Toro LT3340 Operator's Manual
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Toro LT3340 Operator's Manual

Heavy-duty triple turf mower traction unit
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Original Instructions (EN)
LT3340 Heavy-Duty Triple Turf
Mower Traction Unit
Model No. 30657—Serial No. 313000001 and Up
Form No. 3378-880 Rev B
g014494
*3378-880* B

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Summary of Contents for Toro LT3340

  • Page 1 Form No. 3378-880 Rev B LT3340 Heavy-Duty Triple Turf Mower Traction Unit Model No. 30657—Serial No. 313000001 and Up g014494 *3378-880* B Register at www.Toro.com. Original Instructions (EN)

  • Page 2: Introduction

    You are responsible for operating the product properly and safely. You may contact Toro directly for product and accessory information, help finding a dealer, or to register your product at Toro Commercial Products Service Department Spellbrook, Bishops Stortford, CM23 4BU, England, +44(0)1279 603019, Email: uk.service@toro.com.

  • Page 3: Table Of Contents

    Safety ................4 Drive System Maintenance .........39 Safe Operating Practices........... 4 Changing the Transmission Oil Filter ......39 Toro Riding Mower Safety ........6 Changing the Hydraulic Return Filter ......39 Sound Power Level ..........6 Check Rear Wheel Alignment........40 Sound Pressure Level..........6 Cooling System Maintenance ........40...

  • Page 4: Safety

    Safety hair, loose clothing, or jewelry may get tangled in moving parts. Do not operate the equipment when barefoot or wearing open sandals. This machine meets or exceeds standard EN 836:1997 • Thoroughly inspect the area where the equipment is to specifications in effect at time of production.
  • Page 5 • – machine speeds should be kept low on slopes and Reduce the throttle setting during engine run-out and, if during tight turns; the engine is provided with a shut-off valve, turn the fuel off at the conclusion of mowing. –...

  • Page 6: Toro Riding Mower Safety

    Toro Riding Mower Safety • Make sure all hydraulic line connectors are tight and all The following list contains safety information specific to Toro hydraulic hoses and lines are in good condition before products or other safety information that you must know that applying pressure to the system.

  • Page 7: Safety And Instructional Decals

    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. 70-13-072 1. Jacking point 70-13-077 1. Warning—stop the engine and remove the ignition key before releasing or operating safety latches.
  • Page 8 111-3562 1. Press pedal to adjust steering wheel tilt. 111-3566 1. Falling, crushing hazard—ensure operator platform latch is engaged before operating. 111-3569 1. 24 hour service interval 6. Check hydraulic oil level 11. Check cutter head setting 16. Lubrication points for 24 hour interval 2.
  • Page 9 111-3902 1. Warning—cutting hazard of hand, fan. 111-3567 2. Hot surfaces—read the Operator's Manual for more information. 1. Pedal operation 111–5007 1. Tipping hazard—slow machine before turning. 2. Tipping hazard—operate on slopes less than 20 degrees, do not operate on slopes greater than 20 degrees. 3.

  • Page 10: Setup

    Setup Media and Additional Parts Description Qty. Operator's Manual Read the Operator's Manual before operating the machine Engine Operator's Manual Reference engine information Parts Catalog Reference part numbers CE certificate Declaration of Certification 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.

  • Page 11: Product Overview

    Controls Product Overview Control Panel Components 13 16 14 17 8 2 3 4 g014594 Figure 2 1. Front cutting units 4. Operator's seat 2. Control arm 5. Engine hood 3. Steering wheel 6. Rear cutting unit G016426 Figure 3 1.
  • Page 12 G014421 Figure 6 1. Parking brake g014419 Figure 4 Service Brake 1. Weight transfer control Service braking is achieved by the hydraulic transmission system. When the forward or reverse travel pedals are released or the engine speed reduced, service braking becomes effective and travel speed is automatically reduced.
  • Page 13 Transport Latches Always raise the cutterheads to the transport position and secure with the transport latches and safety locks when travelling between work areas (Figure 9). G014547 Figure 7 1. Throttle control lever Travel Forward travel: Depress the forward travel pedal to increase forward travel speed.
  • Page 14 • 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 (kg) (Figure 12). G014549 Figure 10 Operator Seat WARNING Never operate the mower without first checking that the operator seat mechanisms are in good working order and that, once adjusted and locked,...
  • Page 15 • • Height adjustment: Manually lift the seat for Backrest adjustment: Pull the handle outwards to incremental height adjustment. To lower, lift the seat adjust the seat backrest angle. Release the handle to lock beyond its highest setting, then allow it to drop to the the seat backrest in position.
  • Page 16 Warning Systems Low Battery Charge Warning Light The battery charge warning light illuminates when low battery Engine Coolant Overheating Warning Light charge occurs (Figure 17). The engine coolant warning light illuminates, the horn is actuated and the cutters stop (Figure 15). G014553 Figure 17 1.
  • Page 17 Ignition Key Fuel Gauge 0 = Engine off. The fuel gauge shows the amount of fuel in the tank (Figure 22). I = Engine run/Auxiliary on. II = Engine pre-heat. III = Engine start. FUEL WARNING Always remove the ignition key when the mower is G014558 Figure 22 not in use.

