Form No. 3368-691 Rev A Groundsmaster® 5900 and 5910 Rotary Mower Model No. 31598—Serial No. 310000001 and Up Model No. 31599—Serial No. 310000001 and Up To register your product or download an Operator's Manual or Parts Catalog at no charge, go to www.Toro.com.
This product complies with all relevant European directives, for details please see the separate product specific Declaration of Conformity (DOC) sheet. on the product. Write the numbers in the space provided. WARNING CALIFORNIA Proposition 65 Warning 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 Inner Wing Deck Covers .................................... 42 Lubrication............................................................. 43 Greasing the Bearings and Bushings.................... 43 Engine Maintenance............................................... 45 Air Cleaner Maintenance .................................... 45 Servicing the Engine Oil ..................................... 46 Adjusting the Valve Clearance............................. 47 Fuel System Maintenance ....................
Safety Correcting the Cutting Unit Mismatch ................ 66 Miscellaneous Maintenance .................................... 67 Servicing the Spark Arrestor Muffler................... 67 Cleaning the Cab Air Filters ................................ 67 Cleaning the Air Conditioning Coil ..................... 68 Cleaning the A/C Condenser Screen ................... 68 Storage....................................................................... 69 Preparing for Seasonal Storage............................
Preparation • While mowing, always wear substantial footwear, long trousers, hard hat, safety glasses, and ear protection. Long hair, loose clothing or jewelry may get tangled in moving parts. Do not operate the equipment when barefoot or wearing open sandals. • Thoroughly inspect the area where the equipment is to be used and remove all objects which may be thrown by the machine. • Warning–fuel is highly flammable.
• Stop the engine and disengage drive to attachment: – before refuelling; – before making height adjustment unless adjustment can be made from the operators position. • Reduce the throttle setting before stopping engine and, if the engine is provided with a fuel shut-off valve, turn the fuel off at the conclusion of mowing. • Never raise deck with the blades running. • Keep hands and feet away from the cutting units. • Look behind and down before backing up to be sure of a clear path.
Operation • Before operating the machine be certain that the seat belts are attached. • For operating environments exceeding 110 degrees F (43 degrees C), consult Toro for special machine needs. • Know how to stop the machine and engine quickly. • Do not operate the engine below 1350 rpm. • Do not operate the machine while wearing tennis shoes or sneakers. Maintenance and Storage • Do not touch equipment or attachment parts which may be hot from operation.
Sound Power Level This unit has a guaranteed sound power level of 105 dBA, which includes an Uncertainty Value (K) of 1 dBA. Sound power level was determined according to the procedures outlined in EN 11094. Sound Pressure Level Model 31598 This unit has a sound pressure level at the operator’s ear of 92 dBA, which includes an Uncertainty Value (K) of 1 dBA. Sound pressure level was determined according to the procedures outlined in EN 836.
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. 114-0846 1. Read the Operators Manual; to start the engine, move the traction pedal to Neutral, apply the brake, move the throttle switch to low, turn the ignition key to Preheat. When the Wait to Start Advisory clears on the Info Center then turn the ignition key to Start. 2.
114-0844 1. Left hand turn signal 2. Right hand turn signal 3. Read the Operators Manual. 114-0848 4. To lock the brakes, close latch, press the brake pedal and pull up on the parking brake knob. 5. To unlock the parking brake, press the brake. 6. Parking brake 1. 2. 3. 4. High range Transmission Low range High idle 5. Mid idle 114-0847 1. Read the Operator’s Manual. 10 6. 7. 8. 9. Low idle Increase engine speed Engine Read the Operator’s Manual. 10.
0-6007 1. Read the Operator’s manual for fuse information. 114-0133 1. 2. 3. 4. Headlights On Off Headlight switch location 5. Cruise control—engage 6. Cruise control—disengage 7. 8. 9. 10. Flow divider—engage Flow divider—disengage Lower cutting units—left Lower cutting units—center 11. Lower cutting units—right 114-0163 1. Read the Operator’s Manual for information on fuses. 2. Cab, 60A fuse 3. Controllers, 60A fuse 4. Main power, 60A fuse 93-7818 115-5459 1.
