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Have your ECHO dealer repair stop switch before using trimmer again. NOTE Refer to the Grass Trimmer / Brush Cutter Safety Manual for proper and safe trimming techniques. GRASS TRIMMER OPERATOR'SMANUAL19 MAINTENANCE WARNING DANGER Do not perform maintenance on engine or muffler until engine and muffler are completely cool, otherwise serious personal injury may result. Your ECHO trimmer is designed to provide many hours of trouble free service. Regular scheduled maintenance will help your trimmer achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to take your unit to an ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF or have the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed see your Echo dealer for repairs. SKILL LEVEL Level 1 = Easy to do. Most required tools come with unit. Level 2 = Moderate difficulty. Some specialized tools may be required. Level 3 = Experience required. Specialized tools are required. ECHO offers REPOWER Maintenance Kits and Parts to make your maintenance job easier. Just below each task heading are listed the various part numbers required for that task. See your ECHO dealer for these parts. MAINTENANCE INTERVALS Component/System Maintenance Procedure Daily or Before Use Every Refuel 3 Months or 90 Hours 6 Months or 270 Hours Yearly Air Filter Inspect / Replace I / C R * Fuel Strainer Inspect / Replace I R Fuel Line Inspect / Replace I I Carburetor Inspect / Clean / Replace I / C R (1) Choke System Inspect / Clean / Replace I / C Cooling System Inspect / Clean I / C Muffler Spark Arrestor Inspect / Clean I / C Drive Shaft (Flex Cable Models) Grease I (2) Gear Housing Grease I Starter Rope Inspect / Clean I Fuel Leaks Inspect / Repair I I Spark Plug Clean / Replace I / C R * Screws/Nuts/Bolts Inspect / Tighten / Replace I C = Clean/= ReplaceR/I = Inspect IMPORTANT Time intervals shown are maximum. Actual use and your experience will determine the frequency of required maintenance. (1) Replacement will be required for commercial use yearly. For Consumer use, cleaning every 6 months is required. Cleaning includes Rebuild Kits. (2) Apply ECHO® LUBETM every 25 hours of use. *All recommendations to replace are based on the finding of damage or wear during inspection. 20 20 AIR FILTER Level 1. Tools required: Cleaning brush, 25 - 50 mm (1 or 2 in.) medium bristle paint brush. Parts required: Air Filter P/N 13031054130 1. Close choke (Cold Start Position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from the air cleaner area. 2. Remove the air cleaner cover. Clean and inspect the element for damage. If element is fuel soaked and very dirty, replace. 3. If element can be cleaned and reused, be certain it: -still fits the cavity in the air cleaner cover. -is installed with the original side out. NOTE Carburetor adjustment may be needed after air filter cleaning/ replacement. See Carburetor Adjustment Section. FUEL FILTER Level1. Tools required: Fuel line hook, 203-254 mm (8-10 in.) length of wire with one end bent into a hook. Clean rag, funnel, and an approved fuel container. Parts required: Fuel Filter P/N 13120507320 WARNING DANGER Fuel isVERY flammable. Use extreme care when mixing, storing or handling. 1. Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank. 2. Use the “fuel line hook” to pull the fuel line and filter from the tank. 3. Remove the filter from the line and install the new filter. GRASS TRIMMER OPERATOR'SMANUAL21 SPARK PLUG Level2. Tools Required: Spark Plug socket wrench and screw driver, Feeler gauge. Preferably a wire gauge. Parts Required: Spark Plug, GT-2000 NGK BPMR-7A GT-2400 CHAMPION RCJ-7Y 1. Remove spark plug and check for fouling, worn and rounded center electrode. 2. Clean the plug or replace with a new one. DO NOT sand blast to clean. Remaining sand will damage engine. 3. Adjust spark plug gap by bending outer electrode. 4. Tighten spark plug to 145-155 kg/cm (125-135 in. lb.). 0.65 mm (0.026 in.) COOLING SYSTEMS CLEANING Level2. Tools required: Cross Head Screwdriver, 3 mm Hexagon wrench, Pointed Wood Stick, Cleaning Brush, 25 - 50 mm (1 or 2 in.) medium bristle paint brush. Parts Required: None. IMPORTANT To maintain proper engine operating temperatures, cooling air must pass freely through the cylinder fin area. This flow of air carries combustion heat away from the engine. Overheating and engine seizure can occur when: • Air intakes are blocked, preventing cooling air from reaching the cylinder. • Dust and grass build up on the outside of the cylinder. This build up insulates the engine and prevents the heat from leaving. Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance”. Any failure attributed to lack of maintenance is not warranted. 1. Remove spark plug lead and throttle linkage end from the carb...