A riding lawnmower typically has two blades. Take an adjustable wrench or the correct size box wrench and tighten the bolt that holds the blade to the engine shaft. To tighten it, turn it clockwise. Set the mower back up straight and reconnect the spark plug to the lawn mower.
How do you fix a loose lawn mower blade?
Loose lawnmower blades are unsafe and cause damage to your mower. Mower blades must be securely fastened to the mower shaft. The best way to tighten your lawnmower blades is with a torque wrench. Torque wrenches have a gauge showing how many foot pounds of pressure you use to tighten the securing nut.
Which way do you turn a lawn mower blade to tighten?
Be sure to fit the replacement blade into the blade adapter with the correct side facing up and replace the washers in the original order. Tighten the blade retaining bolt by turning it to the right, or clockwise, to a torque of 30 foot-pounds or the torque value specified in your mower manual.
Are lawnmower blades supposed to be loose?
Should mower blades move? The blades should not be really loose, they should be firm to move amd not that tight that you cannot move them. The reason for the blades being able to move is because if they hit an object they will swing back (so they don’t break) and then return to the correct position in operation.
How do I know if my lawn mower blade is loose?
Lawn mower blades are connected to your lawn mower with a single bolt into the engine shaft. Over time it’s possible that they can become loose. If you are mowing your grass and you hear a rattling sound coming from where the blade is, chances are your lawn mower blade could be loose.
What happens if you over tighten mower blades?
Can You Overtighten a Lawn Mower Blade? Unfortunately, you can overtighten your mower’s blade if you aren’t careful. This can damage the blade itself in some cases – the blade can even break after hitting a hard object if it’s overly tight.
How much does it cost to tighten a lawn mower blade?
The owners manual recommends torquing the blade bolt to 35-40 ft. lbs. If you have a torque wrench it is good to use it. If a torque wrench is not available, use a wrench around 12-15 inches long and tighten the bolt as tight as you can get it.
How sharp should a lawn mower blade be?
How Sharp Should Your Mower Blade Be? Mower blades should be aggressively sharp, but not as sharp as a razor’s edge. You should be able to touch the blade with your hand without getting cut. Contrary to popular belief, a lawn mower blade with a razor sharp edge will not cut grass better.
Are riding mower blades reverse thread?
Most lawnmower blade nuts are reverse-threaded in order to secure the blade on the drive shaft of the engine. This ensures that the blade’s rotation does not loosen the nut. However, not all blades use a reverse-threaded nut to secure them to the engine’s drive shaft.
Do I really need a torque wrench for lawn mower blade?
Most mowers will not require using a torque wrench. The biggest benefit in using a torque wrench for the average mower will be not only to ensure you have the blade tight enough, but that you don’t tighten it so much that you can’t remove the bolt later. Blade bolts can tighten with use.
Why did my mower blades stop working?
If your mower blades will not turn after the blade controls have been engaged, your deck belt may be broken. The deck is located directly under the operators seat. This belt spins the mowers blades and runs through a pulley system of idlers. … If the belt has snapped, it will need to be replaced.
Do lawn mower blades turn clockwise or counterclockwise?
Most lawn mower blades rotate in a clockwise direction (counter-clockwise when viewed from below), and as such have the cutting edge on the right side. If you are unsure of how your mower rotates, check the position of the discharge chute; if it is on the right side angled back, the blade turns clockwise.
Why is my lawnmower blade loose?
If you don’t have the key in the slot or the key is broken the blade will come loose. Some adapters have the key built into the adapter. I am with Rivets on this, damaged or faulty blade adapter installation, also the fly wheel key could be sheared causing the mower to kick back.