Gliding in general really is a mess with brake fluid types. Schemp hirth and grob gliders all use DOT 4 AUTO, Schliecher all use AVIATION FLUID. StOCk standard dimona h36 use DOT 4. I am uncertain re hk36 but would be listed in manual.
I encourage owners, to clearly label at filler cam the brake fluid being used. I have been reliability told by now, two LAMEs you can use DEXTRON AUTOMATIC TRANSMISSION FLUID if aviation fluid is not available. I do know ALL TOYOTA cars use DOT 3 and should not have DOT 4 the now much more common automotive brake fluid. A friend I know converted his glider trailers to aviation fluid as will not take in water and always, work when you go to use the trailer. When I order brake parts from Tost I must be very careful to get correct seals. Susanne Dupont who runs Tost is, well aware of the issues, and flys, a motorglider. My 2c woryh Ian McPhee 0428847642 Box 657 Byron Bay NSW 2481 On Tue, 5 Jan. 2021, 17:08 Rob Thompson, <[email protected]> wrote: > Yep, fuel cap is from a BMW 2002. > > Master Cylinder is a Cleveland 10-5 > > https://aircraftpartsandsalvage.com/aircraft-parts/airframe/general-airframe/landing-gear/wheels-and-brakes/cleveland-brake-master-cylinder-10-5-2/ > > Make sure you replace the park brake shaft seals at the same time as the > cylinder seals. > > Highly likely that you could modify the mounts to accommodate a > motorcycle master cylinder at a tenth of the price! > > regards > Rob > > Rob Thompson > 0429 493 828 > > > > On Tue, Jan 5, 2021 at 2:22 PM Michael Stockhill <[email protected]> wrote: > >> It has been too long to be definitive but I recall researching this years >> back. Nearly poditive that I determined the Cleveland O rings are >> compstible with DOT 3. And I can be corrected, but I recall that the master >> cylinder is motorcycle. BMW, like the gas cap and battery. >> >> On Mon, Jan 4, 2021, 6:39 PM Ian Williams <[email protected]> wrote: >> >>> Gidday Kurt, >>> I may be able to shed some light there. >>> Not sure if yr H36 is ex Thai but military tend to ignore any >>> manufacturers type certificate, Plus the normal brake fluid they use is >>> the aircraft stuff. >>> So dot4 is of course automotive. >>> It does sound as if U will need to replace all the seals. As Rob said >>> the brakes themselves are Cleveland replacement seals should be easy to >>> get. Not sure about the master cyl tho >>> >>> Best regards >>> Ian Williams >>> >>> Sent from my iPhone >>> >>> > On 5/01/2021, at 2:17 PM, Kurt Redinbaugh <[email protected]> >>> wrote: >>> > >>> > Thank You Rob for your prompt response on my brake caliper question. >>> > I am a bit confused though... >>> > On pp44 of the HOFFMANN AIRCRAFT "instructions for continued >>> airworthiness" it emphatically states that DOT 3 brake fluid is used and >>> that MIL-5606 is NOT to be used. My brake reservoir had a red tint to it >>> when I put S/N 3660 back into service after 12 years as a hangar queen. >>> Last week I had a leak that drained the reservoir full of DOT 3. The >>> airplane is tied down on the ramp at the Reno-Stead airfield and is >>> completely covered. The weather has been freeze-thaw cycles lately. The DOT >>> fluid I used was fresh and stored in a factory sealed container. I have >>> ordered O ring number 101-02300 from Aircraft Spruce to replace the failed >>> seal in the caliper. >>> > I have seen in the DOG that MIL-5606 fluid is to be used. Is there an >>> explanation for this seeming contradiction? >>> > As always thanks for your support >>> > Kurt >>> >>> >>> --------------------------------------------------------------------- >>> You are subscribed to the Dimona Owners Group mailing list. >>> This list is archived in public. http://waikeriegliding.com/dog/ >>> To unsubscribe, send email to: [email protected] >>> >>>
