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Form No. 3397-644 Rev A Groundsmaster ® 4300-D Traction Unit Model No. 30853—Serial No. 315000170 and Up *3397-644* A Register at www.Toro.com. Original Instructions (EN)
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You are responsible for operating the product properly and safely. You many contact Toro directly at www.Toro.com for product safety and operation training materials, accessory information, help finding a dealer, or to register your product.
Contents Raising the Machine..........35 Lubrication ...............35 Greasing the Bearings and Bushings ......35 Safety ................4 Engine Maintenance ..........37 General Safety............4 Engine Safety............37 Sound Power Level ..........4 Servicing the Air Cleaner .........37 Sound Pressure Level..........4 Servicing the Engine Oil..........38 Vibration Level ............
Sound Power Level Safety This unit has a guaranteed sound power level of 105dBA, This machine has been designed in accordance with EN ISO which includes an Uncertainty Value (K) of 1dBA. 5395:2013 and ANSI B71.4-2012. Sound power level was determined according to the procedures outlined in EN 11094.
Safety and Instructional Decals Safety decals and instructions are easily visible and are located near any area of potential danger. Replace any decal that is damaged or lost. 93–6689 1. Danger—do not sit on the plastic shroud. 106-6755 93-7272 1. Engine coolant under 3.
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110-8973 110-8869 (Affix over Part Number 110–8869 for CE*) 1. Warning—read the Operator's Manual, do not operate this *This safety decal includes a slope warning required on the machine fro compliance to machine unless you are trained. the European Lawn Mower Standard EN ISO 5395:2013. The conservative maximum 2.
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117–2718 117-4764 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Cutting hazard of hand, mower blade—stay away from moving parts, keep all guards and shields in place. 121–5644 3. Cutting hazard of foot, mower blade—stay away from moving parts, keep all guards and shields in place.
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104-1086 1. Height of cut 125-8753 1. Read the Operator's Manual for more maintenance information.
Remove the shipping blocks and pins. Rear weights (quantity varies with Install rear weights (order from your Varies configuration). Toro Distributor). Hood latch assembly Install the hood latch for CE compliance. Washer Throttle stop Install the throttle stop for CE compliance.
Adjusting the Control Arm Removing the Shipping Blocks Position and Pins No Parts Required No Parts Required Procedure Procedure 1. Remove and discard the shipping blocks from the The control arm position can be adjusted for the operator’s cutting decks. comfort.
40.8 kg (90 lb) of calcium chloride ballast is added to rear wheels. Use the following charts to determine the combinations of weights required for your configuration. Order parts from your Toro Distributor. Weight P/N 110-8985-03...
4. Outside the hood, insert the hook end of the latch through the hole in the hood and make sure that the rubber-sealing washer remains to the outer side of the hood (Figure Installing the Hood Latch for 5. Inside the hood, insert the metal washer onto the latch and secure with the nut and make sure that the latch CE Compliance engages the frame catch when it is locked.
Adjusting the Rear Cutting Deck The front and rear cutting decks require different mounting positions. The rear cutting deck has 1 mounting position for proper alignment with the sidewinder under frame. Adjusting the Carrier Frame For all heights of cut, mount the rear cutting deck in the rear-mounting holes (Figure No Parts Required...
Installing the Mulching Baffle Preparing the Machine (Optional) No Parts Required No Parts Required Checking the Tire Pressure Procedure Check the tire pressure before use; refer to Checking the Tire Pressure (page 22). 1. Thoroughly clean debris from the mounting holes on the rear wall and left side wall of the chamber.
Product Overview Controls Seat-Adjusting Knobs The seat-adjusting lever (Figure 10) allows you to adjust the seat fore and aft. The weight-adjusting knob adjusts the seat for the operator’s weight. The weight gauge indicates when the seat is adjusted to the operator’s weight. The height-adjusting knob adjusts the seat for the operator’s height.
Key Switch The key switch (Figure 12) has 3 positions: O , and S REHEAT TART Lower Mow/Raise Control Lever This lever (Figure 12) raises and lowers the cutting decks and also starts and stops the mowers when the mowers are enabled in the mow mode.
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InfoCenter Icon Description InfoCenter Icon Description (cont'd.) SERVICE DUE Indicates when scheduled service should be performed Cutting units are lowering. Hour meter Cutting units are raising. Info icon PIN passcode Fast CAN bus Slow InfoCenter Fuel level Bad or failed Bulb The glow plugs are active.
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Contains a list of the recent LCD Contrast Controls the contrast of the machine faults. Refer to LCD display. the Service Manual or your Toro Distributor for more Protected Menus Allows the information on the Faults superintendant/mechanic menu and the information to access protected menus by contained there.
