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[TowerTalk] US Tower Winter Winch Oil

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Subject: [TowerTalk] US Tower Winter Winch Oil
From: (Dick Flanagan)
Date: Sun, 12 Dec 1999 18:02:06 -0800
Thanks, Rick.  With the help of yourself and others, I located what I need.

Mobil SHC 630 is a synthetic gear oil designed for enclosed gears and
remains fluid down to -40 deg F.

Even better, Grainger stocks it for about $9 a quart (Stock #6Y778).

Life is good!  :)

Thanks to everyone for their help!

73, Dick

At 8:36 PM -0800 12/12/99, Rick Mainhart wrote:

>Dick (and the reflector),
>At the risk of sounding crabby (while I can be, I currently AM NOT!) ...
>Call your local oil and lubricants distributer, and give them the
>technical specifications on your needs. Ask them to recommend a suitable
>product, and enquire on minimum purchase requirements. If they distribute
>in bulk, they may be willing to provide you with a gallon (I suspect you
>might have to bring your own bottle) ... but some may be unwilling to
>discuss or deal with you at all, more due to liabilities (insurance, EPA,
>OSHA and the like). Or, they may only have 55 gallon drums and don't want
>to have a partial drum hanging around for the next 50 years! If you're
>nice to them, they might mention who they do sell bulk quantities of what
>you need, and maybe even a contact name and number. Can't hurt to ask
>If this doesn't work, check the local industrial distribution houses ...
>the ones that handle power transmission equipment (gearboxes, pulleys,
>belts, sprockets, gears ... that kind of transmission equipment). Often,
>they will have suitable lubricants on hand for custom-assembled boxes,
>service and sales. They will be more willing to provide smaller
>quantities, but usually at a bit of a price markup (industrial customers
>tend to need things Right Now).
>Pay their price without carping on what it is costing you (I include this
>comment, not for you, but for the seven others who will eventually read
>the archives and follow this step by step). Most of these people don't
>have the time, nor the interest in haggling over the price of a gallon of
>lube. Easy to see why some places won't deal with individuals at all.
>Good luck with your lubricant hunt. I can tell many stories from first
>hand knowledge how the proper lubricant will keep a gearbox (and
>production) on-line. By the way, the lifespan on a dry gearbox under full
>load is something like 24 hours before it comes apart! I didn't need to
>lecture on filling gearboxes in the future with the crew that did that
>Rick, WB3EXR
>On Fri, 10 Dec 1999 19:27:01 -0800 Dick Flanagan <>
>>Well, I received the write-up from US Tower regarding the use of
>>synthetic oils in their motorized winch gear boxes (thanks, Shana).

Dick Flanagan W6OLD CFII Minden, Nevada DM09db (South of Reno)

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