Form No. 3434-308 Rev C Groundsmaster® 4500-D or 4700-D Rotary Mower Model No. Model No. Model No. Model No. Register at www.Toro.com. Original Instructions (EN) 30893—Serial No. 400000000 and Up 30893TE—Serial No. 400000000 and Up 30899—Serial No. 400000000 and Up 30899TE—Serial No.
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. Please refer to the engine manufacturer’s information included with the machine. g000502 Introduction Figure 2 1.
Contents Operating Tips ................................................. 39 After Operation .................................................... 40 General Safety ................................................. 40 Using the Cutting-Unit Storage Lanyard............ 40 Using the Transport Latches ............................. 41 Hauling the Machine ......................................... 41 Pushing or Towing the Machine ........................ 41 Locating the Tie-Down Points ...........................
Safety Hydraulic System Maintenance ........................... 64 Hydraulic System Safety................................... 64 Servicing the Hydraulic Fluid ............................ 65 Checking the Hydraulic Lines and Hoses............................................................ 68 Cutting Unit Maintenance ..................................... 68 Removing the Cutting Units .............................. 68 Installing the Cutting Units ................................
decal98-4387 98-4387 1. Warning—wear hearing protection. decal112-5297 112-5297 1. Warning—read the Operator's Manual; do not operate the machine unless you are trained. 2. Warning—read the Operator's Manual before towing the machine. 3. Tipping hazard— turn at low speeds; do not turn at high speeds; lower the cutting unit when driving down slopes; use a roll over protection system and wear the seatbelt. decal106-6754 106-6754 4.
decalbatterysymbols Battery Symbols Some or all of these symbols are on your battery. decal117-4764 117-4764 1. Explosion hazard 6. Keep bystanders away from the battery. 2. No fire, open flame, or smoking 7. Wear eye protection; explosive gases can cause blindness and other injuries. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection. 8. Battery acid can cause blindness or severe burns. 9. Flush eyes immediately with water and get medical help fast. 1.
decal121-3887 121-3887 1. Read the Operator’s Manual. decal120-8947 120-8947 1. Warning—read the Operator’s Manual. 4. If the roll bar is raised, wear the seat belt. decal127-3700 127-3700 For Groundsmaster 4700 Only 2. There is no rollover 5. If the roll bar is lowered, protection when the roll do not wear the seat belt. bar is down. 3. There is rollover protection 6. Drive slowly when turning. when the roll bar is up. 1. Raise the left cutting unit. 4. Set the cruise control. 2.
decal136-3185 136-3185 1. Headlights—Off 5. Low 2. Headlights—On 6. Lower the left cutting unit. 3. High/Low—Auto 7. Lower the center cutting unit. 8. Lower the right cutting unit. 4. Traction controls decal136-3338 136-3338 1. TEC—7.5 A 2. Power—10 A 6. Power seat—10 A 7. Engine—10 A 3. InfoCenter—2 A 4. Auxiliary power—10 A 8. TEC—2 A 9. Telematics—10 A 5. Work lights—10 A 8 10.
decal138-6978 138-6978 1. Read the Operator’s Manual. decal121-3627 121-3627 1.
Affix over Part No. 112-5297 for CE* for 4500 series machines decal127-6447 127-6447 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.
Affix over Part No. 112-5297 for CE* for 4700 series machines decal127-6448 127-6448 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.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description 1 2 3 4 5 Use Qty. Warning decal CE decal Production-year decal Hood-latch bracket Rivet Washer Screw (1/4 x 2 inches) Locknut (1/4 inch) 1 1 1 1 2 1 1 1 No parts required – Adjust the roller scraper (optional). No parts required – Install the mulching baffle (optional). No parts required – Prepare the machine. Replace the decals (CE machines only).
