Lancia Motor Club Forum Banner
28 May, 2020, 04:44:57 AM *
Welcome, Guest. Please login or register.

Login with username, password and session length
News: Need to contact the Forum Administrator? e-mail forum.admin@lanciamc.co.uk, for Database Administrator e-mail database.admin@lanciamc.co.uk      -      Copy deadline for Viva Lancia is 12th of each month.      -      For Events e-mail events@lanciamc.co.uk      -      To Join the club go to http://www.lanciamc.co.uk/join.htm
 
   Home   Help Search Calendar Register  
Pages: 1 [2] 3 4   Go Down
  Print  
Author Topic: Rear spring  (Read 6841 times)
0 Members and 2 Guests are viewing this topic.
Jaydub
Megaposter
*
Posts: 225


« Reply #15 on: 07 November, 2016, 09:36:02 PM »

Simon
Are the rubbers with the rear groove, caliper seals? That`s what they remind me of.

John
Logged

1600 HF. S2.
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #16 on: 09 November, 2016, 09:27:23 AM »

Ferri Adelio have  come up with the goods - at a cost of E202.52 inc VAT and delivery.   I suppose that may be about the same as the Omicron solution.  Pity I did not know of the need a few months ago, could have saved quite a lot of money!
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #17 on: 09 November, 2016, 05:47:36 PM »

Here is the tool.  A bit crude but made this way for speed and simplicity.  One could think of refinements like a central bolt and swivel arrangement but quite how to manage the bar (which needed a LOT of torque applied to it) I have not yet sussed out.


* P1060144 (Copy).JPG (406.35 KB, 1398x1050 - viewed 121 times.)

* P1060145 (Copy).JPG (437.88 KB, 1399x1050 - viewed 121 times.)
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
frankxhv773t
Permanent resident
**
Posts: 1664



« Reply #18 on: 09 November, 2016, 07:26:30 PM »

I think it produces torque. You apply a force. Cheesy
Logged
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #19 on: 10 November, 2016, 08:06:04 PM »

"Torque, moment, or moment of force is the tendency of a force to rotate an object around an axis, fulcrum, or pivot. ... Loosely speaking, torque is a measure of the turning force on an object such as a bolt or a flywheel."   I applied a force to the 3 foot steel tube and produced a torque in the tool.  See, I am even more pedantic than you!
I have spent most of today rebuilding the high ratio final drive with new bearings.  I found it necessary to squeeze gently in the press to make sure they were properly seated (even after baking in the oven!).  Now it has all gone together withthe original shims, the tiniest amount of backlash and a nice even strip of engineers' blue on the teeth.  I hope it will be quiet on the road!
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
frankxhv773t
Permanent resident
**
Posts: 1664



« Reply #20 on: 10 November, 2016, 10:37:55 PM »

Thank you David. We pedants must unite against loss of accuracy in the use of language.
Logged
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #21 on: 11 November, 2016, 09:06:09 AM »

Or even loss of precision.
Next question - How do I set the torsion bars when re-assembling the rear suspension?  There is, presumably, a set angle to the horizontal of the trailing arms before they are attatched to the spring.
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
ColinMarr
Permanent resident
**
Posts: 1555



« Reply #22 on: 11 November, 2016, 12:41:07 PM »

The car needs to be levelled up and the torsion bars inserted (vernier adjustment) so that they are unstressed and 'neutral'. Not that I have ever seen one, but originally there would have been marker plates inside each rear wing cavity to help with this, as in the attached photo. In practice, I think the best thing is to set it up so the transverse spring looks flat and then insert the bars. What fun!

Colin


* Torsion bar setting plate.jpg (58.57 KB, 709x311 - viewed 237 times.)
Logged
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #23 on: 11 November, 2016, 07:37:37 PM »

Thank you for reminding me!    In the "Lancia Ardennes..." story there is a photo


* torsion bar position.jpg (6.91 KB, 208x158 - viewed 222 times.)
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
simonandjuliet
Permanent resident
**
Posts: 2124



« Reply #24 on: 11 November, 2016, 09:53:08 PM »

On my car it is in a slightly different position - 2nd vs 1st ??


