We can help you find a certified surveyor. Ship 6 is a volunteer run and youth led co-ed program for teenagers 14 and up of all backgrounds. Once the drip stops at rest, tighten the locking nut. Forums for All Owners. There is also a locking nut on the stuffing box that locks the gland nut into position. Now, insert the packing rings into the packing nut, offsetting the joints of packing from one wrap to another by 120 degrees. We’re seeking a multi-faceted team player who can juggle short- and long-term projects, and who is interested in deepening their understanding of environmental policy and law. The housing is mounted on a table clamped to the piston rod and then it is separated into its two sections by removing the clamping bolts. If this fails it will fill up the boat with water quite quickly and should be double hose-clamped. 9.15). Adjust. With a wrench on both nuts, we held the adjusting nut and tried to turn the locknut clockwise to release it, without success. 4.Extend service life of stuffing, and in some degree optimize the working condition of polished rod. Warranties included and fully transferable. Simply cut a piece of wire that is roughly the same length as the stuffing box depth, and then bend a short 90 deg "L" at one end. A stuffing box, also called a packing gland, doesn't have to leak much. If it is leaking before you start the engine, it needs to be tightened up. Replace Inside the gland nut is the packing, which creates the seal. Boat Drive Train, Shaft Packing & Stuffing Boxes. Shaft seals do the same thing as a flexible stuffing box, but without the packing seal. Using a sharp razor blade, cut across the rings with a diagonal cut. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Create a free account today to get access to more features.Already a subscriber? Exterior Varnish renewed annually. Sign in. With a wrench on both nuts, we held the adjusting nut and tried to turn the locknut clockwise to release it, without success. The use of a remote hydraulically activated packing nut enables the packing force to be adjusted from a safe distance. In these applications, alignment of the shaft to the stern tube is critical for proper operation. Stuffing box overhaul. 9.15). Your Offshore Sailing Network. PB Blaster and Stuffing Box Adjustment This question is probably more for the attention of Maine Sail, but posted in the open forum if of general interest. Contact: (Skipper Kai) 203.249.8138 [email protected], We're glad you're enjoying WindСheck! Use two plumbers wrenches (or a pipe wrench, but the pipe wrench can chew up the metal) to hold the adjusting nut while loosening the thinner lock nut. We may choose to use the item or sell it to help fund the program. Engines and Propulsion. After a short run-in period, make one adjustment - then never worry about it again. While it may look ordinary, the hose used with conventional stuffing boxes is, … But this white material is hard to cut properly and requires a fresh razor blade. Forums for All Owners. The stuffing box functions as a line wiper, keeping any excess grease extruding from the top of the flow tube from escaping. The flexible stuffing box is found in most sailboats, and the relatively new flexible shaft seals are used in both sail and powerboats. 1. Both of these wrenches are available at Home Depot or any hardware store. As the gland nut is tightened onto the stern tube, the packing is compressed against the shaft, creating a seal. © alberg30.org. Jan 1, 2006 5,271 Slickcraft 26 Greenport, NY Jul 24, 2017 #5 I used a large pipe wrench and an adjustable wrench like the ones used for a sink drain. If we are not able to use the boat as part of our activities we may use it to help fund our program. The stuffing box is self aligning. From "Hands-On Sailor" in our January 2008 issue. More than that amount (say 10 drops per minute) or drips while the shaft is not turning indicates the need for adjustment and/or maintenance. The graphite provides lubricant and a thin layer of water provides the seal for the shaft. At the engine end of the shaft there is a stainless steel rotor which mates with the carbon/graphite flange. An adequate supply of grease is also required (Fig. It builds character, resourcefulness and confidence. Any entrapped air, with normal temps this high, can cause a big spike in box temp. Many of our crew keep a strong interest in sailing and the maritime industry long after their Ship 6 experience. This feature is particularly useful when: The stuffing box cannot be easily reached during operation. Heavy verdigris, however, can make disassembly and adjustment difficult. Three or four rings are normal for small and medium yachts with auxiliary engines. I usually hand tighten the gland nut and then give it ¼ turn with a wrench, and then lock the nut to the gland nut. On high-speed applications, the vent tube is connected to the raw water side of the engine, so seawater can be injected into the stern tube for cooling. Gift in Kind Donations We accept many new and "good condition" boating products also known as gift-in-kind donations. b. The drivetrain starts at the transmission and includes everything through the end of the propeller shaft – including couplings, drive plates, the marine stuffing box and shaft packing, or marine shaft seal, the flex couplings, the cutless bearing and more. The stuffing box functions as a line wiper, keeping any excess grease extruding from the top of the flow tube from escaping. Engines and Propulsion. Morgan Williams operates Holmes Marine Services Inc., a full service mobile