Form No. 3439-301 Rev C LT3340 Heavy-Duty Triple Turf Mower Traction Unit Model No. 30657—Serial No. 405598031 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. This manual identifies potential hazards and has safety messages identified by the safety-alert symbol (Figure 2), which signals a hazard that may cause serious injury or death if you do not follow the recommended precautions.
Contents Servicing the Air Cleaner .................................. 36 Checking the Engine-Oil Level.......................... 37 Servicing the Engine Oil and Filter .................... 38 Fuel System Maintenance ................................... 39 Draining the Fuel Tank ...................................... 39 Checking the Fuel Lines and Connections.................................................. 39 Bleeding the Fuel System ................................. 39 Replacing the Fuel Filter ..........
Safety • Do not operate the machine without all guards This machine has been designed in accordance with EN ISO 5395. • Keep bystanders and children out of the operating General Safety • Shut off the engine, remove the key, and wait and other safety protective devices in place and functioning properly on the machine. area. Never allow children to operate the machine. for all movement to stop before you leave the operator’s position.
decal111-3567 111-3567 decal111-3344 111-3344 1. Pedal operation 1. Ignition switch decal111-3562 111-3562 1. Press the pedal to adjust the steering wheel angle. decal111-3658 111-3658 1. Cutterhead 2. Latch decal111-3566 111-3566 1. Falling, crushing hazard—ensure that the operator platform latch is engaged before operating. 5 3.
decal111-7249 111-7249 1. Daily service interval 6. Check hydraulic fluid level 2. 50 hour service interval 7. Check fuel level 3. Check the tire pressure 8. Check engine oil level 4. Check all nuts and bolts for proper tightness 9. Check operation of seat switch 5. Check all hoses for leaks 10. Check air filter element 11. Check cutting unit setting 16. Lubrication points for daily interval 12. Check engine coolant level 17. Lubrication points for 50 hour interval 13.
decal111-5007 111-5007 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.
decal134-1807 134-1807 1. Slope indicator 7. Raise 2. Right cutting unit controls 8. Fast 9. Engine speed 3. Center cutting unit controls 4. Left cutting unit controls 10. Slow 5. Lower/float 6. Transport 11.
Setup Media and Additional Parts Description Use Qty. Operator's Manual Engine operator’s manual 1 1 Read the manuals before operating the machine. CE certificate 1 The certificate indicates CE compliance. Store all documentation in a safe place for future use. Note: Determine the left and right sides of the machine from the normal operating position. Product Overview g318666 Figure 3 1. Front cutting units 3. Steering wheel 5. Engine hood 2. Control arm 4. Operator's seat 6.
Controls Control Panel Components g014556 Figure 5 1. Key switch Throttle Control Operate the throttle control in a forward direction to increase the engine speed. Operate the throttle control in a rearward direction to reduce engine speed (Figure 6). Note: The engine speed dictates the speed of the other functions, i.e. travel, reel rotation speed, and cutting unit lift speed. g319836 Figure 4 1. Ignition switch 2. Lighting switch (optional lighting kit) 3. Limited lift in reverse switch 4.
Warning and Indicator Lights Engine Coolant Overheating Warning Light The engine coolant warning light illuminates, the horn is actuated and the cutting units stop (Figure 8). g014555 Figure 7 1. Horn Cutting Unit Drive Switch Always put the cutting unit drive switch in the Off position when travelling between work areas.
g014560 g014553 Figure 13 Figure 10 1. Transmission neutral indicator light 1. Low battery charge warning light Low Engine Oil Pressure Warning Light Cutting Unit Drive Switch Indicator Light The engine oil pressure warning light illuminates when the oil pressure is too low (Figure 11). This light illuminates when the cutting unit drive switch is in the forward/reverse position and the ignition key is turned to position I (Figure 14). g014554 g014561 Figure 11 Figure 14 1.
