For years I had repeatedly had very unpleasant problems with my original stuffing box for my green diesel running dry (my sailboat has a very long and flat stern tube). I really tried everything including infrared temperature monitoring with alarm for security reasons!
With EVOLUTION, that's all history. Even after 8 hours of running engines and full throttle engines, I never had more than 39 C at the rubber stuffing box - PERFECT.
However, I installed a fresh water supply via a T-piece in the ventilation hose as additional security.
After 200 engine hours, I finally have a 100% tight stuffing box again (not a single drop to date!!!) and, above all, a stuffing box that doesn't overheat or run dry!
I can only warmly recommend the product - absolutely trustworthy quality!!!
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by Rudolf A.
7/6/2023
Verified purchase
Variant:
17502
The quality of all components is convincing. The dimensions correspond exactly to those of the usual original equipment manufacturer "XY" for this type of shaft seals. The lubricant reservoir is defined by 2 softer sealing lips, unlike "XY" known. The assembly is simple, the attachment stable. On its own, a suitable approach to tightly turning the brass bushing for the hose stop is missing. Here you have to work with pliers or put on a short piece of hose and then turn it tight. Since the corresponding thread is "only" vulcanised, not too much force should be used anyway. To check the lubricant level, simply unscrew the reservoir cap with an Allen key and visually inspect.
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by Rene P.
3/9/2019
Verified purchase
Variant:
17502
First processed to the jack Well and keeps tight. Also with the vent is wonderful. When I was watering, I checked that water came out of the vent if I held the hose below the waterline. At my ship, the stern tube is about 1m long. Therefore, I was concerned that it pulls the bush dry over the vent. However, there were no problems during normal lullablock operation - There was always water in the breather hose. Yes - until today. On the way from Bornholm to Swienemünde we had a good 6 BF, until 15 m before Swienemünde the wind suddenly dropped to zero. Of course, the 1.5..2m wave was still unchanged. Sailing did not go anymore and did not wait, because you are standing across the shaft. So machine on and with 4kn slowly swallowed. Of course, the ship has always made a good drive through the waves. No 10 minutes later I had strong vibrations in the shaft system. So despite the swell machine and the floorboards opened. The socket was really warm. Fat was enough inside, so machine on - the vibration came clearly from the socket! So I once sucked on the vent hose and had the feeling that it has long balked, until water came. Suddenly, the socket was quiet. For the test, I have the vent hose then held in a glass of water, which was empty in 1min. So we put the Pütz full of water next to the bushing and put in the hose. Interestingly, the bucket began to refill as the sea calmed down. I suspect that the jack on my ship starts to run dry at a certain speed. Luckily, we noticed that in time and could prevent major damage from water leakage. I would therefore strongly recommend a check valve in the vent hose to install, or to supply this with water. In my case, I now have a flange in the seagrass filter (located below the waterline) through which the socket can get water if necessary.
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by Anonymous
1/25/2016
Verified purchase
Variant:
17506