  • Page 18: Specifications

    11 km/h (6.85 mph) Hydraulic system capacity 32 litres (7.04 UK Gallons) Attachments/Accessories A selection of Toro approved attachments and accessories are available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor.

  • Page 19: Operation

    Preferred oil: SAE 15W-40 (above 0 degrees F) • Alternate oil: SAE 10W-30 or 5W-30 (all temperatures) Toro Premium Engine oil is available from your distributor in either 15W-40 or 10W-30 viscosity. Note: The best time to check the engine oil is when the engine is cool before it has been started for the day.

  • Page 20: Checking The Cooling System

    Checking the Cooling System Use of summer grade fuel above -7° C (20° F) will contribute toward longer fuel pump life and increased power compared Service Interval: Before each use or daily to winter grade fuel. Important: Do not use kerosene or gasoline instead of CAUTION diesel fuel.

  • Page 21: Checking The Hydraulic Fluid

    Note: This is vegetable-oil based biodegradable oil tested nozzle in contact with the rim of the fuel tank and approved by Toro for this model. This fluid is not as or container opening at all times until fueling is resistant to high temperatures as standard fluid, so be sure to follow the recommended fluid change intervals with this complete.

  • Page 22: Check The Torque Of The Wheel Nuts

    4. Remove the cap and fill the tank to the upper mark on the sight level gauge. Do not overfill. 5. Install the cap onto the tank. Check the Torque of the Wheel Nuts Service Interval: Before each use or daily Torque the wheel nuts to 200 N-m (148 ft-lb) for the front axle, and 54 N-m (40 ft-lb) for the rear axle.

  • Page 23: Starting And Stopping The Engine

    CAUTION If safety interlock switches are disconnected or damaged the machine could operate unexpectedly causing personal injury. • Do not tamper with the interlock switches. G014557 • Check the operation of the interlock switches Figure 31 daily and replace any damaged switches before 1.

  • Page 24: Checking The Cylinder To Bedknife Contact

    G014563 Figure 32 G014423 Figure 33 Checking the Cylinder to MK3 Floating cutterhead 8 inch (20 cm): When the Bedknife Contact mower is set up with floating cutterheads the height of cut is gauged by the front and rear rollers. The cutterhead is allowed Each day before operating, check the cutterhead to bedknife to pivot fore and aft as well as laterally.

  • Page 25: Mk3 Fixed Cutterhead 8 Inch (20 Cm) And Fixed Cutterhead 10 Inch (25 Cm)

    MK3 Fixed cutterhead 8 inch (20 cm) and Fixed cutterhead 10 inch (25 cm) Pivot knuckle fixing: Secure the bolt in the front fixed hole position in Figure 37 as shown. G014425 G014427 Figure 35 Figure 37 1. Front fixed hole position WARNING Height of cut adjustment: The height of cut is gauged Always ensure that the grass deflectors are angled...

  • Page 26: Mk3 Floating Cutterhead 8 Inch (20 Cm)

    Ensure that all cutterheads are set at the same height of cut by either referring to the indicator rings (Figure 39 ) or by using a height of cut gauge across the full width of each cutterhead for greater accuracy as shown. G014431 Figure 41 1.

  • Page 27: Centre Cutterhead Height Of Cut Correction Adjustment

    Centre Cutterhead Height of Cut Correction Adjustment With all cutterheads set at the same HOC via the indicator rings, it may be noticeable that the center unit produces a higher cut finish compared to the wing units. The center unit is pulled and the wing units are pushed, this presents marginally different cutting angles relative to the ground.

  • Page 28: Engaging The Cutterhead Drive

    Engaging the Cutterhead Drive 4. Stop the engine and remove the ignition key to isolate all power sources and check 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.

  • Page 29: Folding The R.o.p.s

    Folding the R.O.P.S. WARNING Be careful lowering and raising the R.O.P.S frame The R.O.P.S frame may be folded down to allow access into to prevent entrapment of fingers between fixed part areas of restricted height. and pivot part of the structure. WARNING •...

