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#1
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self-propelled mower won't propel
I've got a Craftsman mower (917.372852, roughly ten years old or more)) that
worked fine until one day last week when cutting heavy, wet grass. Since then, the self-propelled mechanism has little power. It'll work on a bare surface but gives up whenever there's any resistance. So the behavior is like night-and-day, from before that one day. I took the top cover off and can see that the belt looks okay and the inside area is *not* all clogged with debris. However, I cannot see where the belt wraps the pulley underneath the engine, on the main shaft. That part has a heavy cover underneath, that prevents access but also presumably prevents grass from getting up in there. Drying for a week didn't help. What should I check next? What part would be slipping? Thanks. |
#2
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self-propelled mower won't propel
On 6/1/2011 12:33 PM, Tom wrote:
I've got a Craftsman mower (917.372852, roughly ten years old or more)) that worked fine until one day last week when cutting heavy, wet grass. Since then, the self-propelled mechanism has little power. It'll work on a bare surface but gives up whenever there's any resistance. So the behavior is like night-and-day, from before that one day. I took the top cover off and can see that the belt looks okay and the inside area is *not* all clogged with debris. However, I cannot see where the belt wraps the pulley underneath the engine, on the main shaft. That part has a heavy cover underneath, that prevents access but also presumably prevents grass from getting up in there. Drying for a week didn't help. What should I check next? What part would be slipping? The belt tensioner would be first guess....I've got slow dialup so didn't try to look up parts diagram to see the particular details, but that's where I'd start to see how it actually is put together. Got to be some way to replace the belt so keep digging to see the drive end/in-betweens. The answer's gotta' be in there somewhere. Or the hand lever isn't actually moving the idler linkage to engage it, perhaps? -- |
#3
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self-propelled mower won't propel
On Jun 1, 1:33*pm, Tom wrote:
I've got a Craftsman mower (917.372852, roughly ten years old or more)) that worked fine until one day last week when cutting heavy, wet grass. Since then, the self-propelled mechanism has little power. It'll work on a bare surface but gives up whenever there's any resistance. So the behavior is like night-and-day, from before that one day. I took the top cover off and can see that the belt looks okay and the inside area is *not* all clogged with debris. However, I cannot see where the belt wraps the pulley underneath the engine, on the main shaft. That part has a heavy cover underneath, that prevents access but also presumably prevents grass from getting up in there. Drying for a week didn't help. What should I check next? What part would be slipping? Thanks. See page 15 of this document: http://www.managemylife.com/mmh/lis_...M/L0705211.pdf Remove the Drive Cover from near the left wheel to expose the drive mechanism. Engage the the drive control. You should be able to tell what the cable is controlling and from there you might be able to determine the cause of the problem. Loose/ worn belt, cable not taught enough, worn gears, etc. Good luck! |
#4
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self-propelled mower won't propel
On 6/1/2011 2:25 PM, DerbyDad03 wrote:
.... ... cable not taught enough, ... Where does one send a cable for more training it not previously well-taught? -- |
#5
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self-propelled mower won't propel
On Jun 1, 2:08*pm, dpb wrote:
On 6/1/2011 12:33 PM, Tom wrote: I've got a Craftsman mower (917.372852, roughly ten years old or more)) that worked fine until one day last week when cutting heavy, wet grass. Since then, the self-propelled mechanism has little power. It'll work on a bare surface but gives up whenever there's any resistance. So the behavior is like night-and-day, from before that one day. I took the top cover off and can see that the belt looks okay and the inside area is *not* all clogged with debris. However, I cannot see where the belt wraps the pulley underneath the engine, on the main shaft. That part has a heavy cover underneath, that prevents access but also presumably prevents grass from getting up in there. Drying for a week didn't help. What should I check next? What part would be slipping? The belt tensioner would be first guess....I've got slow dialup so didn't try to look up parts diagram to see the particular details, but that's where I'd start to see how it actually is put together. Agree. I have a Craftsman that is about 5 years old and it had the same problem. There is a spring about 4 inches long under a plastic cover at the rear top deck area. It broke. If that is what it is, you may be able to fix it, temporarily at least, with some bailing wire or a plastic tie wrap. Work the drive lever while you look at how the mechanism moves. Got to be some way to replace the belt so keep digging to see the drive end/in-betweens. * The answer's gotta' be in there somewhere. *Or the hand lever isn't actually moving the idler linkage to engage it, perhaps? -- |
