Walker MT, MTL, MTEFI, MTLEFI Owner's Manual

Also see for MT, MTL, MTEFI, MTLEFI: Detailed instructions Owner's manual Owner's manual

Contents

82Maintenance Instructions REPLACING/REPAIRINGMower BladesMower blades are removed and remounted as de-scribed in Sharpen Mower Blades instructions.During the course of sharpening and inspectingmower blades, if there are any of the followingconditions of wear or damage, blades should bereplaced for reasons of safety and performance ofthe machine:• An excessive amount of the flat section of theblade has been ground away (removed) when theblade is sharpened. Replace the blade when lessthan a 3/4 in. (19 mm) flat section remains at theblade tip.• Examine ends of the blade carefully, especiallythe intersection where the flat section of the bladeturns up to form the “wing tip” (refer to Mower BladeProfile for Sharpening illustration in SharpenMower Blades instructions). Since sand and abra-sive material can wear metal away in this area, theblade should be replaced when metal thicknesshas worn to 1/16 in. (1.6 mm) or less.• Check the blades for straightness by markingblade tip position inside the deck housing and thenrotating the opposite end of the blade to the sameposition and comparing. If the difference in blade tiptrack is more than 1/8 in. (3 mm), the blade is bentand should be replaced.• Inspect the blade surface, especially in formedareas, for cracks. Replace the blade if any cracksare found.Reinstall the blades following procedure inCHECKING/SERVICING for Sharpen MowerBlades instructions. If blades are replaced, alwaysuse Walker original equipment blades to ensuresafety and optimum performance. The quality andperformance of replacement blades offered byother manufacturers cannot be guaranteed, theycould be dangerous.DANGERWhen blades are operated over sandysoil, and if blades are allowed to wear, a“slot” may be worn into the wing tip ofblade. Eventually a piece of the blade maybreak off creating a serious potential forinjury or damage.WARNINGDO NOT try to straighten a blade that isbent. NEVER weld a broken or crackedblade. ALWAYS replace with a new bladeto assure safety.CAUTIONALWAYS use genuine factory replacementparts. Substitute parts CAN result in prod-uct malfunction and possible injury to theoperator.