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Re: [Healeys] AEC3475 Laygear?

To: scott willis <ahpowered@hotmail.com>
Subject: Re: [Healeys] AEC3475 Laygear?
From: John Harper <ah@jharper.demon.co.uk>
Date: Mon, 9 Mar 2009 08:14:26 +0000
Scott

I don't have the exact details to hand for this particular part but you 
might be interested to know that on early gearbox gears and maybe later 
ones the part number on the item is not necessarily the service part 
number.

Often the part numbers are close.

The number on the part may be a casting or blank number or perhaps a 
gear without bearings fitted.

Stages of manufacture would have individual part numbers with a number 
for the total assembly. If it were only the total assembly that was 
serviced this would be the number in the parts book. The number on the 
part may still be a blank part number.

Regards

>> Hi folks,
>>
>> Well, looking in the side shift case I see that my first gear ring is
>> extremely damaged as well as the 1st gear on the layshaft gear unit. 
>>I asked
>> Dennis Welch's group about repairing this one. They said they could 
>>send out a
>> refurbished layshaft gear unit and charge me a core charge until I shipped
>> this one over but they are not familial with this number for a 60 BN7 
>>tranny.
>> Is there a list somewhere that would identify AEC3475 on my layshaft? 
>>Could I
>> have the wrong one in my tranny? I see AEC3649 listed in my service parts
>> manual as the correct number.

-- 
John Harper
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