114-0975 1. Height-of-cut 114-0922 114-4883 114-0922 1. Belt routing 1. Belt routing 106-6753 114-0974 1. Thrown object hazard—keep bystanders a safe distance from the machine. 2. Cutting/dismemberment hazard of hand or foot, mower blade—stay away from moving parts. 1.
117–2754 1. 2. 3. 4. 5. 6. 7. 8. Warning—read the Operator’s Manual. Warning—do not operate this machine unless you are trained. Warning—wear the seat belt when seated in the operator’s position. Warning—wear hearing protection. Thrown object hazard—keep bystanders a safe distance from the machine. Cutting hazard of hand or foot—stay away from moving parts; keep all guards in place.
115-5489 (Model 31599 only) 1. Warning—when the cab windows are open wear hearing protection. 2. Close the rear window before attempting to open the hood. 114-0865 1. Height of cut adjustment Battery Symbols Some or all of these symbols are on your battery 114-9600 1. Read the Operator’s Manual. 1. Explosion hazard 2. No fire, open flame, or smoking. 3. Caustic liquid/chemical burn hazard 4. Wear eye protection 117–2718 5. Read the Operator’s Manual. 115-5509 (Model 31599 only) 14 6.
Setup Loose Parts Use the chart below to verify that all parts have been shipped. Procedure Description Qty. Use 1 No parts required – Remove the side deck straps and brace 2 Deck cover R.H. Deck cover L.H. V-Belt 1 1 2 Lower the front deck winglets No parts required – Level the front center deck No parts required – Level winglet decks to front center deck No parts required – Check the Tire Pressure No parts required – Check Fluid Levels No parts required – Grease the machine.
1 Remove Side Deck Shipping Strap and Brace No Parts Required Procedure Remove the strap and brace securing the side decks for shipping. 2 Figure 3 Lower Front Deck Winglets 1. Winglet 2. Hinge pin 3. Stop bolt Parts needed for this procedure: 1 Deck cover R.H. 1 Deck cover L.H. 2 V-Belt 4. Eccentric 5. Upper hole 6. Deck mounts 4. Install the front and rear stop bolts through the upper mounting holes and eccentrics. Make sure the stop bolt engages the tab on the hinge pin. 5.
7. Install the winglet belts as follows: 3 • Start the belt around the winglet spindle pulley and the front deck spindle pulley (Figure 5). • Using a ratchet wrench or similar tool, move the idler pulley away from the pulleys (Figure 5). Level Front Center Deck • Route the belt around the winglet spindle pulley and the upper spindle pulley on the front deck. No Parts Required • Release the idler pulley to put tension on the belt. Procedure Refer to Adjusting the Height-of-Cut in Operation. 1.
• Tighten the bolt and nut for this eccentric to 110 ft-lb (149 N-m). • Repeat the procedure on the opposite winglet. Refer to Adjusting the Cutting Unit Pitch procedure in Mower Maintenance. 5 Checking Tire Pressure No Parts Required Procedure Check the air pressure in all the tires before operating the machine. The correct air pressure in the front tires is 50 psi (345 kPa) and the rear tires is 30 psi (207 kPa) (Figure 9). Figure 7 1. Winglet 2. Hinge pin 3. Stop bolt 4. Eccentric 5.
Product Overview 2. Check the hydraulic fluid level before starting the engine, refer to Checking the Hydraulic Fluid Level in Hydraulic System Maintenance. Controls 3. Check the cooling system before starting the engine; refer to Checking the Cooling System in Cooling System Maintenance. Note: Determine the left and right sides of the machine from the normal operating position.
