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Manafacture: Wilton File size: 1.17 mb File name: Language of manual:

Then set the ON/OFF switch to OFF. Figure 4: Operating Controls (Model 4126AC) Speed Display(RPM) STOP Button FWD (Forward) Button On/OffSwitch Up Down 9 Typical Uses for the Square Wheel Belt Grinder Flat or angular stock — Platen setting is the perfect angle for high speed, precision, flat and level grinding of tools, knives, plastics, and other materials. The platen allows working to very close tolerances. An adjustable work rest is standard on all models. Shaping — For grinding and finishing cylindrical shapes. The yoke surface conforms to the shape of the surface to produce an even, smooth finish without the danger of scarring. Excellent for tool post applications. Roughing — Serrated contact wheel is used for removing heavy stock, cleaning up a weld or snagging a casting. This durable 8-inch diameter wheel is used extensively for hollow grinding and profiling knives and other culinary tools. It is standard equipment on all models. Contouring — Grind difficult, hard to reach areas with the 3-inch by 2-inch or 1- 1/2 inch by 2-inch diameter contact wheels. Contours and shapes unique parts like propellers and metal furniture. OPTIONAL FEATURES Internal contouring — The air-cushioned dead head is for use on very small radius grinding. When connected to a source of shop air (80-90 psi), the belt rides on a cushion of air to decrease head and belt wear. The dead head is easy to use, and adapts to any of the available radius tips. Internal contouring with small wheel — This small wheel accessory is designed for hard to reach places. Includes 5/8-inch, 70 durometer contact wheel. Available contact wheels are 1/2-inch, 3/4- inch, and 1-inch. Polishing — The buffing pad is perfect for satin finish or high gloss polishing. The fine, close stitched burring pads are ideal for metal and plastic Finishing — The nylon reinforced, silicone carbide wheel is perfect for polishing and deburring. It applies a high luster finish on rough surfaces and is excellent for steel, iron, or aluminum. 10 Maintenance Cleaning Shutoff the machine before cleaning. Keep the exterior of the machine clean and free of chips. Use a brush for cleaning. Periodically empty grinding dust and particles from the dust collection system. Lubrication Lubrication of the grinder is not required. The drive motor and contact wheel are fitted with sealed bearings. Replacement of Contact Wheel WARNING: BE SURE TO SET ON/OFF SWITCH TO OFF TO AVOID PERSONAL INJURY. 1. Refer to Figure 5. Lower the tension lever to release belt tension. 2. Loosen upper guard knob and swing guard back for clearance. 3. Loosen the contact wheel shaft clamping screw on the head casting. 4. Remove the contact wheel assembly. 5. Remove retaining rings from wheel shaft. 6. Remove shaft and wheel bearings. 7. Install bearings in replacement contact wheel. 8. Install shaft and secure with retaining rings. 9. Install contact wheel shaft in head casting. 10. Tighten clamping screw. 11. Lift tension lever to set belt tension. 12. Lower and adjust position of upper guard. Tighten the upper guard knob. Figure 5: Replacement of Contact Wheel Installation of Platen WARNING: BE SURE TO SET ON/OFF SWITCH OFF TO AVOID PERSONAL INJURY. 1. Refer to Figure 6. Lower the tension lever to release belt tension. 2. Loosen upper guard knob and swing guard back for clearance. 3. Loosen the contact wheel shaft clamping screw on the head casting. 4. Remove contact wheel (see Replacement of Contact Wheel). 5. Install pivot shaft of platen in head casting. Position platen as desired. A. For grinding flat or angular work pieces, position the platen with the platen surface facing outward. B. For grinding of cylindrical work pieces, position the platen with the “yoke” side facing outward. C. Set at desired angle. 6. Tighten clamping screw. 7. Lift tension lever to set belt tension. 8. Lower and adjust position of upper guard. Tighten the upper guard knob. Figure 6: Installation of Platen Upper Guard Upper Guard Knob Clamping Screw Contact Wheel Head Casting Tension Lever Platen Clamping Screw Pivot Shaft Work Rest Replacement of Grinding Belt WARNING: DO NOT OPERATE THE MACHINE WITH THE SIDE PANEL OPEN. DISCONNECT ELECTRICAL POWER TO THE MACHINE BEFORE PERFORMING ANY MAINTENANCE. 1. Refer to Figure 7. Lower the belt tension lever to release tension on the belt. 2. Loosen the knob on the left side of the machine and raise upper guard. Turn the knob on the side panel and lower the side panel. 3. If required, loosen work rest to provide clearance for belt removal. 4. Remove the belt from the drive wheel, idler wheel, and contact wheel. Install the replacement belt over the drive wheel, idler wheel, and contact wheel. 5. Raise the belt tension lever to tighten the belt against the wheels. Tighten the belt until it is just taut. A moderate tension will provide faster cutting, longer belt life, and better tracking. Do not over-tension the belt. 6. Check belt tracking by spinning the drive wheel by hand. Adjust trac...

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