On Wed, Apr 3, 2019 at 1:36 AM Great Western Airsports via KRnet < krnet@list.krnet.org> wrote:
> Hi all, > > I've a shrink fit prop hub on a 1835 HAPI. Should I wish to remove and > thereafter refit, would a bit of heat and a puller do the job or is there > better advice I should heed? > > A three arm puller is better, but a two arm will do, preferably secured > through the flange bolt holes. Back off the retaining bolt 3-4 turns, set > a bit (not much, but some) tension on the puller. Apply heat as evenly as > possible to the base of the hub, you only need 300F or so, no need to get > much beyond smoking. The hub will "pop" , then remove the bolt and slide > it off, and let it air-cool. I'm probably just telling you what you > already know, but good luck. To reinstall, just use your oven to bring the > hub to 300, slide on the cleaned crank till it seats, finger tight the bolt > and cool. Torque the bolt and check runout. It is not uncommon for the > hub to shift to unacceptable angles. Just breathe deep and try again. > Good luck _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/krnet@list.krnet.org/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to krnet-le...@list.krnet.org
