Lawn Mower blades

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10 years 7 months ago #29501 by 3 girls farming
I've got a Masport lawnmower with those short blades (2) attached to a round middle bit of metal (what a wonderfully technical description... I'm a bit challenged on this as you can probably tell.. )

After many hours of use the blades are really looking shocking and just ripping the grass off rather than cutting it... .. can I remove them and get them sharpened or do I just go buy new ones??? any idea of the cost of either option???

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10 years 7 months ago #400769 by clarry
Replied by clarry on topic Lawn Mower blades
Make sure you disconnect the spark plug lead from the spark plug & make secure so it can't accidently come back into contact with the plug before attempting any work on underside of your lawnmower :)

Most bar or drum tractor mounted type mowers have a knife (short blade) that can be unbolted & reversed to provide a new edge

If the 2 knifes on your mower can be removed you will see if they are able to be turned over, if not since you've got them off quick swipe over a grinder or bit longer with a file, if they real bad grinder be best. Sharpening should cheapest option

Mower shop or small engineer workshop if not got the gears at home

Just don't turn the blade while you still have spark connected ;)

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10 years 7 months ago #400774 by Organix
Replied by Organix on topic Lawn Mower blades
What you're describing is a "flail blade" system, the same as on our Victa mowers. You'll probably find that the replacement price makes sharpening the old ones impractical. Also new ones will be balanced whereas if you sharpen them this probably won't be the case. You should also be supplied new fitting bolts as part of the new blade kit as the old ones can weaken over time.

Be prepared for a surprise when you compare new ones to what's left of the old ones [:0]

Harm Less Solutions.co.nz
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10 years 7 months ago #400784 by Xartep
Replied by Xartep on topic Lawn Mower blades
I have found that it is best to get another set of blades, they are reasonably cheap and easy to install.

As has been said you will be amazed by the difference between the old and new.

3 Cocker Spaniels, 1 Huntaway, 3 Cats, Goats, Sheep, Pigs, Cows, Ducks, Chickens, Bunnies - small petting zoo?:rolleyes::cool:

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10 years 7 months ago #400804 by Shropshire Blue
Replied by Shropshire Blue on topic Lawn Mower blades
Yup get some new ones , your grass will love you for them :D

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10 years 7 months ago #400923 by Rod Brown
Replied by Rod Brown on topic Lawn Mower blades
My new ones about $8 a set of two, with the bolts and washes a bit more

Now sold block, of no fixed abode, building new house. Darling wife has passed 1 year ago.

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10 years 7 months ago #400925 by Stu_R
Replied by Stu_R on topic Lawn Mower blades
yep agreed new ones cheaper and easier than get sharpen :)
:) and am sure your smart enough to change them over ( girls can do anything ) and they are easy to do to.. um i found out the hard way that new ones were cheaper than getting sharpen :(

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Olive trees , .. old bugger doing the best he can with no money or land :)

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10 years 7 months ago #401067 by sod
Replied by sod on topic Lawn Mower blades
I go with above even though we could sharpen them, as the bolts are often damaged so hard to get off and need replacing too, plus as said they are balanced and you can damage bearings on shaft if unbalanced $$$$$$$$$$$ :D

Having time is a measure of enthusiasm:rolleyes:

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10 years 7 months ago #401077 by 3 girls farming
Replied by 3 girls farming on topic Lawn Mower blades
after having the hard word from my brother (a lawn mower man in Auckland) I've decided not to risk having one fly off and take off my foot (god I hope he's exagerating) so the lawn mower is off to the Ashhurst Lawnmower centre on Friday morning (ready for a full on lawn mowing weekend!!!)... I imagine I could do it.. but I won't...

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10 years 7 months ago #401175 by sod
Replied by sod on topic Lawn Mower blades
3GF great idea I think as we have found that sometimes the bolts need to be cut off All the best with the lawns :) :)

Having time is a measure of enthusiasm:rolleyes:

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10 years 7 months ago #401197 by Hawkspur
Replied by Hawkspur on topic Lawn Mower blades
According to a professional mower I know, the blades should be kept sharp, with a maximum time of 8 hours mowing between each sharpening for most mowers of this type. You don't want to be replacing the blades this often![:0][;)]
The sharpening should not need to be a heavy grind at this interval, so should not affect balance any more than wear does, and really should improve it.

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10 years 7 months ago #401271 by canajanz
Replied by canajanz on topic Lawn Mower blades
When we were running a mowing business we didnt sharpen ours that often!
Running maintenance meant giving them a flick over with a file every 20 hrs or so and then grinding them when there were obvious pieces chewed out of them (hate clients who leave things in long grass)
No matter who grinds them they then need to be balanced ... properly

Flail blades are a whole nuther story asthey are so small in relation to the areaof the spinning disc. Unless you are doing significant grinding on just ONE of them it's not usually much of a problem
But the DO need to be sharp or you are just ripping the grass

canajanz

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10 years 7 months ago #402623 by 3 girls farming
Replied by 3 girls farming on topic Lawn Mower blades
just got it back after a full service and new blades.. aparently there was a lot of stuff (flax and cabbage tree leaves) around the back of the blade thing (the big circular thing holding the blades) and it had damaged the oil seal and the mower was not going to last much longer so I'm glad I took it in for a service.. will enjoy mowing the lawn properly this weekend.. !!! worth the money spent.

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10 years 7 months ago #402645 by canajanz
Replied by canajanz on topic Lawn Mower blades

3 girls farming;398096 wrote: just got it back after a full service and new blades.. aparently there was a lot of stuff (flax and cabbage tree leaves) around the back of the blade thing (the big circular thing holding the blades) and it had damaged the oil seal and the mower was not going to last much longer so I'm glad I took it in for a service.. will enjoy mowing the lawn properly this weekend.. !!! worth the money spent.


LOL Yes that would tend to slow you down!
One of the things we hated was having to pick up all the flax and cabbage tree leaves before we could mow. No wonder they were used to make baskets etc .. soo strong.

It's worth having a look under your mower every couple mows ... they usually need the thick layer of grass gunk scraped off anyway and it lets you know what else you have caught up.

Oh ..dont get too close to weedmat either! The threads from that will wind around the mower too :( and there are often loose bits hanging onto grass

canajanz

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