Machine Controls Traction Pedals Forward travel: Press the forward traction pedal to increase forward travel speed. Release the pedal to reduce speed (Figure 16). Parking Brake WARNING Reverse travel: Press the reverse traction pedal to increase reverse travel speed. Release the pedal to reduce speed (Figure 16). The parking brake operates on the front wheels only. Do not park the machine on a slope.
g014549 Figure 17 Hour Meter The hour meter shows the total hours that the machine has been operated (Figure 18). g014548 Figure 20 Weight Transfer Control g014559 Use the weight transfer control to adjust the weight on the drive wheels. Figure 18 1. Hour meter Fuel Gauge The fuel gauge shows the amount of fuel in the tank (Figure 19). g014558 Figure 19 g292365 Figure 21 Transport Latches 1. Lock wheel 2.
Operator Seat • Operator weight adjustment: Rotate the handle clockwise to increase suspension stiffness and counterclockwise to decrease the stiffness. The dial indicates when the optimum suspension adjustment has been set according to operator weight (kg); refer to Figure 23. WARNING Never operate the mower 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 to incremental height adjustment. To lower the seat, lift it beyond the highest setting, then allow it to drop to the lowest setting (Figure 24). adjust the seat backrest angle. Release the handle to lock the seat backrest in position (Figure 25). g016380 Figure 25 g016379 Figure 24 1.
Specifications Note: Specifications and design are subject to change without notice. LT 3340 Specification Transport Width 157.5 cm (62 inches) Width of cut 212.0 cm (83.5 inches) Overall width 236.0 cm (92.9 inches) Length 286.0 cm (112.6 inches) Height 168.1 cm (66.2 inches) with the ROPS folded 216.0 cm (85.0 inches) with the ROPS vertical (operating position) Weight* 1325 kg (2921 lb) without cab 1525 kg (3,362 lb) with cab Engine Kubota 26.5 kw (35.
Performing Daily Maintenance Operation Before Operation Service Interval: Before each use or daily Before Operation Safety Before starting the machine each day, perform the Each Use/Daily procedures listed in Maintenance (page 30). General Safety Filling the Fuel Tank • Never allow children or untrained people to operate or service the machine. Local regulations may restrict the age of the operator. The owner is responsible for training all operators and mechanics. Fuel Tank Capacity 45 L (11.
5. Install fuel-tank cap tightly after filling tank. – Park the machine on a level surface. Note: If possible, fill the fuel tank after each use. – Disengage the cutting unit(s) and lower the attachments. This minimizes possible buildup of condensation inside the fuel tank. – Engage the parking brake. – Shut off the engine and remove the key. During Operation – Wait for all movement to stop. • Operate the machine only in good visibility and During Operation Safety appropriate weather conditions.
• Cutting Unit Drive Lockout: The drive to the cutting units is only possible when the operator is seated. If the operator raises off the seat for a period of more than one second, a switch is activated and the drive to the cutting units is automatically disengaged. To engage the drive to the cutting units, the operator must return to the seat, then operate the cutting unit drive switch to the Off position before moving it back to the On position.
• Keep all nuts, bolts, and screws correctly torqued ensure that the equipment is in safe working condition. • Replace worn or damaged parts for safety. • Ensure that the seat belt and mountings are in safe working order. • Wear the seat belt when the roll bar is raised and no seat belt when the roll bar is lowered. Important: The roll bar is an integral safety device. Keep the roll bar in the raised position when operating the mower. Lower the roll bar temporarily only when absolutely necessary.
should not start when the ignition key is turned. Repeat for the reverse position. Checking the Parking Brake Interlock Switch 1. Shut off the engine. 2. Engage the parking brake. 3. Turn the ignition key to position I. The parking brake indicator light should illuminate. 4. Disengage the parking brake. The indicator light should go out and the engine should not start when the ignition key is turned. 5. Engage the parking brake, sit on the operator seat, and start the engine. 6.