Lift Switches traveling at a very slow speed, less than 2 mph, to shift to Hi or Lo. The lift switches (Figure 11) raise and lower the cutting units. Press the switches forward to lower the cutting unit and backward to raise the cutting units. Horn Button Note: The decks will not lower while in the Hi speed range. and the decks will not raise or lower if the operator is out of the seat when the engine is running. Press the horn button (Figure 10) to activate the horn.
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. Note: Pressing either brake pedal or moving the traction pedal into the reverse position, for one second, will also disengage the cruise control. Light Switch Press the lower edge of the switch (Figure 11) to turn on the lights. Press the upper edge of the switch to turn off the lights. Audible Alarm (Console) The alarm is activated when a fault is detected.
Cab Controls Model 31599 only Wind Shield Wiper Switch Press front of switch to activate the wind shield wipers (Figure 13) and rear of switch to turn off the wipers. Air Conditioning Switch Press front of switch to activate the air conditioning (Figure 13) and rear of switch to turn off the air conditioning. Figure 14 1. Wind shield latch Fan Control Rotate the fan control knob to regulate the speed of the fan (Figure 13).
Info Center 4. Cruise Control Engaged 5. H/L (Hi/Low speed range) Screen Functions Bottom Left Corner-Air Intake Heater Active • Press the corresponding button to view screen 1 or screen 2, to stop audible alarm, to view fault screen or to exit (Figure 15). Bottom Middle-Traction Assist Engaged Bottom Right-Machine Hours • If a fault appears on the screen, press any key to view the active fault advisory. Contact your supervisor or mechanic to relay fault advisory and determine course of action.
Figure 16 1. Engine coolant 6. temperature indicator 2. Fuel indicator 7. 3. PTO indicator 8. 4. Air intake heater indicator 9. 5. Parking brake indicator 10. Figure 17 Fan reverse indicator 1. Tachometer 2. Hydraulic oil temperature Traction assist indicator Cruise control indicator Machine hours indicator H / L (Hi / Low) indicator 3. Battery voltage 4. Service due Tachometer H / L (Hi/Low Range) Indicator This display shows the engine operating speed in RPM (Figure 17).
Alarm (InfoCenter) Advisories The InfoCenter’s alarm sounds when: Advisories provide the operator additional information to operate certain functions on the machine (Figure 19).
Fuel Level For Traction Assist Add fuel 1. Must be in low range 2. Operator must be seated To Engage PTO 1. 2. 3. 4. 5. 6. Solve engine fault Let engine warm up Let hydraulic oil warm Lower decks Must be in low range Operator must be seated Traction Derate Due To 1. Requires service 2. Engine or hydraulics too hot 3. Traction pedal sensor needs calibration 4. Reserved 1 5. Reserved 2 To Set High Range 1. 2. 3. 4. 5. 6. 6.
Specifications Note: Specifications and design are subject to change without notice.
Operation WARNING Fuel is harmful or fatal if swallowed. Long-term exposure to vapors can cause serious injury and illness. Note: Determine the left and right sides of the machine from the normal operating position. • Avoid prolonged breathing of vapors. CAUTION • Keep face away from nozzle and gas tank or conditioner opening. This machine produces sound levels in excess of 85 dBA at the operators ear and can cause hearing loss through extended periods of exposure.
Important: Maintain pressure in all tires to ensure a good quality-of-cut and proper machine performance. Do not under-inflate. Check the air pressure in all the tires before operating the machine. or container opening at all times until fueling is complete. DANGER 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. • Fill the fuel tank outdoors, in an open area, when the engine is cold.
2. Position the castor wheel axles in the same holes in all castor forks. Refer to the chart (Figure 22) to determine the correct holes for the setting. Figure 23 1. Tensioning cap 2. Spacers (4) 3. Shims (2 top & 2 bottom Figure 22 1. Castor arm height of cut mounting holes 2. Castor fork height of cut mounting holes 3. Castor fork height of cut spacers 4. Top axle mounting hole 5. Castor wheel 5.
