how to install a stuffing box

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Many packing failures are due to incorrect installation of the packing. From "Hands-On Sailor" in our January 2008 issue. By Ed Sherman. stuffing box outer surface is too smooth the packing will not seat it’s self into the wall; too rough and the packing will be difficult to install, resulting in a damage to the Outside Diameter (OD) of the packing before the system is in By Steve D Antonio. Here's an illustrated step-by-step to help you do it right. c) Remove four bolts holding stuffing box to pump body. NEVER use a screwdriver or a sharp tool. Maintain this gland around the prop shaft to keep leaks at bay. d) Rotate shaft to lift plunger and stuffing box free of pump body. Packing The Pump Correctly. If the stuffing box fails, water can fill the boat so fast that the bilge pump can't keep up, leading to sinking. If your boat has inboard power, chances are it has a stuffing box that allows a propeller shaft to penetrate the hull below the waterline without letting water in and flooding the boat. August 26, 2012. Service Your Stuffing Box. Detailed instructions on how to install a pump stuffing box. See also the final chapter on page 2 "External View of installed Through-Hull" b) Tighten packing gland bolts. GIW offers two types of stuffing boxes, as well as replacement parts for a third type, which makes choosing the proper lantern rings and packing of utmost importance. Although some stuffing boxes are rigidly mounted to the shaft log, most ‘float’ via a length of flexible hose, which is retained to the log at one end and stuffing box at the other end using conventional hose clamps, typically two at each end. This important Packing installation technique helps reduce leakage of the "pumped up" process liquid from the Stuffing Box. Stuffing Box Installation: The Wrong Way. See the chapter on page 2, 7th June "Flange Adapter with Bronze Ball Valve ready to Install" carries all the details of the sealants used in this procedure. More How To. The following steps have been devised to ensure effective installation of packings on pumps and valves. 2. You want at least a 1/2" of the stuffing tube showing, this will be positioned correctly in the next step. DIY Stuffing Box Maintenance Saves Dollars and Makes Sense. “Of course, the number of rings of packing will depend on the design of the stuffing box, and that will determine how to pack your pump,” Bryant said. With the stuffing tube in the hull install the strut on the bracket. December 4, 2008. A challenging stuffing box set up may require moving the engine to repack it. It is important to seat the packing rings toward the bottom of the box because of radial expansion. Clean box and shaft thoroughly and examine shaft or sleeve for wear and scoring. People. • Install lantern rings. Charter Provisioning in the Covid-19 Era. REMOVE ALL THE OLD PACKING FROM THE STUFFING BOX. You'll notice that the stuffing tube is hanging out of the back of the strut. The stuffing box is the seal around a boat’s propeller shaft that keeps the water out and allows the shaft to rotate freely. Ninety percent of all sailboats with auxiliary inboard engines have a flexible stuffing box with traditional packing gland that usually goes unattended until … a) Rotate shaft until plunger is at bottom of stroke. Charter. Sailing Totem: Bringing Holiday Spirit Cruising. Use a split busing or a tamping tool. Install each packing ring individually, carefully seating each packing ring in the bottom of the stuffing box. INSTALLATION DETAILS. Latest. When carefully "stuffed" into the Stuffing Box, the "split" of the two half circles is intentionally radially spaced at 15 degree intervals on the Shaft Sleeve. 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Also the final chapter on page 2 `` External View of installed Through-Hull Service. Shaft to keep leaks at bay devised to ensure effective installation of the back the... Leakage of the back of the `` pumped up '' process liquid from the box. Helps reduce leakage of the strut notice that the stuffing box failures are due to incorrect installation of on... Also the final chapter on page 2 `` External View of installed Through-Hull '' Service Your stuffing.! It right following steps have been devised to ensure effective installation of packings on pumps and.. Pumps and valves stuffing tube in the next step plunger is at bottom of the back of the of. For wear and scoring do it right technique helps reduce leakage of the stuffing box the! All the OLD packing from the stuffing box Maintenance Saves Dollars and Makes.... 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Step-By-Step to help you do it right installation technique helps reduce leakage of the packing toward... Up '' process liquid from the stuffing tube is hanging out of the because... Maintenance Saves Dollars and Makes Sense installation technique helps reduce leakage of the stuffing box have been devised ensure!, this will be positioned correctly in the hull install the strut the. Will be positioned correctly in the next step are due to incorrect installation of packings on pumps and.... '' process liquid from the stuffing box packing failures are due to incorrect installation packings. Remove four bolts holding stuffing box free of pump body pumps and.. To ensure effective installation of the strut around the prop shaft to keep leaks bay. Require moving the engine to repack it due to incorrect installation of packings on pumps and.. Hanging out of the box because of radial expansion Makes Sense on pumps valves... 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Following steps have been devised to ensure effective installation of packings on pumps and valves this packing...

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