  • Page 30: Operating Tips

    Operating Tips WARNING Take care when travelling over obstacles such as Familiarization roadside kerbs. Always travel at slow speed over obstacles to prevent damage to the machines tyres, Before mowing grass, practice operating the machine in an wheels and steering system. Ensure that tyres are open area.

  • Page 31: Maintenance

    Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Maintenance Procedure Interval • Check the condition and tension of the alternator belt. After the first 8 hours • Change the engine oil and filter. •...

  • Page 32: Daily Maintenance Checklist

    Maintenance Service Maintenance Procedure Interval • Drain and clean the fuel tank Before storage • Flush and replace the cooling system fluid. Every 2 years • Replace all moving hoses. Daily Maintenance Checklist Duplicate this page for routine use. Maintenance Check Item For the week of: Mon.

  • Page 33: Pre- Maintenance

    Important: Regular maintenance is essential for the continued safe operation of the machine. Correct servicing will prolong the working life of the machine and safeguard the Warranty. Always use genuine TORO service parts as these are accurately matched to the required duty.

  • Page 34: Lubrication

    Lubrication Replace any grease zerks that become damaged. Grease all cutterhead grease points and ensure that sufficient grease is injected such that clean grease is seen to escape Greasing the Bearings, from the roller end caps. This provides visible evidence that Bushings and Pivots the roller seals have been purged of grass debris etc.

  • Page 35: Engine Maintenance

    Engine Maintenance Check the Engine Overheat Warning System Service Interval: Every 500 hours G014565 Figure 50 2. Before removing the filter, use low pressure air (40 psi, clean and dry) to help remove large accumulations of debris packed between outside of the filter and the canister.

  • Page 36: Servicing The Engine Oil And Filter

    Servicing the Safety Filter The air filter has a secondary, safety filter element inside the primary air filter to prevent dislodged dust and other items from entering the engine while changing the main element. Replace the safety filter, never clean it. Important: Never attempt to clean the safety filter.

  • Page 37: Fuel System Maintenance

    Fuel System DANGER Maintenance Under certain conditions, diesel fuel and fuel vapors are highly flammable and explosive. A fire or explosion from fuel can burn you and others and DANGER can cause property damage. Under certain conditions, diesel fuel and fuel •...

  • Page 38: Electrical System Maintenance

    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. Check Electrical System Service Interval: Every 500 hours Inspect all electrical connections and cables and replace any which are damaged or corroded.

  • Page 39: Servicing The Battery

    Drive System • Inspect end fittings for wear, corrosion, broken springs, and replace if necessary. Maintenance • Ensure that the rubber seals are correctly located and are in good condition. • Ensure that the articulating sleeves supporting the inner Changing the Transmission cable are in good condition and firmly attached to the Oil Filter outer cable assembly at the crimped connections.

  • Page 40: Check Rear Wheel Alignment

    Cooling System Maintenance Removing Debris from the Cooling System Service Interval: Before each use or daily Every 100 hours Every 2 years 1. Park the machine on a level surface, stop the engine, set the parking brake and remove the key from the ignition switch.

  • Page 41: Brake Maintenance

    Brake Maintenance Towing the Mower Ensure that the towing vehicle specification is suited to braking the combined vehicle weight and able to remain in complete control at all times. Ensure the towing vehicle’s parking brake is applied. Chock the mower front wheels to prevent the mower rolling away.
  • Page 42 8. The mower is now in a free wheel condition and can be towed for a short distance at slow speed. Remove wheel chocks before towing. 9. After towing the mower: To return the mower to its normal working condition the following procedure must be done.

  • Page 43: Belt Maintenance

    Belt Maintenance WARNING Before using the mower, ensure that the braking Check the condition and tension of the alternator belt after system operates correctly. Carry out initial the first day of operation and every 100 operating hours checks with the mower at slow speed. Do not thereafter.

  • Page 44: Controls System Maintenance

    Transmission Neutral Interlock Controls System Switch Maintenance 1. Stop the mower engine. 2. Remove your foot from the forward/reverse travel Check Forward/Reverse Travel pedals. Pedal Action 3. Turn the ignition key to position I and the transmission neutral indicator light should illuminate. With the engine switched off, operate the forward and reverse travel pedals through the full range of articulation and ensure 4.

  • Page 45: Hydraulic System Maintenance

    Hydraulic System Maintenance WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • Make sure 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.