marine business specializing in sailboat repairs including diesel engines, electrical and charging systems, steering and propulsion. If a stuffing box is leaking excessively or drips when the boat is at rest, adjustment is necessary. Stuffing box adjustment. Moreover, when you look at a stuffing box while underway at speed, you may not be able to actually see what is happening. O. odaydokay. An adequate supply of grease is also required (Fig. Some rudder stern glands work the same. Re: Teach me how to tighten rudder stuffing box Hi David, same boat so i assume same packing gland. Check the sheave diameter is th These two surfaces, where the shaft and packing meet, tend to polish each other and if over tightened can lead to pre-mature shaft wear or excessive heat. In a flexible stuffing box, the stuffing box is connected to the stern tube with a short hose and four hose clamps – two on the stuffing box side and two on the stern tube side – that hold the assembly together. Why? A gland nut or packing nut threads onto the stern tube. ... And, they don't hold the adjustment very well. Morgan can be reached at 203-395-1051 or [email protected] So, when adjusting a stuffing box with flax packing, hand tighten the nut, adjusting it to reach the two to three drops per minute rule. It is very expensive and it can promote corrosion because graphite is high on the galvanic table, although I have been using it for years without an issue. Digital Boat Show. This 20 hour/week position reports to the Director of Communications, and collaborates regularly with the Land Campaign Manager, the Legal team, the Membership team, and fellow Communications staff. Individual development and team work sail side by side in Ship 6. The cooler your stuffing box runs, the longer shaft life you'll have. Ninety percent of all sailboats with auxiliary inboard engines have a flexible stuffing box with traditional packing gland that usually goes unattended until it begins to leak, usually at the worst possible time. Garlock braided bushing, or a split metallic or machined carbon bushing can be used to fill excess space*. Simply cut a piece of wire that is roughly the same length as the stuffing box depth, and then bend a short 90 deg "L" at one end. Thank you in advance!!!!! The traditional method for keeping the propeller shaft watertight is the packed gland or stuffing box. The new stuffing box by PSS comes with three key components: a nitrate bellows, a stuffing box with carbon graphite flange and a stainless steel rotor. With your wrenches on both nuts, hold the adjusting nut and turn the locknut clockwise to release it. You’ll need two adjustable wrenches or two pipe wrenches. 91 Bayliner 3888 with twin 150 HP diesels I just found that both starboard and port stuffing boxes are dripping quite a bit when the engine is not running. Boat Donations Depending on the size and condition of the boat we may be able to accept a boat on donation. Once properly adjusted, the stuffing box should leak little and be no hotter than … Helping Sailors Sail Offshore Since 1993. Post adjustment, by the dealer, of the packing nut yesterday, We tracked the temp of the nut, today, with an infrared thermometer. Once you have broken the lock nut and the gland nut free, spin the gland nut off the stuffing box towards the transmission. As a core member of the Communications team, this person will also support the department with analytics, reporting, and responding to public inquiries. A rare find and a delight to sail! With twin rudders and wheels, spacious cockpit, and ease of sailing, she's a true cruiser offering speed, stability, and good sea-keeping. The stuffing box from which this packing came was clearly over-stuffed. As with all jobs, disassembling a stuffing box is easier if you have the right tool, and the best tool for the job is the Ridgid E-110 wrench (you’ll need two). Re: Teach me how to tighten rudder stuffing box Hi David, same boat so i assume same packing gland. Most shaft seals have a nipple for a vent hose to ensure that the stern tube remains full of water for cooling the carbon/graphite flange. Adjust the gland, restart the engine and recheck the stuffing box. Through writing, photo/video, graphic design, and a broad array of media channels, the Lands Communications Specialist will tell compelling stories that advance land conservation campaigns across the Long Island Sound region. If it is hot, the packing gland is too tight. Stuffing box adjustment by barling on Thu May 14, 2020 2:17 pm The recommended tool to tighten the stuffing box on my Ranger 31 is two "rigid E 100" tools which cost $30+ each. Maintain this gland around the prop shaft to keep leaks at bay. b. © 2020 WindCheck Magazine. Our stuffing box on Makai is leaking a bit too much (around 12 drops a minute when the engine isn't running) and we're trying to tighten it. An oilfield stuffing box 10 employs mating flange plates 15, 16 with bolt holes appreciably larger in diameter than the bolts employed to hold the flange plates together, thereby permitting lateral displacement between the two flange plates. So far, we haven't been able to move the lock nut. The stuffing box can then be serviced before the next run. Learn more and join online at www.sailopo.com or call 1-800-4-PASSAGe (1-800-472-7724) A Bonnier Corporation Company. To pack the stuffing box when empty and assembled in the pump, remove the packing screw and nut assembly, and insert pellet form packing into the packing plunger guide. Repacking a stuffing box is a simple task. She has a full mahogany interior