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Form No. 3393-823 Rev C Multi Pro ® 1750 Turf Sprayer Model No. 41188—Serial No. 315000001 and Up *3393-823* C Register at www.Toro.com. Original Instructions (EN)
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Declaration safely. of Conformity (DOC) sheet. You may contact Toro directly at www.Toro.com for product WARNING safety and operation training materials, accessory information, help finding a dealer, or to register your product.
Contents Changing the Spark Plugs ........41 Fuel System Maintenance ...........42 Replacing the Fuel Filter..........42 Safety ................4 Draining the Fuel Tank ...........42 Safe Operating Practices........... 4 Electrical System Maintenance ........43 Chemical Safety............5 Locating the Fuses..........43 While Operating............5 Servicing the Battery..........43 Maintenance ............
Safety • Never allow untrained people to operate or service the equipment. Improper use or maintenance by the operator or owner can Note: Local regulations may restrict the age of the result in injury. To reduce the potential for injury, comply operator.
Important: Keep in mind that there may be more than cautiously, use the headlights, and even consider adding additional lights. one chemical used, and information on each chemical should be assessed. • Be extremely careful when operating around people. Refuse to operate or work on the sprayer if this Always be aware of where bystanders might be and keep information is not available! them away from the work area.
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Braking • Failure to operate the sprayer safely may result in an accident, tip over of the sprayer, and serious injury or • Slow down before you approach an obstacle. This gives death. Drive carefully. To prevent tipping or loss of you extra time to stop or turn away.
Keep everyone away. • Do not use open pans of fuel or flammable cleaning fluids when cleaning parts. • Do not adjust the ground speed governor. To ensure safety and accuracy, have an Authorized Toro Distributor check the ground speed.
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. 117–2718 120–0622 1. Warning—read the 3. Chemical burn hazard; Operator’s Manual.
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130-8293 1. Sprayer off 5. Increase speed 2. Sprayer on 6. Decrease speed 3. Engine on 7. Agitation on 4. Engine off 8. Agitation off 125–6694 1. Tie down location 125–4128 1. Raise/lower left boom 4. Engine—run 2. Raise/lower right boom 5.
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125–8114 1. Rate lockout 2. Toggle rinse pump on/off locked/unlocked 127–3942 1. Read the Operator’s 6. 7.5A Manual for information on 127–3935 fuses. 2. 10A—Ignition 7. 7.5A 1. Parking brake 3. For information on stopping the engine, read 3. 15A—Sprayer boom 8.
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127–3937 1. Warning—do not step. 3. Entanglement hazard, belt—keep away from moving parts; keep all guards and shields in place. 2. Warning—keep away from hot surfaces. 127–3939 1. Warning—read the 3. Cutting/dismemberment Operator’s Manual; always hazard—keep arms and wear a seat belt when legs inside the vehicle at operating the machine;...
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127–3938 1. Read the Operator’s Manual. 127–3941 1. Warning—do not operate the machine without proper training; 4. Electrical shock hazard, overhead power lines—check the read the Operator’s Manual. area for overhead power lines before operating the machine in the area. 2.
Setup tank opening so the water will arc into the tank when you fill it. Note: Determine the left and right sides of the machine 3. Install the hose adapter into the quick coupler (Figure from the normal operating position. 4.
2. View the operator training material. 5. Move the booms into the transport “X” position. See 3. Complete the registration card and return it to Toro. Using the Boom Transport Cradle (page 26) for more 4. Store the documentation in a safe place.
Product Overview G028 Figure 5 1. ROPS bar 4. Valve manifolds 7. Boom control cylinder 10. Left boom 2. Anti-siphon receptacle 5. Right boom 8. Agitation throttle valve 11. Fuel tank 3. Chemical tank lid 6. Center boom 9. Pressure filter 12.
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Figure 6 1. Right boom 4. Fresh water tank 2. Boom transport cradle 5. Operator’s seat 3. Left boom...
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Accelerator Pedal engage the parking brake, pull up and back on the lever. To disengage, push it forward and down. If the sprayer is parked The accelerator pedal (Figure 8) gives you the ability to vary on a steep grade, apply the parking brake and place blocks at the ground speed of the sprayer.
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Important: The range selector must be in the Neutral the InfoCenter. The hour meter starts to function whenever position and the parking brake must be set for the switch the key is turned to the Run position. to work. Sonic Boom (Optional) Fuel Gauge The Sonic Boom switch is a rocker switch used to operate the Sonic Boom.