6. Mount the height-of-cut chains to the desired height-of-cut hole (Figure 25) with the clevis pin and hairpin cotter. to determine the correct holes for the height of cut setting. Figure 27 Figure 25 Note: When operating at 2-1/2 inch (64 mm) height of cut or higher, the axle bolt should be installed in the bottom castor fork hole to prevent grass buildup between the wheel and the fork.
Adjusting the Roller spacers onto the shaft. Install the tensioning cap to secure the assembly. 1. Remove the screw and nut securing the roller shaft to the deck bracket (Figure 30). Adjusting the Skids The skids should be mounted in the lower position when operating at heights of cut greater than 2-1/2 inches (64 mm) and in the higher position when operating at heights of cut lower than 2-1/2 inches (64 mm).
Checking the Mismatch Between Cutting Units compare. These numbers should be within 1/8 inch (3 mm) of each other. Make no adjustment at this time. Due to differences in grass conditions and the counterbalance setting of the traction unit, it is advised that grass be cut and appearance checked before formal cutting is started. 2. Position blade side to side on inside spindle of side cutting unit and corresponding outside spindle of front cutting unit.
Figure 34 1. Side view mirrors 2. Rear view mirror Figure 32 1. Tensioning cap 4. Top axle mounting hole 2. Spacers (4) 5. Castor wheel 3. Shims (2 top and 2 bottom) 3. Lever Aiming the Headlights 1. Loosen the mounting nuts and position each headlight so that it points straight ahead. Tighten the mounting nut just enough to hold the headlight in position. 2. Place a flat piece of sheet metal over the face of the headlight. 3. Mount a magnetic protractor onto the plate.
procedures, wait 2 minutes, and repeat the starting procedure. function. If the traction drive still functions there is a malfunction in the interlock system that should be corrected before beginning operation. When the temperature is below 20°F (-75°C), let the machine warm up for a minimum of 10 minutes. Pushing or Towing the Machine 5. To stop the engine, set the throttle switch to low idle, move the PTO switch to the Off position, set the parking brake, and rotate the ignition key to Off.
Jacking Points 3. Thread each valve bypass stem in six turns and tighten the jam nuts. • On the front of the machine on the frame on the inside of each drive tire (Figure 37). 4. To disengage the tow valves, loosen the jam nuts, thread the bypass stems all the way out and tighten the jam nuts. 5. Make sure to close the bypass valves before starting the engine. However, do not exceed 5 to 8 ft-lb (7 to 11 N⋅m) torque to close the valves.
Tie Downs Operating Characteristics • Under the front of the operator’s platform (2 places) (Figure 39). Practice driving the machine because it has a hydrostatic transmission and its characteristics are different than many turf maintenance machines. Some points to consider when operating the traction unit, cutting unit, or other implements are the transmission, engine speed, load on the cutting blades or other implement components, and the importance of the brakes.
WARNING G010392 This product is designed to drive objects into the ground where they lose energy quickly in grass areas. However, careless operation, combined with terrain angle, ricochets, or improperly positioned safety guard can lead to thrown object injuries. • When a person or pet appears suddenly in or near the mowing area, stop mowing. • Do not resume mowing until the area is cleared. Before stopping the engine, disengage all controls and move the throttle to the slowest position.
Operating Tips Select the Proper Height-of-Cut Setting to Suit Conditions Remove approximately 1 inch (25 mm) or no more than 1/3 of the grass blade when cutting. In exceptionally lush and dense grass, you may have to raise the height-of-cut to the next setting. Figure 44 1. Transport latch After Operating To ensure optimum performance, clean the underside of the mower housing after each use. If residue is allowed to build up in the mower housing, cutting performance will decrease.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 10 hours • • • • After the first 250 hours • Adjust the valve clearance • Change the front planetary gear oil. Before each use or daily • • • • • • • • Torque the wheel lug nuts. Check the alternator belt tension. Check the compressor belt tension.
