[GreenKeys] Grease and Oil

[airrelic at juno.com]

I picked a random Signal Corps manual and looked up Lubrication.

>From TM11-2215 dated June, 1951, Teletypewriters TT-5/FG and TT-6/FG, Chapter 3 page 69
"39. Recommended Lubricants...
... KS-7470 Oil, Lubricating Teletype Part No. 88970*
OE 10 Oil, Engine, SAE 10.*

*When the temperature is so high that lubricating oil (KS7470) runs off the parts, engine oil (OE 10) may be substituted."


That seems kinda funny to me. Personally, I use the Blue and White 3-n-1 SAE 20.

Kevin

Message: 5Date: Wed, 8 Aug 2012 21:49:33 -0500From: DR HOUSE <k9tty at dls.net>Subject: Re: [GreenKeys] Grease and OilTo: Jim Haynes <jhhaynes at earthlink.net>Cc: greenkeys at mailman.qth.netMessage-ID: <CE320C5D-4C73-4A51-8B01-053D1D2E1ABA at dls.net>Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yesOn 8 Aug 2012, at 9:09 PM, Jim Haynes wrote:This is a topic that is always bubbling away not far from the surface,hi.When Don says not to use 3-in-1 oil I assume he is talking aboutthe kind in the red-white-black can.  It is indeed too light forTeletype use.  However the 3-in-1 brand also has a 20 wt oil ina blue and white can and that seems to be quite usable.jhhaynes at earthlink dot netYES Jim...I agree, the problem is that the blue and white can is not as well  distributed as the red-white-black can.Teletype specs specified 10 weight oil if the machine was running in a  very cold climate.  They evensuggested adding kerosine if the temperatures dropped significantly.   I believe these recommendationswere for signal corps machines used in military tactical applications  perhaps in Alaska or Greenland.DonK9TTY
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