Dominion lock, disassembly.

by **frostbyte** » 15 Feb 2005 20:45

Trying to figure out how to take the tail piece off this thing so I can take the plug out and look inside. I'm quite used to taking apart my schlages and other misc. locks, but they all just have a rose (i think that's its name) you unscrew while holding in a pin. Not sure what I'm supposed to do with this beast. (Actually I have a yale with the same mechanism, I've never bothered to figure out.)

http://lens.locksport.com/junk/domlock.jpg

Tried searching on several things, but no luck despite my belief that this has likely been discussed numerous times.

Thanks,
Devon

by **Chucklz** » 15 Feb 2005 20:55

I would start by removing that phillips screw and pull the cylinder out of the mortise core. This isn't necessary, but I find it helpful. Next, I would take out that snap ring. Either this will work, or take another picture....

by **mcm757207** » 15 Feb 2005 20:57

You see the two holes in the retaining clip? There is a tool that is used to pry they apart, and it will slide off (the U shaped clip). You can probobly find some way to fake it. Maybe someone else can explain it with better detail...

by **Chucklz** » 15 Feb 2005 21:05

I thought I did

Sometime, needle nose pliers work, but getting a pair of snap ring pliers is definately the way to go. They are a rather useful tool to have.

by **frostbyte** » 15 Feb 2005 21:05

Thank-you for two quick responses.

Chucklz: I left it in it's cylinder housing so it was harder for my 2 year old to lose, as she's been carrying it around for me and modelling it. (She was excited I was taking pictures, and wanted to be part of it.) I do typically work without it, but as you said, not a requirement.

I've been trying to find a way to remove that "snap ring", tried tacks, tweazers, diaper pins etc, any further tips would be nice. I'll give it another try though, as I wasn't trying too hard not knowing if that was what I was supposed to be doing.

Edit: Chucklz: on my way to the tool drawer to find some pliers. thanks for the tip.

by **mcm757207** » 15 Feb 2005 21:07

Chucklz wrote:I thought I did

Sorry, you posted yours while I was typing mine.

by **Chucklz** » 15 Feb 2005 21:08

Try putting the needle nose pliers in the gap between the ends of the snap ring. Gently spread the pliers, and then you should be able to lift the ring off. Watch your eyes when you do this though.

by **frostbyte** » 15 Feb 2005 21:28

Ok, pliers holding onto a finish nail, putting the tip of the nail in through one of the holes from the bottom and prying outwards and upwards at the same time seemed to do the trick.

Thanks for the help!

by **Varjeal** » 16 Feb 2005 17:00

Regular automotive snap ring pliers should work, but in lieu of that you can also use two different sized plain screwdrivers...Use the larger one to fit in the gap of the ring and spread, and the smaller one as a prying device to lift the ring.

As mentioned before, though, watch your eyes...those rings can really fly. To calculate distance, use this formula.

D=(R+T)x(HXS)

D is the total radius in metres.
Where R is the rarity of the type your working with.
T is the amount of time required to drive back to the shop to find a replacement.
H is level of difficulty in finding it on a particular surface.
S being the level of speed you informed the customer you would perform the job in. (Eventually being 1, Soon being 2, Right away being 5, and Fast being 10.)

by **digital_blue** » 16 Feb 2005 19:42

LMAO! I love it!

by **frostbyte** » 17 Feb 2005 8:32

Varjeal wrote:Regular automotive snap ring pliers should work, but in lieu of that you can also use two different sized plain screwdrivers...Use the larger one to fit in the gap of the ring and spread, and the smaller one as a prying device to lift the ring.

As mentioned before, though, watch your eyes...those rings can really fly. To calculate distance, use this formula.

D=(R+T)x(HXS)

D is the total radius in metres.
Where R is the rarity of the type your working with.
T is the amount of time required to drive back to the shop to find a replacement.
H is level of difficulty in finding it on a particular surface.
S being the level of speed you informed the customer you would perform the job in. (Eventually being 1, Soon being 2, Right away being 5, and Fast being 10.)

Definately a formula to remember!

by **BlackCat** » 23 Feb 2005 4:21

by **frostbyte** » 23 Feb 2005 9:37

Thanks, I've since found ways to remove it without the special tool, although I'm sure the tool would make things easier. As for the rest of the process of taking the lock apart, there were no differences from any other locks I've taken apart.

Dominion lock, disassembly.

Dominion lock, disassembly.

Cheers

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