#6
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self-propelled mower won't propel
On Jun 1, 4:38*pm, dpb wrote:
On 6/1/2011 2:25 PM, DerbyDad03 wrote: ... ... cable not taught enough, ... Where does one send a cable for more training it not previously well-taught? * -- You start from the beginning: http://www.nisd.net/schools/info/101 |
#7
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self-propelled mower won't propel
On 6/1/2011 3:25 PM, DerbyDad03 wrote:
On Jun 1, 1:33 pm, Tom wrote: I've got a Craftsman mower (917.372852, roughly ten years old or more)) that worked fine until one day last week when cutting heavy, wet grass. Since then, the self-propelled mechanism has little power. It'll work on a bare surface but gives up whenever there's any resistance. So the behavior is like night-and-day, from before that one day. I took the top cover off and can see that the belt looks okay and the inside area is *not* all clogged with debris. However, I cannot see where the belt wraps the pulley underneath the engine, on the main shaft. That part has a heavy cover underneath, that prevents access but also presumably prevents grass from getting up in there. Drying for a week didn't help. What should I check next? What part would be slipping? Thanks. See page 15 of this document: http://www.managemylife.com/mmh/lis_...M/L0705211.pdf Remove the Drive Cover from near the left wheel to expose the drive mechanism. Engage the the drive control. You should be able to tell what the cable is controlling and from there you might be able to determine the cause of the problem. Loose/ worn belt, cable not taught enough, worn gears, etc. Good luck! thanks to all for the replies yes, DerbeyDad, that is the manual exactly. Note the instructions on that page to change the belt say to begin by pushing down on the pulley. That pivots the pulley+gearcase down and loosens the belt. I don't see any way to adjust tension. But note on page 22: there is some sort of clutch mechanism inside the gearcase. So, is it worth it for me to remove and disassemble the gearcase, or will that requires special tools to re-assemble? [I ran the mower just now with the gearcase cover removed. The belt it always turning the pulley. When I push the lever on the handle to engage the drive, that moves the shifter (part 3 on page 22 exploded view), which apparently works part 11 Clutch Yoke. From the diagram, I can't tell how the clutch works.] As a fallback, would it be possible to disengage the wheels from the drive mechanism to make itr all run justr like a regulkar mower? It's twice as hard to push a self-propelled that isn't working right. |
#8
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self-propelled mower won't propel
"dpb" wrote in message ...
On 6/1/2011 2:25 PM, DerbyDad03 wrote: ... ... cable not taught enough, ... Where does one send a cable for more training it not previously well-taught? The University of Tautology College. -- Bobby G. |
#9
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self-propelled mower won't propel
"Tom" wrote in message ...
I've got a Craftsman mower (917.372852, roughly ten years old or more)) that worked fine until one day last week when cutting heavy, wet grass. Since then, the self-propelled mechanism has little power. . . . I took the top cover off and can see that the belt looks okay and the inside area is *not* all clogged with debris. However, I cannot see where the belt wraps the pulley underneath the engine, on the main shaft. That part has a heavy cover underneath, that prevents access but also presumably prevents grass from getting up in there. If you have never in 10 years removed this cover, it has perhaps accumulated enough debris to interfere with the drive mechanism. -- Don Phillipson Carlsbad Springs (Ottawa, Canada) |
#10
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self-propelled mower won't propel
College, or possibly higher university in the spring.
Requiring one to cable home, if the studies get no traction. Driven by power, self motivating. http://www.thefreedictionary.com/tautology -- Christopher A. Young Learn more about Jesus www.lds.org .. "dpb" wrote in message ... On 6/1/2011 2:25 PM, DerbyDad03 wrote: .... ... cable not taught enough, ... Where does one send a cable for more training it not previously well-taught? -- |
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