Controlling the Position of the Individual Cutting units The cutting units may be raised or lowered independently using the bank of 3 lift control switches. 1. To lower the cutting units, operate the lift control switches in a downward direction and release. The cutting unit drive switch must be on (forward) to do this, the reel drive will engage when the cutting units are approximately 150 mm (6 inches) above ground level. The cutting units are now in ‘float’ mode and will follow the ground contours.
Engaging the Cutting Unit Drive g014434 Figure 30 1. Forward 2. Off 3. Reverse The cutting unit drive can be engaged only when the operator is seated correctly, refer to Checking the Operator Presence Seat Switch (page 21). Forward rotation cutting unit drive engagement: Press the top of the cutting unit drive switch to the forward position (Figure 30). Reverse rotation cutting unit drive engagement: Press the bottom of the cutting unit drive switch to the reverse position (Figure 30).
2. Engage the parking brake and disengage all drives. 3. Lower the cutting units to the ground or securely lock them in the designated transport positions. 4. Shut off the engine and remove the ignition key to isolate all power sources and ensure that they are stopped. 5. Release all stored energy devices. 6. Check that all moving parts are stationary. 7. Using a suitable strong wooden instrument, remove the blockage.
Maximizing the Quality of Cut After Operation The quality of cut will deteriorate if the forward speed is excessive. Always balance the quality of cut with the work rate required and set the forward speed accordingly. After Operation Safety General Safety Maximizing Engine Efficiency • Shut off the engine, remove the key, and wait for all movement to stop before you leave the operator’s position. Allow the machine to cool before adjusting, servicing, cleaning, or storing it.
Hauling the Machine Important: Do not tow the machine faster than 3 to 5 km/h (2 to 3 mph), otherwise internal transmission damage may occur. • Use full-width ramps for loading the machine onto a trailer or truck. • Tie the machine down securely. Locating the Jacking Points 1. Engage the parking brake and chock the wheels of the towing vehicle. 2. Chock the front wheels of the machine. 3.
3. Remove the wheel chocks Note: Tow the machine a short distance, at slow speed. Restoring the Transmission Pump 1. Chock the front wheels. 2. Above the center cutting unit, close the bypass valve on the transmission pump by turning it clockwise (Figure 38). g014451 Figure 36 1. Front wheel motor 2. Hex plug 7. 8. 3. Washer 12 mm 4. Bolt 12 x 40 mm Tighten the bolt in the threaded hole in the brake piston until the brake releases (Figure 36).
g292377 Figure 40 1. Hex plug 3. 4. 5. 6. Repeat steps 1 through 2 for the brake at the other side of the machine. Remove the wheel chocks. Disconnect the tow bar. Note: The transmission and brakes are ready for operation. Stow the 2 bolts 12 x 40 mm and 2 washers 12 mm stored in the platform support rails (Figure 40). g292366 Figure 41 1. Bolt 12 x 40 mm and washers 12 mm 7. 2. Platform support rail Check the brake operation.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Maintenance Safety • Support the machine with jack stands whenever you work under the machine. • Before you leave the operator’s position, do the • • following: – Park the machine on a level surface. – Disengage the cutting unit(s) and lower the attachments. – Engage the parking brake. – Shut off the engine and remove the key. – Wait for all movement to stop.
Maintenance Service Interval Maintenance Procedure Every 150 hours • Change the engine oil and filter. Every 250 hours • • • • • Every 400 hours • Check the fuel lines and connections. • Check the engine speed (idle and full throttle). Every 500 hours • • • • • • • • • Every 800 hours • Drain and clean the fuel tank • Adjust the engine valves (refer to the engine operator’s manual). Check the condition of the battery. Check the condition of and clean the battery.
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 fluid level. Check hydraulic hoses for damage. Check for fluid leaks.
Pre-Maintenance Procedures Lowering the Platform WARNING Operating the machine with the platform unlatched may cause you to lose control of the machine, resulting in serious injury to you and bystanders. Raising the Platform 1. Move the platform-latch handle (Figure 42) towards the front of the machine until the latch hooks clear the locking bar. Never operate the machine without first checking that the operator platform latching mechanism is fully engaged and in good working order. 1.