* P1240643.jpg (51.89 KB, 640x480 - viewed 227 times.)
Logged

S1 Aprilia Cabrio, S2 Aprilia, S1 Promiscuo,S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 73,Fulvia Berlina GT, Fulvia Rallye S,
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #25 on: 12 November, 2016, 09:29:05 AM »

It is not clear in the copy but the original picture one can read "Monter la BARRE apres Huh? (?ceci)
                                                                                  porte le bras porte roue a 1?0 m?
                                                                                 entre cette (----------)ligne et
                                                                                    la partie                     superieure
                                                                                      du joint                   de cardan" 
(sorry, no accents on my English keyboard)

which is to say "Mount the bar after this Huh? (after this way?)  put the wheel carrying arm at 1?0 mm(?) between this line and and the upper part of the universal joint."
Question is how many mm?   Could you give us a close - up of your plate please Simon?  And in any case, what does it actually mean - it does not appear to make a huge amount of sense!

Unfortunately the Restauration describes refitting the torsion bars off the car "in the same orientation as we found on dismantling" and one cannot see at what angle this is.  I notice they use "sangles robustes" which sounds so much more poetic than "ratchet straps" to re-attatch the spring to the subframe before mounting the whole thing on the car - a bit like I did when I replaced the cable straps but I had the advantage of the weight of the car!    I prefer my spring compressor.
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
simonandjuliet
Permanent resident
**
Posts: 2124



« Reply #26 on: 12 November, 2016, 09:42:34 AM »

Here's mine in Italian - the plates on either side give the same distance of 155mm


* P1240620.jpg (47.68 KB, 640x480 - viewed 211 times.)
Logged

S1 Aprilia Cabrio, S2 Aprilia, S1 Promiscuo,S2 camioncino, S2 furgoncino, , R4 Sinpar, R4 Rodeo, R60 Tractor,R60 S, Moto Guzzi Ercole, Disco 3, Mini ALL4 JCW, Moto Guzzi Cardellino 73,Fulvia Berlina GT, Fulvia Rallye S,
BlueSky
Lapsed
Senior Member
*****
Posts: 183



WWW
« Reply #27 on: 12 November, 2016, 10:38:47 AM »

The following information is from the factory A.S.T. Sketch 60 I-PM provided by Paul Mayo.
Torsion bar setting on Saloon:
Italian coupling non-greaser = 159 mm
Italian coupling greaser = 155 mm
English/Hardy Spicer coupling = 164 mm
Datum is horizontal line joining shock absorber fixing bolts.
Torsion bar bearing: Lancia 2048307 or 2048056, RIV Tipo 137827 or 5741 45 x 78 x 18 mm

My car doesn't have the plate with the settings, in the past I've just marked the torsion bars before removing them, put them back in approximately the same position and then adjusted the height once it's all back on the car. I'd measured the height to the bottom of the rear guards as a guide as well and then basically set them to what looked right!
Noel
Logged

1937 1st series Aprilia Berlina
Nissan X-Trail T31 TS
1920 P & M 3 1/2hp {FOR SALE}
John Deere LX188
www.narrywoolan.com.au/home
davidwheeler
Permanent resident
**
Posts: 1103



« Reply #28 on: 12 November, 2016, 04:02:27 PM »

Is this with or without the spring?   With I presume?   If so what is the approximate position of the unloaded trailing arm?
Logged

David Wheeler.  Lambdas, Aprilia, Fulvia Sport.(formerly Appia and Thema as well).
BlueSky
Lapsed
Senior Member
*****
Posts: 183



WWW
« Reply #29 on: 13 November, 2016, 05:01:14 AM »

I would assume it's with the spring. I used the "suck it and see" method! If it's all gone back together with lots of grease then you can adjust the height by jacking up a trailing arm until you see the torsion bar splines are free, use a puller to withdraw it before moving it a notch or two, lower the car on it's wheels, give the rear end a good push up and down, if you have friction shockers loosen them off first, a bit of trial and error should get right.
Noel
Logged

1937 1st series Aprilia Berlina
Nissan X-Trail T31 TS
1920 P & M 3 1/2hp {FOR SALE}
John Deere LX188
www.narrywoolan.com.au/home
Pages: 1 [2] 3 4   Go Up
  Print  
 
Jump to:  

Contact the Forum Administrator

LMC Forum copyright © 2007 - 2018 Lancia Motor Club Ltd

Powered by SMF 1.1.20 | SMF © 2006-2011, Simple Machines
Page created in 0.046 seconds with 21 queries.