Remove the blade from the mower and check for bends and cracking; if either is present, the blade needs to be replaced. We mow rocks up here in Susqueanna Co. PA so we have to pay more attn. The last thing you want to hear when you set out to mow your lawn is knocking from your engine. Most likely your blade is out of balance. In this post, we review some of the unhealthy sounds that your mower might make, as well as how you can fix them yourself. The motor is in perfect condition and fun smoothly but when I engage the blades it makes alot of noise. Hole is about 3/4" . There are idler pulleys that have bearings as well that could cause noise but probably not the vibration. If the PTO switch is defective, replace it. Craftsman LT1000 riding mower, model 917.272761 About 5 years old, nothing but oil changes done on it Started having issues when lawn got high while I was away. Have you inspected the blades to ensure one or both are not bent or an obstruction under the deck? If this isn't it, maybe it is loose on the hub, or if it is one of those universal blades, it has spun off center. Reading these posts I concluded the problem was in the rear drive wheels. or the bearings in the belt tensioner are bad. When engaging the blades, there was a grinding metallic sound, and white … read more The noise is still there, but I can't find anything that is messed up. If your mower begins to vibrate excessively, stop the engine immediately. My Kubota 60" mower deck started making a grinding/vibrating noise when deck is on the ground. Article Number. I purchased it used and had it one year. Permalink; History; Subscribe; Unsubscribe; Why does my engine die when the blade is engaged. Blades aren't touching. I have done regular maintenance on the tractor. It doesn't vibrate, it is just louder than it used to be. The fan is very important; your computer (hardware inside) can fry if it is not being cooled properly. Lawn Tractors. As a result, the clutch won’t engage, and the lawn mower blades won’t rotate. How much vibration should I expect through the seat, and the steering wheel when the twin blades are engaged? I would remove the deck and inspect the blades and the spindles. briggs. Options . Blades aren't touching. Lawn mower makes an intermittent very loud screatching noise when in use. The mower is a Briggs and Stratton Sprint 375. To determine if the switch is defective, use a multimeter to test it for continuity. Husqvarna manufactures zero-turn lawn mowers, riding mowers, lawn tractors and push mowers. I have a cub cadet LT 1045 riding lawn mower. Golf & Sports Turf. It sounds like all the mandrel bearings are worn out. The belt has definite damage in an area and needs to be replaced, however with it being 9 oclock at night and all stores closed i reattached the damaged belt to try and identify if my only problem was the belt or something more serious. Runs for about 20 minutes and then stops running. How do you think about the answers? I immediately shut it off. Good time to clean everything and sharpen the blades. If the engine dies when the cutting deck is engaged, there is likely one of the following three possible scenarios: The riding mower is in a reverse gear. The vibration is a result of uneven weight distribution at either end of the blade while it spins (the same way a washing machine with a load that is distributed unevenly will knock around and make more noise than usual). It starts making a loud noise when they become engaged. Mower deck not leveled properly. It could be one of the idler or tensioner pulleys also. History. I also had a grinding noise and loss of drive on my Toro 20333 Personal Pace mower. Hole through deck on the ground n't engage the blade, worn pulley mandrel. Of noise PIN ( 060001- ) Introduction product Identification... engine rpm not at wide throttle. Noise is still there, but it was a slight wobble in it all... 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