Form No. 3417-913 Rev A Groundsmaster® 4300-D Traction Unit Model No. 30864—Serial No. 401341117 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. Model No. Serial No. WARNING CALIFORNIA Proposition 65 Warning This product contains a chemical or chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm.
Contents Servicing the Air Cleaner .................................. 50 Servicing the Engine Oil.................................... 51 Servicing the Diesel-Oxidation Catalyst (DOC) and the Soot Filter .............................. 53 Fuel System Maintenance ................................... 53 Servicing the Fuel Filter .................................... 53 Using the Fuel-Pickup Tube.............................. 53 Servicing the Water Separator ..........................
Safety • Do not operate the machine without all guards This machine has been designed in accordance with EN ISO 5395:2013 and ANSI B71.4-2012. • Keep clear of any discharge opening. Keep and other safety protective devices in place and working on the machine. bystanders and pets a safe distance away from the machine. Important: For CE required regulatory data, refer to the Declaration of Conformity supplied with the machine. • Keep children out of the operating area.
decal106-6755 106-6755 1. Engine coolant under pressure. 3. Warning—do not touch the hot surface. 2. Explosion hazard—read the Operator's Manual. 4. Warning—read the Operator's Manual. decal117-0169 117-0169 1. Read the Operator's Manual. 2. Power point (10 A) 3. Head lights (10 A) 4. Power (10 A) 5. Engine start (15 A) decal110-0986 6. Optional air ride seat suspension (20 A) 110-0986 7. Engine computer management C (7.5 A) 1.
decal120-4158 120-4158 1. Read the Operator’s Manual. 2. Engine—start 3. Engine—preheat 4. Engine—shut off decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery 1. Explosion hazard decal125-8754 125-8754 6. Keep bystanders a safe distance away from the battery. 1. Head lights 6. Slow 2. Engage 7. Lower the cutting units 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Power take-off (PTO) 8.
decal125-2927 125-2927 1. Read the Operator’s Manual for maintenance information. decal104-1086 104-1086 1.
decal133-2930 133-2930 1. Warning—read the Operator's Manual; do not operate this machine unless you are trained. 4. Tipping hazard—slow the machine before turning; do not turn at high speeds; only drive on slopes with the cutting units lowered; always wear a seatbelt. 2. Warning—wear hearing protection. 5. Warning—do not park on slopes; lock the parking brake, shut off the engine and remove the ignition key before leaving the machine. 6. Warning—read the Operator's Manual; do not tow the machine. 3.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description 1 2 3 4 5 Use Qty. No parts required – Adjust the control arm position. No parts required – Remove shipping blocks and pins. No parts required – Adjust the roller scraper (optional). No parts required – Install the mulching baffle (optional). No parts required – Prepare the machine.
2 3 Removing the Shipping Blocks and Pins Adjusting the Roller Scraper (Optional) No Parts Required No Parts Required Procedure Procedure 1. Remove and discard the shipping blocks from the cutting decks. 2. Remove and discard the shipping pins from the cutting deck suspension arms. The optional rear roller scraper is designed to work best when there is an even gap of 0.5 to 1 mm (0.020 to 0.040 inch) between the scraper and roller. 1.
4 5 Installing the Mulching Baffle (Optional) Preparing the Machine No Parts Required No Parts Required Checking the Tire Pressure Procedure 1. 2. Check the tire pressure before use; refer to Checking the Tire Pressure (page 23). Thoroughly clean debris from the mounting holes on the rear wall and left side wall of the chamber. Important: Maintain pressure in all tires to ensure a good quality of cut and proper machine performance. Do not underinflate the tires.
Brake Pedal Product Overview Press the brake pedal (Figure 6) to stop the machine. Controls Parking Brake Seat Adjusting Knobs To engage the parking brake, (Figure 6) push down the brake pedal and press the top forward to latch. To disengage the parking brake, press the brake pedal until the parking-brake latch retracts. The seat-adjusting lever (Figure 5) allows you to adjust the seat forward and rearward. The weight-adjusting knob adjusts the seat for your weight.
in the green zone. When the indicator is in the red zone, change the hydraulic filters. g021208 Figure 7 1. Lower mow/raise control lever 2. Key switch 4. Enable/disable switch 3. InfoCenter 6. Headlight switch g031683 Figure 8 5. Engine-speed switch 1. Hydraulic-filter-restriction indicator Key Switch Power Point The key switch (Figure 7) has 3 positions: OFF, ON/PREHEAT , and START . The power point is a 12 V power supply for electronic devices (Figure 9).