3. Installing the Storage Compartment Fully lower the platform and move the platform-latch handle towards the rear of the machine until the latch hooks fully engage the locking bar (Figure 46). 1. Align the holes on the bottom of the storage compartment with the holes in the chassis brackets. 2. Assemble the storage compartment to the machine with the 3 knobs (Figure 48) g290370 Figure 46 1. Platform-latch handle Removing the Storage Compartment 1.
Lubrication Replace any damaged grease fittings. Greasing the Bearings, Bushings, and Pivots Grease all cutting unit grease points and ensure that sufficient grease is injected such that clean grease is seen to escape from the roller end caps. This provides visible evidence that the roller seals have been purged of grass and debris and ensures maximum working life.
Engine Maintenance Service the primary air-cleaner filter only when the service indicator (Figure 51) requires it. Changing the air filter before it is necessary only increases the chance of dirt entering the engine when the filter is removed. Engine Safety • Shut off the engine before checking the oil or Important: Be sure that the cover is seated adding oil to the crankcase. correctly and seals with the air-cleaner body. 1. Check the filter blockage indicator.
5. 6. is between the full and add marks, no oil addition is required. Insert the new filter by applying pressure to the outer rim of the element to seat it in the canister. Do not apply pressure to the flexible center of the filter. Clean the dirt ejection port located in the removable cover. Remove the rubber outlet valve from the cover, clean the cavity and replace the outlet valve. 7.
Servicing the Engine Oil and Filter 6. Service Interval: After the first 50 hours Every 150 hours 1. Remove the drain plug (Figure 55) and let the oil flow into a drain pan. g008911 Figure 55 1. Oil drain plug 2. When the oil stops, install the drain plug. 3. Remove the oil filter (Figure 56). g008912 Figure 56 1. Oil filter 4. Apply a light coat of clean oil to the new filter seal. 5. Install the replacement oil filter to the filter adapter.
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. 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. • Use a funnel and fill the fuel tank outdoors, in an open area, when the engine is off and is cold. Wipe up any fuel that spills.
Electrical System Maintenance Important: Before welding on the machine, disconnect both cables from the battery, both wire harness plugs from the electronic control module, and the terminal connector from the alternator to prevent damage to the electrical system. Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last. Connect the positive terminal first and the negative last.
Drive System Maintenance Note: Check the condition of the battery cables. Install new cables when current ones are showing signs of wear or damage and tighten any loose connections as necessary. Checking the Tire Pressure Servicing the Battery Check the air pressure in the front and rear tires. Refer to the chart below for the correct pressure. Service Interval: Every 250 hours Important: Maintain correct tire pressure in all DANGER tires to ensure correct contact with the turf.
g014442 Figure 59 1. Wheel center height 3. Direction of forward travel 2. Tire 4. Track-rod assembly To adjust the alignment of the rear wheels, first back off the left and right locknuts on the track rod assembly. (Left locknut has left-hand threads). Rotate the track rod to achieve the correct distance as described above and tighten the locknuts securely. g018091 Figure 58 Right side of machine Inspecting the Transmission Control Cable and Operating Mechanism 1. Transmission oil filter 1.
Cooling System Maintenance Cooling System Safety g014571 • Swallowing engine coolant can cause poisoning; Figure 60 1. Outer cover 2. Rubber seal keep out of reach from children and pets. 3. Sleeve 4. Rod end • 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. – Use a rag when opening the radiator cap, and open the cap slowly to allow steam to escape.
g018023 Figure 61 g004137 1. Engine cover 3. Oil cooler Figure 63 2. Oil cooler release clip 5. 6. 1. Radiator Clean the screen thoroughly with compressed air. Pivot the latch inward to release the oil cooler (Figure 62). 8. Pivot the oil cooler back into position and secure the latch. 9. Close the engine cover and secure the latch.
