[GreenKeys] Grease and Oil

[DR HOUSE]

Someone had their head on backwards...

Don K9TTY


On 9 Aug 2012, at 3:12 PM, airrelic at juno.com wrote:

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: 5
Date: Wed, 8 Aug 2012 21:49:33 -0500
From: DR HOUSE <k9tty at dls.net>
Subject: Re: [GreenKeys] Grease and Oil
To: Jim Haynes <jhhaynes at earthlink.net>
Cc: greenkeys at mailman.qth.net
Message-ID: <CE320C5D-4C73-4A51-8B01-053D1D2E1ABA at dls.net>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes


On 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 about
the kind in the red-white-black can.  It is indeed too light for
Teletype use.  However the 3-in-1 brand also has a 20 wt oil in
a blue and white can and that seems to be quite usable.

jhhaynes at earthlink dot net

YES 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 even
suggested adding kerosine if the temperatures dropped significantly.
I believe these recommendations
were for signal corps machines used in military tactical applications
perhaps in Alaska or Greenland.

Don
K9TTY


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