Quote:
quote:Originally posted by Art-n-Marge
I am not having a motor problem.
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Hi
I understand fully where your problem is. You are having a problem created by the motor.
Also because I have cut open one of the failed legs to determine just what was causing the problem it is related to Keystone using a higher speed motor than the designer of the leg intended. This information came from the manufacturer of the leg. This causes heat buildup in the long screw that extends down the inside of the leg. The inner square part that actually moves out of the bottom has a large nut that this screw goes thru. When the heat buildup cause the screw and the nut to get tight in each other one of 2 things happen. The gear train at the top fails or the screw and nut gall. Either one makes the leg unusable at least the upper gears and shaft can be replaced but after doing that several times your long screw and large nut will gall to the extent that the entire leg will have to be replaced.
The second thing that will shear the pin in the gears or fail the shaft is running the legs to their limit. I corrected this problem on the first set of legs I replace by before installation I extended them by hand until they would not go any further then marked the inner square tube 1 inch below the outer tube with a Black Sharpie. Then retracted them by hand until they would not go in any further and then extended them 1 inch and marked the bottom of the square tube with the Sharpie. Now we never exceed the marks.
When I replaced the legs the third time (The third time I replace them the dealer had to replace them the first time we tried to use the trailer) so I am now on my fifth set of landing gear legs.
After installing the correct electric motors I have not had to repair or replace a landing gear leg. That was 3 years ago and about 30,000 miles and we night stop every night instead of driving at night.
Phil P
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2009 Montana 3665RE
2009 Duramax 3500 DRW quad cab
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