Richard,
I have a 3HM35F on my 1991 37+. A while ago, I considered adding senders for oil pressure & water temperature. Currently I have the standard oil pressure and water temperature switches for the red lights. Somewhere along the line, I found that Yanmar senders may use Japanese Industrial Standard fittings. See: http://www.ryco.com.au/index.php?id=224. There is some interchangeability with British Standard Pipe thread. It was very confusing and I got as far as considering removing the switches off and taking them to a mechanic to verify the size. Hope this helps, Ron Ronald V. Ricci S/V Patriot C&C 37+ Bristol, RI <mailto:ron.ri...@1968.usna.com> ron.ri...@1968.usna.com From: Richard N. Bush [mailto:bushma...@aol.com] Sent: Monday, December 01, 2014 4:59 PM To: cnc-list@cnc-list.com Subject: Re: Stus-List ; Oil and Water Temp gauge sending units; I am in need of the lists' collective institutional knowledge; I bought two teleflex gauges; one for oil pressure, and the other Water temp; I need to order the sending units; I have a 1985 Yanmar 3HMF (1985 C&C 37); the engine has never had these gauges; I called the tech dept for teleflex; they gave me a Sierra Part number for the oil gauge sender; (18-5899), but for the water temp gauge they tell me I need to know the thread size for the engine to know which sending unit to purchase; there are four different units; (18-5896; TS-1/4-18; TS 3/8-18; TS 1/2-18) I am not a mechanic and have no idea how to find this information; I do have all of the Yanmar service manuals and parts manuals; is this information in the manuals or how can I find this out? Many thanks Richard 1985 C&C 37 CB; Richard N. Bush 2950 Breckenridge Lane, Suite Nine Louisville, Kentucky 40220-1462 502-584-7255 _______________________________________________ This List is provided by the C&C Photo Album Email address: <mailto:CnC-List@cnc-list.com> CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go bottom of page at: <http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com> http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
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