200A and 202 reproduction
frames back
in stock.

cheflinda
I just bought an old Coleman stove 414 (1960) for parts as my old 414 has a problem with fuel valve and I want to use stove immediately. I took pump off to take a look at cup and now can't get it back on as the square long pin in the gas cylinder is leaning to one side (not centered). Can I force it, or put oil in there to possibly free it up?
Cheflinda
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MotorcycleDan
First, Welcome to the site!

First, make sure the pump cup has oil on it. Take some needle nose plyers and try and tighten the square long pin. This will help get it centered more. When you put the pump back in, set the bottom of the cup just in the cylinder and tilt the other end down a little so you can see the pin going into the pump. You may have to take a pick or something thin to help pick up the pin so it slides into the pump. Don't force it! You will also have to go slow and put the pump cup inside the pump shaft. Again, go slow and just push it in with a pick until you get all of it in the pump shaft. It is tricky the first time you do it, but everything will go back together! 
Dan ICCC #900
ICCC Treasure
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cheflinda
Dan, the square pin is quite tight and leaning to the side. And yes I was afraid of forcing it. Could I possibly loosen it by turning left, with needle nosed plyers, remove it , oil it and then replace straight?  If not I will gently work on it. 
Cheflinda
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cheflinda
And thanks for your quick reply!  I will get the right oil before installing pump so that I won't have to open it up again!
Cheflinda
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macwacs
I usually loosen them several turns when reassembling. Why not take it all the way out and make sure that the shaft is not slightly bent? If bent gently try and straiten it.
 RMW
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gootsch
I take the pin completely out and put it inside the pump plunger then I put the plunger into the pump barrel and push the assembly down the barrel and thread the pin into its place.
Gootsch
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cheflinda
Thanks for all of your suggestions! What a great forum! I will pick up the correct oil before doing any more monkeying around with it,  thanks!
Cheflinda
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rob_pontius
Before removing the stem, keep in mind that if it is bent and you insert it into the pump tube, it won't rethread itself when you push the pump into place. It may even try to cross thread on you. Those stems are tough. Tighten it up and push the stem into the center of the tube until it stays centered. You won't hurt anything. I've had more than my share of bent pump shafts. 
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cheflinda
Ok. I will try that. Thanks!
Cheflinda
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