Form No. 3392-628 Rev B T4240 4-Wheel Drive 5-Plex Mower Traction Unit Model No. 02750—Serial No. 315000001 and Up Register at www.Toro.com.
This product complies with all relevant European directives; for details, please see the separate product specific Declaration of Conformity (DOC) sheet. Introduction This machine is a ride-on, reel-blade lawn mower intended to be used by professional, hired operators in commercial applications. It is primarily designed for cutting grass on well-maintained turf. Using this product for purposes other than its intended use could prove dangerous to you and bystanders.
Contents Draining the Fuel Tank ...................................... 35 Checking the Fuel Lines and Connections.................................................. 35 Replacing the Fuel Filter Canister ..................... 35 Bleeding the Fuel System ................................. 36 Bleeding Air from the Fuel Injectors................... 36 Electrical System Maintenance ........................... 37 Electrical System Safety ................................... 37 Servicing the Battery.................
Safety • Do not operate the machine without all guards This machine has been designed in accordance with EN ISO 5395. • Keep children, bystanders, and pets out of the and other safety protective devices in place and functioning properly on the machine. operating area. Never allow children to operate the machine. General Safety • Shut off the engine, remove the key, wait for all This product is capable of amputating hands and feet and of throwing objects.
decal953829 953829 1. Crushing hazard, cutting unit—always lower the cutting units before going near them. decal924868 924868 1. Tipping hazard—do not operate the machine unless the platform is correctly seated and the latch is locked in place. decal953876 953876 decal950832 950832 1. Tire pressure decal950889 950889 1. Warning—hot surfaces. 5 1. Differential lock 4. Reverse speed 2. Push down to engage the differential lock. 3. Pull up to disengage the differential lock. 5.
decal953877 953877 1. Forward speed 3. Slow 2. Fast decal994912 994912 1. Engage the parking brake. 7. Raise/lower the right cutting unit. 2. Disengage the parking brake. 3. Fast 8. Horn 4. Slow 9. Ignition switch 10. Engage the reel. 5. Raise/lower the left cutting 11. Disengage the reel. unit. 12. Engage backlapping. 6. Raise/lower the center cutting unit. decal111-0773 111-0773 1. Warning—crushing of fingers, force applied from side.
decal111-3901 111-3901 decal111-3902 111-3902 1. Transmission fluid—read the Operator's Manual. 1. Your hand can be cut by the fan; warning 2. Hot surfaces; read the Operator's Manual. decal953812 953812 1. Fuel level, diesel 5. Air cleaner 2. Engine oil 6. Cutterheads 3. Tire pressure 7. Clean and inspect the 11. Hydraulic fluid machine. 12. Radiator/screens 8. Wheel nut torque—front, 200 N∙m (147 ft-lb); rear, 54 N∙m (40 ft-lb) 4. Fasteners 9. Seat switch 10. Hose lines 7 13.
decal111-8098 111-8098 Note: This machine complies with the industry standard stability test in the static lateral and longitudinal tests with the maximum recommended slope indicated on the decal. Review the instructions for operating the machine on slopes in the Operator’s Manual as well as the conditions in which you would operate the machine to determine whether you can operate the machine in the conditions on that day and at that site.
Product Overview g029192 Figure 2 1. Front cutting units 4. Engine hood 2. Steering wheel 5. Rear cutting unit 3.
Controls Control Panel Components g029346 Figure 3 1. Throttle-control lever 7. Lighting switch (supplied with lighting kit) 13. Hour meter 19. Transmission-oil filter indicator 2. Cutting-unit-position lever 8. Warning-beacon switch (supplied with beacon kit) 14. Transmission-neutral indicator 20. Horn button 3. Parking-brake lever 9. Hazard-warning switch (supplied with lighting kit) 15. Parking-brake indicator 21. Direction-indicator switch (supplied with lighting kit) 4.
braking effect, push the transmission pedal into the neutral position. Service braking is effective on the front wheels only. WARNING The service braking system is not able to hold the mower at a standstill. Always ensure the parking brake is engaged to park the mower at a standstill. Emergency Brake In the event of service brake failure, turn the ignition off to bring the mower to a stand still. WARNING Take care when using the emergency braking.
