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#1
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snapper riding mower. need to remove differential.
Hello. I have a Snapper riding lawn mower. Engine is rear mounted.
Recently the mower stopped moving and it is because the differential slips in forward. (It works in reverse). I can't figure out how to remove the rear axle. But I need to so I can see what is wrong. Like if it is a stripped gear etc.. I've taken the cover off the gear boxes and haven't seen anything obvious.. I think it might be something I can't get to without dismanteling the whole thing. I've seen a rebuild kit online for 75 bucks, but I want to make sure I can do it first! Thanks for any suggestions! |
#2
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snapper riding mower. need to remove differential.
sirmopalot wrote:
Hello. I have a Snapper riding lawn mower. Engine is rear mounted. Recently the mower stopped moving and it is because the differential slips in forward. (It works in reverse). I can't figure out how to remove the rear axle. But I need to so I can see what is wrong. Like if it is a stripped gear etc.. I've taken the cover off the gear boxes and haven't seen anything obvious.. I think it might be something I can't get to without dismanteling the whole thing. I've seen a rebuild kit online for 75 bucks, but I want to make sure I can do it first! Thanks for any suggestions! I've had a couple of Snapper riding mowers over the years. Are you SURE that it's a differential problem? From what I remember about the last time I was inside one of those it's sort of hard to see how the differential could "slip" in one direction only. Are you SURE your problem isn't just a worn or misadjusted rubber tired drive disk? To test if the differential is "slipping" or not, with the engine off and the gas tank less than half full, put the gear selector in neutral and flip the mower "on it's back". Then have a look at where the rubber tired drive wheel ends up when you "shift gears". It should be tight against the engine shaft drive disk when the shift is in any forward gear or reverse. If it isn't, readjust things until it is. Once it's tight against the drive disk and you can rotate one wheel by hand without the other wheel turning in the opposite direction, you were right, the differential is toast, but I'm hoping that it isn't. HTH, Jeff -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10^12 furlongs per fortnight. |
#3
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snapper riding mower. need to remove differential.
sirmopalot wrote:
Hello. I have a Snapper riding lawn mower. Engine is rear mounted. Recently the mower stopped moving and it is because the differential slips in forward. (It works in reverse). I can't figure out how to remove the rear axle. But I need to so I can see what is wrong. Like if it is a stripped gear etc.. I've taken the cover off the gear boxes and haven't seen anything obvious.. I think it might be something I can't get to without dismanteling the whole thing. I've seen a rebuild kit online for 75 bucks, but I want to make sure I can do it first! Thanks for any suggestions! Agree w/ the other posts -- had a nearly 30-yr old Snapper rider w/ so many hard hours on it the whole frame was wearing through and been welded over and over and the differential/drive train never had a problem. So, I think it unlikely to be a problem in the differential to begin with. Add to that the "drive in reverse, no-go in forward" and it doesn't sound like a differential problem but the drive. But, if raise rear off ground and have in neutral and can turn one wheel and the other goes 'round opposite, it definitely isn't. Unless and until that test fails, no need to go further in your quest on the "how" of disassembly. If it does indeed fail that test and isn't in the tension adjust or some other drive problem related to that, the dealer for service/repair/parts diagrams is the ticket. I didn't do a search, but would be somewhat surprising if can't find them online as well... It's been too long to recall much specifically as for a guess on the how, but undoubtedly the axle will be held w/ a snap ring on one or both ends and they'll come out with the proper incantation... -- |
#4
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snapper riding mower. need to remove differential.
I appreciate the posts so far. When I flip it over and turn one
wheel, the opposite wheel turns the opposite direction. When turning the wheels the same direction (like normal) it will rotate the disc a little and then slip. makes kind of like metal rubbing on metal.. maybe chain on metal.. then it will catch again. Maybe a stretched chain? As far as it being in forward gear position the clutch(?) makes full contact with the drive disc.. Thanks again for your help! |
#5
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snapper riding mower. need to remove differential.
sirmopalot wrote:
I appreciate the posts so far. When I flip it over and turn one wheel, the opposite wheel turns the opposite direction. When turning the wheels the same direction (like normal) it will rotate the disc a little and then slip. makes kind of like metal rubbing on metal.. maybe chain on metal.. then it will catch again. Maybe a stretched chain? As far as it being in forward gear position the clutch(?) makes full contact with the drive disc.. Thanks again for your help! It's beginning to sound to me like a sprocket and/or chain problem. Could be a near toothless sprocket or, as you sugggested, a really slack chain. Let us know what it turnes out to be, once you bite the bullet and start getting inside it. If you've got a digital camera handy, it wouldn't hurt to snap a few "reassembly guide" pictures if your short term memory is as lousy as mine has become. Jeff -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10^12 furlongs per fortnight. |
#6
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snapper riding mower. need to remove differential.
Let us know what it turnes out to be, once you bite the bullet and start
getting inside it. Yeah definately will! |
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