Repairs Servicing 10415 self-propelled gear box
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dewguy1999
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You can download a Operator Manual and/or a Service Manual by going to the Lawn-Boy Support Center and entering your model number and then selecting the serial number range.
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mechanic mark
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It's been several months since I opened this thread. Correction: my model is 10515, not 10415 as previously stated. The replies I received were very helpful. I downloaded the service manual from the Lawn Boy Support Center. The manual says to use 6 oz. (177cc) No. 2 lithium-based grease as a lubricant for the three speed transmission. The instructions say to coat all moving components during assembly, and then to fill the gear case with 6 oz. (177cc) No. 2 lithium-based grease. Also, to apply a light bead to the (gear box) flange before assembling. I guess that serves as a kind of seal between the gear box and the cover.
I followed the thread in reply No. 2 and found all kinds of suggestions for types of grease to use. None of them even mentioned lithium-based grease. In the meantime, I ordered a complete gear box from a used 10515 on ebay, I plan to overall it using the No. 2 lithium based grease. If it's good enough for the official Lawn Boy service manual, it's good enough for me. And besides. I already have a can of it in my garage.
I followed the thread in reply No. 2 and found all kinds of suggestions for types of grease to use. None of them even mentioned lithium-based grease. In the meantime, I ordered a complete gear box from a used 10515 on ebay, I plan to overall it using the No. 2 lithium based grease. If it's good enough for the official Lawn Boy service manual, it's good enough for me. And besides. I already have a can of it in my garage.