My PTO and a rebuild kit I bought had green grease. Earlier posts said
that Ten Tec called it "open gear grease" that they bought at the local
co-op. Some specs!
What is needed is a heavy (high viscosity) grease that won't dry out. I
tried lighter greases and they are not sticky enough; the spring tension
on the PTO shaft causes the knob to turn spontaneously.
73,
Bob WB2VUF
On 11/6/2017 5:58 PM, Stuart Rohre wrote:
I believe the Ten Tec kit used a red grease. It was a petroleum
product as I recall.
However that is not important. What is, you want a grease that does
not get hard over time and restores the lubricant properties without
going hard again.
One of the best universal greases I have used for substitute PTO
grease is Dow Corning 44 Ball Bearing, high temperature, grease.
Clean out all traces of Red
grease or whatever it was, and repack the PTO with Dow 44 on gear and
moving surfaces that touch other moving surfaces.
OR, for a quick fix that should last the life of your interest in the
radio, is to remove excess hard grease, and spray Triflow onto the old
grease remaining to rejuvenate the lubrication and free up hard to
move gear and worm parts. Tri Flo has microscopic Teflon ball
bearings which increases its lubricating properties. A little goes a
long way. I think I still have Tri Flo in a "trial size" that has
done most of what I needed over the years.
Do NOT try to use WD40!!! It is not an oil or lubricant, but a water
displacement chemical (water displacement formula 40), that attracts
dust and makes the problem worse if it is used.
-Stuart Rohre
K5KVH
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