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 do any maintenance.
Premaintenance Procedures Inner Wing Deck Covers Removal 1. Lower the wing deck onto a level surface. 2. Disengage the cover latch. 3. Remove the bolt securing the belt cover, if so equipped. Figure 48 1. Slide cover out between lift arm and roller 4. Lift the rear and inside cover edges off the mounting posts (Figure 46). Installation 1. Lower the wing deck onto a level surface. 2. Slide the cover into position by guiding the rear edge between the lift arm and roller. 3.
Lubrication The grease fitting locations and quantities are: Traction Unit Greasing the Bearings and Bushings • Impact arms (2) (Figure 49) • Front Deck Lift cylinder pivots (2) (Figure 49) Service Interval: Before each use or daily—Lubricate castor arm bushings. • Side Deck Lift cylinder pivots (2) (Figure 49) • Steering cylinder ball joints (4) (Figure 50) Every 50 hours—Lubricate all grease fittings.
Figure 50 Figure 53 Front Lift Assemblies • Lift arm bushings (2) (Figure 54) • Lift arm ball joints (2) (Figure 54) • Front Deck Lift cylinder pivots (2) (Figure 54) Figure 51 Figure 54 Figure 52 Side Cutting Units (per side) • Castor fork shaft bushing (4) (Figure 55) Front Cutting Unit • Castor fork shaft bushings (2) (Figure 53) • Spindle shaft bearings (3 each) (located on spindle housing) (Figure 55) • Spindle shaft bearings (5) (located on spindle housing) (Figure 53) • Idler arm pivot bushi
Engine Maintenance Air Cleaner Maintenance • Check the air cleaner body for damage which could cause an air leak. Replace if damaged. Check the whole intake system for leaks, damage or loose hose clamps. • Service the air cleaner filter only when the service indicator requires it. Changing the air filter before it is necessary only increases the chance of dirt entering the engine when the filter is removed. • Be sure the cover is seated correctly and seals with the air cleaner body.
Servicing the Engine Oil Checking the Engine Oil Level Service Interval: Before each use or daily—Check the engine oil level. The engine is shipped with oil in the crankcase; however, the oil level must be checked before and after the engine is first started. The crankcase capacity is 8.5 qt (8.04 l) with the filter. Use high-quality engine oil that meets the following specifications: Figure 57 1. Air cleaner indicator 2. Air cleaner latch 3.
Figure 61 1. Engine oil drain plug 2. Remove the oil filter (Figure 59). Apply a light coat of clean oil to the new filter seal before screwing it on. Do not overtighten. Figure 59 1. Oil filter 2. Dipstick 3. Add oil to the crankcase; refer to Checking the Engine Oil. 3. If the oil is below the Low mark, remove the fill cap (Figure 60) and add oil until the level reaches the Full mark. Do not overfill.
Draining the Water Separator Fuel System Maintenance 1. Place a clean container under the water separator (Figure 62). 2. Open the drain plug and operate the pump to drain off contaminates (Figure 62). Servicing the Fuel System DANGER 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.
10. Connect the water sensor (electrical connector) from the bottom of the water separator. 11. With the vent plug still loosened, operate the primer pump until fuel purges at the vent plug. Close the vent plug, start the engine and check for leaks. Correct as necessary with the engine off. Replacing the Fuel Filter Service Interval: Every 500 hours—Replace the fuel filter element 1. Clean the area around the fuel filter head (Figure 63). Figure 64 1. Fuel filter 2. Banjo fitting 3. Water Separator 4.
Electrical System Maintenance WARNING If installing an auxiliary accessory to the machine, the only approved locations to source power are the traction unit fuse block (Figure 68) or the cab fuse block (Figure 70). A maximum of 10 amps is available from either location. Contact your local Toro distributor for assistance. Note: Make sure the key is off and removed from the switch before removing fuses. Fuses Figure 67 The traction unit fuses (Figure 68) are located in the power center console (Figure 67).