Note: The differential lock is not available for use when the TRANSPORT mode is selected. Move the lever forward to increase the travel speed setting and rearward to decrease it. Note: This is not a cruise-control device. Releasing Transport Latches the forward travel pedal will allow it to return to neutral. Always raise the cutting units to the transport position and secure with the transport latches and safety locks when traveling between work areas (Figure 5).
Operator Seat • Operator weight adjustment: Rotate the handle clockwise to increase suspension stiffness and counter-clockwise to decrease. The dial indicates when the optimum suspension adjustment has been set according to operator weight (Figure 8). WARNING Never operate the machine without first checking that the operator seat mechanisms are in good working order and that, once adjusted and locked, the seat remains securely in position.
• Height adjustment: Manually lift the seat for • Backrest adjustment: Pull the handle outward incremental height adjustment. To lower, lift the seat beyond its highest setting, then allow it to drop to the lowest setting (Figure 9). to adjust the seat backrest angle. Release the handle to lock the seat backrest in position. g016380 Figure 10 g016379 Figure 9 1.
Warning Systems Audible Warning Horn Engine-Coolant Overheating Warning Service Interval: Before each use or daily—Check the horn. The engine-coolant warning light (Figure 11) illuminates and the horn sounds if the engine coolant overheats. Press the HORN button (Figure 15) to provide an audible warning. Important: The horn automatically sounds when an engine coolant or hydraulic fluid overheat condition occurs. Shut off the engine immediately and fix the machine before starting.
Fuel Gauge Cutting-Unit-Drive-Switch Indicator Light The fuel gauge shows the amount of fuel in the tank (Figure 17). The cutting-unit-drive-switch indicator light (Figure 20) illuminates when the cutting unit drive switch is in the OFF position and the ignition key is turned to position I.
Specifications Note: Specifications and design are subject to change without notice. Model 02750 Specification Transport Width 1890 mm (74.5 inches) Width of cut 3460 mm (136.2 inches) Length 2930 mm (115.0 inches) Height 1775 mm (70.0 inches) with ROPS folded 2385 mm (94.0 inches) with ROPS in the vertical operating position Weight (with 2-post ROPS, 8-inch/6-blade cutting units, and fluids) Engine 1870 kg (4123 lb) Kubota 35.3 kw (47.
• Before mowing, always inspect the machine to • The minimum cetane rating should be 40. Purchase fuel in quantities that can be used within 180 days to ensure fuel freshness. ensure that the cutting units are in good working condition. Inspect the area where you will use the machine and remove all objects that the machine could throw. Use summer-grade diesel fuel (Number 2-D) at temperatures above -7°C (20°F) and winter-grade diesel fuel (Number 1-D or Number 1-D/2-D blend) below -7°C (20°F).
• Operate the machine only in good visibility to avoid • • • • • • • • • • and use the seat belt when operating the machine with the roll bar in the raised position. holes or hidden hazards. Avoid mowing on wet grass. Reduced traction could cause the machine to slide. Keep your hands and feet away from the cutting units. Look behind and down before backing up to be sure of a clear path. Use care when approaching blind corners, shrubs, trees, or other objects that may obscure your vision.
Securing the Platform cutting unit(s) while operating on slopes can cause the machine to become unstable. 1. • Use extreme caution with grass collection systems Lower the platform carefully. Note: The gas spring will provide assistance. or other attachments. These can change the stability of the machine and cause a loss of control. 2.
Shutting Off the Engine CAUTION If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. WARNING Keep hands clear of moving objects and hot engine parts while the engine is running. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. 1.
2. Support the weight of the upper frame of the roll bar while removing the snap pins and clevis pins from the pivot brackets (Figure 25). WARNING When lowering and raising the roll bar, fingers may get pinched between the machine and the roll bar. Use caution when lowering and raising the roll bar to prevent entrapment of fingers between the fixed part and the pivot part of the structure. • Keep all nuts, bolts, and screws correctly torqued ensure that the equipment is in safe working condition.
