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The grooves it's all in the groves - these locate the key in the plug - if one side is not symetrical with the other it will either lift the pins too high or not high enough. The disadvantage of not using genuine keys in many cases. The UAP for instance is a 1A nope its a 1A like but the flutes are slightly different meaning you need a taller blank to cut the key on.

If these cylinders are cheaper end of the spectrum they can be broached in a diffent way. Wear also has its problems

Ask the customer to withdraw the key a fraction and try if that work the key is undercut (too deep) wiggle it up and down and try - may give a clue as to why

 

Ducks...............................incoming.............................

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As Mick has said, but a lack of lubrication can also cause 1 side to work and not the other, when we ask it is nearly always outside that is the problem.

 

Lubrication can always play a big part in the working of euro cylinders and quite often a spray of Kaba lock oil or Abus ps88 can also make a difference

if you live anywhere near the coast then salt air can cause a lot of issues with the outside cylinder.I have lost count of the ammount of times i have

attended a lock problem that is cured with 1 squirt of lock oil especially when a genuine blank has been used and the key has been cut on the unocode.

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Once in a while, I come across this problem. This problem happens mainly with the customers who always use remote to open and close the door. Here in Toronto, due to snow, the roads are sprayed with salt and that makes the lock to get stuck some time. Few drops of lube or even WD 40 make the lock and the key work properly.

 

Jas

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having said that I have used wd40 for 40 years........... it used to dry and leave a silicon coat.

 

Spooky! I am astonished it could do that when it contains NO silicone.... and never has....!

 

 

....although there is a new WD40 SpecialistTM range out now that includes a silicone lubricant.... but this is not the same stuff.

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Well I'll have my bolox roasted and served with a spicy cabbage - I just threw a tin that I have had for years so I cant comment but I have never had it go sticky - Thats KY jelly others have used to stuff me. Me and hundreds of real locksmiths have used it for 40 years with no problems - the expensive 'lockcleaner' do fik all to lubricate and costabomb - mind you I expect you still use graphite powder both in locks and your silvery toungue ------- :twisted:

 

Does it actually matter what you use as long as it clears the problem :?:

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A couple of squirts down the intake of a non starting motorbike always got it going (It does...... try it)......It actually works.. :smt102 :smt102 It just works.. :smt102...Magical stuff.

Gets oil marks offof carpets

Softens stitcher wax............Oh already said that..Soz.. 8)

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I've used these Carl F genuine blanks and had probably 3 or 4 out of 10 back that won't go in the lock, same with some Eurospec MP5 genuine blanks. :?

 

 

Bizarre, just had a genuine blank back that would not go in on the Carl F blanks as well.

Worked ok with a ul054 though.

 

A little worried now as we have done loads of these in the last week.

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