaranteed sound power level of 105 dBA, based on measurements of identical machines per ISO 11094. Vibration This unit does not exceed a hand/arm vibration level of 4.08 m/s2, based on measurements of identical machines per EN 836 and EN 1033. This unit does not exceed a whole body vibration level of 0.
Slope Chart 7
Safety and Instructional Decals Safety decals and instructions are easily visible to the operator and are located near any area of potential danger. Replace any decal that is damaged or lost. 114-1606 1. Entanglement hazard, belt—keep all guards in place. 93-7009 1. Warning—don’t operate the mower with the deflector up or removed; keep the deflector in place. 2. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts. 99-3943 For Models with 50 Inch Decks 1.
112-9750 110-6691 1. Parking position 2. Fast 3. Slow 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Thrown object hazard, mower—do not operate the without deflector, discharge cover or grass collection system in place. 3. Cutting/dismemberment of hand or foot—stay away from moving parts. 4. Neutral 5. Reverse 112-9751 1. Parking position 2. Fast 3. Slow 4. Neutral 5. Reverse 110-6824 112-9840 For Models with 50 Inch Decks 1. Height-of-cut 3.
114-8532 1. Bypass lever position for operating the machine Battery Symbols Some or all of these symbols are on your battery 2. Bypass lever position for pushing the machine 1. Explosion hazard 2. No fire, open flame, or smoking. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection 5. Read the Operator’s Manual. 6. Keep bystanders a safe distance from the battery. 7. Wear eye protection; explosive gases can cause blindness and other injuries 8.
5-2490 1. Fuel gauge 2. Full 3. Half 4. Empty 115-2452 1. Fuel gauge 2. Full 3. Half 11 4.
Product Overview Figure 3 1. Footrest 2. Height of cut lever 3. Fuel gauge 7. Rear drive wheel 8. Washout fitting 9. Mower deck 4. Control panel 5. Motion control levers 6. Operator seat 10. Anti-scalp roller 11. Front caster wheel Figure 4 1. Motion control levers 3. Gas tank cap 5. Deflector 2. Height of cut lever 4. Engine 6. Engine guard (Model 74399 only) 12 7.
Controls reverse; wheel speed is proportional to the amount the lever is moved. Move the control levers outward from the center to the park position and exit the machine (Figure 15). Always position the motion control levers into the park position when you stop the machine or leave it unattended. Become familiar with all of the controls in Figure 3, Figure 4, and Figure 5 before you start the engine and operate the machine.
Operation Note: Determine the left and right sides of the machine from the normal operating position. Think Safety First Please carefully read all of the safety instructions and decals in the safety section. Knowing this information could help you, your family, pets or bystanders avoid injury. Figure 7 Mowing on wet grass or steep slopes can cause sliding and loss of control. 1. Safe Zone-use the TimeCutter here 2. Use walk behind mower and/or hand trimmer near drop-offs and water. 3.
In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion from gasoline can burn you and others and can damage property. In certain conditions during fueling, static electricity can be released causing a spark which can ignite the gasoline vapors. 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.
Add the correct amount of gas stabilizer/conditioner to the gas. allows gasoline to expand. Do not fill the fuel tank completely full. 4. Install the fuel tank cap securely. Wipe up any gasoline that may have spilled. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline. To minimize the chance of varnish deposits in the fuel system, use fuel stabilizer at all times.
3. Move the throttle lever to Choke before starting a cold engine (Figure 11). 2 Note: A warm or hot engine may not require choking. 2 3 1 4 5 6 1 3 G005058 G005057 4 2 Figure 12 1. Control panel 4. Off 2. Ignition key—run position 5. Run 3. Ignition key—start position 6. Start 5 5. After the engine starts, move the throttle lever to Fast (Figure 11). If the engine stalls or hesitates, move the throttle lever back to Choke for a few seconds. Repeat this as required. 6 Figure 11 1.
The Safety Interlock System If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. 2 • Do not tamper with the interlock switches. G005059 1 • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. Figure 13 1. Control panel 2.
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 performance. Always operate in the full throttle position. The machine can spin very rapidly. The operator may lose control of the machine and cause personal injury or damage to the machine. • Use caution when making turns. G008952 • Slow the machine down before making sharp turns.
