74Maintenance Instructions CHECKING/SERVICINGRadiator Hoses and Clamps - MTLInspect the radiator hoses every 200 hours for de-terioration or damage. Also check the tightness ofthe hose clamps. Good preventive maintenancecalls for complete replacement of the radiator hos-es and clamps every two (2) years.Blade Brake ActionCheck the function of the cutter blade brake (andblower brake on GHS models) by engaging the bladeclutch (PTO), operating the engine at full throttle, thendisengaging the clutch and measuring how quicklythe blades stop. Watch the rotation of the blade driveshaft and blower pulley as a visual indication thatmovement has stopped. If the brake is workingproperly, all rotation will stop five (5) seconds af-ter disengagement of the clutch. If the brake sys-tem malfunctions - blades do not stop in five (5)seconds - adjust or repair the brake before operatingthe mower.PTO U-JointsThe PTO U-joints should be inspected yearly forlooseness and wear. If either is noticed, the respec-tive shaft or tube should be replaced. A worn U-jointcan cause vibration and extensive damage to thePTO and deck gearboxes.WARNINGIt is important to check and maintain bladebrake action for safe operation of the ma-chine.
