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Triumph TR6 - Fastener Identification

I often have cause to recognize that I may not be the sharpest knife in the drawer, but at the same time, I realize that I'm not completely void of some intellectual ability. Nonetheless, I'm stymied by some of the fastener identification codes for the TR-6. Decyphering the nominal sizes of several (many) of the standard screws/bolts/washers/nuts/etc. without taking the little sucker out and measuring it tries my mental capacity.

TRF follows the BL coding system and for the most part is fairly straightforward for the HU/HB/WP/WL/Etc, but some of the washers and some bolts don't follow the pattern. For example
On Plate DD illustration number DD33 on pages 218-220 TR-6 VOL I (Blue) Catalog the lock washer listed is shown as part number "WL 222", which goes with nothing. The bolt with which it goes is shown as HU811, a 5/16" X 1 1/8" hex head bolt. This really should be WL 208. The reference has been superceded, but alas, update pages are hard to come by.

Also, while I understand the coding for BL fastener number to be the last two digits the length in 1/8" increments and the first digits to be the diameter, e.g. 139835 is 5/8" UNF diameter (13) and 4 3/8" long (35/8=43/8), what do the middle digits (98) represent? This is particularly vexing when there are no middle digits!! or rather only 3 or 4 digits in the number.

Lastly, there are a number of washers, usually flat washers for which the code is indecypherable at least to me. Examples are WM69, WM59, WP20, WP45, and others. All of these are found on the front suspension pages mentioned above.

Knowing the techcnical acumen of the lot you on this BB, I'm sure someone has the easy answer to these vexing, frustrating issues. Thanks for your time and advice. I eagerly anticipate a flood of answers; all with sound reasoned advice and Don, I don't mean..."put it all in defilade":-)
db
Doug Baker

Doug, just put on what fits unless a trip to Pebble Beach is in your future and I think then you are still OK.
DON KELLY

Don, you're no help!!
db
Doug Baker

defilade

I had to look it up and I still don't know how bad I was insulted!!
DON KELLY

Don,
A military term. A place out of sight; out of view; in the venacular, where one's head may sometimes be placed!! You weren't insulted. I just was anticipating your response:-)
db
Doug Baker

Sorry Doug but gotta side with Mr. TR7/8 on this one.
Rick
Rick Crawford

Rick, I would have expected more from you...you're no help either:-)
db
Doug Baker

Oh Ya

P.S. a WP45 is a pain washer (you know this though) with an ID of 3/8" and OD of 3/4". It is correctly recognized as WP0045 according to Standard Triumph Hardware Catalogue (.PDF). I think TRF simply dropped the "ZEROS" in front of part numbers.

I think the part numbers where simply put in numerical order starting with WP0005= ID #5 OD .31" and ending with WP0198= ID 1/4" OD 3/4". There is no order to size at all. Simply a case of "give that plain washer a part number between 0005 and 0198".
I do believe you have this PDF Doug on CDII under "SERVICE AND REPAIR MANUALS".
If not let me know and will e-mail it to you.
Rick
Rick Crawford

Doug was composing my "Oh Ya" while you retorted to my first post:)
Is my second post better?
Rick
Rick Crawford

Rick, Aye, indeed, much better. I now know what size WP45 is!! So, no rhyme nor reason to the identification huh?? Makes for difficult management. If I measure what's there...oughter work...unless a DPO changed it out with a substitute not the correct size!! Of course, I have to disassemble it to measure the doggone thing. If you happen to know any of the other peculiar sizes, please advise. What about washer thickness. Is that measurement reflected anywhere in the numbering process?

When I get my data base complete for fasteners, I'll share. Will make for another cd!@!
db
Doug Baker

Rick, if you're keeping count...WP57 is a 1/4" ID/3/4"OD according to page 491 (TRF VOL II). Two down; a gazillion to go!!
db
Doug Baker

Doug
Do you have the Hardware Catalog.pdf on your CD?
Rick
Rick Crawford

Rick,
Don't know. Recall that I could never get the CDII to open 'cause I didn't have the damn SW you used!? I think I have a usable copy. I'll look, but I do have both TRF Catalogs and the BL parts catalog in hard and soft copy. Those tell me what bolt/nut/washer is where and I can decypher most, but as I said above it's those which do not follow the protocol that're troublesome.
db
Doug Baker

Doug,

It is there, how would you feel about an e-mail with a ~1.7M attachment?
Steve Pike

Steve,
I should be able to handle it. Under 2M usually conveys without a problem. Give it a try.
db
Doug Baker

Doug
I used winrar on CDII. Here it is for free.
http://www.get-winrar-now.com/
Rick
Thanks Steve
Rick Crawford

Doug,

You should have mail, if not shout.
Steve Pike

This thread was discussed between 17/10/2007 and 20/10/2007

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