2 Installing the Hood Latch CE Machines Only Parts needed for this procedure: 1 Hood-latch bracket 2 Rivet 1 Washer 1 Screw (1/4 x 2 inches) 1 Locknut (1/4 inch) g012629 Figure 5 1. CE lock bracket Procedure 1. Unhook the hood latch from the hood-latch bracket. 2. Remove the 2 rivets securing the hood-latch bracket to the hood (Figure 4). 2. Bolt and nut 5. Align the washers with the holes on the inside of the hood. 6. Rivet the brackets and the washers to the hood (Figure 5). 7.
4 Installing the Mulching Baffle Optional g012631 Figure 7 1. Bolt 2. Nut No Parts Required 3. Arm of hood-latch bracket Procedure Contact your authorized Toro distributor for the correct mulching baffle. 3 Adjusting the Roller Scraper 1. Thoroughly clean debris from the mounting holes on the rear wall and left wall of the chamber. 2. Install the mulching baffle in the rear opening and secure it with 5 flange-head bolts (Figure 9).
5 Preparing the Machine No Parts Required Procedure 1. Park the machine on a level surface. 2. For Groundsmaster 4500 and 4700 machines, release the No. 4 and No. 5 cutting-unit cables (Figure 32). 3. For Groundsmaster 4700 machines, release the No. 6 and No. 7 cutting-unit latches (Figure 35). 4. Lower the cutting units. 5. Engage the parking brake. 6. Shut off the engine and remove the key. 7. Check the tire pressure before use; refer to Checking the Tire Pressure (page 23).
Tilt-Steering Pedal Product Overview To tilt the steering wheel toward you, press the foot pedal down, pull the steering tower toward you to the most comfortable position, and release the pedal (Figure 10). To move the steering wheel away from you, press the foot pedal and release it when the steering wheel reaches the desired operating position. Controls Key Switch The key switch (Figure 11) has 3 positions: OFF, ON/PREHEAT , and START . g009979 Figure 10 1. Brake pedal 4. Traction pedal 2.
Note: If you have the switch in the H/L AUTO position, you cannot lower the decks from the fully-raised position unless the traction pedal is in neutral and the machine is stopped. Cruise-Control Switch The cruise-control switch locks in the cruise control to maintain the desired ground speed (Figure 12). Pressing the rear of the switch turns off the cruise control, the middle position of the switch enables the cruise-control function, and the front of the switch sets the desired ground speed.
Armrest Adjustment Knob Rotate the knob to adjust the armrest angle (Figure 14). Seat-Back Adjustment Lever Move the lever to adjust the seat-back angle (Figure 14). Weight Gauge The weight gauge indicates when the seat is adjusted to the operator’s weight (Figure 14). Adjust the height by positioning the suspension within the range of the green region. Weight Adjustment Lever Use this lever to adjust the seat to your weight (Figure 14).
Specifications g198614 Figure 15 1. Cutting unit 1 3. Cutting unit 3 5. Cutting unit 5 2. Cutting unit 2 4. Cutting unit 4 6. Cutting unit 6 (4700 only) 19 7.
Machine Specifications Specifications Table Description 4500-D Figure 15 reference 4700-D Figure 15 reference Width of cut 280 cm (110 inches) D 380 cm (150 inches) F Cutting units down 286 cm (113 inches) E 391 cm (154 inches) G Cutting units up (transport) 224 cm (88 inches) A 224 cm (88 inches) A Front 224 cm (88 inches) B 224 cm (88 inches) B Rear 141 cm (56 inches) M 141 cm (56 inches) M 226 cm (88.8 inches) C 226 cm (88.
Checking the Engine-Oil Level Operation Note: Determine the left and right sides of the machine from the normal operating position. 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 50). Before Operation Checking the Cooling System Before Operation Safety General Safety Before you start the engine and use the machine, check the cooling system; refer to Checking the Cooling System (page 61).
• Monitor seals, hoses, gaskets in contact with fuel • Never keep fuel in containers with zinc plating on as they may degrade over time. the inside. • Fuel filter plugging may occur for a time after you • Do not use fuel additives. convert to biodiesel blends. Petroleum Diesel • For more information on biodiesel, contact your authorized Toro distributor. Cetane rating: 45 or higher Sulfur content: Low sulfur (<500 ppm) Adding Fuel Fuel Table Diesel fuel specification Location ASTM D975 No.