Note: Check the battery condition weekly or after every 50 hours of operation. Keep the terminals and the entire battery case clean because a dirty battery will discharge slowly. To clean the battery, wash the entire case with a solution of baking soda and water. Rinse with clear water. Coat the battery posts and cable connectors with Grafo 112X (skin-over) grease (Toro Part No. 505-47) or petroleum jelly to prevent corrosion. The cab fuses are located in the fuse box on the cab headliner (Figure 70).
Drive System Maintenance Adjusting the Traction Pedal Angle The traction pedal operating angle can be adjusted for operator comfort. Figure 72 1. Check/drain plug (3 o’clock position) 1. Loosen the two nuts and bolts securing the left side of the traction pedal to the bracket (Figure 71). 2. Remove the check plug on the planetary (Figure 72) and on the brake housing (Figure 73). Gear oil should be within 1/8 inch of the check plug on the brake housing and the planetary. Figure 71 1. Traction pedal 2.
Figure 74 1. Check/drain plug (lowest position) 2. Place a drain pan under the hub, remove the plug, and allow the oil to drain. Figure 75 1. Center to center distance 3. Place a drain pan under the brake housing on the other side of the wheel (Figure 73). 2. Tie rod clamps 4. Remove the plug from the bottom of the housing and allow the oil to drain. 2. To adjust, loosen the clamps at both ends of the tie rods (Figure 75). 5. When all of the oil has drained, install the plug in the housing. 3.
Cooling System Maintenance DANGER The rotating fan and drive belt can cause personal injury. • Do not operate the machine without the covers in place. CAUTION Discharge of hot pressurized coolant or touching hot radiator and surrounding parts can cause severe burns. • Keep fingers, hands and clothing clear of rotating fan and drive belt. • Shut off the engine and remove the ignition key before performing maintenance. • Do not remove the radiator cap when the engine is hot.
Brake Maintenance Servicing the Engine Cooling System Adjusting the Service Brakes Service Interval: Every 100 hours—Inspect the cooling system hoses. Adjust the service brakes when there is more than 1 inch (25 mm) 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 braking resistance is felt. Every 2 years—Flush the cooling system and replace fluid.
Belt Maintenance Replacing the Blade Drive Belts Servicing the Alternator Belt Service Interval: Every 50 hours—Inspect the blade drive belts. Service Interval: After the first 10 hours—Check the alternator belt tension. Every 1,000 hours—Replace the drive blade belts Every 1,000 hours—Check the alternator belt tension. Servicing the Compressor Belt The blade drive belt, tensioned by the spring loaded idler pulley, is very durable. However, after many hours of use, the belt will show signs of wear.
to release the belt tension and allow the belt to be slipped off the pulleys. 4. Remove the bolts securing the hydraulic motor to the cutting unit (Figure 81). Lift the motor off of the cutting unit and lay it on top of the cutting unit. Figure 81 1. Hydraulic motor 2. Mounting bolts Figure 83 5. Remove the old belt from around the spindle pulleys and idler pulley. 1. Idler pulleys 6. Route the new belt around the spindle pulleys and idler pulley assembly as shown in Figure 82. 4.
Hydraulic System Maintenance Checking the Hydraulic Fluid Service Interval: Before each use or daily—Check the hydraulic fluid level. Figure 85 Left side deck The machines reservoir is filled at the factory with approximately 19 U.S. gallons (71.9 l) of high quality hydraulic fluid. Check the level of the hydraulic fluid before the engine is first started and daily thereafter. The recommended replacement fluid is: Toro Premium All Season Hydraulic Fluid (Available in 5 gallon pails or 55 gallon drums.
