[John Pavlick]

Dave,
 I'm using the Boca sealed bearings (rubber seals) in my OS 160. I'm using
Wildcat 15% Nitro, 18% castor / synthetic oil fuel. I think the consensus
was that certain fuels (oil in the fuel) MAY affect the rubber seals causing
them to swell. I have not noticed any problems yet, but I don't think you're
using the same fuel as I am (nobody is).

John Pavlick
http://www.idseng.com


  -----Original Message-----
  From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On
Behalf Of David Wartel
  Sent: Saturday, June 18, 2005 9:32 PM
  To: discussion at nsrca.org
  Subject: Re:


  I hope you're joking! I just emailed a friend about this and he said,
"take your time and think things through before you resort to a hammer." (!)

  Also: I'm using the Boca sealed SS bearing. What was the concensus
regarding leaving/removing the seal(s)?

  Dave
    ----- Original Message -----
    From: george kennie
    To: discussion at nsrca.org
    Sent: Saturday, June 18, 2005 9:17 PM
    Subject: Re:


    When it's good and tight, hit the end of the puller screw a good belt
with a hammer! The abrupt shock will bust it free.
    David Wartel wrote:

      I'm replacing the bearing in a Webra 1.45. All of the "difficult"
disassembly is done: the circlip, wrist pin etc., but I'm having trouble
removing the prop drive hub. I'm assuming this is a press fit and am using a
gear puller, but even tightening the tool as much as I can, the hub stays
put. Is there a trick to removing it? Thanks, Dave

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