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Manifoil Chubb lock

Forgot how to dial the combination on that old safe? Think you got the right numbers but the handle is stuck? What safe should you buy? Ask your safe questions here!
Forum rules
You are posting this in This Old Safe, a public area of the forum.

Safe manipulation discussion is allowed, but safe drilling or other destructive entry is only allowed in the Advanced - Safes and Safe Locks area.

If you are a guest of the forum and have a safe you need to open, but you do not have the combination, we cannot tell you how or where to drill it.

Manifoil Chubb lock

Postby mort58 » 16 Aug 2020 20:03

Hi all
has anybody pulled apart a Chubb Manifoil lock ?
Have a tight 3rd wheel any ideas ? and combination doesn't always work.
any ideas how to service the lock would be helpful
Thanks
mort58
 
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Joined: 13 Aug 2020 5:41

Re: Manifoil Chubb lock

Postby MartinHewitt » 17 Aug 2020 14:48

Somewhere are photos of a disassembly. I think they are on keypicking, which is at the moment down.

What do you mean with a tight 3rd wheel? With the 3rd wheel you mean the wheel for the 3rd number in the combination?
How are the gates positioned (I assume you have removed the cover), if you dial in the three numbers? Are they in line or is one of? Are they in line on each of some dialling sequences? Does it help to set again the combination?
MartinHewitt
 
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Re: Manifoil Chubb lock

Postby mort58 » 26 Aug 2020 6:21

Hi Thanks for the reply
the combination dials up fine , it just when you dial up the combination for the first number to the right 5 times,
as soon as you pick up the last wheel there is a lot of drag so it feels tight.
I pulled it down cleaned it and used just a smear of light oil only on the spacers between the wheels but didn't make that much difference.
cheers
mort58
 
Posts: 4
Joined: 13 Aug 2020 5:41

Re: Manifoil Chubb lock

Postby femurat » 26 Aug 2020 8:11

I remember that my Manifoil IV was a lot tighter than other safe locks like a S&G 6730 for example. If this is the case, you're fine. If the third wheel drags and has friction against some other part, it's better to get the lock serviced before it's too late.

Cheers :)
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femurat
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Re: Manifoil Chubb lock

Postby MartinHewitt » 26 Aug 2020 11:01

A lot of drag comes from the tension on the wheel pack. This is normally done with a bent tension washer. No idea how this is in the Manifoil.
MartinHewitt
 
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Joined: 16 Nov 2016 18:11

Re: Manifoil Chubb lock

Postby mort58 » 27 Aug 2020 4:44

Hi All
thanks for all the help
I think thats the way they are a lot tighter than S&G combination locks
many thanks
:D :D :D
mort58
 
Posts: 4
Joined: 13 Aug 2020 5:41


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