Check the seal on the cap.If you are loosing presure spray it with soapy water as you pump it.Look for bubles around cap,pump and seams.If cap is leaking, replace the O-ring or seal.You can even buy new caps.
Thanks for all of the advise guys. I have decided that getting a propane stove to replace a twenty something year stove is the best bet. Might try to rebuild it later on. Bill
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