Checking the Tire Pressure Service Interval: Before each use or daily The correct air pressure in the tires is 138 kPa (20 psi). Important: Maintain the recommended pressure in all tires to ensure a good quality of cut and proper machine performance. Do not under-inflate the tires. Check the air pressure in all the tires before operating the machine. g033359 Figure 19 Rear Wheels WARNING Failing to maintain proper torque of the wheel lug nuts could result in personal injury.
CAUTION If safety interlock switches are disconnected or damaged, the machine could operate unexpectedly, causing personal injury. • Do not tamper with the interlock switches. • Check the operation of the interlock switches daily and replace any damaged switches before operating the machine. The interlock switches are designed to shut off the machine when you rise from the seat when the traction pedal is pressed.
Selecting a Blade Standard Combination Sail This blade was designed to provide excellent lift and dispersion in almost any condition. If more or less lift and discharge velocity is required, consider a different blade. Attributes: Excellent lift and dispersion in most conditions Angled Sail (Not CE Compliant) The blade generally performs best in lower heights of cut—1.9 to 6.4 cm (3/4 to 2-1/2 inches). Attributes: • Discharge remains more even at lower heights of cut.
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.
Using the InfoCenter LCD Display InfoCenter Icon Description SERVICE DUE The InfoCenter LCD display shows information about your machine, such as the operating status, various diagnostics and other information about the machine (Figure 22). There is a splash screen and main information screen of the InfoCenter. You can switch between the splash screen and main information screen at any time by pressing any of the InfoCenter buttons and then selecting the appropriate directional arrow.
InfoCenter Icon Description (cont'd.) InfoCenter Icon Description (cont'd.) Engine Engine start is denied Key switch Engine shutdown Cutting units are lowering Engine coolant is too hot Cutting units are raising Hydraulic fluid is too hot PIN code Sit down or engage parking brake Hydraulic fluid temperature Accessible only by entering PIN CAN bus Using the Menus InfoCenter To access the InfoCenter menu system, press the menu access button while at the main screen.
Service Menu Item Description Hours Lists the total number of hours that the machine, engine, and fan have been on, as well as the number of hours the machine has been transported and overheated Counts Counterbalance Controls the amount of counterbalance applied by the cutting units Turnaround Turns Turnaround on and off *Only operator-faced text is translated. Faults, Service, and Diagnostics screens are service-faced. Titles are in the selected language, but menu items are in English.
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 PIN code, use the right button to change the Protect Settings to OFF. 3. To view and change the settings with a PIN code, use the left button to select ON, set the PIN code, and turn the key to the OFF position and then to the ON position.
Turning the Smart Power ON/OFF 1. In the settings menu, scroll down to Smart Power. 2. Press the right button to switch between ON and OFF. 3. Press the left button to exit. During Operation During Operation Safety General Safety • The owner/operator can prevent and is responsible Setting the Counterbalance 1. In the Settings Menu, scroll down to Counterbalance. 2. Press the right button to select counterbalance and change between the LOW, MEDIUM, and HIGH settings.
• Lower a folding roll bar temporarily only when • Before you leave the operator’s position, do the following: – Park the machine on a level surface. • – Disengage the power takeoff and lower the attachments. • – Engage the parking brake. – Shut off the engine and remove the key. – Wait for all movement to stop. necessary. Do not wear the seat belt when the roll bar is folded down. Be aware that there is no rollover protection when a folded roll bar is in the down position.
Understanding the Operating Characteristics of the Machine operate in low speed range. This setting is preferable for operation in a shop area, loading or unloading from a trailer, climbing steep inclines, or any other operation where the higher traction speeds of the high speed range is not desired. • This machine has an automotive-style throttle that • If an obstacle is in the way, lift the cutting units to is controlled by the traction pedal. mow around it.
