Welch duoseal 1398 help

I want to use this pump as a source of vacuum for a wood drying kiln. Id like to crack this thing open but I’m afraid I’ll fuck something up if I don’t have the owner/service manual. But I’m having trouble finding a manual for this pump.

Can anyone point me in the right direction?

Not specifically for the 1389 but here’s a manual, they should be pretty damn similar. There’s really not much in a vacuum pump to get fucked up if you disassemble it to clean it out.

duoseal manual.pdf (4.0 MB)

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I figured the 1397 ought to be pretty similar but the 1398 are vastly different.

What you posted doesn’t discuss this particular model, but thank you anyways.

just take pictures as you disassemble; keep a dissassembly log if you must!

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not the service manual, but should help.

says it has the 1398 in there

idealvac also has the rebuild kits…

search term was
google.com/search?q=duoseal+“1398”+exploded

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you’re one of those folks who RTFM’s then voids warrantees aren’t you…

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This helps a lot thank you. I guess I’ll have to grab a kit from them.

lol im one of those dudes who reads the manual just to void the warranty x)

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