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200A and 202 reproduction
frames back
in stock.
bklock
I've recently acquired four AGM 2572s.  All four check valves are stuck closed and won't allow air to pass.  I've got the check valve tool OCP sells.  I didn't expect it to fit, so wasn't surprised when it didn't.  I'm thinking I'll try to free them up in place before pursuing removal.

Are these check valves the same basic design as those in a Coleman: captive metal ball?  Or do these have some kind of a pip made of soft material?  So far the only thing I've tried was some water in the pump tube, tape over the air hole, and some firm taps on the plunger with a mallet.  So far no cigar.  Anyone know the diameter of the hole in the valve so I look for something to poke at it?

Thanks.
Bill

"No one after lighting a lamp puts it under a basket...especially if it's gas-powered."

Looking for birthday lanterns: 3/72 and 3/74
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Chucker
Have you tried spraying some carb cleaner in there, letting it sit, then poking the check valve with a wooden skewer or rigid wire? 
Chuck
"Stop being angry, and forget about getting back at people; do not worry -- it only causes harm." Ps. 37:8
Eye-SEE-C-C Member #1333 -- MilSpecOps #003
"Michigan - from the Ojibwa word “meicigama,” meaning “great water.”
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Dmacp
AGM made a few ball type check valves. Some even had safety tubes. But most that I've seen use a rubber or cork pip about 3/16"x 3/16", You might ask member Joe_P  as he might know better than I on the 2572.
Dan
ICCC member #604
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Joe_P
I don't believe the check valve tool works on AGMs. They are the same basic style as the Coleman. A large flat blade screwdriver will get them out. All the ones I've removed have not been near as tight like the Coleman ones are. The AGM check valves in these are 2 piece. Inner slotted brass portion is what seals the check valve from leaking air while the Coleman style uses the air pump stem that screws into the check valve to seal it. The AGM pump has a flat end that tightens the inner part of the check valve. Just be sure to align the inner portion with the slots on the outer check valve body in order to use the screwdriver effectively.

Joe
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bklock
Thanks, Gents.  I'll have to wait until I'm home next week to pursue these further.  I'm on the road right now and my tools and workspace are limited.
Bill

"No one after lighting a lamp puts it under a basket...especially if it's gas-powered."

Looking for birthday lanterns: 3/72 and 3/74
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hikerduane
I had to buy a large, slotted screwdriver for Coleman and other branded C/V's that my tool would not thread into the hole, my existing screwdrivers were too narrow and thin to handle things.  A wrench/Vise Grips, pressure snaps it out.  Maybe two Coleman stoves, a 242NL and my Unimet I believe had unusual C/V's. 
Duane
Duane-All seasons, year round backpacker and camper.  So many stoves and lanterns, who's counting.
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