The bellows is installed on the stern tube and is then compressed a set distance by the stainless collar which ensures a good and even seal between the carbon flange and the stainless rotor.

Stern gland boat. The original bearing was white metal the outer 15 mm of larger diameter being retained by the screwed cap. The Worst Narrowboat Tutorial Ever If playback doesnt begin shortly try restarting your device. Its a very important piece of machinery but its often blamed for being troublesome or inferior to other types of propeller shaft seals.

Problems with packed stern glands. It has nothing to do with the inboard bearing - known as the stern gland. These seals should be tightened so the expel a drip of water every minute or so when underway.

Im Dan Brown and. The hose ends should be double clipped preferably with 316 stainless Mikalor type clamps. Change it with the boat in the water possible and we were seriously considering this option.

When you remove the old stern gland you are effectively opening a hole in the bottom of the boat below the waterline. Call us 0345 1300 710 for any questions. Stuffing Box type stern gland.

If the boat is on the water I doubt that frost would have much effect on this and it is possible that while winterising the raw water system with antifreeze a certain amount will have. Two models are available Type 1 for shafts up from 20-95mm 34in to 334in. This video shows you how to grease a stern gland on a narrowboat and when this should be done.

On minimal wear using the greaser prior to removing the old packing may seal the shaft. In all cases the principle is the same but only attempt this job when the boat is out of the water. Whatever type of greaser you have fitted your lecturer would NOT ADVISE the use of water pump grease especially if you have a.