A selection of Toro approved attachments and accessories is available for use with the machine to enhance and expand its capabilities. Contact your Authorized Service Dealer or Distributor or go to www.Toro.com for a list of all approved attachments and accessories.
Adding Fuel Operation DANGER Note: Determine the left and right sides of the machine from the normal operating position. In certain conditions, gasoline is extremely flammable and highly explosive. A fire or explosion Safety First from gasoline can burn you and others and can damage property.
• Recommended Fuel Check all fluid levels and add the appropriate amount of specified fluids, if any are found to be low. • For best results, use only clean, fresh (less than 30 days old), unleaded gasoline with an octane rating of 87 or •...
Important: Always stop the vehicle before shifting 5. Remove the key from the switch to prevent accidental from a forward gear to reverse or from reverse to a starting. forward gear. Breaking in a New Sprayer Note: Avoid long periods of engine idling. Use the chart below to determine the ground speed of To provide proper performance and long sprayer life, follow an empty vehicle at 3400 rpm.
6. Turn the eyelet rod in the actuator rod to shorten or lengthen the extended actuator to the desired position (Figure 14). Note: The eyelet rod must be turned in half or complete revolutions to allow the reassembly of the rod to the boom.
Important: If you are using a wettable powder As always, remember to clean your sprayer thoroughly after all applications. This will do the most to ensure that your without full agitation, mix the powder with a small sprayer has a long and trouble-free life. amount of water to form a slurry before adding it to the tank.
accelerator pedal to floor, and switch the throttle lock to the On position. Note: This procedure assumes that the pump is on from the Filling the Spray Tank (page 26) procedure. 1. Lower the booms into position. 2. With the master boom switch in the Off position, set the 3 boom switches to the On position.
Using the InfoCenter LCD 17. Clean the strainer; refer to Cleaning the Suction Strainer (page 52). Display Important: If you used wettable powder The InfoCenter LCD display shows information about your chemicals, clean the strainer after each tank. machine, such as the operating status, various diagnostics, 18.
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InfoCenter Icon Descriptions Enter Parking brake active Increase Information icon Decrease Hour meter Adjust tank volume Master boom On/Boom Throttle lock is active section Off Master boom On/Boom section On Empty spray tank Home screen Spray tank at half Inactive screen Full spray tank Active screen TURF units (1,000 square...
Flow This menu calibrates the flow meter. to a setting where you can no longer understand or view Calibration the display, contact your Authorized Toro Distributor for Speed This menu calibrates the speed sensor. assistance in resetting the display. Calibration...
Lock position. 45–152 m (150–500 ft). 10. Turn off the master boom switch. Note: Toro recommends marking off 152 m (500 ft) 11. On the InfoCenter, navigate to the Calibration menu for more accurate results. and select Flow Calibration as follows: 3.
Calibrating the Boom-Section Bypass Valves Note: Before using the sprayer for the first time, if you change the nozzles, or as needed, calibrate the sprayer flow, speed, and boom bypass. Select an open flat area to perform this procedure. 1. Fill the spray tank halfway with clean water. Figure 17 2.
Calibrating the Agitation Adjusting the Master Boom Bypass Valve Bypass Valve Note: Adjusting the master boom bypass valve reduces or Service Interval: Yearly increases the amount of flow sent to the agitation nozzles Select an open flat area to perform this procedure. in the tank when the master boom switch is set to the Off position.
Transporting the Sprayer For moving the sprayer long distances, use a trailer. Secure the sprayer to the trailer. Also, make sure that the booms are tied down and secure. There is 1 metal loop on the front of the frame and 2 loops on the rear of the frame (Figure 21).
Note: Looking for an Electrical Schematic or Hydraulic Schematic for your machine? Download a free copy of the schematic by visiting www.Toro.com and searching for your machine from the Manuals link on the home page. For additional information about the sprayer system, refer to...
Daily Maintenance Checklist Duplicate this page for routine use. Maintenance Check Item For the week of: Mon. Tues. Wed. Thurs. Fri. Sat. Sun. Check the brake and parking brake operation. Check the gear shift/neutral operation. Check the fuel level. Check the engine oil level. Check the transaxle oil level.