Using the High and Low Speed Range Switch This machine is equipped with 2 traction speed ranges; low and high. The speed range switch allows you to select the following positions (Figure 25): • High/Low Auto range: Selecting the H/L AUTO position allows the machine to automatically select between the low and high speed ranges. The H/L AUTO position is comparable to selecting D (drive) in your car with an automatic transmission.
is limited from 0 to 75% and matched to the full stroke of the traction pedal. This setting increases the traction pedal resolution, resulting in improved control. How far you move the traction pedal changes how much the machine's speed changes. Using the Brake Pedals Important: In emergency braking situations, remove your foot from the traction pedal and then press the brake pedals. g321522 Figure 26 1.
Adjusting the Cruise Control Speed Operating the Cruise Control After the cruise control switch is enabled on the console Figure 29, use the InfoCenter to adjust the speed setting of the cruise control (Figure 30). Setting the Cruise Control The cruise-control switch locks in the cruise control to maintain the desired ground speed.
Understanding the Acceleration Mode appearance and traction capability in most turf conditions. Decreasing the counterbalance setting can produce a more stable cutting unit but can decrease the traction capability. Increasing the counterbalance setting can increase the traction capability, but may result in a poor after-cut appearance; refer to Accessing Protected Menus (page 29).
When the temperature is less than -7°C (20°F), the starter motor can be run for 30 seconds on then 60 seconds off for 2 attempts. 7. Pull the PTO switch to engage the cutting units. Note: The engine speed automatically rises to high idle when you lower the cutting units and activate the PTO switch. Important: Shut off the engine and allow the engine to cool before you check for oil leaks, loose parts, or other malfunctions. 8.
when you maintain turf on a regular schedule to avoid removing more than 25 mm (1 inch) of growth per cutting. When you cut too much growth with the mulching baffles installed, the after-cut appearance may deteriorate and the observed power to cut the turf increases. The mulching baffles also perform well for shredding leaves in the fall. Selecting the Proper Height-of-Cut Setting to Suit Conditions g036843 Remove no more than approximately 25 mm (1 inch), or 1/3 of the grass blade when cutting.
Securing the Cutting Units After Operation 1. Ensure that the PTO is disengaged. General Safety 2. Park the machine on a level surface. • Shut off the engine, remove the key, and wait 3. Engage the parking brake. 4. Fully raise the cutting units. 5. Align the lanyard to the carrier shaft of the lift arm for the forward outer-cutting unit (Figure 33). • • • • • • for all movement to stop before you leave the operator’s position.
4. With the cutting units lowered, slip the loop of the lanyard into the slot in the reinforcement plate of the roller support (Figure 34). g225485 Figure 34 1. Reinforcement-plate slot (roller support) g038610 2. Lanyard loop Figure 35 Using the Transport Latches Hauling the Machine Groundsmaster 4700 Only • Use the 2 rear-transport latches for the No. 6 and 7 cutting units (Figure 15) when moving the machine over long distances, rough terrain, when transporting, or storing the machine.
2. Locating the Tie-Down Points Rotate each valve 3 turns counter-clockwise to open and allow the fluid to bypass internally. Note: Do not open the valve more than 3 turns. Because fluid is bypassed, you can move the machine slowly without damaging the transmission. Note: Use properly-rated DOT-approved straps in 4 corners to tie down the machine. • On each side of the frame by the operator’s platform (Figure 38) • On the rear bumper (Figure 38) g036666 g036664 Figure 37 g020510 Figure 36 1.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Important: Refer to your engine owner’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.
Maintenance Service Interval Maintenance Procedure Every 200 hours • Torque the wheel lug nuts. Every 250 hours • Change the engine oil and filter. Every 400 hours • Service the air cleaner (earlier if the air-cleaner indicator shows red, and more frequently in extremely dirty or dusty conditions). • Inspect the fuel lines and connections. • Replace the fuel-filter canister. • Replace the engine fuel filter. • Check for end-play in the planetary drives.