InfoCenter Icon Description SERVICE DUE Indicates when scheduled service should be performed Hours remaining until service Reset the service hours The status of the engine speed (rpm) Info icon Maximum traction speed setting g020650 Fast Figure 10 1. Indicator light 3. Middle button 2. Right button 4. Left button Slow • Left Button, Menu Access/Back Button—press this The fan is reversed. button to access the InfoCenter menus. You can use it to exit any menu that you are currently using.
InfoCenter Icon Description (cont'd.) InfoCenter Icon Description (cont'd.) Start the engine. Operator should change to indicated state The PTO is on. Symbols are often combined to form sentences. Some examples are shown below The cruise control is on.
Using the Menus To access the InfoCenter menu system, press the menu access button while at the main screen. This brings you to the main menu. Refer to the following tables for a synopsis of the options available from the menus: Main Menu—Menu Item Description Faults Contains a list of the recent machine faults. Refer to the Service Manual or your authorized Toro distributor for more information on the Faults menu and the information contained there.
Protected Menus There are 2 operating configuration settings that are adjustable within the Settings Menu of the InfoCenter: auto idle time delay and counterbalance. To lock these settings, use the Protected Menu. Note: At the time of delivery, the initial password code is programmed by your distributor. Accessing Protected Menus Note: The factory default PIN code for you machine is either 0000 or 1234.
Viewing and Changing the Protected Menu Settings 1. In the Protected Menu, scroll down to Protect Settings. 2. To view and change the settings without entering a passcode, use the right button to change the Protect Settings to OFF. 3. To view and change the settings with a passcode, use the left button to change the Protect Settings to ON, set the passcode, and turn the key in the ignition switch to the OFF position and then to the ON position. Setting the Counterbalance 1.
Specifications Note: Specifications and design are subject to change without notice.
Description Figure 13 reference Dimension or Weight Overall height A 217.2 cm (85-1/2 inches) Wheel tread (tire center to center) rear B 184.5 cm (72.6 inches) Overall width (transport position) C 231 cm (91 inches) Overall width (mowing position) D 246.5 cm (97 inches) Wheel base E 152.4 cm (60 inches) Overall length (transport position) F 315 cm (124 inches) Overall length (mowing position) G 315 cm (124 inches) Fuel-tank capacity 51 L (13.
Operation Filling the Fuel Tank Note: Determine the left and right sides of the machine from the normal operating position. Fuel Tank Capacity Fuel tank capacity: 53 L (14 US gallons) Before Operation Fuel Specification Important: Use only ultra-low sulphur diesel fuel. Fuel with higher rates of sulfur degrades the diesel oxidation catalyst (DOC), which causes operational problems and shortens the service life of engine components. Failure to observe the following cautions may damage the engine.
Adding Fuel Biodiesel This machine can also use a biodiesel blended fuel of up to B20 (20% biodiesel, 80% petroleum diesel). Sulfur content: Ultra-low sulfur (<15 ppm) Biodiesel fuel specification: ASTM D6751 or EN14214 Blended fuel specification: ASTM D975, EN590, or JIS K2204 g194207 Important: The petroleum diesel portion must be ultra-low sulfur. Observe the following precautions: • Biodiesel blends may damage painted surfaces. • Use B5 (biodiesel content of 5%) or lesser blends in cold weather.
Checking the Engine-Oil Level Before you start the engine and use the machine, check the oil level in the engine crankcase; refer to Checking the Engine-Oil Level (page 23). Checking the Cooling System g001055 Before you start the engine and use the machine, check the cooling system; refer to Checking the Cooling System (page 57).
Adjusting the Height of Cut Important: This cutting deck often cuts approximately 6 mm (1/4 inch) lower than a reel cutting unit with the same bench setting. It may be necessary to have the bench of the rotary cutting deck set 6 mm (1/4 inch) above that of reels cutting in the same area. g026184 Figure 17 Important: Access to the rear cutting units is greatly improved by removing the cutting unit from the tractor.
Burnishing the Brakes Checking the Safety-Interlock Switches 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. Proceed backward at full reverse speed and ride the brake for 15 seconds.
