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Changing knives blades on a flail mower

JonB Join Date: Posts: 1

2002-04-16          37479

Help. I'm about to change the hammer knives on my flail mower. I'm trying to figure out how to safely get under several hundred pounds of steel and not become a statistic. So what's the safest way other than having someone else do it? I'm guessing that putting jack stands under it (after the 3PH lifts it) will help, but I'm guessing someone knows a much better way.

Also, I'm thinking of sharpening the old knives with a grinder-- trying to keep them evenly weighted for balance. Anyone else tried that? Thanks in advance. JonB

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Changing knives blades on a flail mower

TomG Join Date: Feb 2002 Posts: 5406 Upper Ottawa Valley

2002-04-16          37483

It's best to never crawl under anything. I wonder if the mower could be tilted up on its lower link pins using a come-along and then secured with safety chains. If possible, you might be able to work on the mower while standing behind it.

I raise and lower my forklift to vertical with a come-along attached to the top-link mount on the tractor. I also keep a loop of chain around the forklift carriage near the base of the ROPS. The chain acts provides safety since my come-along may slip, especially when lowering. The chain also secures the forklift carriage when I need to replace the come-along attachment with the top-link.

Hope there are some ideas here. Most anything is an improvement over crawling under something. I don't mind attaching a potential shock load near the base of the ROPS, but I'd never attach much of a load higher up.
....

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Changing knives blades on a flail mower

Murf Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada   Pics

2002-04-16          37493

We go through this process (unfortunately) on a fairly regular basis. I finally broke down and built a lifting bench, similar to what they use at motorcycle/snowmobile/small motor dealers in the repair shop. Working at waist level is always the easiest & safest (especially kind to your back). In the past we used to use two chains, one at each side of the bucket, around the tail roller (removing drive shaft makes it easier) and setting it down flat on the 3pth on the tailgate of a pickup, business end facing out. Best of luck. ....

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Changing knives blades on a flail mower

Jim on Timberridge Join Date: Jul 2003 Posts: 172 La Crosse WI

2002-04-17          37554

I saw a motorcycle/ATV lift platform (hydraulic) for sale at Sams Club recently. Can't remember the price. Just remember i was standing in front of it trying to think of a good use so i could justify buying one (when the wife pulled me back to the grocery section).
Maybe it would suit your need ?
jim ....

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