User manual MTD MAC 3212

[. . . ] The information on the model plate is very important if you need help from our Customer Support Department or an authorized dealer. € You can locate the model number by looking on the engine. a sample model plate is shown and explained below. For future reference, please copy the model number and the serial number of the equipment in the space provided. [. . . ] Some line breakage will occur from: • Entanglement with foreign matter • • • Normal line fatigue An attempt to cut thick, stalky weeds Forcing the line into objects such as walls or fence posts Tips for Best Trimming Results • • • For best trimming results, operate unit at full throttle. Keep the cutting attachment parallel to the ground. Allow the tip of the line to do the cutting, especially along walls. Cutting with more than the tip will reduce cutting efficiency and may overload the engine. Cut grass over 8 inches (200 mm) tall by working from top to bottom in small increments to avoid premature line wear or engine drag. Cut from right to left whenever possible. Cutting to the left improves the unit's cutting efficiency. Clippings are thrown away from the operator. Slowly move the trimmer into and out of the cutting area at the desired height. € • • Figure 14 Adjusting Trimming Line Length The Bump Head™ cutting attachment allows you to release trimming line without stopping the engine. To release more line, lightly tap the cutting attachment on the ground while operating the trimmer at high speed. There are two methods to replace the trimming line: • Wind the inner reel with new line • Install a prewound inner reel Figure 17 Bolt Bump Knob Winding the Existing Inner Reel 1. Hold the outer spool with one hand and unscrew the bump knob counterclockwise. Inspect the bolt inside the bump knob to make sure it moves freely. Remove the inner reel from the outer spool. Use a clean cloth to wipe the inner reel, spring, shaft, and inner surface of the outer spool. figure 18 Outer Spool Spring Inner Reel 12 SECTION 7: MAINTENANCE AND REPAIR INSTRUCTIONS 5. Check the indexing teeth on the inner reel and outer spool for wear. If necessary, remove burrs or replace the reel and spool. Wind the lines in tight even layers onto the reel. Wind the line in the direction indicated on the inner reel. Place your index finger between the two lines to stop the lines from overlapping. [. . . ] This limited warranty shall only apply if this product has been operated and maintained in accordance with the Operator’s Manual furnished with the product, and has not been subject to misuse, abuse, commercial use, neglect, accident, improper maintenance, alteration, vandalism, theft, fire, water or damage because of other peril or natural disaster. Damage resulting from the installation or use of any accessory or attachment not approved by MTD for use with the product(s) covered by this manual will void your warranty as to any resulting damage. This warranty is limited to ninety (90) days from the date of original retail purchase for any MTD product that is used for rental or commercial purposes, or any other income-producing purpose. hOW TO OBTAIN SERVICE: Warranty service is available , WITH PROOF OF PURCHASE THROUGH YOUR LOCAL AUTHORIZED SERVICE DEALER. [. . . ]