Understanding the Diagnostic Light Changing the Counterbalance Settings 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 18). When the machine functions properly and the key switch is moved to the ON/RUN position, the diagnostic light turns on briefly to indicate that the light is working properly.
Choosing Accessories Optional Equipment Configurations Angle Sail Blade High Lift Parallel Sail Blade (Do not use with the mulching baffle) Mulching Baffle Roller Scraper Grass Cutting: 1.9 to 4.4 cm (3/4 to 1-3/4 inches) height of cut Recommended in most applications May work well in light or sparse turf Grass Cutting: 5 to 6.
During Operation • Before leaving the operating position (including to empty the catchers or to unclog the chute), do the following: During Operation Safety – Park the machine on level ground. General Safety – Disengage the power take-off and lower the attachments. • The owner/operator can prevent and is responsible – Engage the parking brake. • • • • • • • • • • • • • • • • for accidents that may cause personal injury or property damage.
Starting and Shutting Off the Engine • Avoid starting, stopping or turning the machine on slopes. Avoid making sudden changes in speed or direction. Make turns slowly and gradually. • Do not operate a machine under any conditions Important: The fuel system automatically bleeds itself before starting the engine if you are starting the engine for the first time, the engine has shut off due to lack of fuel, or you have performed maintenance on the fuel system.
6. Cut grass so that the blades can cut and discharge clippings at a high rate while producing a good quality of cut. engine speed when possible to promote DPF regeneration. • If the back pressure in the DPF is too high or a reset regeneration has not occurred for 100 hours, the engine computer signals you through the InfoCenter when reset regeneration is running. Note: If the cutting rate is too high, the quality of cut may deteriorate.
DPF Ash Accumulation • When enough ash accumulates, the engine • The lighter ash is discharged through the exhaust system; the heavier ash collects in the soot filter. • Ash is a residue of the regeneration process. Over • time, the diesel particulate filter accumulates ash that does not discharge with the engine exhaust. • • The computer for the engine calculates the amount of ash accumulated in the DPF.
Types of Diesel Particulate Filter Regeneration Types of diesel particulate filter regeneration that are performed while the machine is operating: Type of Regeneration Conditions that cause DPF regeneration DPF description of operation Passive Occurs during normal operation of the machine at high-engine speed or high-engine load • The InfoCenter does not display an icon indicating passive regeneration.
Types of diesel particulate filter regeneration that require you to park the machine: (cont'd.) Type of Regeneration Conditions that cause DPF regeneration DPF description of operation Recovery Occurs because the operator ignored requests for a parked regeneration and continued operating the machine, adding more soot to the DPF • When the reset-standby/parked or recovery regeneration icon or ADVISORY #190 displays in the InfoCenter, a recovery regeneration is requested.
press the right button to select the Technician entry (Figure 26). DPF Operation Table (cont'd.) State Description Reset Regen The engine computer is running a reset regeneration. Parked Stby The engine computer is requesting that you run a parked regeneration. Parked Regen You initiated a parked regeneration request and the engine computer is processing the regeneration. Recov. Stby The engine computer is requesting that you run a recovery regeneration. Recov.
Assist DPF Regeneration • The icon displays in the InfoCenter while the reset regeneration is processing. • The engine computer adjusts engine settings to • Whenever possible, do not shut off the engine or raise the exhaust temperature. reduce engine speed while the reset regeneration is processing. • While operating the machine, run the engine at full engine speed and high load when possible to promote DPF regeneration.
g227304 g224394 Figure 31 2. Figure 33 Press the right button to change the inhibit regeneration setting from On to Off (Figure 31) or from Off to On (Figure 32). Note: If the engine exhaust temperature is too low, the InfoCenter displays ADVISORY #186 (Figure 34) to inform you to set the engine to full throttle (high idle).
Parked or Recovery Regeneration regeneration required—power takeoff disabled ADVISORY #189 (Figure 38). • When the engine computer requests either a parked regeneration or a recovery regeneration, the regeneration request icon (Figure 35) displays in the InfoCenter. g224398 Figure 38 Important: Perform a parked regeneration to restore the PTO function; refer to Preparing to Perform a Parked or Recovery Regeneration (page 38) and Performing a Parked or Recovery Regeneration (page 38).