For the week of: Maintenance Check Item Monday Tuesday Wednesday Thursday Friday Saturday Check for unusual operating noises. Check the hydraulic-fluid level. Check the hydraulic hoses for damage. Check for fluid leaks. Check the fuel level. Check the tire pressure. Check the instrument operation. Check the height-of-cut adjustment. Lubricate all the grease fittings.2 Clean the machine. Touch up any damaged paint.
Pre-Maintenance Procedures Lifting the Machine Use the following as points to lift the machine: Front of the machine—at the frame of the machine, forward of the wheel-drive motors (Figure 39) Important: Do not support the machine at the wheel-drive motors. Keep the lifting equipment clear of hydraulic tubing and hoses. g036671 Figure 40 Opening the Hood Tilt the hood to access the chassis as shown in Figure 41.
Lubrication Accessing the Hydraulic Lift Compartment Greasing the Bearings and Bushings Tilt the seat to access the hydraulic lift compartment as shown in Figure 42. Service Interval: Every 50 hours (also after every washing). Grease specification: No.
• Cutting-unit spindle-shaft bearings (2 per cutting • Steering-cylinder ball joints (2) as shown in Figure unit) as shown in Figure 47 45 Note: You can use either fitting, whichever is more accessible. Pump grease into the fitting until a small amount appears at the bottom of the spindle housing (under the cutting unit). g009708 Figure 47 g009706 Figure 45 1.
Engine Maintenance Engine Safety • Shut off the engine and remove the key before checking the oil or adding oil to the crankcase. g198631 • Do not change the governor speed or overspeed the engine. Servicing the Air Cleaner Service Interval: Every 400 hours Check the air-cleaner body for damage which could cause an air leak. Replace it if it is damaged. Check the whole intake system for leaks, damage, or loose hose clamps.
If the engine oil level is above the Full mark, change the engine oil. The best time to check the engine oil is when the engine is cool before it has been started for the day. If it has already been run, allow the oil to drain back down to the sump for at least 10 minutes before checking. If the oil level is at or below the Add mark on the dipstick, add oil to bring the oil level to the Full mark. Do not overfill the engine with oil.
Crankcase Oil Capacity Fuel System Maintenance Approximately 5.7 L (6 US qt) with the filter. Changing the Engine Oil and Filter DANGER Service Interval: Every 250 hours 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 can cause property damage. Note: To reset the service due indicator in the Infocenter; refer to Setting the Service Due Timer (page 31). 1.
Replacing the Fuel-Filter Canister Servicing the Fuel-Water Separator Service Interval: Every 400 hours—Replace the fuel-filter canister. Replace the fuel-filter canister as shown in Figure 56. g198661 Figure 54 Draining Water from the Fuel/Water Separator Service Interval: Before each use or daily—Drain water or other contaminants from the fuel filter/water separator Drain water from the fuel/water separator as shown in (Figure 55).
Servicing the Fuel Filter Cleaning the Fuel-Pickup Tube Screen Service Interval: Every 400 hours 1. Clean the area around the fuel-filter head (Figure 57). 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 the screen as required. 1. Remove the hose clamp that secures the fuel supply hose to the fitting of the fuel-pickup tube (Figure 58). g028799 Figure 57 1. Fuel-filter head 2.
Priming the Fuel System Electrical System Maintenance Prime the fuel system before starting the engine for the first time, after running out of fuel, or after fuel system maintenance (e.g., draining the filter/water separator, replacing a fuel hose). Electrical System Safety To prime the fuel system, perform the following steps: 1. Ensure that fuel is in the fuel tank. 2. Perform the following steps to prime the filter and the lines to the high pressure pump to prevent wear or damage to the pump: A.
2. Remove the rubber boot from the positive terminal and inspect the battery. 3. Remove the negative cable (black) from the negative (-) terminal and the positive cable (red) from the positive (+) terminal of the battery (Figure 59). WARNING Incorrect battery cable routing could damage the machine and cables, causing sparks. Sparks can cause the battery gasses to explode, resulting in personal injury. • Always disconnect the negative (black) battery cable before disconnecting the positive (red) cable.