1 To turn, release the pressure on the motion control lever toward the direction you want to turn. To stop, push the motion control levers to neutral. 2 3 Stopping the Machine 4 5 6 7 8 To stop the machine, move the motion control levers to neutral and outward to the park position, disengage the blade control switch, ensure the throttle is in the fast position, and turn the ignition key to off. Remember to remove the key from the ignition switch.
Using the Foot Assist Pedal (Model 74399 only) Positioning the Seat The foot assist pedal can be used with the height of cut lever to help adjust the deck height. The seat can move forward and backward. Position the seat where you have the best control of the machine and are most comfortable. 1. Enter the operator’s position. Place a foot on the foot assist pedal and apply pressure. 1. Raise the seat and loosen the adjustment knob just enough that seat can move (Figure 20). 2.
1 4. Move the bypass levers rearward and then down to lock them in place as shown in Figure 22 to disengage the wheel motors. Repeat this on each side of the machine. 2 3 4 5. Move the motion control levers inward to the neutral position. The machine is now able to be pushed by hand. G005062 Figure 21 1. Control arm shaft 2. Control lever 3. Slotted, upper hole 4. Bolt 3. Repeat the adjustment for the opposite control lever. Figure 22 Right side shown Adjusting the Tilt 1.
Grass Deflector for all moving parts to stop before leaving the operating position. The mower has a hinged grass deflector that disperses clippings to the side and down toward the turf. 3. Remove the 2 bolts and nuts that secure the discharge cover to the mower (Figure 23). G009660 1 Without the grass deflector, discharge cover, or complete grass catcher assembly mounted in place, you and others are exposed to blade contact and thrown debris.
2. Move the motion control levers outward to park position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3. Remove the right mower blade. Refer to the Mower Maintenance section. 4. Remove the 2 knobs and curved washers that secure the right baffle to the mower as shown in Figure 25. G005652 Figure 24 1. Discharge cover 2. Cap nut (1/4 inch) 3. Bolt (1/4 x 2-1/2 inches) Figure 25 1. Knob 4.
6. Install the fasteners into the holes in the top of the mower to prevent flying debris. by uncut grass. Always try to have one side of the mower free from uncut grass, which allows air to be drawn into the mower. Cutting a Lawn for the First Time Open holes in the mower expose you and others to thrown debris which can cause severe injury. Cut grass slightly longer than normal to ensure that the cutting height of the mower does not scalp any uneven ground.
When Stopping If the machine’s forward motion must be stopped while mowing, a clump of grass clippings may drop onto your lawn. To avoid this, move onto a previously cut area with the blades engaged. Keep the Underside of the Mower Clean Clean clippings and dirt from the underside of the mower after each use. If grass and dirt build up inside the mower, cutting quality will eventually become unsatisfactory.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Before each use or daily Maintenance Procedure • • • • • • • Check the safety interlock system. Check the air cleaner for dirty, loose or damaged parts. Check the engine oil level. Check air intake and cooling areas, clean as necessary. Check the cutting blades. Inspect the grass deflector for damage Clean the mower housing.
Premaintenance Procedures Lubrication Raising the Seat Service Interval: Every 25 hours—Grease all lubrication points. Greasing the Bearings Make sure the motion control levers are locked in the park position. Lift the seat forward. Grease Type: No. 2 General Purpose Lithium Base Grease The following components can be accessed by raising the seat: 1. Park the machine on a level surface and disengage the blade control switch. • Serial plate 2.
Engine Maintenance 4. Connect a grease gun to each fitting (Figure 28 and Figure 29). Pump grease into the fittings until grease begins to ooze out of the bearings. Servicing the Air Cleaner 5. Wipe up any excess grease. Service Interval: Before each use or daily—Check the air cleaner for dirty, loose or damaged parts. This engine is equipped with a replaceable, high density paper air cleaner element. Check the air cleaner daily or before starting the engine.
Servicing Paper Element Checking the Oil Level Service Interval: Every 50 hours—Service the paper element. (more often under extremely dusty, dirty conditions) Service Interval: Before each use or daily—Check the engine oil level. 1. Park the machine on a level surface, disengage the blade control switch, stop the engine, and remove the key. Every 100 hours—Replace the paper element. (more often under extremely dusty, dirty conditions) 2.
low, add oil of the proper type up to the full mark. Reinstall oil fill cap/dipstick and screw tight. Changing the Oil and the Filter 4 Service Interval: Every 100 hours—Change the engine oil and filter. Refill with service class SG, SH, SJ or higher oil as specified in the “Viscosity Grades” table. Change the oil and filter while the engine is still warm. The oil will flow more freely and carry away more impurities. Make sure the engine is level when filling, checking, or changing the oil.