Note: Many hydraulic fluids are almost colorless, making it difficult to spot leaks. A red dye additive for the hydraulic system oil is available in 2/3 oz (20 ml) bottles. One bottle is sufficient for 4-6 gallons (15-22 1) of hydraulic oil. Order part no. 44-2500 from your authorized Toro distributor. Note: If ambient operating temperatures exceed 110° F, contact Toro for fluid recommendations. 1. Position the machine on a level surface, lower the cutting units, stop the engine, and remove the key.
Changing the Hydraulic Fluid and Filters Service Interval: Every 1,000 hours—Change the hydraulic fluid and filters. Change the 2 hydraulic filters and the hydraulic fluid after every 1000 operating hours, in normal operating conditions. If the fluid becomes contaminated, contact your local Toro distributor because the system must be flushed. Contaminated fluid looks milky or black when compared to clean oil. Figure 89 1. Yellow plunger Use Toro replacement filters (Part No.
Mower Maintenance Important: Use only the hydraulic fluids specified. Other fluids could cause system damage. Pivoting (Tilting) the Front Cutting Unit Upright 8. Install the reservoir cap. Start the engine and use all of the hydraulic controls to distribute hydraulic fluid throughout the system. Also check for leaks; then stop the engine. Note: Although not needed for normal maintenance procedures, the front cutting unit can be pivoted (tilted) to an upright position.
3. Secure the height-of-cut chains to the rear of the cutting unit. 4. Connect the damper assembly and secure it with the retainer clip. Adjusting the Cutting Unit Pitch Measuring the Cutting Unit Pitch Cutting unit pitch is the difference in height-of-cut from the front of the blade plane to the back of the blade plane. Toro recommends a blade pitch of .300 inch (7.5 mm). That is the back of the blade plane is .300 inch (7.5 mm) higher than the front. 1.
6. Adjust the other set of nuts to raise or lower the rear of the cutting unit and attain the correct cutting unit pitch. 7. Tighten the jam nuts. Figure 96 1. Tensioning cap 2. Spacers 3. Shims 4. Top axle mounting hole 5. Castor wheel Servicing the Castor Arm Bushings The castor arms have bushings pressed into the top and bottom of the tube and after many hours of operation, the bushings will wear. To check the bushings, move the castor fork back and forth and from side to side.
3. Check the bearings, spacer, and inside of the wheel hub for wear. Replace any damaged parts. 4. To assemble the castor wheel, push the bearing into the wheel hub. When installing the bearings, press on the outer race of the bearing. 5. Slide the bearing spacer into the wheel hub. Push the other bearing into the open end of the wheel hub to captivate the bearing spacer inside the wheel hub. Figure 97 1. Castor arm tube 6.
Blade Maintenance Important: The curved part of the blade must be pointing toward the inside of the cutting unit to ensure proper cutting. Checking for a Bent Blade Note: After striking a foreign object, torque all the spindle pulley nuts to 130 to 150 ft-lb (176 to 203 N⋅m) and the blade bolts to 85 to 110 ft-lb (115 to 149 N⋅m). After striking a foreign object, inspect the machine for damage and make repairs before restarting and operating the equipment.
wears down, the quality-of-cut will degrade somewhat, although the cutting edges are sharp. The cutting edge of the blade must be sharp so that the grass is cut rather than torn. A dull cutting edge is evident when the tips of the grass appear brown and shredded. Sharpen the cutting edges to correct this condition. Figure 102 1. Position the machine on a level surface.
Miscellaneous Maintenance Cleaning the Cab Air Filters Service Interval: Every 250 hours—Clean the cab air filters. (Clean more frequently in extremely dusty or dirty conditions and replace them if they are torn or excessively dirty.) Servicing the Spark Arrestor Muffler 1. Remove the thumb screws and grates from over both the in-cab and rear cab air filters (Figure 103). Service Interval: Every 250 hours—Service the spark arrestor. Every 250 hours operation, clear the muffler of carbon buildup. 1.
