16 — EnglishMAINTENANCEObserve regular maintenance intervals to ensuremaximum performance and life from the pressurewasher. Refer to the schedule for recommendedmaintenance. If you operate the pressure washer industy conditions, perform maintenance checks moreoften.ENGINE OIL CHANGING INSTRUCTIONSBefore tipping the engine orequipment to drain oil, drain fuelfrom the fuel tank.NOTE: Change oil while the engine is cool.1. Disconnect the spark plug wire from the sparkplug.2. Locate and remove the engine oil drain plug (seeFigure 18).3. Drain old oil.4. Replace the drain plug and set the unit upright.5. Refill the unit with new oil of a recommendedtype and quantity. Fill the unit to the properlevel shown on the dipstick (if provided).Otherwise, fill the unit to the top of the oil fillerneck.! CAUTIONFigure 16Model 5525PW - Engine Oil Drain PlugModels 1340PW, 6027PW, and 9032PW - Engine OilDrain PlugEngine Oil Type SAE 10W-30SAE 30W (Above 60 °F/15.7° C)Engine Oil Capacity5525PW - Honda GCV160 - 18.6 fl. oz. (0.550 L)6027PW - Honda GX160 - 20 fl. oz. (0.591 L)9032PW - Honda GX270 - 37 fl. oz. (1.090 L)1340PW - Honda GX390 - 37 fl. oz. (1.090 L)