12. Install the replacement oil filter to the adapter. Turn the oil filter clockwise until the rubber gasket contacts the pad, then tighten the filter an additional 3/4 to 1 turn (Figure 34). Wipe up any excess oil on the frame. 13. When oil has drained completely, install the oil drain plug. Tighten the plug to 14 N-m (125 in-lb) torque. Wipe up any excess oil (Figure 33). Note: Dispose of the used oil at a recycling center. 14.
Cleaning the Blower Housing Fuel System Maintenance To ensure proper cooling, make sure the grass screen, cooling fins, and other external surfaces of the engine are kept clean at all times. Annually or every 100 hours of operation (more often under extremely dusty, dirty conditions), remove the blower housing and any other cooling shrouds. Clean the cooling fins and external surfaces as necessary. Make sure the cooling shrouds are reinstalled. Torque the blower housing screws to 5.5 ft-lb (7.5 N-m).
Electrical System Maintenance 6 Charging the Battery 1 Removing the Battery 3 5 Battery terminals or metal tools could short against metal machine components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. G005071 2 4 • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine. Figure 37 1. Fuel line from tank 2. Hose clamp 3. Filter 4. Fuel line to engine 5. Flow direction arrow 6.
5. Slide the rubber cover up the positive (red) cable. Disconnect the positive (red) cable from the battery post (Figure 38). Retain all fasteners. 6. Remove the battery hold-down (Figure 38) and lift the battery from the battery tray. 3 2 6 5 1 Figure 39 7 1. Positive battery post 2. Negative battery post 3. Red (+) charger lead 4. Black (-) charger lead Note: Do not run the machine with the battery disconnected, electrical damage may occur. 4 Installing the Battery 1.
Drive System Maintenance Checking the Tire Pressure Service Interval: Every 25 hours—Check tire pressure. Maintain the 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 41). Check the tires when they are cold to get the most accurate pressure reading. G005073 Rear Tires: 13 psi (90 kPa) 1 2 Front Tires (caster wheels)–Model 74381: 35 psi (241 kPa) Figure 40 1. Main-30 amp 2.
Mower Maintenance Servicing the Cutting Blades Maintain sharp blades throughout the cutting season because sharp blades cut cleanly without tearing or shredding the grass blades. Tearing and shredding turns grass brown at the edges, which slows growth and increases the chance of disease. Figure 42 1. Cutting edge 2. Curved area Check the cutter blades daily for sharpness, and for any wear or damage. File down any nicks and sharpen the blades as necessary.
3. Measure from the tip of the blade to the flat surface here. 1 1 G009680 3 2 G009680 3 Figure 46 Figure 44 1. Opposing blade edge, in position for measuring 2. Level surface 3. Second measured distance between blade and surface (B) 2 1. Blade, in position for measuring 2. Level surface 3. Measured distance between blade and surface (A) 4. Rotate the same blade 180 degrees so that the opposing cutting edge is now in the same position.
Leveling the Mower Deck 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 continuing. Figure 47 The mower deck must be leveled side-to-side first then the front to rear slope can be adjusted. 4. Blade bolt 5. Blade stiffener 1. Sail area of blade 2. Blade 3.
G005278 2 3 3 1 2 4 4 1 3 4 6 Figure 51 Mower Decks with 3 Blades 1. Blades side to side 2. Sail area of blade 3. Outside cutting edges 4. Measure from the tip of the blade to the flat surface here 2 5 G005074 5. Measure between the outside cutting edges and the flat surface (Figure 50 and Figure 51). If both measurements are not within 3/16 inch (5 mm), an adjustment is required; continue with this procedure. Figure 52 1. Hanger bracket 2. Rear locking nut 3. Side locking nut 6.
