How do you guys go about removing the blades on your typical brush cutter? Something is jammed in between my blade platform and the bottom of the base that has to be removed. I basically have to remove the whole base that holds the blades but cannot get the nut that holds it off without the whole device rotating.
- Thread starter LJS30
- Start date
have had stumpjumpper off a few times and blades off a few times.
both were a pain in the bottom.
used a torch to heat big nut at bottom of stump jumper. Got it off, but stump jumper may be stuck to lower gearbox shaft. If so, you may have to use a puller.
if you do get it off or blades off, be sure to use new lock washers and cotter keys as required.
you do not want that thing coming off or the blades coming off as you are using it in the field.
good luck, it is heavy and can drop on you.
be sure to have it properly braced
might want to coat parts with anti seize when you put it back together, in case you ever have to take it apart again.
both were a pain in the bottom.
used a torch to heat big nut at bottom of stump jumper. Got it off, but stump jumper may be stuck to lower gearbox shaft. If so, you may have to use a puller.
if you do get it off or blades off, be sure to use new lock washers and cotter keys as required.
you do not want that thing coming off or the blades coming off as you are using it in the field.
good luck, it is heavy and can drop on you.
be sure to have it properly braced
might want to coat parts with anti seize when you put it back together, in case you ever have to take it apart again.
supergrumpy
Member
hook up the hog and raise it way up, brace it up with some stout timber
put pto in ground position, that should hold it solidly
oh yeah, turn the tractor off
put pto in ground position, that should hold it solidly
oh yeah, turn the tractor off
Ultradog MN
Well-known Member
- Location
- Twin Cities
I have a heavy old Bush Hog brand rotary.
I was using it along the edge of the creek to clean up the tall weeds there. I'd back up and have it hover over the bank - take a 5' swath at a time. All of a sudden everything went quiet so I checked the pto shaft. Yep still turning normally. So I shut down and had a look underneath. Stumpjumper and blades were gone - completely missing. I had to put on shorts and wade out into the creek and feel around with my feet. Water about thigh high. Found it about 25' away and dragged it up to the bank then threw it onto the shore. Big 2 1/4" nut, lockwasher and 1/2" key had come off and I lost the whole stump jumper in the creek.
I ordered a new nut, etc from the local John Deere/Bush Hog dealer. Tightened it back up with a 36" pipewrench and Locktited it on this time.
Was glad it went into the creek and not into my tires.
I was using it along the edge of the creek to clean up the tall weeds there. I'd back up and have it hover over the bank - take a 5' swath at a time. All of a sudden everything went quiet so I checked the pto shaft. Yep still turning normally. So I shut down and had a look underneath. Stumpjumper and blades were gone - completely missing. I had to put on shorts and wade out into the creek and feel around with my feet. Water about thigh high. Found it about 25' away and dragged it up to the bank then threw it onto the shore. Big 2 1/4" nut, lockwasher and 1/2" key had come off and I lost the whole stump jumper in the creek.
I ordered a new nut, etc from the local John Deere/Bush Hog dealer. Tightened it back up with a 36" pipewrench and Locktited it on this time.
Was glad it went into the creek and not into my tires.
Anonymous-0
Well-known Member
Stick a digger, or crow bar, in the U-Joint nearest to the gearbox, flip the bush hog on it's side, and put a cheater bar on a 3/4" or 1" breaker bar, and push down. If you get the nut to move, that's half the battle. Once the nut is off, pry or wedge, or jack the stump jumper a little, and hit the other side with a BFSH, and it will generally disconnect itself from the gearbox, as the shaft is likely tapered. While you have it off, make sure to replace the lower seal, if it looks in any way leaky. You don't want to go through this much trouble, to have to replace a seal, later!!!
I might add to what the others have said. I took mine and rolled it on its side against my fence with a front-end loader. It made it allot easier to work on. Make sure the gearbox doesn't leak out. I had a electric impact wrench to get it apart with also.
Holy Cow!!! That would have been something to see..............from a long ways away.......with binoculars!!! Those darn things are heavy and to see one go flying that far.... holy smokes! You got very lucky. I'll second the use of the torch as well as the red locktite. Kippster
Texasmark1
Well-known Member
I never took one off, but saw neighbor grab the gearbox with a
chain on a FEL and lift her up and set it on it's side like others have
done. Looked slick to me.
Mark
chain on a FEL and lift her up and set it on it's side like others have
done. Looked slick to me.
Mark
Strikefalcon
Member
my model 105 broke the shaft between the nut and the bearing plus cracked the housing.
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