Electra centre stand query

This is the centre stand spring mounting 'gubbins' as fitted to my 1964 Electra.
Not had a problem on my machine in 40 yrs on/off stand!
I have heard 'on hear' that the stand spring is a B***steward to fit-take care.

Hi Ian, 

The early Electra parts list does indeed quote stand arm as 21165. Error. 
Should be 24673.

The arm mounts, as you know, on the back lower engine/gearbox rhs mounting stud. On a special nut. 

When the later gearbox was adopted for all Electra and later Nav/Jub the new gearbox internals needed the mounting stud above to be moved back and down. 

The distance between stud and centre stand crossbar is less on later models. 

So AMC had to change centre stand spring (24674 shorter and fatter), spring arm (shorter between centres and different shape), and the frame vertical section is different to suit the new engine/gearbox mounting stud positions. 
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On later gearbox types it is practically impossible to remove the lower rear mounting stud. AMC slotted the frame here so that the engine can be installed, removed with the stud in place. You need to back the nuts off at least 1/8 ins each side to remove engine. 

These lightweights are tricky sometimes. 

Peter

I have a copy of the original works dwg for this item specifically. I will try and load it on here later.

The drawing is to scale and shows dimensions. The arm should be relatively easy to replicate.

Admittedly some time ago when i last looked, but I'm sure the NOC shop had this part in stock at the time.

Just checked it's still in stock in the NOC shop. Ian, put 24673 in the search box and it should comer up.

Sorry, 24621 nut. Shows in NOC Shop. 
Peter 

For Ians information, there are two distinct versions of Spring, Spring 'C' shaped anchor, and retaining nut.
1) For all Jubilee & Navigator models up to engine number 106837:
Spring = 22408
'C' Anchor = 21165
Special Nut = 21166 - 1x required

2) For all Electra, and Jubilee/Navigator models from engine number 106838:
Spring = 24674
'C' Anchor = 24673
Special Nut = 24621 - 2x required

In addition - to fit the spring, it takes 2 people (one to hold the bike).
You do it with the stand retracted - hence someone needs to hold the bike.
In that way, there is least tension on the spring.
*You remove the stand axle that it pivots on.
*Assemble the spring to the 'C' shaped anchor (on the offside-right-of the bike).
*Connect the bottom of the spring to the stand crossbar.
*With the stand in its 'at rest' position, you should be able to re-insert the stand axle.
*Use NOC Specially modified Pivot Bush 22150 (2 off reqd) as well!

You don't need a second person (any way the wife is doing the ironing!!) chuck the bike against the garage wall!

Ian, 

You seem to have an armoured speedo cable. Plus the two oil pipes, all to pass  the small area around that lower rear nut, stud end, and spring arm. 

The standard nut places the spring mount arm as far inboard as possible. You may be glad for the extra space. 

Peter

but Navigator.   Noting what Peter H has just said, I moved the stand spring to the other side to avoid any possible entanglement with the oil pipes and speedo cable.  The attached photo shows the up stop the same side. In this position it allowed the stand to touch the silencer.  The stop is either deliberately cranked or distorted, either way, the stop now faces the other way.  Hasn't stopped the stand clouting the silencer, the stop slowly moves, eventually allowing the stand to touch the silencer.
I'm presently modifying an RE back hub/brake to fit the bike so when the swinging arms off the bike I'll sort out the stop.