Important: Perform a recovery regeneration 2. to restore the PTO function; refer to Preparing to Perform a Parked or Recovery Regeneration (page 38) and Performing a Parked or Recovery Regeneration (page 38). Move the machine outside to an area away from combustible materials. 3. Park the machine on a level surface. 4. Ensure that the traction control or motion-control levers are in the NEUTRAL position. 5. If applicable, shut off the PTO, and lower the cutting units or accessories. 6.
3. At the DPF checklist screen, verify that the parking brake is engaged and that the engine speed is set to low idle (Figure 46). g224402 g224407 g224629 Figure 44 2. At the VERIFY FUEL LEVEL screen, verify that you have 1/4 tank of fuel if you are performing the parked regeneration or 1/2 tank of fuel if you are performing the recovery regeneration, and press the right button to continue (Figure 45). g227679 Figure 46 4.
5. The InfoCenter displays the INITIATING DPF REGEN message (Figure 48). Check Message and Corrective Action Table (cont'd.) g224411 Corrective Action: Start and run the engine. g227681 Figure 48 6. Corrective Action: Run the engine to warm the coolant temperature to 60°C (140°F). The InfoCenter displays the time to complete message (Figure 49). Corrective Action: Change the engine speed to low idle. g224406 Corrective Action: Troubleshoot the engine computer condition and retry DPF regeneration.
Canceling a Parked or Recovery Regeneration displays ADVISORY #183 (Figure 51). Press the left button to exit to the home screen. Use the Parked Regen Cancel or Recovery Regen Cancel setting to cancel a running parked or recovery regeneration process. 1. Access the DPF Regeneration menu (Figure 53). g224392 Figure 51 g227305 Note: If the regeneration fails to complete, the Figure 53 InfoCenter displays Advisory #184 (Figure 51). Press the left button to exit to the home screen. 2.
Checking the Mower Housing After Operating Operating Tips Becoming Familiarized with the Machine To ensure that optimum performance is met, clean the underside of mower housing. If you allow residue to build up in mower housing, cutting performance will decrease. Before mowing grass, practice operating the machine in an open area. Start and shut off the engine. Operate in forward and reverse. Lower and raise the cutting decks and engage and disengage the mowers.
After Operation After Operation Safety • Clean grass and debris from the cutting units, mufflers, and engine compartment to help prevent fires. Clean up oil or fuel spills. • If the cutting units are in the transport position, use the positive mechanical lock (if available) before you leave the machine unattended. • Allow the engine to cool before storing the machine in any enclosure. • Shut off the fuel before storing or transporting the machine.
g003995 Figure 57 1. Bypass valve 2. Close the bypass valve before starting the engine. However, do not exceed 7 to 11 N∙m (5 to 8 ft-lb) torque to close the valve. Important: Running the engine with the bypass valve open will cause the transmission to overheat. Hauling the Machine • Use care when loading or unloading the machine into a trailer or a truck. • Use full-width ramps for loading the machine into a trailer or a truck. • Tie the machine down securely using straps, chains, cable, or ropes.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Important: If you are performing maintenance on the machine and run the engine with an engine exhaust-extraction duct, set the inhibit regen setting to ON; refer to Setting the Inhibit Regen (page 35). Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first hour • Torque the wheel-lug nuts to 94 to 122 N∙m (70 to 90 ft-lb).
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. Drain the water/fuel separator. 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-fluid level. Check the hydraulic-filter indicator.
Service Interval Chart decal125-2927 Figure 58 CAUTION If you leave the key in the ignition switch, someone could accidently start the engine and seriously injure you or other bystanders. Remove the key from the ignition before you perform any maintenance. Pre-Maintenance Procedures • Use jack stands to support the machine or components when required. • Carefully release pressure from components with stored energy.
Lubrication Raising the Machine Use the following as points to jack up the machine: Greasing the Bearings and Bushings • Front of the machine—rectangular pad, under the axle tube, inside each front tire (Figure 59). If you operate the machine under normal conditions, lubricate all grease fittings for the bearings and bushings after every 50 hours of operation with No. 2 lithium grease. Lubricate bearings and bushings immediately after every washing, regardless of the interval listed.
