[PSUBS-MAILIST] Minn-Kota Shaft Seals

[james cottrell via Personal_Submersibles]

Jon,I just picked that motor diagram because it was more clear than most. I'm just saying that redundant seals in trolling motors in general are probably to prevent water ingress if the outer seal is damaged- the outer seal is probably not needed for our application. Water against a single seal might be even better from a cooling standpoint.
Greg

      From: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Tuesday, April 11, 2017 10:29 AM
 Subject: Re: [PSUBS-MAILIST] Minn-Kota Shaft Seals
   
Greg, the MK RIPTIDE 101 doesn't have that "seal with shield".  It simply uses two identical seals.  My units came with the "weedless wedge" prop and I wonder if that's why they don't have the shield on the outer seal since the wedge is suppose to prevent things getting stuck around it.  The brass bearing is also different on your unit, oval whereas it is a flange bearing on the Riptide 101.
Jon 

    On Tuesday, April 11, 2017 9:15 AM, james cottrell via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 
Notice in this drawing http://cdn.shopify.com/s/files/1/0191/7628/files/2002_AC_-_freshwater_motors_-_transom_-_specialtytransom_-_classic_28.pdf?793
That the outer seal is labeled "seal with shield".  I have not called Minn-Kota but assume that the purpose of this "shield" is to protect against fishing line wrapped around the shaft, ruining the seal and letting water in. 

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