Locating the Fuses The fuse block for the machine is located in the right storage box g010255 Figure 62 1. Fuses decal136-3338 3. Figure 60 1. Loosen the latch for the cover of the right storage box and raise the cover (Figure 61) to expose the fuse block (Figure 62). g009985 Figure 61 1. Latch 2. 2. Right storage box Replace the open fuse(s) as needed (Figure 62). 56 Close the cover of the right storage box and secure the cover with the latch (Figure 61).
Drive System Maintenance g028798 Figure 64 1. Front drive wheels 4. Repeat step 3 for the other drive wheel. 5. If either wheel moves, contact your authorized Toro distributor to have the planetary drive rebuilt. g225611 Figure 63 Checking the Planetary Gear-Drive Lubricant Checking for End-Play in the Planetary Drives Service Interval: Every 400 hours (check if you notice external leakage).
The oil level should be at the bottom of the check-plug hole. g225609 Figure 67 g225606 Figure 66 1. Check-plug hole 2. Check plug 1. Drain-plug hole 3. Check plug 2. Fill plug 4. Drain plug 3. If the oil level is low, remove the fill plug at the 12 o’clock position and add oil until it begins to flow out of the hole at the 3 o’clock position. 3. Place a drain pan under the planetary hub, remove the drain plug at the 6 o’clock position, and allow the oil to fully drain (Figure 67). 4.
Filling the Planetary-Gear-Drive with Lubricant 1. Checking the Rear Axle and Gearbox for Leaks Through the fill-plug hole, slowly fill the planetary with 0.65 L (22 fl oz) of high quality SAE 85W-140 wt gear lube. Service Interval: Before each use or daily Visually inspect the rear axle and rear-axle gearbox for leaks. Important: If the planetary fills before the 0.
lube or until the lubricant is up to the bottom of the hole. 7. Install the check plug. Checking the Rear-Axle-Gearbox Lubricant Service Interval: Every 400 hours g009716 The gear box is filled with SAE 85W-140 gear lube. The capacity is 0.5 L (16 fl oz). Visually inspect for leaks daily. Figure 72 2. Fill plug 1. Check plug Changing the Rear-Axle Lubricant 1. Park the machine on a level surface, engage the parking brake, lower the cutting units, shut off the engine, and remove the key. 2.
Cooling System Maintenance Note: The front measurement must be 3 mm (1/8 inch) less than the rear measurement. Cooling System Safety • Swallowing engine coolant can cause poisoning; keep out of reach from children and pets. • Discharge of hot, pressurized coolant or touching a hot radiator and surrounding parts can cause severe burns. – Always allow the engine to cool at least 15 minutes before removing the radiator cap. g009169 Figure 75 1. Front of the machine 2.
Cleaning the Cooling System Service Interval: Before each use or daily—Remove debris from the engine area, oil cooler, and radiator (clean them more frequently in dirty conditions). This machine is equipped with a hydraulically driven fan drive system that automatically (or manually) reverses to reduce oil cooler/radiator and screen debris buildup. While this feature can help reduce the time required to clean oil cooler/radiator, it does not eliminate the need for routine cleaning.
Brake Maintenance Adjusting the Service Brakes Adjust the service brakes when there is more than 25 mm (1 inch) of free travel of the brake pedal, or when the brakes do not work effectively. Free travel is the distance the brake pedal moves before you feel braking resistance. g020509 Figure 79 1. Park the machine on a level surface, engage the parking brake, lower the cutting units, shut off the engine, and remove the key. 2.
Belt Maintenance Hydraulic System Maintenance Servicing the Alternator Belt Hydraulic System Safety • Seek immediate medical attention if fluid is injected Service Interval: Every 100 hours into skin. Injected fluid must be surgically removed within a few hours by a doctor. Proper tension of the belt allows 10 mm (3/8 inch) of deflection when a force of 4.5 kg (10 lb) is applied on the belt midway between the pulleys.