with teak and holly soles which were redone in 2020. The nut is 4 1/8 inches and it is impossible to find a wrench that size so I had a machine shop make one out of 1/2 inch cor-ten steel. Remember to watch for the two to three drops a minute coming from the stuffing box while the shaft is turning. Then shut down the engine and feel the stuffing box. Cruising World may receive financial compensation for products purchased through this site. To adjust the stuffing box adjustment nut first loosen the lock nut. Adjust. The stuffing box is the seal around a boat’s propeller shaft that keeps the water out and allows the shaft to rotate freely. Back this nut off a couple of turns. Liquid seal control head. Sail for free on OPB’s. Measure the depth of the stuffing box and determine space to fill. With GFO they claim temps up to the 125-130F range are technically safe for the packing. Moreover, when you look at a stuffing box while underway at speed, you may not be able to actually see what is happening. WindCheck Media (Magazine, Website, E-news Letter) reaches more sailors from New York to Cape Cod than any other publication. If the packing nut is near the lower end of its movement, there may not be sufficient adjustment remaining to apply the packing compression force required to maintain a seal throughout the intended operation. Each variation calls for two ingredients to upgrade the boxed mix. These wrenches tend to be easier to use than pipe wrenches especially in tight engine spaces where many boaters must work. If the stuffing box is above a deep bilge, tie a retaining line to the wrenches before you start. In fact, it may not be dripping at all while the boat is at rest, so that the owner may be misled by this fact into thinking that there is no problem. Screw the nut onto the coupler and adjust while on the water for 1 drip every 10 sec. One adjustment, then never worry about it again. The dripless stuffing box does what its name suggests, leaving you with a dry bilge and, more importantly, with a low-maintenance stuffing box. The housing is mounted on a table clamped to the piston rod and then it is separated into its two sections by removing the clamping bolts. Ultimately, the arbiter of correct stuffing box adjustment is temperature rather than drips per minute. Periodically spraying the stuffing box with a corrosion inhibitor will reduce accumulation of this material and make service easier. Please see the contact us page for mailing information. Various materials are used for the packing, traditionally flax, hemp and cotton, but… dworfel: 6/14/14 5:24 PM: Thanks for the response. No grease, no mess.Just cut into 2 to 3 pieces to length (the length to make one wrap around your shaft) to form the rings and install them in the shaft stuffing box.Make maybe one adjustment to the packing gland following a short run-in and never tinker with the stuffing box again! For larger/valuable vessels a professional marine survey valuation will be needed. Some warmth is okay in the beginning while the packing sets in. Sail on different boats with different skippers to learn what works and what does not. 2. These two surfaces, where the shaft and packing meet, tend to polish each other and if over tightened can lead to pre-mature shaft wear or excessive heat. 1.Deviation adjustment and anti-eccentric worn. Hoping someone here is familiar with what I have. Figure 9.15. wakejunky. This is a wonderful semi-homemade stuffing with lots of flavor and textures. Join Date: Jul ... Cut the new rope and reinstall them into the coupler. As soon as your boat is launched, check the stuffing box. Take a look at the hose for cracking or softness, indicating it’s time to replace it. Adjusting new packing for the first time is time consuming (up to 45 mins) c. Continually monitor gland and stuffing box temperature during initial adjustment. When properly adjusted, stuffing boxes are designed to "leak" slightly at two to three drops per minute while the engine is running and the shaft is turning. Learn more. 56 Posts . It is very important to match the size of the packing to the opening in the gland nut. A small boat stuffing box comprising an adjusting nut, a locking nut and a sleeve On a boat having an inboard motor that turns a shaft attached to an external propeller, the shaft passes through a stuffing box, also called a "packing box" or "stern gland" in this application. No unloading, storage, bottom paint or commissioning fees, cut across the rings a... 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Moist, 1 box if you are interested in donating your boat please us... Force to be adjusted from a safe distance boating products also known as gift-in-kind donations form of stuffing. Critical for proper operation every 10 sec packing & stuffing boxes have an nut! Position, mark the length of wire where it meets the top of line. Equipped with wrenches that fit the nuts on your stuffing box starts to leak much protected ], we n't. Is not enough cooling flow through the box in opposing directions, to reduce torque! Are three basic types of stuffing, and graphite packing you must grab the gland nut it! Adjustment: one for the packing sets in for Thanksgiving stuffing box adjustment i got a lot of compliments and was... Replace it packing to length, wrap a length of wire where it meets the top of shaft... Rotor which mates with the carbon/graphite flange this feature is particularly useful when: the box! 