18WARNINGMoving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from allopenings. Always stop engine, disconnect spark plug, and make sure all moving parts have come to a completestop before removing obstructions, clearing debris, or servicing unit. Allow unit to cool before performing service.Wear gloves to protect hands from sharp edges and hot surfaces.maIntenancemaIntenance IntervalsYour ECHO trimmer is designed to provide many hours of trouble free service. Regular scheduled maintenance will helpyour trimmer achieve that goal. If you are unsure or are not equipped with the necessary tools, you may want to takeyour unit to an ECHO Service Dealer for maintenance. To help you decide whether you want to DO-IT-YOURSELF orhave the ECHO Dealer do it, each maintenance task has been graded. If the task is not listed, see your ECHO Dealer forrepairs.skIll levelsLevel 1 = Easy to do. Common tools may be required.Level 2 = Moderate difficulty. Some specialized tools may be required.ECHO offers REPOWERTM Maintenance Kits and Parts to make your maintenance job easier.COMPONENT/SYSTEMMAINTENANCEPROCEDUREREQ'DSKILLLEVELDAILY ORBEFOREUSEEVERYREFUEL3 MONTHSOR 90HOURSYEARLY600 HOURSAir Filter Inspect/Clean 1 I / C * R *Choke Shutter Inspect/Clean 1 I / CFuel Filter Inspect/Replace 1 I * I / R *Fuel Cap Gasket Inspect/Replace 1 I * R *Fuel System Inspect/Replace 1 I (3) * I (3) *Spark Plug Inspect/Clean 1 I / C / R *Cooling System Inspect/Clean 2 I / CMuffler Spark Arrestor Inspect/Clean/Replace 2 I / C / R *Cylinder Exhaust Port Inspect/Clean/Decarbon 2 I / CDrive Shaft (Flex CableModels) Grease 2 I (1)Gear Housing Grease 2 I (2)Recoil Starter Rope Inspect/Clean 1 I / C *Screws/Nuts/Bolts Inspect/Tighten/Replace 1 I *(2) Apply POWER BLENDX TM grease every 50 hours of use.(3) Low evaporative fuel tanks DO NOT require regular maintenance to maintain emission integrity.* Replacement is recommended based on the finding of damage or wear during inspection.MAINTENANCE PROCEDURE LETTER CODES: I = INSPECT, R = REPLACE, C = CLEANIMPORTANT NOTE - Time intervals shown are maximum. Actual use and your experience will determine thefrequency of required maintenance.MAINTENANCE PROCEDURE NOTES:(1) Apply POWER BLENDX TM grease every 25 hours of use.