Notation for Areas of Concern Inspection performed by: Item Date Information 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 and disconnect the wire(s) from the spark plug(s) before you do any maintenance.
Premaintenance Lubrication Procedures Greasing the Sprayer Jacking Up the Sprayer Service Interval: Every 50 hours—Lubricate the pump. Every 100 hours/Yearly (whichever comes Whenever the engine is run for routine maintenance and/or first)—Lubricate all grease fittings. engine diagnostics, the rear wheels of the sprayer should be 2.5 cm (1 inch) off of the ground with the rear axle supported Grease Type: No.
Engine Maintenance Cleaning the Foam Element 1. Wash the foam element in liquid soap and warm water. Checking the Air Intake Screen 2. When the element is clean, rinse it thoroughly. 3. Dry the element by squeezing it in a clean cloth. Service Interval: Before each use or daily—Check the engine rotating screen.
• Alternate oil: SAE 5W30 (below 32° F) CAUTION Toro Premium Engine Oil is available from your distributor Components under the seat will be hot if the in either 10W30 or 5W30 viscosity. See the Parts Catalog for sprayer has been running. If you touch hot part numbers.
Important: Overfilling the crankcase with oil may cause engine damage. Changing the Engine Oil Filter Service Interval: Every 100 hours 1. Drain the oil from the engine; refer to Changing the Engine Oil (page 40). 2. Remove the oil filter (Figure 29).
Draining the Fuel Tank Fuel System Maintenance Service Interval: Every 400 hours/Yearly (whichever comes first) Drain and clean the fuel tank if the fuel system becomes Replacing the Fuel Filter contaminated or if you plan to store the machine for an extended period.
Electrical System WARNING Maintenance Incorrect battery cable routing could damage the sprayer and cables causing sparks. Sparks can cause the battery gasses to explode, Locating the Fuses resulting in personal injury. • Always disconnect the negative (black) There are 2 fuse blocks and 1 empty slot in the electrical battery cable before disconnecting the system.
Checking the Electrolyte Level 3. Connect a 3 to 4 amp battery charger to the battery posts. Charge the battery at a rate of 3 to 4 amperes Service Interval: Every 50 hours for 4 to 8 hours (12 volts). Note: When the machine is in storage check the battery Important: Do not overcharge the battery.
Drive System Maintenance Inspecting the Wheels and Tires Service Interval: Before each use or daily—Check the tire pressure. After the first 8 hours—Torque the wheel lug nuts. Every 100 hours—Torque the wheel lug nuts. Figure 34 Every 100 hours—Inspect the condition and wear of 1.
Brake Maintenance Adjusting the Parking Brake Service Interval: Every 200 hours—Check the parking brake. Checking the Brake Fluid 1. Remove the plastic grip. The brake fluid reservoir is shipped from the factory filled 2. Loosen the set screw securing the knob to the parking with DOT 3 brake fluid.
Hydraulic System 3. Remove the drain plug from the side of the reservoir, and let the hydraulic fluid flow into the drain pan Maintenance (Figure 39). Checking the Transaxle/Hydraulic Fluid Service Interval: Every 200 hours 1. Position the sprayer on a level surface, set the parking brake, stop the pump, stop the engine, and remove the ignition key.
Service Interval: After the first 8 hours Every 800 hours/Yearly (whichever comes first) WARNING Use the Toro replacement filter (Part No. 54-0110). Chemical substances used in the spray system may Important: Use of any other filter may void the warranty be hazardous and toxic to you, bystanders, animals, on some components.
Note: The following machine components are considered parts subject to consumption through use unless found defective and are not covered by the warranty associated with this machine. Have an Authorized Toro Service Distributor check following internal pump components for damage: • Pump diaphragms •...
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5. Remove the boom and pivot bracket assembly from the center frame to access the nylon bushings. 6. Remove and inspect the nylon bushings from the front and back sides of the pivot bracket (Figure 43). Note: Replace any damaged bushings. 7.
Cleaning the Suction Strainer Cleaning Service Interval: Before each use or daily (more often when using wetable powders). Cleaning the Flowmeter 1. Remove the retainer from the red fitting attached to Service Interval: Every 200 hours/Yearly (whichever comes the large hose on the top of the tank. first) (more often when using wettable powders).
Cleaning the Sprayer Valves Removing the Valve Actuator 1. Position the sprayer on a level surface, set the parking • To clean the rate control valve, refer to the following brake, stop the pump, stop the engine, and remove the sections: key from the starter switch.
