The lock tabs only stop the mains roatating in one direction, when the
bearing caps are removed. You simply slide them out in the opposite
direction.
-----Original Message-----
From: Jim <jdeatsc1@rochester.rr.com>
To: Egil Kvaleberg <egil@kvaleberg.no>
Cc: triumphs@autox.team.net <triumphs@autox.team.net>
Date: Saturday, August 07, 1999 4:16 AM
Subject: Re: Oil pressure Blues
>
>So then, the LBC engines typically don't have lock tabs in them as do
other
>critters?
>Or am I not getting it here?
>
>J
>
>
>Egil Kvaleberg wrote:
>
>> On 2 Aug 1999, Michael Marr wrote:
>>
>> > some people maintain that you can replace mains by sliding the
>> > the top bearing shell out from under the crank and sliding in the new
shell,
>> > but I've never done this
>>
>> It really is no problem at all, as long as you loosen all bearings just a
>> little bit, to releave any pressure on the upper bearing. Do one bearing
>> at a time, of course, so that the crackshaft is supported by 3 bearings
>> at any time.
>>
>> Maintain good cleanliness, use clean oil for the new parts, and
>> youshould not have problems.
>>
>> Do remove the spark plugs, so that you can rotate the crank easily. Use a
>> piece of plastic or similar to poke the bearing out a few mm whilst
>> rotating the crank, and then removing it completely is a simple matter of
>> pressing the bearing against the crank journal with a finger, while
>> rotating the crank through 180 degrees.
>>
>> > The
>> > good news is that the oil pressure will come up a little if you just
replace
>> > the rod bearings.
>>
>> Perhaps, but changing them all is all the better.
>>
>> Of course, if the journals are really worn (current bearings down to the
>> copper, etc) the fix will only last for a relativelyshort time,
>>
>> Egil
>> --
>> Email: egil@kvaleberg.no Voice: +47 22523641, 92022780 Fax: +47 22525899
>> Mail: Egil Kvaleberg, Husebybakken 14A, 0379 Oslo, Norway
>> Home: http://www.kvaleberg.no/
>
>--
>Rawchester, Neu Yawk
>1966 Spitfire MkII FC68436L (Red, what else?)
>
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