Form No. 3443-930 Rev C Operator's Manual NuSurface 790 Model No. 46452—Serial No. 321000001 and Up Register at www.Toro.com/bullseye.
WARNING CALIFORNIA Proposition 65 Warning Use of this product may cause exposure to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Introduction This machine is a tow-behind attachment intended to be used by professional, hired operators in commercial applications. It is a renovation machine used for cutting, scarifying or removing large areas of grass and leaving behind a clean surface.
Contents Safety Safety ....................................................................... 3 General Safety ................................................... 3 Safety and Instructional Decals .......................... 4 Setup ........................................................................ 6 1 Removing the Machine from the Pallet............................................................... 6 2 Inspecting the Machine .................................... 8 Product Overview .................
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 missing. decal105-0698 105-0698 decal144-7906 1. Warning—read the Operator’s Manual. 144-7906 1. Cutting/dismemberment hazard of the fingers decal119-6807 119-6807 1. Warning—no step decal144-7910 144-7910 1. Warning—entanglement hazard; keep hands away from moving parts.
decal144-8339 144-8339 decal144-8338 144-8338 1. Entanglement hazard—keep away from moving parts.. 1. Entanglement hazard—keep away from moving parts. 3. Warning—read the Operator’s Manual. 2. Warning—remove the key before performing maintenance; read the Operator’s Manual. 5 2. Warning—read the Operator’s Manual.
Setup 1 Removing the Machine from the Pallet No Parts Required Procedure The attachment is shipped vertically on the pallet. Perform the following instructions to remove it from the pallet. DANGER The attachment is unstable and could swing when lifted, injuring anyone beneath it or around it. • Refer to the lifting machine operator’s manual to ensure that it is rated to lift the attachment. • Ensure the lift height is kept to a minimum and only high enough to remove the shipping material.
g357840 Figure 3 2. Rear roller 1. Lifting point g348382 Figure 4 1.
2 Inspecting the Machine No Parts Required Checking the Grease and Gearbox Check and ensure that the gearbox has fluid; refer to Checking the Gearbox Lubrication (page 23). Ensure that the machine is greased before use; refer to Greasing the Attachment (page 22). g007332 Figure 5 3-Point Hitch and PTO Components Checking the Traction Unit Requirements 1. Lower link arm 2. Upper link arm Use the following figure and list as a reference: 3. PTO driveshaft 4.
Specifications Product Overview Note: Specifications and design are subject to change without notice. Traction Unit Requirements Tractor horse power 40 to 50 hp Minimum lifting capacity (61 cm (24 inches) from lower link pins) 1650 kg (3640 lb) 3-point hitch Category 2 or higher Hydraulic connections 2 double-operating valves Attachment Specifications g348670 Figure 6 1. Transport belt 5. 3-point hitch connection 2. Lift conveyor 6. Front roller 3. Front roller adjustment 7. Belt cover 4.
Operation Important: Refer to the traction unit operator's manual for operating instructions. Note: Determine the left and right sides of the machine from the normal operating position. Practicing the Operating Procedures Before Operation Before using the machine, find a clear area and practice operating the traction unit with the machine installed.
g347981 Figure 9 1. Lower link arm (2) 2. Hitch pin and hairpin cotter (2) g347982 Figure 8 1. Hairpin cotter (3) 3. 4. 6. 2. Hitch pin (3) Secure the lower link arms to the hitch pins using the hairpin cotters. Connecting the Upper Link Arm Back the traction unit squarely up to the attachment so that you can attach the lower connecting arms to the frame. 1. Engage the parking brake, shut off the engine, and remove the key from the ignition.
4. Tighten the jam nut to secure the upper link arm into position. 5. Start the traction unit and lift the attachment off the ground. Connecting the PTO Driveshaft Adjusting the PTO Driveshaft Length Adjust the length of the PTO driveshaft whenever you install the attachment to a different traction unit. g007328 Figure 12 Important: If the length of PTO is not adjusted properly, using the attachment can damage the traction unit or the attachment.
g347459 Figure 15 9. g347524 Figure 13 1. 76 mm (3 inches) Remove and cut each section at the mark (Figure 14). Note: Ensure the same amount is removed from each section. g347473 Figure 14 1. Cut the driveshaft section. 8. 10. Raise the attachment to the position where the traction-unit PTO output shaft and gearbox input shaft are furthest apart (Figure 16). 11. Hold the driveshaft sections parallel to each other and check to ensure that they overlap 150 mm (6 inches) or more (Figure 16).
