21Section 2: Maintenance & Lubrication10/11/06 ZT60 and ZT72 Zero Turn Radius Mowers Riding Mowers Accu-Z ® 357-103SMLand Pride6. Remove spark plugs and pour a tablespoon ofengine oil into each spark plug hole. Install plugs, butdo not reconnect plug leads.7. Crank engine with starter at least a dozen revolutionsto distribute oil over cylinder walls and valvemechanism.8. Clean exterior surface of engine. Spread a light filmof oil over any exposed metal surfaces of engine thatare subject to corrosion.9. Clean dirt and chaff from cylinder fins, blowerhousing and muffler.10. Check oil filler cap and fuel tank cap to make certainthey are securely in place.New Season PreparationThe following service is required before starting themower after storing it for a season:1. Clean mower, removing trash and dirt accumulation.2. Check engine oil level.3. Tighten any bolts that have loosened and make sureall hair pins, cotter pins and clevis pins are in place.4. Install all safety shields and review safetyprecautions listed in this manual.5. Check and inflate tires to 8-12 psi.6. Fill fuel tank with fresh gasoline.7. Reconnect spark plug leads to spark plug.8. Run machine at half speed for 5 minutes, checkingoperation of the control levers. Stop engine andcheck for oil leaks, loose fittings and so forth.IMPORTANT: Do not use a high pressure washeron or around the hydraulic pumps and motors. Waterintrusion will result and void the pump and motorwarranty.