Re: 9th Series Front Shackle

Posted by Tim Cole On 2021/10/11 18:15:48
There are pins like that in the brake pivot arms as well. On the hand pump cars pulling the handle multiple times will start a lot of flow. I always assumed those pins reduced the amount of oil required to supply the lower parts. If the hand pump puts out a fixed volume lower than that of those channels nothing will reach the lower parts as the oil will sit around in empty space. On the automatic systems that was less of a problem because the pump was in continuous operation. That is of course until it broke. The hand pumps never broke. At least that I can remember. Once I saw the little pedal in the Rolls Cloud I which still had the Bijur and pushed it. Soon there was oil dripping on the floor. The hand pump system was great except that it didn't use an extreme pressure lubricant which chassis parts need (bronze is not a good material for EP lubricants). Packard would have done better to use a mileage driven automatic pump the same way as Duesenberg.

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