Sharpening MMM Blades

Junkman · Mar 20, 2005

While you have the blades off, grease the spindles and observe until you see fresh grease coming out the bottom of the housings. I learned that they were not completely filled with grease before leaving the factory and after posting about this on TBN, others have found the same problem.

kubotabilly · Mar 20, 2005

Tom,
I bought my Foley-belsaw blade sharpner quite a few years ago so it looks alittle different that the new models, but it works great. I mow 6-7 acres a week, so I sharpen my blades about 5 times a season. Plus I do custom sharpening for anyone who drops their blades off at the shop. I sharpen blade sizes from my push mower to my 7 ft. woods finish mower. The sharpeners are alittle pricey /forums/images/graemlins/shocked.gif, but well worth it. Here's a link.
http://www.saw-toolsharpening.com/lawnmowerSharpening01.html

Bill

NY_Yankees_Fan · Mar 21, 2005

( The sharpeners are alittle pricey )

MODEL 440 ROTARY MOWER BLADE GRINDER
$499.00 $469.00 On Sale

Looks great but I think CFO would turn down this request. /forums/images/graemlins/grin.gif

Someone got to have a jig they use with a grinder /forums/images/graemlins/confused.gif

Larry (Moweraxle) are you reading this? Looks like another product to go with your family of MMM products. I see package deal possibilities here /forums/images/graemlins/cool.gif /forums/images/graemlins/grin.gif

gsganzer · Mar 21, 2005

As someone else mentioned. You've already done the hard work by getting the mower off and tilted up. I'd remove the blades to sharpen them. This allows you to check them for balance and swap them around. Blade 1 goes to 2, 2 to 3, 3 to 1. Also, while you have the blades off, pull the bottom spindle dust cups and check for grease.

Tdog · Mar 21, 2005

Sorry for the ignorance here, but this is the 1st time I've had the bottom of the deck exposed. While I had the blades off, I pulled off the cap [dust cap?]. There was a little grease inside each cap. Should there have been more? I greased all the fittings when I 1st removed the deck back in December. Gotta say, I found some zerks that I did not know existed.

kubotabilly · Mar 21, 2005

Tdog,
There should be just alittle grease in the dust cap. Try not to over grease the spindles or you'll have it coming out the top of the spindles and slinging it all over the belt. Every time I sharpen my blades I put about 6 pumps of grease in the spindles. I usually sharpen my BX2200 blades about two to three times year.

Bill

pro_tel · Mar 22, 2005

I you haven't found out yet, a 1 3/16 socket fits the bolt that secured the blades. I'm not certain what metric size that converts to.

tomnky · Mar 22, 2005

I use a 30mm six point socket to remove the blades on My mmm, this of course is on a BX2200

DanR67 · Mar 22, 2005

( Sorry for the ignorance here, but this is the 1st time I've had the bottom of the deck exposed. While I had the blades off, I pulled off the cap [dust cap?]. There was a little grease inside each cap. Should there have been more? I greased all the fittings when I 1st removed the deck back in December. Gotta say, I found some zerks that I did not know existed.
)

TDog -

In regards to greasing the MMM - there was a very interesting (and L-O-N-G /forums/images/graemlins/grin.gif) discussion about this late last spring. Grab a couple of your fav-o-rite beverages and check out this thread. Pictures and experiences galore - seems like some of the "Bota spindles were not exactly full of grease when they shipped. I'm happy to report that I've had no problems - but I'm glad I read that thread - one of my spindles took @ 20 pumps to fill! /forums/images/graemlins/shocked.gif

I've also taken the blade sharpening one-step farther: I bought another set of three and swap them all out at once. Then I can sharpen the set I removed *at my leisure*. Also some *quick-change* insurance in case I - or my lovely wife -takes to "granite mowing" any one of the rocks that stick up through the sod. I'm working on getting them out though! /forums/images/graemlins/grin.gif

*****************

BTW - I did the metric conversion: 1 3/16" = 30.something mm - so that is *close 'nuff*. To be exact - take your inch measurement as a decimal (1 3/16' = 1.1875) and multiply by 25.4 (1" = 25.4 mm)

Personally - I went out to Sears and bought a whole set of metric combination wrenches and 1/2" drive sockets - I think I've now got every size for my 'Bota - probably set me back @ $150. I figure something will eventually loosen up / wear out / break altogether etc - and then I'll be p!ssed that I don't have a wrench that fits. Dealers / hardware stores etc. are all at least 20 minute drive each way - so it's just some more *time insurance* I guess.

Cheers,

Dan

Tdog · Mar 22, 2005

Thanks to all for your patience - - and thanks Dan for pointing out that thread. Pretty scary. Guess I'll pull the blades again tomorrow & haul out the grease gun. There was a smidgen of grease around the inside edge of the dust caps, but not much.

Jack