Toro Distributor for assistance. available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved Viewing and Changing the Protected attachments and accessories.
Fuel Safety Operation DANGER Note: Determine the left and right sides of the machine from the normal operating position. In certain conditions, fuel is extremely flammable and highly explosive. A fire or explosion from fuel can burn you and others and can damage property. Before Operation •...
Checking the Engine-Oil Level • Painted surfaces may be damaged by biodiesel blends. • Use B5 (biodiesel content of 5%) or lesser blends in cold Before you start the engine and use the machine, check weather. the oil level in the engine crankcase; refer to Checking the Engine-Oil Level (page 38).
Checking the Tire Pressure 1. Lower the cutting deck to the ground, turn the key in the ignition switch to the O position, and remove Service Interval: Before each use or daily the key. The correct air pressure in the front and rear tires is 83 to 2.
Breaking-in the Machine To ensure optimum performance of the parking brake system, burnish (break-in) the brakes before use. Set the forward traction speed to 6.4 km/h (4 mph) to match the reverse traction speed. (All 8 spacers moved to the top of the mow speed control.) With the engine at high idle, proceed forward with the mow speed control stop engaged and ride the brake for 15 seconds.
Note: If this time is greater than 7 seconds, the • Do not tamper with the interlock switches. braking valve needs adjustment. Call your Toro Distributor for assistance in making this adjustment. • Check the operation of the interlock switches...
Atomic Blade This blade was designed to provide excellent leaf mulching. Attributes: Excellent leaf mulching The Diagnostic Light The machine is equipped with a diagnostic light which indicates if the machine detects a malfunction. The diagnostic light is located on the InfoCenter, above the display screen (Figure 21).
Choosing Accessories Optional Equipment Configurations Angle Sail Blade High Lift Parallel Sail Mulching Baffle Roller Scraper Blade (Do not use with the mulching baffle) Grass Cutting: 1.9 to 4.4 Recommended in most May work well in light or Has been shown to Can be used any time cm (0.75 to 1.75 inches) applications...
Do not use the machine as a towing vehicle. • Keep all body parts, including hands and feet, away from • Use accessories and attachments approved by The Toro® all moving parts. Company only. • Do not operate the machine while ill, tired, or under the influence of alcohol or drugs.
Starting and Stopping the continuing operation. Serious damage could occur if you operate the machine with a malfunction. Engine Important: You must bleed the fuel system before Mowing starting the engine if you are starting the engine for the Turn the key in the ignition switch to the O position, start first time, the engine has stopped due to lack of fuel, or the engine, and move the throttle to the F...
Transport Identifying the Tie-Down Points Move the Enable/Disable switch to the D position and ISABLE raise the cutting decks to the T position. Move the RANSPORT • Front of the machine—the hole in the rectangular pad, mow/transport lever to the T position.
Pushing or Towing the 1. If using a trailer, connect it to the towing vehicle and connect the safety chains. Machine 2. If applicable, connect the trailer brakes. In an emergency, the machine can be moved by actuating the 3. Load the machine onto the trailer or truck. bypass valve in the variable displacement hydraulic pump and pushing or towing the machine.
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DANGER Loading a machine onto a trailer or truck increases the possibility of backward tip-over and could cause serious injury or death. • Use extreme caution when operating a machine on a ramp. • Ensure that the ROPS is in the up position while using the seat belt when loading the machine.
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 • Torque the wheel-lug nuts to 94 to 122 N∙m (70 to 90 ft-lb). After the first hour •...
Date Information Important: Refer to your engine operator's manual for additional maintenance procedures. Note: Download a free copy of the electrical or hydraulic schematic by visiting www.Toro.com and searching for your machine from the Manuals link on the home page.
Keep all parts of the machine in good working condition assistance, contact your Toro Distributor. and all hardware tightened, especially blade-attachment • Use only genuine Toro replacement parts and accessories. hardware. Replace all worn or damaged decals. Replacement parts and accessories made by other •...
Raising the Machine Lubrication Note: Use jack stands to support the machine when required. Greasing the Bearings and Use the following as points to jack up the machine: Bushings • Front of the machine—rectangular pad, under the axle tube, inside each front tire (Figure 28).
Engine Maintenance • Cutting unit spindle-shaft bearings (2 per cutting unit) (Figure Note: Either fitting can be used, which ever is more Engine Safety accessible. Pump grease into the fitting until a small amount appears at bottom of the spindle housing (under Shut off the engine before checking the oil or adding oil to the deck).