2 1 G009658 2 Figure 53 Mower Decks with 2 Blades 1. Blades front to rear 2. Measure from the tip of the blade to the flat surface here 3 2 Figure 55 1. Adjusting rod 2. Adjusting block 1 2 7. To raise the front of the mower, tighten the adjustment nut. To lower the front of the mower, loosen the adjustment nut. 3 G009659 Figure 54 Mower Decks with 3 Blades 1. Blades front to rear 3. Lock nut 8. After adjustment, check the front-to-rear slope again.
Mower Belt Maintenance Inspecting the Belts Service Interval: Every 25 hours—Check the belts for wear/cracks. Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts. Replacing the Mower Belt Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks, and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident. 1.
wait for all moving parts to stop before leaving the operating position. 2 3. Slide the mower under the machine. 5 4. Lower the height-of-cut lever to the lowest position. 5. Lift the rear of the mower deck and guide the hanger brackets over the rear lift rod (Figure 57). 1 3 6. Attach the front support rod to the mower deck with the clevis pin and hairpin cotter (Figure 56). 4 7. Install the mower belt onto the engine pulley; refer to Replacing the Mower Belt.
3 Cleaning 4 Washing the Underside of the Mower 5 6 Service Interval: Before each use or daily—Clean the mower housing. 2 Wash the underside of the mower after each use to prevent grass buildup for improved mulch action and clipping dispersal. 1. Park the machine on a level surface and disengage the blade control switch. 2. Move the motion control levers outward to the park position, stop the engine, remove the key, and wait for all moving parts to stop before leaving the operating position. 3.
Storage Note: If the mower is not clean after one washing, soak it and let it stand for 30 minutes. Then repeat the process. Cleaning and Storage 8. Run the mower again for one to three minutes to remove excess water. 1. Disengage the blade control switch, move the motion controls outward to the park position, stop the engine, and remove the key. 2. Remove grass clippings, dirt, and grime from the external parts of the entire machine, especially the engine.
Important: Do not store stabilizer/conditioned gasoline over 30 days. 11. Remove the spark plug(s) and check its condition; refer to Servicing the Spark Plug in the Engine Maintenance section. With the spark plug(s) removed from the engine, pour two tablespoons of engine oil into the spark plug hole. Use the starter to crank the engine and distribute the oil inside the cylinder. Install the spark plug(s). Do not install the wire on the spark plug(s). 12. Clean any dirt and chaff from the top of the mower.
Troubleshooting Problem The engine overheats. Possible Cause 1. The engine load is excessive. 1. Reduce ground speed. 2. The oil level in the crankcase is low. 3. The cooling fins and air passages under the engine blower housing are plugged. 4. The air cleaner is dirty. 2. Add oil to the crankcase. 3. Remove the obstruction from the cooling fins and air passages. 5. Dirt, water, or stale fuel is in fuel system.
Problem There is abnormal vibration. Uneven cutting height. Possible Cause 1. The engine mounting bolts are loose. 1. Tighten the engine mounting bolts. 2. The engine pulley, idler pulley, or blade pulley is loose. 3. The engine pulley is damaged. 4. The cutting blade(s) is/are bent or unbalanced. 5. A blade mounting bolt is loose. 6. A blade spindle is bent. 2. Tighten the appropriate pulley. 1. The blade(s) is not sharp. 1. Sharpen the blade(s). 2. A cutting blade(s) is/are bent. 3.
Schematics G009744 Electrical Diagram (Rev.
Notes: 50
International Distributor List Distributor: Atlantis Su ve Sulama Sisstemleri Lt Balama Prima Engineering Equip B-Ray Corporation Casco Sales Company Ceres S.A CSSC Turf Equipment (pvt) Ltd Cyril Johnston & Co Equiver Femco S.A. G.Y.K. Company ltd. Geomechaniki of Athens Guandong Golden Star Hako Ground and Garden Hako Ground and Garden Hayter Limited (U.K.) Hydroturf Int. Co Dubai Hydroturf Egypt LLC Ibea S.p.A. Irriamc Irrigation Products Int'l Pvt Ltd Jean Heybroek b.v. Lely (U.K.) Limited Maquiver S.A.
The Toro Warranty Conditions and Products Covered Instructions for Obtaining Warranty Service The Toro® Company and its afliate, Toro Warranty Company, pursuant to an agreement between them, jointly promises to the original purchaser* to repair any Toro Product used for normal residential purposes* if defective in materials or workmanship.