Installing the PTO Driveshaft Important: Refer to the PTO driveshaft owner’s manual for additional operating and safety information. CAUTION Operating the machine without the PTO guards and shields may cause injury or death. Keep all PTO guards and shields in place. Important: When connecting the PTO, ensure that the attachment is not lifted higher than necessary. Lifting the attachment too high causes the PTO driveshaft knuckles to break (Figure 17).
5. Verify that the telescoping tube has a minimum of 150 mm (6 inches) overlap when the attachment is raised to the maximum height. g345541 Figure 18 1. Gearbox input shaft 4. Bolt 2. Nut 3. PTO shaft coupler 5. PTO driveshaft 2. Assemble the PTO driveshaft to the PTO output shaft of the traction unit. g345507 Figure 20 Connecting the Hydraulic Hoses 1. Connect the hydraulic hoses from the attachment to the traction unit. Ensure the hydraulic hoses are engaged in the ports. 2.
g348709 Figure 22 1. Adjustment handle g348674 Figure 21 1. Scarifying slot 3. Jam nut 2. Frasing slot 4. Rear link 4. 5. 6. Adjusting the Scarifying Depth The working depth is set by adjusting the front roller. Ensure the rear roller is set to the scarifying slot shown in Figure 21. Using the adjustment handles, adjust the front links to your desired depth by using the indicators on both sides.
• Use care when approaching blind corners, shrubs, Note: When the lift conveyor is folded out, the machine weight shifts to this side. Due to the extra weight, you can remove more material on this side. To compensate for this extra weight, adjust the front and back links on the right side (lift conveyor side). trees, or other objects that may obscure your vision. • Do not run the PTO with the attachment raised. • Stop the attachment whenever you are not using it.
Operating the Attachment Slope Safety • Review the traction unit specifications to ensure Using the PTO that you do not exceed its slope capabilities. • Slopes are a major factor related to loss of control Before engaging the PTO, verify the following: • The angle of the pivot pins are 25° or less and never exceeding 30°. • The pivot pins are aligned. • The overlap of the PTO cylinders is at least 150 mm (6 inches). • The PTO protection guard is not damaged.
6. 21. Adjust the lift conveyor in the desired position. Note: Ensure there is enough clearance around the machine where you unfold the conveyor. 7. Adjust the working depth of the attachment; refer to Adjusting the Working Depth (page 15). 8. Mount the upper link arm in the slotted hole so that the attachment follows the terrain; refer to Connecting the Upper Link Arm (page 11). 9. Note: Ensure there is enough clearance around the machine where you turn around. 22.
After Operation After Operation Safety • Park the machine on a level surface; engage the parking brake; shut off the engine; remove the key; and wait for all movement to stop before leaving the machine. • Do not step on, over, or under the driveshaft. • Do not use the restrain chain of the PTO-shaft guard to support the shaft when transporting or storing the mower. • Do not rest the PTO shaft on the ground. • Do not allow the PTO-shaft guards to pull apart.
g347982 Figure 27 1. Hairpin cotter (3) 2.
Maintenance Recommended Maintenance Schedule(s) Maintenance Service Interval Maintenance Procedure After the first 20 hours • • • • • Grease the PTO shaft and roller bearings. Check the gearbox oil level. Check the gearbox for leaks. Check the V-belt tension. Check for loose nuts and bolts. Before each use or daily • • • • • Check Check Check Check Check the gearbox oil level. for loose nuts and bolts. the PTO shaft. the hydraulics. the conveyor belts.