Checking the Cutter Drive Interlock Switch 1. Shut off the engine. 2. Operate the cutting unit drive switch to the OFF position and turn the key to position I. The cutting unit drive switch indicator light should not illuminate. 3. Operate the switch to the forward position. Note: The cylinder drive will engage when the cutting units are approximately 300 mm (12 inches) above ground level. 4. Raise the cutting units.
3. Note: If the cutting unit drive switch is in the ON position, the cylinder drive will disengage when the cutting units are approximately 300 mm (11.8 inches) above ground level. 3/5-gang mode with left and right wing cutting units locked in transport position: Release the lift-control switches when the cutting units are at the required height. • The center lift lever controls the center cutting unit. • The left lift lever controls the left front cutting unit.
Using the Weight-Transfer/Traction Assistance Clearing Debris from the Cutting Units WARNING A variable hydraulic weight transfer system is provided for improving tire grip with the grass surface - traction assistance. Never attempt to rotate the cutting cylinders by hand. • There may be some residual pressure in the hydraulic system which could cause injury through sudden movement of the cylinder(s) when the blockage is released.
Operating the Machine on Slopes continuing operation. Serious damage could occur if you operate the machine with a malfunction. Use extra care when operating the machine on slopes. Drive slowly and avoid sharp turns on slopes to prevent rollovers. Lower the cutting units for steering control when going downhill. Mowing Grass The rotational speed of the cutting cylinders should always be kept as high as possible in order to maintain the highest quality of cut.
Identifying the Tie-Down Points Note: Ensure that the towing vehicle specification is suited to braking the combined weight to rest while maintaining complete control at all times. 4. Remove the hex plug from the right, front wheel motor disc brake assembly (Figure 31). g029362 g280193 Figure 31 Figure 30 1. Front tie-down point 2. Rear tie-down point 1. Front wheel motor 4. Washer (M12) 2. Hex plug 5. Setscrew (M12 x 40 mm) 3. Brake-release bar Hauling the Machine 5.
g029363 Figure 32 1. Bypass valve 9. Remove the wheel chocks before towing. Note: The machine is now in a freewheel condition and can be towed for a short distance at a slow speed. Recommissioning the Machine after Towing 1. Chock the front wheels. 2. Close the transmission bypass valve (Figure 32). Note: Turn the valve clockwise and torque 48 N∙m (30 ft-lb) to 52 N∙m (50 ft-lb). 3.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Maintenance Safety • If possible, do not perform maintenance while the engine is running. Keep away from moving parts. • Before adjusting, cleaning, servicing, or leaving the machine, do the following: – Park the machine on a level surface. – Move the throttle switch to the low-idle position. – Disengage the cutting units. – Lower the cutting units. – Ensure that the traction is in neutral.
Maintenance Service Interval Maintenance Procedure Every 200 hours • Service the air cleaner. (More frequently in extremely dirty or dusty conditions) Every 400 hours • Check the fuel lines and connections. • Replace the fuel filter canister. • Check the engine speed (idle and full throttle). Every 500 hours • • • • • • Every 800 hours • Drain and clean the fuel tank. • Flush and replace the cooling system fluid. • Adjust the engine valves (refer to the engine operator’s manual).
Daily Maintenance Checklist Duplicate this page for routine use. For the week of: Mon. Maintenance Check Item Tues. Wed. Thurs. Fri. Sat. Sun. Check the safety interlock operation. Check the brake operation. Check the engine oil and fuel level. Check the air filter restriction indicator. Check the radiator and screen for debris. Check unusual engine noises.1 Check unusual operating noises. Check the hydraulic system oil level. Check hydraulic hoses for damage. Check for fluid leaks.
Lubrication immediately after every washing, regardless of the interval listed. Greasing the Bearings, Bushings, and Pivots Replace any damaged grease fittings. Grease all cutting unit grease points and inject sufficient grease such that you can see clean grease escaping from the roller end caps. This provides visible evidence that the roller seals have been purged of grass and debris and will ensures maximum working life.
