From inside (document excerpt):
Form No. 3352-305 Greensmaster® Flex21 Walk-Behind Mower Model No. 04021 (Traction Unit)–Serial No. 250000001 and Up Model No. 04200 (Cutting Unit)–Serial No. 250000001 and Up Register your product at www.Toro.com Original Instructions (EN) Warning CALIFORNIA Proposition 65 Warning The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. This spark ignition system complies with Canadian ICES-002 Contents Introduction .
2 Safety 4 Safe Operating Practices . 4 Toro Mower Safety 5 Sound Pressure Level . 6 Sound Power Level 6 Vibration Level . 6 Safety and Instructional Decals . 7 Setup . 9 1 Installing the Handle . 9 2 Adjusting the Handle . 10 3 Installing the Transport Wheels . 10 4 Checking Fluid Levels . 11 5 Installing the Grass Basket . 11 6 Reading the Manuals and Viewing the Video 11 Product Overview . 13 Controls 13 Specifications . 14 Operation 15 Think Safety First 15 Checking the Engine Oil Level 15 Filling the Fuel Tank 15 Checking the Interlock Switch Operation 16 Starting and Stopping the Engine . 16 Transport Operation . 16 Preparing to Mow . 17 Mowing Operation 17 Maintenance . 19 Recommended Maintenance Schedule(s) . 19 Daily Maintenance Checklist . 20 Engine Maintenance 21 Engine Oil . 21 Servicing the Air Cleaner 21 Replacing the Spark Plug 22 Fuel System Maintenance 23 Cleaning the Fuel Filter 23 Electrical System Maintenance . 23 2004–The Toro® Company 8111 Lyndale Avenue South Bloomington, MN 55420 Servicing the Interlock Switch 23 Drive System Maintenance 23 Checking the Transmission Fluid Level . 23 Changing the Transmission Fluid . 24 Brake Maintenance 24 Adjusting the Service/Parking Brake 24 Belt Maintenance . 24 Adjusting the Belts 24 Controls System Maintenance 27 Adjusting the Traction Control 27 Adjusting the Reel Control . 28 Cutting Unit Maintenance 28 Separating the Cutting Unit from the Traction Unit . 28 Leveling the Rear Roller to the Reel 29 Adjusting the Bedknife to the Reel . 29 Adjusting the Height of Cut 30 Adjusting the Cut-Off Bar 31 Servicing the Bedbar 31 Backlapping the Reel . 32 Storage 33 Introduction Read this information carefully to learn how to operate and maintain your product properly and to avoid injury and product damage. You are responsible for operating the product properly and safely. You may contact Toro directly at www.Toro.com for product and accessory information, help finding a dealer, or to register your product. Whenever you need service, genuine Toro parts, or additional information, contact an Authorized Service Dealer or Toro Customer Service and have the model and serial numbers of your product ready. Figure 1 and Figure 2 identify the location of the model and serial numbers on the product. Write the numbers in the space provided. 2 Contact us at www.Toro.com. Printed in the USA. Figure 3 1. Safety alert symbol. This manual uses two other words to highlight information. Important calls attention to special mechanical information and Note emphasizes general information worthy of special attention. Figure 1 1. Location of the model and serial numbers-Traction unit Traction unit: Model No. Serial No. Figure 2 1. Location of the model and serial numbers-Cutting Unit Cutting unit: Model No. Serial No. This manual identifies potential hazards and has safety messages identified by the safety alert symbol (Figure 3 ), which signals a hazard that may cause serious injury or death if you do not follow the recommended precautions. 3 Safety This machine meets or exceeds CEN standard EN 836:1997, ISO standard 5395:1990, and ANSI B71.4-1999 specifications in effect at the time of production when the Operator Presence Kit, Part No. 105-5333 is installed. Improper use or maintenance by the operator or owner can result in injury.