Re: HP 8640B stiff main tuning
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I have just put
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8640B Service Manual Volumes 1 and 2 inc CCT Pn 08640-90215 May 1991 .pdf Onto this site in the files also other info including 8640 note for sticking tuning Paul -----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Froggie the Gremlin Sent: 21 May 2022 16:46 To: [email protected] Subject: Re: [HP-Agilent-Keysight-equipment] HP 8640B stiff main tuning Avoid dissassembly. Get service manual. Try some gentle solvent then lube on the shaft , perhaps Iso Alcohol? Jon |
Paul Bicknell