Servicing the Hydraulic Fluid Hydraulic Fluid Specifications compatible with conventional mineral oils, but for maximum biodegradability and performance, the hydraulic system should be thoroughly flushed of conventional fluid. The oil is available in 19 L (5 US gallon) pails or 208 L (55 US gallon) drums from your authorized Toro distributor. The reservoir is filled at the factory with high-quality hydraulic fluid.
If the fluid becomes contaminated, contact your authorized Toro distributor, because the system must be flushed. Contaminated fluid looks milky or black when compared to clean oil. 1. Park the machine on a level surface, engage the parking brake, lower the cutting units, shut off the engine, and remove the key. 2. Raise the hood. 3. Disconnect the case return line from the bottom of the reservoir and let the hydraulic fluid flow into a large drain pan. 4.
g201858 Figure 83 2. Replace the charge hydraulic filter at the hydraulic lift compartment as shown in Figure 84. g036709 g031621 Figure 84 67 3. Lower and secure the operator’s seat. 4. Replace the return filter at the right side of the machine (Figure 84). 5. Start the engine and let it run for about 2 minutes to purge air from the system. Shut off the engine and check for leaks.
Checking the Hydraulic Lines and Hoses Cutting Unit Maintenance Removing the Cutting Units Service Interval: Before each use or daily Every 2 years Inspect the hydraulic lines and hoses daily for leaks, kinked lines, loose mounting supports, wear, loose fittings, weather deterioration, and chemical deterioration. Make all necessary repairs before operating the machine. 1. Park the machine on a level surface, engage the parking brake, lower the cutting units, shut off the engine, and remove the key. 2.
Assembling the Front Roller Installing the Cutting Units 1. Press the first bearing into the roller housing (Figure 87). Press on the outer race only or equally on the inner and outer race. 2. Insert the spacer (Figure 87). 3. Install the hydraulic motor to the cutting unit (Figure 85). Make sure that the O-ring is in position and not damaged. Press the second bearing into the roller housing (Figure 87). Pressing equally on the inner and outer race until the inner race contacts the spacer. 4.
Blade Maintenance 6. Blade Safety • Inspect the blade periodically for wear or damage. • Use care when checking the blades. Wrap the Compare the 12 o’clock measured height to the height-of-cut setting. It should be within 0.7 mm (0.030 inch). The 3 and 9 o’clock heights should be 1.6 to 6.0 mm (0.060 to 0.240 inch) higher than the 12 o’clock setting and within 2.2 mm (0.090 inch) of each other. If any of these measurements are not within specification, proceed to Adjusting the Blade Plane (page 70).
Inspecting and Sharpening the Cutting Unit Blade(s) side. Adjust the other side to within ± 2.2 mm (0.090 inch) of the correct side. 7. Adjust the right and/or left height-of-cut brackets by repeating steps 1 through 4. 8. Secure the carriage bolts and flange nuts. 9. Verify the 12, 3, and 9 o’clock heights. Both cutting edges and the sail, which is the turned-up portion opposite of the cutting edge, contribute to a good quality of cut.
Note: Remove the blades and sharpen them on a grinder. After sharpening the cutting edges, install the blade with the anti-scalp cup and blade bolt; refer to Removing and Installing the Cutting-Unit Blade(s) (page 71). 4. g004653 Figure 91 1. Cutting edge 3. Wear/slot forming 2. Curved area 4. Crack 3. Examine the cutting edges of all of the blades and sharpen the cutting edges if they are dull or nicked (Figure 92).
Storage 2. Remove and discard the oil filter. Install a new oil filter. Storage Safety 3. Refill the oil pan with designated quantity of motor oil. • Shut off the engine, remove the key, and wait 4. Turn the key in the switch to the ON position, start the engine, and run it at idle speed for approximately 2 minutes. 5. Turn the key in the switch to the OFF position. 6. Thoroughly drain all fuel from the fuel tank, lines, and the fuel filter/water separator assembly. 7.
Notes:
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The Toro Warranty Two-Year or 1,500 Hours Limited Warranty Conditions and Products Covered Parts 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 2 years or 1,500 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).