• Cutting unit carrier-frame pivot (1 each)—Figure • Axle-steering pivot (1)—Figure 65 62 g004169 Figure 65 • Steering-cylinder ball joints (2) and rear axle g011613 (1)—Figure 66 Figure 62 • Lift-arm pivot shaft (1 each)—Figure 63 g004157 Figure 63 • Rear axle tie rod (2)—Figure 64 g011614 Figure 66 • Brake pedal (1)—Figure 67 g011615 Figure 67 g003987 Figure 64 49
Engine Maintenance • Cutting unit spindle-shaft bearings (2 per cutting unit)—Figure 68 Note: You can use either fitting, whichever is more accessible. Pump grease into the fitting until a small amount appears at bottom of the spindle housing (under the deck). Engine Safety • Shut off the engine before checking the oil or adding oil to the crankcase. • Do not change the governor speed or overspeed the engine.
Servicing the Engine Oil Oil Specification Use high-quality, low-ash engine oil that meets or exceeds the following specifications: • API service category CJ-4 or higher g194209 • ACEA service category E6 • JASO service category DH-2 Important: Using engine oil other than API CJ-4 or higher, ACEA E6, or JASO DH-2 may cause the diesel particulate filter to plug or cause engine damage.
g194204 g194203 g031256 Figure 71 g031400 Note: When using different oil, drain all old oil Figure 72 from the crankcase before adding new oil. 4. Crankcase Oil Capacity Approximately 5.2 L (5.5 US qt) with the filter. Changing the Engine Oil and Filter Service Interval: After the first 50 hours Every 250 hours 1. Start the engine and let it run 5 minutes to allow the oil to warm up. 2.
Servicing the Diesel-Oxidation Catalyst (DOC) and the Soot Filter Fuel System Maintenance Servicing the Fuel Filter Service Interval: Every 6,000 hours—Disassemble, clean, and assemble the soot filter of the DPF or clean the soot filter if engine faults SPN 3251 FMI 0, SPN 3720 FMI 0, or SPN 3720 FMI 16 display in the InfoCenter. Service Interval: Every 400 hours—Replace the fuel filter. 1. Clean the area around the fuel-filter head (Figure 74).
Servicing the Water Separator Servicing the Fuel System Draining the Fuel Tank Service Interval: Every 400 hours—Replace the fuel filter canister. Service Interval: Every 800 hours Before storage Before each use or daily—Drain water or other contaminants from the water separator. Drain and clean the fuel tank if the fuel system becomes contaminated or if you store the machine for an extended period. Use clean fuel to flush out the tank.
Electrical System Maintenance 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. • Charge the battery in an open, well-ventilated area, away from sparks and flames. Unplug the charger before connecting or disconnecting the battery. Wear protective clothing and use insulated tools.
Charging the Battery Drive System Maintenance WARNING Charging the battery produces gasses that can explode. Adjusting the Traction Drive for Neutral Do not smoke near the battery, and keep sparks and flames away from the battery. The machine must not creep when the traction pedal is released. If it does creep, adjust as follows: Important: Keep the battery fully charged. This 1. Clean the exterior of the battery case and the battery posts.
4. Turn the key in the ignition switch to the ON position, start the engine, and rotate the cam hex in either direction until the wheels cease rotation. Cooling System Maintenance 5. Tighten the locknut to secure the adjustment. 6. Turn the key in the ignition switch to the OFF position, remove the jack stands, and lower the machine to the shop floor. Cooling System Safety 7. • Swallowing engine coolant can cause Test drive the machine to make sure that it does not creep.
Note: The coolant level should be between the marks on the side of the tank. g021866 Figure 81 1. Expansion tank g004138 Figure 82 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. Rear screen latch 4. 2. Rear screen Thoroughly clean both sides of the radiator and oil cooler (Figure 83) with compressed air.
Brake Maintenance that the cable conduit does not rotate during tightening procedure. Adjusting the Parking Brakes Adjusting the Parking-Brake Latch Adjust the brakes when there is more than 2.5 cm (1 inch) of free travel (Figure 84) of the brake pedal, or when more holding force is required. Free travel is the distance the brake pedal moves before you feel braking resistance. If the parking brake fails to engage and latch, an adjustment to the brake pawl is required. 1.
Belt Maintenance Hydraulic System Maintenance Servicing the Alternator Belt Hydraulic System Safety • Ensure that all hydraulic-fluid hoses and Service Interval: After the first 10 hours lines are in good condition and all hydraulic connections and fittings are tight before applying pressure to the hydraulic system. Every 100 hours 1. 2. Proper tension allows 10 mm (3/8 inch) deflection when a force of 4.5 kg (10 lb) is applied on the belt midway between the pulleys.
