Walker MS Operator's Manual

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Maintenance Instructions LUBRICATION44LUBRICATIONWARNINGDO NOT attempt to lubricate the machinewith the engine running. Disengage thePTO clutch, shut off the machine, and re-move the ignition key.Proper lubrication is an important maintenance pro-cedure. It reduces wear and makes the machinequieter and easier to operate.Engine OilEngine Break-In OilNo special break-in oil is required. The engine isserviced with 10W-30, Service Class SG oil from thefactory. Change the oil after the initial engine break-in period of 8 hours. Thereafter, change oil afterevery 50 hours of operation.Checking Engine Crankcase Oil LevelCheck the engine crankcase oil level before use andafter each 5 hours of continuous operation.IMPORTANT: The importance of checking andmaintaining the proper crankcase oil level cannot beoveremphasized. Check the oil level BEFOREEACH USE.1. Park the mower on a level surface with theen gine stopped. Also, make sure the engineis cool and oil has had time to drain into thesump (allow at least five (5) minutes afterstopping the engine).IMPORTANT: NEVER check or add oil with theengine running.2. Before removing the dipstick, clean the areaaround the dipstick opening in the engine blockto keep any dirt or debris out of the engine.3. Unscrew and remove the filler plug/dipstick andwipe off with a clean rag. Insert dipstick intofiller hole but DO NOT screw it in to check theoil level. Remove the dipstick and check thelevel. The oil level should be within the saferange (between the H and L marks on the dip-stick).IMPORTANT: DO NOT operate engine withouta sufficient oil supply in the crankcase. DO NOToperate with oil level below the LOW (L) mark orabove the FULL (H) mark on the dipstick.NOT SCREWED IN Filler PlugFULL (H) MarkLOW (L) MarkDipstick Positionfor Checking Oil LevelFULL (H)MarkLOW (L)MarkDipstick Operating Range4. If additional oil is needed, refer to Specificationsfor proper crankcase lubricant. Fill to the FULL(H) mark.IMPORTANT: DO NOT overfill crankcase [oilabove FULL (H) level] as this CAN result in en-gine overheating, loss of power, and possibleengine damage.