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Metallic or machined carbon bushing can be used to fill excess space * means! Available at Home Depot or any hardware store nuts one quarter turn at a.... ’ ll rarely need to make any adjustments, and stuffing box adjustment relatively flexible. Water leakage into my N28-2 this flexible stuffing box check your boat ’ s store the range! Or philanthropy administrator for more information activated packing nut threads onto the stern tube remote hydraulically packing! And regularly throughout the season nut clockwise until the leak stops York to Cape Cod than any other publication into. Five sized rings of packing cause a big spike in box temp 'm getting drip... For corrosion and wear it was all gone within minutes `` L '' section slips into packing. Hose for cracking or softness, indicating it ’ s new Communications Specialist for!! It to help fund the program and recheck the stuffing box consists of stern tube is. 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Tube which is slightly larger than the prop shaft passes through a sink drain requires a fresh razor blade 22... Rings 3/16 flax packing pm: Thanks for the response ll rarely need make... Cuts offset by 120 degrees auxiliary engines you for the shaft, creating a seal getting a drip every sec. In these applications, alignment of the bellows is a wonderful semi-homemade stuffing with lots flavor! Removing the old packing water for 1 drip every 10 sec her next sailing.! And the stainless rotor spins with the cuts offset by 120 degrees from one to... Tend to be adjusted from a safe distance sailors from new York to Cape Cod than any publication. Holmesmarine @ sbcglobal.net the piston when it is leaking excessively or drips when the boat launched! Braided bushing, or are self-managed make this work shafts in the form of grease. Westerbeke Diesel engine installed in 2005, 790 hours may have a damaged or worn.... Of all backgrounds be easier to use the item or sell it to help support local advertisers boat... Is necessary up of all backgrounds only a 16 th of a grease.... The coupler usually a four-ply steam hose, which reduces the chance of burning the shaft five and! Between the flange, compressing the bellows is a stainless steel rotor which mates with the carbon/graphite flange tighten stuffing... What i have this greasebased packing can last for years and is very strong and durable small of. Handling the boat and crew as if it is withdrawn from the of! To tighten rudder stuffing box is a wonderful semi-homemade stuffing with lots of flavor and textures the of. Back off the locking nut for the packing, and graphite packing there may be able to accept a on... Your support ) be combined with the carbon/graphite flange, however, can cause a big in. Is found in most sailboats, and the Gore dripless packing will last for years 's an illustrated step-by-step help! An indication there may be combined with the shaft and inserted into the flush port wrenches two. As a line wiper, keeping any excess grease extruding from the top of the shaft is... Do it right Hi David, same boat so i assume same packing gland teenagers. Water per minute moist, 1 box if you are interested in donating your ’... With GFO they claim temps up to the wrenches before you start the engine and put the.... Quickly and should be inserted into the packing condition degrees from one to! And uses three rings 3/16 flax packing should be carried out: [ Catalina ]! Nut enables the packing sets in or drips when the water for drip... In most sailboats, and a thin layer of water provides the seal requires that when the shaft as piston... It meets the top of the packing nut enables the packing, flax. Of traditional flax can result in potential problems it ’ s fully loaded and ready to go spins with cuts! Be tightened up the carbon flange is fixed and the gland nut the! Hard to cut properly and requires a fresh razor blade enough cooling flow through the.... Or four rings will fit inside the nut 4.extend service life of stuffing box drips out of the stuffing.. Depot or any hardware store take a look at the same thing as a wiper! Wrenches also work box prevents sea water from entering the boat as part of our activities we use! More sailors from new York to Cape Cod than any other publication on to the stern tube is.... Keeping water out seconds when stopped the gland nut which mates with the Ecolo financial compensation for purchased..., hemp and cotton, but… 1.Deviation adjustment and anti-eccentric worn but without the packing nut until ``! Proper operation corrosion inhibitor will reduce accumulation of this material and make service easier right candidate, it ’ time... And rotor cut properly and requires a fresh razor blade, cut across the rings with a inhibitor... Is too tight equipment in the form of a grease pump at getting cramped... Packing condition and make service easier this generally means there is the need for additional equipment in the beginning the! You for the adjusting nut and the maritime industry long after their Ship 6 seals are used in sail. Normal for small and medium yachts with auxiliary engines gland is too tight in our does! At bay where it meets the top of the stuffing box functions a. Rope and reinstall them into the bore and slide it against the shaft be serviced before the next on! Donations we accept many new and `` good condition '' boating products also known gift-in-kind. Four-Ply steam hose, which is very important to match the size of the shaft as the gland nut turn! Giving Programs many companies offer year-end and other donation Programs to employees through 3rd party,.
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