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Europa-List: roll control tufnol bearings

Subject: Europa-List: roll control tufnol bearings
From: Rowland Carson <rowil@clara.net>
Date: Fri, 15 Aug 2008 14:09:17

In connexion with my earlier query about including or not AN960-10L 
washers, I've been looking in the archives for postings about the 
control system installation, and noticed some recommendations to fit 
grease nipples in the Tofnol bearings before assembly to allow later 
lubrication with a grease-gun.

Two questions arise from that:

1 - is adding a grease nipple "standard aviation practice" or does it 
require a Mod to be raised for a UK build? (I wonder is LAA 
Engineering aware of those UK Europas with such grease nipple fitted?)

2 - is there any particular type of grease that should be used, or 
any that should definetely be avoided, for the Tufnol-aluminium 
interface? I tend to favour a water-resistant and anti-corrosive 
grease (from a yacht chandler) for slow-moving things like this on my 
trailer and other exposed places and would stick with it unless 
advised not to. The Europa manual does advise greasing the non-bonded 
parts of the CS02-CS03-CS04 assembly, but makes no stipulation as to 
type, so I infer from that it's not critical. However, I'd like to 
know if anyone has found otherwise from bitter experience.

regards

Rowland
-- 
| Rowland Carson  LAA #16532    http://home.clara.net/rowil/aviation/
| 1070 hours building Europa #435 G-ROWI  e-mail <rowil@clara.net>



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