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Removing the Rate Control Manifold Valve 1. Remove clamps and gaskets that secure the manifold for the rate control valve (Figure 48). Note: Retain the clamp(s) and gasket(s)for installation Installing the Rate Control Manifold Valve (page 59). Figure 49 1. Flanged-head bolt 4.
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Removing the Master Boom Manifold Valve 1. Remove clamps and gaskets that secure the manifold for the master boom valve (Figure 52) to the master boom bypass valve, agitation valve, and 90° flanged elbow (at the end of the hose for the flow meter). Note: Retain the clamp(s) and gasket(s)for installation Installing the Master Boom Manifold Valve (page 61).
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Figure 53 1. Flanged-head bolt 3. Valve mount 4. Flanged locknut 2. Manifold (master boom valve) Removing the Section Manifold Valve 1. Remove clamps and gaskets that secure the manifold Figure 55 for the section valve (Figure 54) to the adjacent section valve (if left section valve, and the reducer coupling).
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Figure 58 Agitation Valve Manifold Figure 56 1. Stem retainer 7. Back seating O-ring (0.676 inch / 0.07 inch) 1. Bypass fitting 2. Section valve manifold 2. Valve stem 8. Valve seat ring 3. Stem port 9. Mainfold body 4. Stem capture retainer 10.
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Assembling the Manifold Valve 1. Check the condition of the outlet fitting O-rings (section valve manifold only), endcap O-rings, back seating O-rings, ball seat for damage or wear (Figure 58 Figure 59). Note: Replace any damaged or worn O-rings or seats. 2.
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Installing the Rate Control Manifold 5. Assemble the rate control valve to the valve mount with the 2 flanged-head bolts and 2 flanged locknuts (A of Valve Figure 61) that you removed in step Removing the 1. Align a 1 gasket between the flanges of the rate control Rate Control Manifold Valve (page 54) and torque the valve manifold and the pressure filter head (A of...
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Installing the Agitation Manifold Valve 6. Assemble the agitation valve manifold, gasket, and master boom valve with a clamp tightened hand tight 1. Align the flange of the agitation valve manifold, 1 (B of Figure 62). gasket, and the flange of the agitation bypass valve (A Figure 62).
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Installing the Master Boom Manifold 7. Assemble the agitation valve to the valve mount with the flanged-head bolt and flanged locknut that you Valve removed in step Removing the Master Boom 1. Align the flange of the master boom valve manifold, 1 Manifold Valve (page 55)and torque the nut and bolt to gasket, and the flange of the master boom bypass valve...
Storage 8. Assemble the and 2 adjacent section valve manifolds and gasket with a clamp tightened hand tight (B of Figure 64). 1. Position the sprayer on a level surface, set the parking brake, stop the pump, stop the engine, and remove the 9.
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Follow mixing instructions from stabilizer 23. Remove the ignition key and put it in a safe place out manufacturer. Do not use an alcohol based of the reach of children. stabilizer (ethanol or methanol). 24. Cover the machine to protect it and keep it clean. Note: A fuel stabilizer/conditioner is most effective when mixed with fresh gasoline and used at all times.
Troubleshooting Troubleshooting the Engine and Vehicle Problem Possible Cause Corrective Action The starter does not crank. 1. The range selector is in a gear other 1. Press the brake pedal and move the than Neutral. range selector to the Neutral position. 2.
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Problem Possible Cause Corrective Action The engine will not idle. 1. The fuel tank vent is restricted. 1. Replace the fuel cap. 2. Dirt, water, or stale fuel is in the fuel 2. Drain and flush the fuel system; add system.
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Troubleshooting the Spray System Problem Possible Cause Corrective Action A boom section does not spray. 1. The electrical connection on the boom 1. Turn the valve off manually. Disconnect valve is dirty or disconnected. the electrical connector on the valve and clean all leads, then reconnect it.
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The Way Toro Uses Information Toro may use your personal information to process warranty claims, to contact you in the event of a product recall and for any other purpose which we tell you about. Toro may share your information with Toro's affiliates, dealers or other business partners in connection with any of these activities. We will not sell your personal information to any other company.
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Countries Other than the United States or Canada Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer) to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor's service or have difficulty obtaining guarantee information, contact the Toro importer.