Belt Maintenance Check the condition and tension of the alternator belt after the first day of operation and every 100 operating hours thereafter. Tensioning the Alternator Belt Service Interval: After the first 8 hours g320237 Figure 64 Every 100 hours 1. Expansion tank 2. If the coolant level is low, remove the expansion-tank cap and replenish the system. Do not overfill. 3. Install the expansion-tank cap. 1. Open the hood. 2.
Hydraulic System Maintenance with your oil supplier to see whether the oil meets these specifications. Note: Toro will not assume responsibility for damage caused by improper substitutions, so use only products from reputable manufacturers who will stand behind their recommendation.
Note: The level needs to be at the upper mark. 3. If additional hydraulic oil is needed, clean the area around the filler neck and the cap of the hydraulic tank (Figure 66) and remove the cap. g014570 g014491 Figure 66 Figure 67 Left side of machine 1. Hydraulic-tank cap 2. Fluid tank 3. Sight level gauge 4. 5. 1. Hydraulic oil return filter Remove the cap and fill the tank to the upper mark on the sight level gauge. Note: Do not overfill the tank.
Cutting Unit Maintenance Refer to the cutting unit Operator’s Manual for maintenance procedures. 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. • Inspect the blades and bedknives periodically for excessive wear or damage. • Use care when checking the blades. Wear gloves and use caution when servicing them. Only replace or backlap the blades and bedknives; never straighten or weld them.
Grinding the Cutting Units 80-grade carborundum paste Part number 0.45 kg (1 lb) 63-07-088 11.25 kg (25 lb) 63-07-086 It will be necessary to carry out a grinding operation to correct reel edges or bedknife edges that have become excessively rounded or distorted. Bedknives that are nearing the end of their wear life should be replaced. The new blades should be ground on their holders prior to fitting.
Chassis Cleaning Inspecting the Seat Belt Washing the Machine Service Interval: Before each use or daily Wash the machine as needed using water alone or with a mild detergent. You may use a rag when washing the machine. 1. 2. Inspect the seat belt for wear, cuts, and other damage. Replace the seat belt(s) if any component does not operate properly. Important: Do not use brackish or reclaimed water to clean the machine. Clean the seat belt as necessary.
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, and wait 8. for all movement to stop before you leave the operator’s position. Allow the machine to cool before adjusting, servicing, cleaning, or storing it. Thoroughly clean and service the air-cleaner assembly. 9. Seal the air-cleaner inlet and the exhaust outlet with weatherproof tape.
Troubleshooting Problem There are areas of uncut grass at the overlap between cutting units. 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 travelling across the face of a slope. 3. There is no ground contact on 1 end of the cutting unit because of poorly routed hoses or wrongly positioned hydraulic adapters. 4.
Problem There is scalping of the turf. There is excessive bedknife wear. The engine does not start with the ignition key. The battery has no power. The hydraulic fluid is overheating. Possible Cause 1. The undulations are too severe for the height of cut setting. 1. Use floating cutting units. 2. The height of cut is too low. 2. Raise the height of cut. 1. The bedknife is in heavy contact with the ground. 1. Raise the height of cut. 2. The cutting edges of the reel and/or bedknife are rounded. 3.
Problem Possible Cause Corrective Action 1. The parking brake is engaged. 1. Disengage the parking brake. 2. The fluid level is low. 3. The reservoir has the wrong kind of fluid. 4. The drive pedal linkage is damaged. 6. The transmission bypass valve is open. 7. There is a broken drive coupling. 2. Fill the reservoir to the correct level. 3. Drain the reservoir and fill it with the correct fluid. 4. Check the linkage and replace any damaged or worn parts. 5.
Problem A cutting unit fails to lift out of work. The cutting units do not follow the contours of the ground. The cutting units fail to start up when lowered into work. Possible Cause 1. There is a lift cylinder seal failure. 1. Replace the seals. 2. The pressure relief valve is jammed open or wrongly set. 3. There is a malfunctioning control valve. 4. There is mechanical blockage. 2. Have the relief valve pressure checked. Consult your authorized distributor. 3. Overhaul the control valve. 4.
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