Toro Greensmaster Flex 21 Service Manual

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Greensmaster Flex 21Page 7 ñ 32Cutting Unit (Rev. C)Preparing Reel for GrindingNOTE: Check to make sure the reel bearings are ingood condition before grinding a reel.1. Remove bedbar assembly (see Bedbar Removal inthis section).2. Remove groomer reel, if installed (see GroomerReel in the Service and Repairs Section of Chapter 8 ñGroomer (Model 40201) or Chapter 9 ñ Groomer (Model40204)).3. Remove front roller (see Roller Removal in this sec-tion).NOTE: Some older grinding machines may require thatthe cutting reel be removed from the mower.NOTE: The cutting unit must be aligned so the grindingwheel will travel parallel to the reel shaft. This will resultin the the reel being ground to the desired cylindershape.NOTE: When grinding reel, be careful not to overheatthe reel blades. Remove small amounts of material witheach pass of the grinder.4. Grind cutting reel (refer to TORO Sharpening Reeland Rotary Mowers Manual, Form No. 80-300 PT).5. After completing grinding process:A. Install front roller (see Roller Installation in thissection).B. If removed, reñinstall groomer reel (see GroomerReel in the Service and Repairs Section of Chapter 8ñ Groomer (Model 40201) or Chapter 9 ñ Groomer(Model 40204)).C. Install bedbar assembly (see Bedbar Installationin this section).D. Complete mower setñup and adjustment se-quence (see Adjustments section of this chapter).Reel Grinding SpecificationsNominal Reel Diameter 5 in (126 mm)Service Limit Reel Diameter 4.5 in (114 mm)Blade Relief Angle 30oRelief Angle Range 20o to 40oBlade Land Width 0.040 in (1.0 mm)Blade Land Width Range 0.030 to 0.060 in (0.7 to 1.5 mm)Max. Reel Taper 0.040 in (1.0 mm)REEL DIAMETER TAPER = D1 ñ D2D1 D2BLADE RELIEF ANGLEREEL DIAMETERBLADELANDWIDTHFigure 47