[R-390] Oldham Coupler Maintenance

[Bob Camp]

Hi

It's the clean rather than the lube that's the important part in my  
mind.

Bob


On Oct 28, 2007, at 7:48 PM, Tim Shoppa wrote:

> Bob wrote:
>> Check your PTO for bad lubrication. The spring on the Oldham coupler
>> can only deal with a limited amount of torque. The same thing is true
>> of the screw driving the tuning core. Since the PTO is sealed they
>> often do not get a regular clean and lube treatment. The result can  
>> be
>> concrete where there used to be lubrication.
>
> The worst-lubed PTO I ever saw was a Cosmos that had been rebuilt
> (according to a sticker on it) by Raytheon in the mid-70's. It was
> severely gunked up with overlube. IMHO based on that experience, not
> getting a "Regular clean and lube" that's done by gunking everything
> up with too much lube is the worst thing that can be done to a PTO!
>
> Tim.
>