Hi Tom et al I think I found that the MS O rings are okay. Mine were fine through two rebuilds (preventative maintenance each time I put on new tires) over 16 years.
Mike On Jul 14, 2017 10:01 AM, "Tom Preisser" <[email protected]> wrote: > Hi Laurie, > > I have what I believe to be an ignition switch in my spares. Can't be > positive without digging behind the panel to look at my installed switch, > but you can check your removed switch against it. The spec is MS 35058-22 > http://www.bandc.aero/toggleswitch-MS35058-22.aspx > > And I think it could be a different spec to the other fuel pump, etc > switches (beefier), given that it has a separate entry than the 15A > switches in the old H36 parts manual (with part numbers no longer valid for > Diamond)... > > BTW on brakes (and thanks Mike for your advice)... just now installing a > new caliper piston which makes the O ring fit much better in the > cylinder (seems I had to take off too much corroded material from the > groove of the original installed one, so it no longer sealed tightly)... > > For those of you running DOT3 fluid, I have obtained some EPDM O-rings to > use rather than the BNR (nitrile) MS-28775-218 O-rings supplied to me by > Diamond (which they may have sent probably because the HK36 and DA20 use > 5606 aviation brake fluid). See this RAS thread for the details on why BNR > is not suitable for DOT3... > https://groups.google.com/forum/#!topic/rec.aviation.soaring/4MiwHrkryFg > > And I talked to a lady who has worked at Cleveland Brakes for decades, and > she gasped!! when I said that Hoffmann used DOT3. She says Cleveland only > recommends aviation brake fluid - but I'm sticking with DOT3 as per the US > type certificate! > > Cheers, > > Tom > > > On Thu, Jul 13, 2017 at 7:26 PM, Laurie Hoffman via dog < > [email protected]> wrote: > >> Hi All, >> >> After extensive investigation into intermittent electrical problems >> eventually developing into a situation where the motor had to be shut down >> in flight due to rough running, it appears that the culprit is the ignition >> switch. >> >> Physically, the switch appears identical to the other original panel >> toggle switches operating fuel pump, avionics, strobe etc. >> >> Does anyone know if they are the same switch and also is there anyone out >> there in DOG land who might have specs for the switches? >> >> Best Regards >> Laurie >> >> >> >> >> >> ------------------------------ >> *From:* Greg Wilson <[email protected]> >> *To:* [email protected] >> *Sent:* Sunday, 18 June 2017, 8:10 >> *Subject:* [DOG mailing list] Easy fit ADSB >> >> These are a very easy install and cheap too. >> >> https://www.recreationalflying.com/threads/wow-these-are-goo >> d-looking-gadjets.161803/ >> >> >> Greg Wilson >> >> >> >> >> >> >> > > > --------------------------------------------------------------------- > You are subscribed to the Dimona Owners Group mailing list. > To unsubscribe, send email to: [email protected] >