Engine Maintenance Important: Be sure the cover is seated correctly and seals with the air cleaner body. Engine Safety • Shut off the engine before checking the oil or 1. Open the engine cover. 2. Release the latches securing the air cleaner cover to the air cleaner body (Figure 35). adding oil to the crankcase. Do not change the governor speed or overspeed the engine. • Checking the Engine Overheat Warning System Service Interval: Every 500 hours g029366 Figure 35 1. Air cleaner body 3.
Checking the Engine-Oil Level Service Interval: Before each use or daily Crankcase capacity: approximately 7.6 L (8 US qt) with the filter Use high-quality engine oil that meets the following specifications: g012281 Figure 37 • API Classification Level Required: CH-4, CI-4 or higher 1. Oil fill cap • Preferred oil: SAE 15W-40 (above 32°C (0°F)) • Alternate oil: SAE 10W-30 or 5W-30 (all Important: Be sure to keep the engine oil level between the upper and lower limits on the oil gauge.
Fuel System Maintenance DANGER Under certain conditions, fuel and fuel vapors are highly flammable and explosive. A fire or explosion from fuel can burn you and others and can cause property damage. • Fill the fuel tank outdoors, in an open area, when the engine is off and is cold. Wipe up any fuel that spills. • Do not fill the fuel tank completely full. Add fuel to the fuel tank until the level is 25 mm (1 inch) below the top of the tank, not the filler neck.
4. Bleeding Air from the Fuel Injectors Install the new filter canister by hand until the gasket contacts mounting surface, then rotate it an additional 1/2 turn. Note: Only use this procedure if the fuel system has been purged of air through normal priming procedures and the engine will not start; refer to Bleeding the Fuel System (page 36). Bleeding the Fuel System You must bleed the fuel system before starting the engine after any of the following situations: 1.
Electrical System Maintenance WARNING Battery terminals or metal tools could short against metal tractor components causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. Electrical System Safety • When removing or installing the battery, do not allow the battery terminals to touch any metal parts of the machine. • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last.
Drive System Maintenance Checking the Tire Pressure Service Interval: Before each use or daily Check the air pressure in the front and rear tires. Refer to the chart below for the correct pressure. Important: Maintain correct tire pressure in all g028210 Figure 41 tires to ensure correct contact with the turf. Tires Tire Type 1. Transmission-oil filter Recommended Tire Pressures Turf Conditions Road Conditions Maximum Pressure Front Axle 26 x 12 12, 4 ply 0.7 bar (10 psi) 1.4 bar (20 psi) 1.
4. Cooling System Maintenance Rotate the track rod to achieve the correct distance as described above and tighten the locknuts securely. Cooling System Safety • Swallowing engine coolant can cause poisoning; keep out of reach from children and pets. • Discharge of hot, pressurized coolant or touching a hot radiator and surrounding parts can cause severe burns. – Always allow the engine to cool at least 15 minutes before removing the radiator cap.
Belt Maintenance Check the condition and tension of the alternator belt after the first day of operation and every 100 operating hours thereafter. Checking the Condition and Tension of the Alternator Belt Service Interval: Every 100 hours g029367 Figure 43 Expansion tank • Proper tension will allow a 10 mm (3/8 inch) deflection when a force of 4.5 kg (10 lb) is applied on the belt midway between the pulleys. 1. Full line 2. Low line 3.
Hydraulic System Maintenance Hydraulic System Safety • Seek immediate medical attention if fluid is injected • • • • into skin. Injected fluid must be surgically removed within a few hours by a doctor. Ensure that all hydraulic-fluid hoses and lines are in good condition and all hydraulic connections and fittings are tight before applying pressure to the hydraulic system. Keep your body and hands away from pinhole leaks or nozzles that eject high-pressure hydraulic fluid.
