29 | P a g eDG65M-R62Maintenance scheduleRegular service period (1)Perform at indicated intervals BeforeeachuseWeekly FirstmonthEvery threemonthsEvery sixmonthsEvery yearStart engineEngine oil* Check (5)Change (5) (5)Air filter* Check (5)Clean (2)Spark plug* Clean/adjust (5)Replace (5)Idle speed* Check/adjust (3)Spark arrestor*(optional part)Clean (3)Fuel tankand filter*Clean (3)Valve clearance Check/adjust (3)Combustionchamber*Clean/adjust (3)Cylinder* Clean (3)Fuel line* Serviced (4)NOTE: PLEASE REFER TO ENGINE MANUAL FOR DETAILED MAINTENANCE SCHEDULE FORALL ENGINE MAINTENANCE.* Emission-related itemsInformation about refueling can be found in the “Fuel Requirements” section.Important maintenance considerations:(1) When used for commercial or heavier use, maintenance may be required at more frequentintervals.(2) Service more frequently when used in dusty areas.(3) These items should be serviced by an Authorized Service Dealer.(4) This should be serviced by an Authorized Service Dealer every three years.(5) Refer to engine manual for service of this item.NOTE: Failure to follow this maintenance schedule could result in non-warrantable failures