User manual MTD MAC 3818

[. . . ] 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. [. . . ] Before operating the unit, stand in the operating position. Check for the following: • The operator is wearing eye protection and proper clothing • With a slightly-bent right arm, the operator’s right hand is holding the shaft grip • The operator’s left arm is straight, the left hand holding the D-handle • The unit is at waist level • The cutting attachment is parallel to the ground and easily contacts the grass without the need to bend over NOTE: Do not rest the bump knob on the ground while the unit is running. CAUTION: Do not remove or alter the line cutting blade assembly. Excessive line length may make the unit overheat. 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. In order to assure peak performance of your engine, inspection of the engine exhaust port may be necessary after 50 hours of operation. If you notice lost RPM, poor performance or general lack of acceleration, this service may be required. If you feel your engine is in need of this inspection, refer service to any non-road engine repair establishment, individual or authorized service dealer for repair. DO NOT attempt to perform this process yourself as engine damage may result from contaminants involved in the cleaning process for the port. MAINTENANCE REQUIRED Fill fuel tank with fresh fuel Clean and re-oil air filter Check and clean spark arrestor Check spark plug condition and gap Inspect exhaust port and spark arrestor screen for clogging or obstruction to assure maximum performance levels REFER TO Page 8 Page 13 Page 14 Page 16 Page 14 Every 50 hours Line Installation This section covers both SplitLine™ and standard single line installation. Using line other than the specified may make the engine overheat or fail. WARNING: Never use metal-reinforced line, wire, chain or rope. These can break off and become dangerous projectiles. There are two methods to replace the trimming line: • Wind the inner reel with new line • Install a prewound inner reel Figure 12 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. [. . . ] Any replacement part that is equivalent in performance or durability may be used in non-warranty maintenance or repair and will not reduce the warranty obligations of the manufacturer • The following components are included in the emission related warranty of the engine, air filter, carburetor, primer, fuel lines, fuel pick up/ fuel filter, ignition module, spark plug and muffler. 19 MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTD LLC (“MTD”) with respect to new merchandise purchased and used in the United States, its possessions and territories. MTD warrants this product against defects in material and workmanship for a period of two (2) years commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship. 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. [. . . ]