Preferred oil: SAE 15W-40 (above -17.8°C (0°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. 1. Park the machine on a level surface, stop the engine, set the parking brake, and remove the key from the ignition switch.
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Servicing the Engine Oil and Filter Figure 40 Important: Be sure to keep the engine-oil level between the upper and lower limits on the oil gauge. Engine failure may occur as a result of over filling or under filling the engine oil. Figure 41 Important: Do not over-tighten the filter.
Adjusting the Throttle Fuel System 1. Position the throttle lever forward so it is approximately Maintenance 3 mm (1/8 inch) from the front of the control-arm slot. 2. Loosen the throttle cable connector, on the throttle Servicing the Fuel System cable, next to the injection-pump lever (Figure 42).
Servicing the Water Separator Servicing the Fuel-Pickup Tube Service Interval: Every 400 hours The fuel-pickup tube, located inside the fuel tank, is equipped with a screen to help prevent debris from entering the fuel system. Remove the fuel-pickup tube and clean screen as required.
Replacing the Fuses Electrical System Maintenance There are 8 fuses in the Electrical System. The fuse block (Figure 45) is located behind the control-arm access panel. Electrical System Safety • Disconnect the battery before repairing the machine. Disconnect the negative terminal first and the positive last.
Drive System 6. Turn the key in the ignition switch to the O position, remove the jack stands, and lower the machine to the Maintenance ground. 7. Test drive the machine to make sure that it does not creep. Adjusting the Traction Drive for Neutral Adjusting the Rear Wheel Toe-in...
Removing Debris from the Cooling System Cooling System Maintenance 1. Turn the key in the ignition switch to the O position and remove the key. Checking the Cooling System 2. Thoroughly clean all debris out of the engine area. Service Interval: Before each use or daily—Check the level 3.
Brake Maintenance 6. Thoroughly clean both sides of the oil cooler and the radiator (Figure 52) with compressed air. Adjusting the Parking Brakes Adjust the brakes when there is more than 2.5 cm (1 inch) of free travel (Figure 53) of the brake pedal, or when more holding force is required.
Adjusting the Parking-Brake Belt Maintenance Latch Tensioning the Alternator Belt If the parking brake fails to engage and latch, an adjustment to the brake pawl is required. 1. Open the hood. 1. Loosen the 2 screws securing the parking-brake pawl 2.
See the Parts Catalog or your Toro Distributor for part numbers.) Alternate fluids: If the Toro fluid is not available, other fluids may be used provided they meet all the following material properties and industry specifications. We do not recommend the use of synthetic fluid.
Changing the Hydraulic Fluid Service Interval: Every 800 hours If fluid becomes contaminated, contact your Toro Distributor because the system must be flushed. Contaminated fluid looks milky or black when compared to clean oil. 1. Turn the key in the ignition switch to the O position and raise the hood.
Testing the Pressure in the Hydraulic System Use the hydraulic system test ports to test the pressure in the hydraulic circuits. Contact your Toro Distributor for assistance. Hydraulic Valve Solenoid Functions Use the list below to identify and describe the different Figure 62 functions of the solenoids in the hydraulic manifold.
Mounting the Cutting Decks to Blade Maintenance the Traction Unit Blade Safety 1. Position the machine on a level surface and turn the key in the ignition switch to the O position. DANGER 2. Move the cutting deck into position in front of the traction unit.
Adjusting the Blade Plane (page 51). of balance, or if the blade is bent. Always use genuine Toro replacement blades to be sure of safety and optimum Adjusting the Blade Plane performance. Never use replacement blades made by other manufacturers because they could be dangerous.
Inspecting and Sharpening the Blade 1. Raise the cutting deck to the highest position, turn the key in the ignition switch to the O position, and engage the parking brake. Figure 67 2. Block the cutting deck to prevent it from falling 1.
Miscellaneous Important: Securing the roller assembly with a gap larger than 1.5 mm (0.060 inch) creates a side Maintenance load on the bearing and can lead to premature bearing failure. 7. Torque the mounting bolt to 108 N∙m (80 ft-lb). Servicing the Front Roller Inspect the front roller for wear, excess wobble, or binding.
Storage 11. Check the antifreeze protection and add as needed for expected minimum temperature in your area. Preparing the Machine for Cutting Deck Storage If the cutting deck is separated from the traction unit for any length of time, install a spindle plug in the top of the spindle Preparing the Traction Unit to protect the spindle from dust and water.
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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.
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Countries Other than the United States or Canada Customers who have purchased Toro products exported from the United States or Canada 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.