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KennyKix
PostPosted: Mon Mar 13, 2006 6:54 am 
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Hey all,

I'm trying to convert a dizzy but i'm unable to remove the drive dog from the lucas dizzy.
I've tried using a 3/16" pin punch and also a 4.0mm pin punch and are unable to get the damn pin out. :evil:
I've soked the drive dog in Wurth Rust off plus (its like WD40 but it doesnt lubricate, just penetrates and its supposed to free things up a bit when they are rusty or just plain stuck) still cant get the drive dog off.

Any ideas?

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Gerard
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PostPosted: Mon Mar 13, 2006 7:54 am 
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kenny can you hold the drive dog (ver gently) in a metal vice and belt the centre spigot back down through it with a FBH???
Geraerd
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drmini in aust
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PostPosted: Mon Mar 13, 2006 8:02 am 
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Often, the edge of the Lucas drive dog has been staked in to retain the pin.
Hit it with a grinder to remove this both sides, pin will then punch out. Pin is a tight fit anyway, doesn't need to be staked in.

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KennyKix
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PostPosted: Mon Mar 13, 2006 8:42 am 
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the pin is about 2mm in on each side, i would have to grind the side of the drive dog off to get to the pin, any other ideas?

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drmini in aust
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PostPosted: Mon Mar 13, 2006 8:45 am 
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Just grind that part flat each side, it's no problem. I've done it heaps of times.:)

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KennyKix
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PostPosted: Mon Mar 13, 2006 9:11 am 
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what about using a drill bit (used for removing spot welds) and drilling the ends off the pin?

where could i get a new pin?

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h0nk
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PostPosted: Mon Mar 13, 2006 9:55 am 
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I'd do what doc says and grind down each side a bit.. I lost my pin when doing the conversion, just borrowd one of my dad's old 3/16" drill bits and cut that to size :D I don't think he's noticed yet..
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smac
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PostPosted: Mon Mar 13, 2006 10:43 am 
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I have a complete set of drift punches...they came in a box labelled "allen keys" for some reason....
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drmini in aust
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PostPosted: Mon Mar 13, 2006 11:24 am 
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The pins are hardened dowels I think, good luck trying to drill one.. :lol:
They are not just a roll (spring) pin like a Clubby gearbox shift rod has.

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KennyKix
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PostPosted: Tue Mar 14, 2006 6:12 pm 
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So....I got the pin out :D
BUT....the pin punch is now offically stuck! :x

I've tried driving it back out with another pin punch.
I've tried holding the pin punch in the vice and pulling the dizzy off the punch.
Nothing is working! HELP!

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drmini in aust
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PostPosted: Tue Mar 14, 2006 6:50 pm 
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Sit it on top of vice with the punch sticking up. Then use the next size punch down to drive the old one out. :wink:
I hope you used a 3/16" punch, and not forced a 5.0mm one in there... :lol:

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smac
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PostPosted: Wed Mar 15, 2006 5:06 am 
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Punch sticking down?
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drmini in aust
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PostPosted: Wed Mar 15, 2006 5:42 am 
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smac wrote:
Punch sticking down?

I mean body of jammed punch sticking down, its biz end pointing up. Smack the sucker down and out.. :wink:

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
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KennyKix
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PostPosted: Wed Mar 15, 2006 5:51 am 
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I used a 3/16" and i've tried putting the punch in a vice and punching it back out but
it wont budge.

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smac
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PostPosted: Wed Mar 15, 2006 5:56 am 
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hit it harder
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