Grease the machine at the following bearing locations (Figure 28). g007309 Figure 29 Checking the Gearbox Lubrication Service Interval: Before each use or daily—Check the gearbox oil level. After the first 20 hours—Check the gearbox oil level. After the first 20 hours—Check the gearbox for leaks. Every 50 hours—Check the gearbox oil level. Every 50 hours—Check the gearbox for leaks. Allow the gearbox to cool before checking the lubrication. 1.
Changing the Gearbox Lubrication Service Interval: Every 500 hours The gearbox is filled with SAE140 gear oil or equivalent. 1. Clean debris from the fill plug and the drain plug to avoid contamination (Figure 30). 2. Remove the fill plug to relieve trapped air. 3. Position a short drain pan under the drain plug and remove the drain plug. Note: The high viscosity of cool oil extends the drain time (approximately 30 minutes). 4. After oil is completely drained, install the drain plug. 5.
3. If the tension is not correct, loosen the locknuts under the plate (Figure 34). 4. Loosen the bolts in the slots (Figure 34). 5. Adjust the locknuts on top to adjust the tension of the belts. 6. Check the belt tension and if needed, continue to adjust the top locknuts. 7. Tighten the lower locknuts under the plate (Figure 34). 8. Tighten the top locknuts. 9. Tighten the bolts in the slots. 10. Install the belt cover. g346867 Figure 34 1. Bolt in slot 2.
8. After each adjustment, allow the conveyor belt to rotate for at least 10 rotations to position itself to the new alignment before making any further corrections. 9. If the belt is working properly again, securely lock the screws in place. Cleaning the Machine Service Interval: After each use Important: Do not use brackish or reclaimed water to clean the machine.
Installing the Fraise Blades For the replacement of the fraise blades, it is necessary to point the fraise blades facing to the left or the right to obtain a correct overlap (Figure 36). To clarify the correct position, certain rotor plates have a notch cut into them. Note: Ensure the knife edge rests against the rotor plate. • Install the fraise blades with a notch facing to the left side of the machine. • Install the fraise blades without a notch facing to the right side of the machine.
Installing Optional Scarifying Knives This machine is equipped with fraise knives but you can also use it with scarifying knives for scarifying the subsoil. You can set the distance between the scarifying knives at the following 4 positions: • 25 mm (1 inch) • 50 mm (2 inches) • 75 mm (3 inches) • 100 mm (4 inches) In order to avoid imbalance, weights are used for the spacing of 50 mm (2 inches), 75 mm (3 inches), and 100 mm (4 inches). g349254 Figure 38 1.
For 25 mm (1 inch) spacing, install knives on all plates. Slit Distance—100 mm (4 inches) (cont'd.
25 mm (1 inch) spacing Same as disk 1 g348707 g348702 Figure 40 Figure 41 1. Weight 2.
Storage Storage Safety • Before adjusting, cleaning, storing, or repairing the machine, park the it on a level surface; engage the parking brake of the traction unit; shut off the engine; remove the key; and wait for all movement to stop before leaving the traction unit. • Store the machine on the front and rear rollers positioned on a firm, level surface so that it does not sink or roll away. • Store the machine away from areas of human activity.
Troubleshooting Problem The machine vibrates. The working depth is not achieved. The soil is too coarse while processing. The rotor is jammed. The rotor does not turn. The transport belt cannot handle the quantity of material. The transport belt moves slowly or does not move. Possible Cause Corrective Action 1. There is an obstacle(s) between the knives 1. Remove the obstacle(s). 2. The knives are worn or broken. 3. The rotor is unbalanced. 2. Replace with new knives. 3. Balance the rotor. 1.
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California Proposition 65 Warning Information What is this warning? You may see a product for sale that has a warning label like the following: WARNING: Cancer and Reproductive Harm—www.p65Warnings.ca.gov. What is Prop 65? Prop 65 applies to any company operating in California, selling products in California, or manufacturing products that may be sold in or brought into California.
Warranty Statement One-Year Limited Warranty Conditions and Products Covered Parts Your Bullseye product (“Product”) is warranted to be free from defects in materials or workmanship for 1 year. Where a warrantable condition exists, we will repair the Product at no cost to you including diagnostics, labor, parts, and transportation. This warranty begins on the date the Product is delivered to the original retail purchaser.
