Form No. 3450-978 Rev B Dethatching Unit Greensmaster® 3300/3400 Series TriFlex® Traction Unit Model No. 04720—Serial No. 410400000 and Up Register at www.Toro.com.
This product complies with all relevant European directives. For details, please see the Declaration of Incorporation (DOI) at the back of this publication. Introduction The dethatching unit is mounted to a traction unit and is intended to be used by professional, hired operators in commercial applications. It is designed primarily for dethatching grass on well-maintained lawns in parks, golf courses, sports fields, and on commercial grounds.
Contents Safety Safety ....................................................................... 3 General Safety ................................................... 4 Cutting Unit Safety.............................................. 4 Blade Safety ....................................................... 4 Safety and Instructional Decals .......................... 4 Setup ........................................................................ 5 1 Installing the Front Roller .................................
General Safety Blade Safety This product is capable of amputating hands and feet. Always follow all safety instructions to avoid serious personal injury. A worn or damaged blade can break, and a piece of the blade could be thrown toward you or bystanders, resulting in serious personal injury or death. • Read and understand the contents of this • Inspect the blade periodically for wear or damage. Operator’s Manual before starting the machine. • Use care when checking the blades.
Setup 1 Installing the Front Roller 3. With the rear roller contacting the level surface, loosen both height-of-cut nuts. 4. Rotate the height-of-cut until both ends of the front roller contact the level surface. 5. Verify contact by using a piece of paper to check each roller end. 6. Tighten both height-of-cut knob locknuts. 3 No Parts Required Procedure Adjusting the Dethatcher Blades For Negative Setting (Below Ground) The dethatching unit is shipped without a front roller.
Note: As the dethatcher blades wear, the diameter of the assembly will decrease and the depth setting will change. Check the depth setting periodically to ensure that the desired setting is achieved. 5. 5 Installing the Electrical Counterweight Tighten both height-of-cut flange locknuts.
Product Overview Specifications Traction-Unit Compatibility The dethatching unit mounts on Greensmaster 3300 and 3400 series traction units. Height of Cut Dethatching depth is adjusted on the front roller by 2 vertical screws and held by 2 locking flange nuts. Height-of-Cut Range Bench HOC range is 4.78 mm (0.188 inch) below ground level to 6.35 mm (0.250 inch) above ground level. Reel Bearings Two sealed stainless steel, deep groove ball bearings. Rollers The rear roller is a 5.
Maintenance Note: Determine the left and right sides of the machine from the normal operating position. Disassembling the Dethatcher Blade Assembly Disassemble the dethatcher blade assembly whenever you need to change a blade or replace the bearings. 1. Secure the jam nut on the end of the assembly, which contains the washer, in a vise. Note: Do not remove the washer or nut on this side of the assembly. 2. Remove the hex bolt, bearing, and flock seal. 3.
g379283 Figure 7 1. Index hole 6. Torque the threaded spline insert, hex bolt, and jam nut to 108 to 135 N∙m (80 to 100 ft-lb).
Servicing the Roller The Greens Roller Rebuild Kit (Part No. 140-5552) and the Greens Roller Rebuild Tool Kit (Part No. 140-5553) (Figure 8) are available for servicing the roller. The Roller Rebuild Kit includes all the bearings, bearing nuts, and seals to rebuild a roller. The Roller Rebuild Tool Kit includes all the tools and the installation instructions required to rebuild a roller with the roller rebuild kit. Refer to your parts catalog or contact your authorized Toro distributor for assistance.
Declaration of Incorporation The Toro Company, 8111 Lyndale Ave. South, Bloomington, MN, USA declares that the following unit(s) conform(s) to the directives listed, when installed in accordance with the accompanying instructions onto certain Toro models as indicated on the relevant Declarations of Conformity. Model No. 04720 Serial No.
The Toro Warranty Two-Year or 1,500 Hours Limited Warranty Parts Conditions and Products Covered The Toro Company warrants 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).
