Bad cats back box

Hughesy

New Member
Nov 26, 2018
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Goole
#1
Hi all, I'm new to this site so hope I'm in the right area for my question, sorry if not. I have a 1978 williams "Bad cats" pinball, I need to get in the back box but have no key , can anyone help
 
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Hughesy

New Member
Nov 26, 2018
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Goole
#9
The back box key is traditionally hung on the inside of the coin door to the side of one of the coin mechs. Check it’s not there first before destroying locks
I have never seen the key there and been in there many times, the only keys given to me over 10 years ago are a castle key that opens the front and a flat brass key that I thought was for the back but it's no good
 

pinballmania

Site Supporter
Jul 21, 2011
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#11
I have never seen the key there and been in there many times, the only keys given to me over 10 years ago are a castle key that opens the front and a flat brass key that I thought was for the back but it's no good
What do you mean no good? Does it fit in the lock? These locks can be tricky sometimes. They only turn about an eighth of a turn. If the glass is in there tight for some reason it can be hard to get the mechanism to shift. If the key goes in, try turning it back and forth whilst gently lifting the locked glass up and down to help get the mech to move.

If it refuses to move then your only option is to drill the lock out.
 
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Hughesy

New Member
Nov 26, 2018
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Goole
#12
What do you mean no good? Does it fit in the lock? These locks can be tricky sometimes. They only turn about an eighth of a turn. If the glass is in there tight for some reason it can be hard to get the mechanism to shift. If the key goes in, try turning it back and forth whilst gently lifting the locked glass up and down to help get the mech to move.

If it refuses to move then your only option is to drill the lock out.
The key won't go in , looks like drill option
 

steve brum

Site Supporter
Feb 15, 2015
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#14
A trick with the older Williams is to use a very long screw driver and with the backbox on its front undo the locking bar through the bottom . Ray foster taught me that jiggery-pokery . A common sense ttip is to search the cabinet nooks and crannies for a lost key. So annoying to drill a lock then find a key wedged behind a speaker etc
 
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Jay Walker

Well-Known Member
Apr 19, 2013
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Swansea, U.K.
#15
Could you reach through the wiring port on the bottom of the back box and detach the cam plate from the lock itself? I'd get someone else to hold the backglass and display panel in place while doing so, though

A tip I heard at a Williams introduction to the Wpc system was to separate the two keys originally supplied for the back box, hanging one on the coin door and fixing the other to the rear of the cashbox cross-member in the cabinet. Most people wouldn't notice it, or be able to appropriate it, but it would be there if needed. I usually put on works' own lock anyway, but on a Whirlwind I couldn't remove the lock mounting plate (due to the concealed T-nut slipping), so followed this advice
 
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Hughesy

New Member
Nov 26, 2018
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Goole
#16
A trick with the older Williams is to use a very long screw driver and with the backbox on its front undo the locking bar through the bottom . Ray foster taught me that jiggery-pokery . A common sense ttip is to search the cabinet nooks and crannies for a lost key. So annoying to drill a lock then find a key wedged behind a speaker etc
True I'll have a good serch