High Viscosity Index/Low Pour Point Anti-wear Hydraulic Fluid, ISO VG 46 Material Properties: Viscosity, ASTM D445 cSt @ 40°C 44 to 50 cSt @ 100°C 7.9 to 8.5 Viscosity Index ASTM D2270 140 to 160 Pour Point, ASTM D97 -34°F to -49°F Industry Specifications: g194205 Vickers I-286-S (Quality Level), Vickers M-2950-S (Quality Level), Denison HF-0 Important: The ISO VG 46 Multigrade fluid has been found to offer optimal performance in a wide-range of temperature conditions.
Changing the Hydraulic Fluid 9. Check the level of the hydraulic fluid and add enough to raise level to the Full mark on the dipstick. Important: Do not overfill. Service Interval: Every 800 hours If fluid becomes contaminated, contact your authorized Toro distributor; the system must be flushed. Contaminated fluid looks milky or black when compared to clean fluid. 1. Turn the key in the ignition switch to the OFF position and raise the hood. 2.
Checking the Hydraulic Lines and Hoses Service Interval: Before each use or daily Make all necessary repairs before operating. g194208 WARNING Hydraulic fluid escaping under pressure can penetrate skin and cause injury. • Make sure 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.
Mounting the Cutting Decks to the Traction Unit Cutting Deck Maintenance Separating the Cutting Decks from the Traction Unit 1. 2. Position the machine on a level surface, lower the cutting decks to the floor, turn the key in the ignition switch to the OFF position, and engage the parking brake. Disconnect and remove the hydraulic motor from the deck (Figure 92). Cover the top of the spindle to prevent contamination. g011351 Figure 92 1. Motor-mounting screws 3.
Blade Maintenance Blade Safety DANGER A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. Trying to repair a damaged blade may result in discontinued safety certification of the product. g011353 Figure 94 • Inspect the blade periodically for wear or damage. 5. • Never try to straighten a blade that is bent or weld a broken or cracked blade.
Removing and Installing a Blade Replace the blade if a solid object is hit, the blade is out of balance, or if the blade is bent. Always use genuine Toro replacement blades to be sure of safety and optimum performance. Never use replacement blades made by other manufacturers because they could be dangerous. g031692 Figure 95 1. Height-of-cut bracket 1. Raise the cutting deck to the highest position, turn the key in the ignition switch to the OFF position, and engage the parking brake.
Inspecting and Sharpening the Blade 1. Raise the cutting deck to the highest position, turn the key in the ignition switch to the OFF position, and engage the parking brake. 2. Block the cutting deck to prevent it from falling accidentally. 3. Examine the cutting ends of the blade carefully, especially where the flat and curved parts of the blade meet (Figure 97). 6. If dull or nicked, sharpen only the top cutting edge while maintaining the original cutting angle (Figure 98).
Miscellaneous Maintenance Assembling the Front Roller Servicing the Front Roller Inspect the front roller for wear, excess wobble, or binding. Service or replace the roller or components if any of these conditions exist. Disassembling the Front Roller 1. Remove the roller-mounting bolt (Figure 99). 2. Insert a punch through the end of the roller housing and drive the opposite bearing out by alternating taps to the opposite side of inner bearing race. There should be a 1.5 mm (0.
Storage 7. Flush the fuel tank with fresh, clean diesel fuel. 8. Secure all fuel system fittings. Preparing the Machine for Storage 9. Thoroughly clean and service the air cleaner assembly. 10. Seal the air cleaner inlet and the exhaust outlet with weatherproof tape. Preparing the Traction Unit 11. Check the antifreeze protection and add as needed for expected minimum temperature in your area. 1. Thoroughly clean the traction unit, cutting decks, and engine. 2. Check the tire pressure.
Notes:
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The Toro Warranty A Two-Year Limited Warranty Conditions and Products Covered The Toro Company and its affiliate, Toro Warranty Company, pursuant to an agreement between them, jointly warrant your Toro Commercial product (“Product”) to be free from defects in materials or workmanship for two years or 1500 operational hours*, whichever occurs first. This warranty is applicable to all products with the exception of Aerators (refer to separate warranty statements for these products).
