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Delivery Flap Getting Stuck


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I got a call from one of my locations telling me "it was hard to reach into the machine to grab your snacks". I went and checked it out and noticed that the delivery flap was not sitting flush in the delivery door, so when the customers tried opening it the delivery flap was hitting the anti-theft flap too early resulting in a hole far too small to fit a hand in. I thought I fixed it, left, and then went back the following week to stock up and noticed the same problem had occurred. This time I unscrewed the arm hinges that connect the two flaps and re-attached them, and everything seemed to work again. 

Anyone have an idea what might have initially caused this? I should say the screw on the left arm hinge that connects the flaps had become loose. The machine is a Crane National 157. 

 

 

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Once all the bin hardware starts to wear out you basically need to replace it all on each side of the bin.  IF Crane still sells it.  Yes, the screws coming loose cause this issue.

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Well, lucky for you a simple tightening of the linkage got it all lined up again.  Just be sure there is a lock washer under the screw head and keep an eye on it.  Don't overtighten it but if the screw comes out again you can put a dab of weak Loctite on it.  If the parts aren't available then you're only choice is to disconnect the linkage which will leave the anti-pilfer door hanging loose.  That or find a parts machine that has good linkage on it, however it doesn't sound like your linkage is damaged.  What usually happens is forcing open of a bin door will bend the linkage and then it's toast.

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How much force does it take to bend the linkage? I have a feeling the customers at this location would try to force the flap open if they can't reach their products. Will the flap and anti-pilfer flap continue to function as they should as long as the arm links match up?

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As long as everything is working fine, especially the anti-pilfer door then you are fine.  What will happen should the door bind up is someone will force it with their forearm or kick it with their foot which can then bend the linkage.

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I got a text this morning saying the flap was stuck again. I'm going to check it out, but I have a feeling the linkage arms have been damaged. I have a few other crane nationals on location- are linkage arms a 1-1 swap? Thinking I could replace the arms on one machine for another. The machine I'm considering taking the arms from has the 5th tray removed, so it'll be harder to reach the products even if the anti-pilfer door isn't working. 

 

 

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EDIT-- Turns out the text was for the machine right NEXT to the one that I've been having the issue with. Same deal though, delivery flap is getting stuck. Coincidence that two machines next to each other have the same issue within a week of each other? 

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If there's someone that likes to chat you up while you load the machine, I'd take that opportunity to ask a couple questions and make it known that a machine that costs more in repairs than it makes gets pulled and moved to a profitable location.

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Well, that's the thing. It's my number one location. The snacks along grossed 1,100 last month. The location doesn't know it, but I can't afford to pull them, but I also know I can't afford to keep fixing them. 

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No signs of shaking that I can see. I'll check the second machine for any loose screws just in case, but it was fine on Saturday when I checked it. 

If I have to run without the anti-pilfer doors then that's what I'll have to do. Hopefully no-one notices. 

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