You want at least a 1/2" of the stuffing tube showing, this will be positioned correctly in the next step. Maintain this gland around the prop shaft to keep leaks at bay. Packing The Pump Correctly. From "Hands-On Sailor" in our January 2008 issue. 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 Use a split busing or a tamping tool. DIY Stuffing Box Maintenance Saves Dollars and Makes Sense. Latest. Sailing Totem: Bringing Holiday Spirit Cruising. Detailed instructions on how to install a pump stuffing box. Ninety percent of all sailboats with auxiliary inboard engines have a flexible stuffing box with traditional packing gland that usually goes unattended until … Charter Provisioning in the Covid-19 Era. 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. Stuffing Box Installation: The Wrong Way. This important Packing installation technique helps reduce leakage of the "pumped up" process liquid from the Stuffing Box. Here's an illustrated step-by-step to help you do it right. December 4, 2008. d) Rotate shaft to lift plunger and stuffing box free of pump body. a) Rotate shaft until plunger is at bottom of stroke. Service Your Stuffing Box. NEVER use a screwdriver or a sharp tool. Charter. By Steve D Antonio. b) Tighten packing gland bolts. Many packing failures are due to incorrect installation of the packing. REMOVE ALL THE OLD PACKING FROM THE STUFFING BOX. “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. 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. A challenging stuffing box set up may require moving the engine to repack it. 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. 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. • Install lantern rings. August 26, 2012. People. 2. With the stuffing tube in the hull install the strut on the bracket. More How To. The stuffing box is the seal around a boat’s propeller shaft that keeps the water out and allows the shaft to rotate freely. The following steps have been devised to ensure effective installation of packings on pumps and valves. By Ed Sherman. Install each packing ring individually, carefully seating each packing ring in the bottom of the stuffing box. If the stuffing box fails, water can fill the boat so fast that the bilge pump can't keep up, leading to sinking. You'll notice that the stuffing tube is hanging out of the back of the strut. c) Remove four bolts holding stuffing box to pump body. See also the final chapter on page 2 "External View of installed Through-Hull" INSTALLATION DETAILS. 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. Clean box and shaft thoroughly and examine shaft or sleeve for wear and scoring. It is important to seat the packing rings toward the bottom of the box because of radial expansion.