Cleaning the Air Conditioning Coil Cleaning the A/C Condenser Screen Service Interval: Every 250 hours—Clean the air conditioning coil. (Clean more frequently in extremely dusty or dirty conditions) Service Interval: Every 50 hours—Clean the air conditioning screen. (Clean more frequently in extremely dusty or dirty conditions) 1. Stop the engine and remove the key. 1. Stop the engine and remove the key. 2. Remove the (4) screws securing the fan and the condenser cover to the fan mount (Figure 104).
Storage 9. Seal the air cleaner inlet and the exhaust outlet with weatherproof tape. Preparing for Seasonal Storage 10. Check the anti freeze protection and add a 50/50 solution of water and ethylene glycol anti-freeze as needed for the expected minimum temperature in your area. Traction Unit 1. Thoroughly clean the traction unit, cutting units, and the engine. Important: Do not use high pressure water near Info Center 2.
Schematics Hydraulic Schematic (Sheet 1 of 2) (Rev.
Hydraulic Schematic (Sheet 2 of 2) (Rev.
Electrical Schematic (G011817) (Rev.
Electrical Schematic (G011818) (Rev.
1818 1819 1817 1817 1818 SEE DWG. # g01 SEE DWG. # g01 LINE06 SEE DWG. # g01 LINE07 SEE DWG. # g01 LINE09 SEE DWG. # g01 LINE05 LINE04 LINE01 LINE02 SEE DWG. # g01 1817 R/W BK/W BK PK A B C 120OHM CAN+ CAN- R/W 54-G 54-H BK/W 1F2 30 A VIO 1F4 30 A CUMMINSCONTROLLER OR R MAXI#2 CABPOWERRELA Y 08-B BK LINE39 08-A R LINE38 SEE DWG.
ENGINE DIAGNOSTIC GND +12VDC CAN+ CAN- CANtrak2600 INFOCENTER RS485A RS485B GROUND PWR+ RS232 TX+ RS232 TXRS232RXRS232RX+ CANCAN+ BK SWITCHEDO/P NOTUSED 9 10 11 12 1 2 3 4 5 6 7 8 T/BK PK R/W R/W BK/W BK/W R/W BK/W CAN+ CAN- A B C 120OHM BK GN/BK T/BK R OR/BK CANtrak2600 COMMUNICATIONPOR T BK A B C D TX (-) A B C E F RX LOOP-BACKCONNECT OR T CANDIAGNOSTIC CAP CONNECT OR GY BK (-) HOURMETER CONNECT OR PK R/W BK/W LINE19 LINE20 R LINE12 R LINE13 PK LINE14 T LINE15 BK LI
Electrical Schematic (G011821) (Rev.
Electrical Schematic (G011822) (Rev.
Electrical Schematic (G011823) (Rev.
Electrical Schematic (G011824) (Rev.
Electrical Schematic (G011825) (Rev.
Electrical Schematic (G011826) (Rev.
Electrical Schematic (G011827) (Rev.
BN VIO OR BN -1 VIO -2 OR -7 OR -8 BK -5 BK -6 RESIST OR BLOWERF AN OR/BK -3 OR BK/W -4 BK/W FREEZE SWITCH PWR OR/BK R BK W BINARY SWITCH AIR CONDITIONING (PRESSURE SWITCH) BK/W P05-H W P05-G BU CONDENSER F AN BK 56-E W AIR CONDITIONER CLUTCH 56-D BU WINDSHIELD WASHER PUMP BK BU SHEET 1 LINE40 GN R GN R W/BK BU BK P11-1 P11-2 P11-3 P11-4 P11-5 VIO PWR W/BK GN R BK BU BN BK LOW SPEED HIGH SPEED PARK INTERMITTENT GROUND WINDSHIELD WIPER BEACON GND R/W
The Toro Total Coverage Guarantee A 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).