Echo SRM-266U Operator's Manual

Also see for SRM-266U: Operator's manual

22maIntenance IntervalsCOMPONENT/SYSTEMMAINTENANCEPROCEDUREREQ'DSKILLLEVELDAILY ORBEFOREUSEEVERYREFUEL 3 MONTHS YEARLYAir 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 *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 BLENDXTM grease every 25 hours of use.(2) Apply POWER BLENDXTM 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.