  • Page 46: Checking The Hydraulic Lines And Hoses

    Checking the Hydraulic Lines Cutterheads System and Hoses Maintenance Daily, check hydraulic lines and hoses for leaks, kinked lines, loose mounting supports, wear, loose fittings, weather Cutterheads Maintenance deterioration, and chemical deterioration. Make all necessary repairs before operating. Checking Cutterheads Rear Roller Bearing Adjustment Service Interval: Every 50 hours Important: It is essential that the cutterheads roller...

  • Page 47: Cutterhead Cylinder To Bottom Blade Adjustment

    G014440 Figure 70 1. Scraper wire retaining nuts G014443 Note: Do not over tighten the scraper wires. Figure 71 Cutterhead Cylinder to Bottom 1. Check that the cutting cylinder is correctly set to the Blade Adjustment bottom blade by holding a thin piece of paper between the cutting cylinder and the bottom blade as shown.

  • Page 48: Cutterheads Back Lapping

    80 Grade Carborundum paste Part No. 1 lb (0.45 kg) 63-07-088 25 lb (11.25 kg) 63-07-086 G014444 Figure 72 1. Hand wheel 2. Nut Cutterheads Back Lapping G014445 Figure 73 WARNING Contact with the cutterheads or other moving parts 4. Ensure that the area surrounding the cutterhead heads can result in personal injury.

  • Page 49: Cutterheads Grinding

    7. Operate the cutterheads drive switch to the off position and switch off the mower engine when the grinding action has stopped. 8. Thoroughly clean the blade edges and adjust the cutting cylinders to the bottom blades. Check that a thin piece of paper can be cut cleanly at all points along the cutting edges while rotating the cylinders by hand.

  • Page 50: Waste Disposal

    B. Clean the battery, terminals, and posts with a wire brush and baking soda solution. C. Coat the cable terminals and battery posts with Grafo 112X skin-over grease (Toro Part No. 505-47) or petroleum jelly to prevent corrosion. D. Slowly recharge the battery every 60 days for 24 hours to prevent lead sulfation of the battery.

  • Page 51: Troubleshooting

    Troubleshooting Problem Possible Cause Corrective Action Areas of uncut grass at overlap between 1. Turning too tightly 1. Reduce turning radius cutting cylinders 2. Mower sliding sideways when travelling 2. Mow up/down slope across face of slope 3. No ground contact on one end of the 3.
  • Page 52 Problem Possible Cause Corrective Action Excessive bottom blade wear 1. Bottom blade in heavy ground contact 1. Raise height of cut 2. Cutting edges of the cutting cylinder/ 2. Back lap or regrind to restore cutting bottom blade are rounded edges 3.
  • Page 53 Problem Possible Cause Corrective Action Excessive noise in hydraulic system 1. Faulty pump 1. Identify noisy pump and service or replace 2. Faulty motor 2. Identify noisy motor and service or replace 3. Air leaking into system 3. Tighten or replace hydraulic fittings particularly in suction lines 4.
  • Page 54 Problem Possible Cause Corrective Action Cutterheads fail to start up when lowered 1. Faulty seat sensor switch 1. Check mechanical and electrical into work operation of switch 2. Low oil level 2. Fill hydraulic oil reservoir to correct level 3. Sheared drive shaft 3.

  • Page 55: Schematics

    Schematics G022305 Electrical Schematic (Rev. A)
  • Page 56 G022287...
  • Page 57 Item number Description Part Number HYDRAULIC MOTOR - LH FRONT 940602 CUTTERHEAD HYDRAULIC MOTOR - CTR FRONT 910696 CUTTERHEAD HYDRAULIC MOTOR - RH CUTTERHEAD 910696 CHECK VALVE / ORIFICE - MOTOR BYPASS RELIEF VALVE. INDIVIDUAL MOTOR 111-6833 PROTECTION PILOT SPOOL VALVE, CUTTER ENGAGE 111-6829 CUTTER CONTROL MANIFOLD 111-6595 12V SOLENOID VALVE, CUTTER...
  • Page 58 REAR TRANSMISSION MANIFOLD 924687 SOLENOID VALVE - FWD REVERSE 924688 CHECK VALVE 4WD HYDRAULIC MOTOR - LH FRONT WHEEL 111-2557 HYDRAULIC MOTOR - RH FRONT 111-2557 WHEEL FRONT TRANSMISSION MANIFOLD 111-3993 111-3533 SOLENOID VALVE - PARKING BRAKE/DIFF LOCK SUCTION STRAINER 65-06-305 GEAR PUMP - CUTTERHEAD DRIVE 111-3553...
  • Page 59 The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with 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.
  • Page 60 Countries Other than the United States or Canada Customers should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty Company.

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30657

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