Yard-Man 12A-559K401 Operator's Manual

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Yard-Man 12A-559K401 Operator's Manual Manual pdf 12 page image

12SECTION 8: MAINTAINING YOUR LAWN MOWERWARNING: Always stop the engine anddisconnect the spark plug wire beforeperforming any maintenance work oradjustments on your lawn mower.Cleaning MowerThe underside of the mower deck should be cleanedafter each use to prevent any build-up of grassclippings, leaves, dirt, or other debris. If this debris isallowed to accumulate, it will result in rust andcorrosion.NOTE: We do not recommend the use of pressurewashers or garden hose to clean your unit. They maycause damage to electric components, spindles,pulleys, bearings, or the engine. The use of water willresult in shortened life and reduce serviceability.• Disconnect spark plug wire.• Drain the gasoline from the lawn mower, or place apiece of plastic under the gas cap.• Tip the mower so that it rests on the housing. Keepthe side with the air cleaner facing UP. Hold themower firmly.• Scrape and clean the underside of the deck with asuitable tool. Do NOT spray with water.• Put the mower back on its wheels on the ground. Ifyou had put plastic under the gas cap, make sure toremove it now.WARNING: Never tip the mower more than90 degrees in any directions and do notleave the mower tipped for any length oftime. Oil can drain into the upper part of theengine causing a starting problem.Engine Maintenance• A list of key maintenance jobs required for goodperformance by the mower is given below. Followthe accompanying engine manual for detailed listand instructions.• Change engine oil after the first two operatinghours and every 25 operating hours thereafter.Check the oil level before starting the engine everytime.• Service foam filter in the air cleaner every 25 hoursof use and replace the paper filter component every100 hours. You may have to service the air filtermore frequently if you are operating the mowerunder extremely dusty conditions.• Clean the engine periodically. Remove dirt anddebris with a cloth or brush.• Clean the spark plug and reset the gap to .030” atleast once a season or every 50 hours of operation.Spark plug replacement is recommended at thestart of each season. Refer to the engine manualfor correct spark plug type.• Inspect muffler periodically, and replace ifnecessary. Damaged mufflers or spark arresterscan create a fire hazard. Make sure to avoid mufflerand surrounding areas while the mower engine ishot because temperature of these areas of theengine may exceed 150 o F.LubricationWheels• Lubricate the wheels and bearings, if so equipped,at least once a season with light oil or engine oil.Also, if the wheels are removed for any reason,lubricate the surface of the axle bolt and the innersurface of the wheel with light oil.Chute Deflector & Rear Discharge Door• Lubricate the torsion spring and the pivot point oneach end of the chute deflector and the reardischarge door using a light oil. This will preventrusting and ensure that the deflector, which is asafety device, can always work properly.Engine• Follow the engine manual instructions andrecommended schedule for lubricating enginecomponents.Transmission• The transmission is pre-lubricated and sealed atthe factory and does not require lubrication on aregular basis as part of maintenance. However, ifyou disassemble the transmission for any reason,refill with two ounces of Alvania grease (part # 737-0168) as part of reassembly.