Woodland Mills WC68 PTO Operator's Manual
Also see for WC68: Owner's manual
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Contents
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WC68 Operator’s Manual BLADE SHARPENINGThe wood chipper blades will dull, making chipping difficult and cause your tractor to labour. Itis recommended to sharpen the blades every 25-50 hours of operation. The WC68 woodchipper uses four (4) hardened steel blades. The blades are reversible and can be sharpenedon both sides. Follow the below steps to sharpen the blades.1. Follow the steps from the previous section, "Replacing Blades", to safely remove theblades from the flywheel.2. Hand-grind the angled edges of the blade at 33° (see diagram below) using a whetstoneor have them sharpened by a professional. A pedestal style bench grinder will likelyyield poor results if not used properly. If sharpened quickly or aggressively on a benchgrinder, the blade edge can get too hot and change colour, thus removing the heattreating-properties from the steel. Use short grinding times and cool frequently withwater. Remove an equal and consistent amount of material from each blade to maintainproper balance when reassembled to the flywheel.3. Reinstall the sharpened blades on the flywheel and torque the M10 X 35 mm flat headbolts to 40-45 ft•lb (54-60 N•m). Always replace the lock nuts with new hardware whenchanging or reversing the blades.4. Once the blades have been sharpened, proceed to the next section, "Setting the BedPlate Gap", to properly set the spacing between the newly sharpened blades and thebed plate.WC68-MY2019: Rev A Page of 31 49 27-Sep-2018Blade Profile33° 33° |
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