Viscosity index, ASTM D2270 Pour point, ASTM D97 140 or higher (high viscosity index indicates a multiweight fluid) -37°C to -45°C (-34°F to -49°F) 11 or better 500 ppm (maximum) FZG, fail stage Water content (new fluid) Industry Specifications: Vickers I-286-S, Vickers M-2950-S, Denison HF-0, Vickers 35 VQ 25 (Eaton ATS373-C) The proper hydraulic fluids must be specified for mobile machinery (as opposed to industrial plant usage), multiweight-type, with ZnDTP or ZDDP anti-wear additive package (not an a
Changing the Hydraulic Oil Return Filter Checking the Hydraulic Oil Overheat Warning System Service Interval: After the first 50 hours Service Interval: Every 500 hours Every 500 hours 1. Remove the return filter. 2. Wipe oil onto the new return filter gasket. 3. Install the new return filter to the machine. g029243 Figure 48 1. Temperature switch 2. Hydraulic oil tank 1. Turn the ignition key to the ignition on position I. 2.
Cutting Unit Maintenance Cleaning Refer to the cutting unit Operator’s Manual for maintenance procedures. Washing the Machine Wash the machine as needed using water alone or with a mild detergent. You may use a rag when washing the machine. Blade Safety • A worn or damaged blade or bedknife can break, and a piece could be thrown toward you or bystanders, resulting in serious personal injury or death. Important: Do not use brackish or reclaimed water to clean the machine.
Storage 5. Shut off the engine and remove the key. 6. Flush the fuel tank with fresh, clean fuel. Storage Safety 7. Secure all of the fuel-system fittings. • Shut off the engine, remove the key, wait for all 8. Thoroughly clean and service the air-cleaner assembly. 9. Seal the air-cleaner inlet and the exhaust outlet with weatherproof tape. 10.
Troubleshooting Problem There are areas of uncut grass at the overlap between cutting cylinders. There are full-width ridge lines in the cut across the direction of travel. Possible Cause Corrective Action 1. You are turning too tightly. 1. Increase the turning radius. 2. The machine slides sideways when traveling across the face of a slope. 3. There is no ground contact on 1 end of the cutter because of poorly routed hoses or wrongly positioned hydraulic adaptors. 4.
Problem Possible Cause There are lines of uncut or badly cut grass in the direction of travel. 1. There is tram lining of the cutting edges due to heavy contact caused by poor cutting-cylinder-to-bottom-blade adjustment. 1. Back lap or grind the edges. 2. The bottom blade is in contact with the ground. 3. The bottom blade has a nose-down attitude. 4. The cutting units are bouncing. 2. Raise the height of cut. 5. There are worn cylinder bearings/bearing housing pivots. 6.
Problem The hydraulic oil system is overheating. Possible Cause 1. There is a blocked screen. 1. Clean the screen. 2. The oil cooler fins are dirty/blocked. 3. The engine radiator is dirty/blocked. 4. The relief valve setting is low. 2. Clean the fins. 3. Clean the radiator. 4. Have the relief valve pressure checked. Consult your authorized distributor. 5. Fill the reservoir to the correct level. 6. Disengage the brakes. 7. Adjust the settings. 5. The oil level is low. 6. The brakes are engaged. 7.
Problem After an initial period of satisfactory operation, the machine loses power. Possible Cause 1. A pump or motor is worn. 1. Replace parts as necessary. 2. The hydraulic oil level is low. 3. The oil in the hydraulic system has the wrong viscosity. 2. Fill hydraulic oil tank to correct level 3. Replace the oil in the hydraulic tank with the correct viscosity-grade oil; refer to the Specifications section. 4. Change the filter element. 5. Have the relief valve cleaned and pressure checked.
Problem The cutting units fail to start up when lowered into work. Possible Cause 1. The seat sensor switch is malfunctioning. 1. Check the mechanical and electrical operation of the switch. 2. The hydraulic-oil level is low. 2. Fill the hydraulic-oil reservoir to the correct level. 3. Check the motor and cylinder driveshafts and replace them if necessary. 4. Have the relief valve pressure checked. Consult your authorized dealer. 5. Clear any jams as necessary. 6. Adjust the setting. 3.
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