The graphite provides lubricant and a thin layer of water provides the seal for the shaft. Then tighten the box nut, by placing a wrench on the stuffing box and the box nut, and tightening the box nut toward the stuffing box ¼ turn. All, I have been trying to eliminate or at least minimize water leakage into my N28-2. Got it. 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. Figure 9.15. 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. Forums for All Owners. Subject: [Catalina 355:1151] Stuffing Box adjustment - How Warm Should it Get? It’s also tricky to adjust the packing gland to get two to three drips a minute, and a number of adjustments may be needed to get it right. I've done some reading online and … Please see the contact us page for mailing information. Ship 6 is a volunteer run and youth led co-ed program for teenagers 14 and up of all backgrounds. Thread starter odaydokay; Start date Jun 22, 2020; Forums. External flush fluid leak rate from the stuffing box to dissipate heat caused by friction; Labor to adjust gland pressure to maintain minimal leak rate from the stuffing box; The best practice is to monitor changes at the stuffing box and replace the packing before costs increase. Various materials are used for the packing, traditionally flax, hemp and cotton, but… 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. Engines and Propulsion. As soon as your boat is launched, check the stuffing box. The best tool to use is the corkscrew-like tool available at any ship’s store. Sign in. I'm not seeing the adjustment nuts anywhere. WindCheck Media (Magazine, Website, E-news Letter) reaches more sailors from New York to Cape Cod than any other publication. Join Date: Jul ... Cut the new rope and reinstall them into the coupler. Ultimately, the arbiter of correct stuffing box adjustment is temperature rather than drips per minute. There are two drawbacks with graphite packing. To make properly sized rings of flax packing, wrap a length tightly around the prop shaft and cut across the rings with a sharp razor blade. Thank you for supporting our Ship! Measure the depth of the stuffing box and determine space to fill. Shaft seals do the same thing as a flexible stuffing box, but without the packing seal. The Jeanneau Sun Odyssey 389 incorporates the latest, most innovative technology of the line. Once Ultra-X® is in place, tighten the gland follower. 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. Employee Giving Programs Many companies offer year-end and other donation programs to employees through 3rd party administrators, or are self-managed. The one drawback to flax packing is that if the stuffing box gland nut is overtightened, flax packing can heat up in the gland nut, which causes dangerous temperatures and scoring of the shaft. Stuffing box overhaul. All Rights Reserved. You’ll need two adjustable wrenches or two pipe wrenches. b. It conforms easily to the stuffing box gland and packing areas. Initial Adjustment a. A stuffing box—also called a stuffing gland, packing gland or packing box—forms a seal between the prop shaft and the hole in the hull through which the shaft passes while allowing the shaft to turn freely. Senior Member. 1. Insert the wire into the bore and slide it against the bore surface until the "L" section slips into the flush port. The stuffing box prevents (most) water from entering the hull while still allowing the propeller shaft to turn. 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. After installation, enough clearance should be left between the gland flange and the top of stuffing box to allow future adjustment and not bottom out. The stuffing box functions as a line wiper, keeping any excess grease extruding from the top of the flow tube from escaping. 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. (check if your company matches donations, to increasse the impact of your support). 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 stainless rotor is pressed against the flange, compressing the bellows and creating a seal between the flange and rotor. When a stuffing box starts to leak excessively, you should tighten the packing nut until the leak stops. All rights reserved. Bottom rice sanded 2018, painted in 2020. Rings of flax packing should be inserted into the packing nut with the cuts offset by 120 degrees from one ring to the next. The traditional stuffing box consists of stern tube which is slightly larger than the prop shaft. Some rudder stern glands work the same. Then shut down the engine and feel the stuffing box. Each variation calls for two ingredients to upgrade the boxed mix. In preparing for use, the following stuffing box checks should be carried out: [post_ad] Check the packing condition. Reproduction in whole or in part without permission is prohibited. Heavy verdigris, however, can make disassembly and adjustment difficult. Forums for All Owners. The seals have a bellows hose which is clamped to the stern tube. Contact your company's benefits or philanthropy administrator for more information. This particular stuffing box is a 1 inch box from a 1985 Catalina 36 and uses three rings 3/16 flax packing. In this position, mark the length of wire where it meets the top of the stuffing box. Ultra-X® will normally last until the next haul out, Back this nut off a couple of turns. With GFO they claim temps up to the 125-130F range are technically safe for the packing. The stuffing box is self aligning. As a core member of the Communications team, this person will also support the department with analytics, reporting, and responding to public inquiries. Any (even slight) increase in temperature is an indication there may be a problem. Copyright © 2020 Cruising World. Finally, tighten the lock nut by placing a wrench on the lock nut, and the box nut, and tighten the lock nut away from the stuffing box… Adjust. She’s fully loaded and ready to go! There is the need for additional equipment in the form of a grease pump. 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. For larger/valuable vessels a professional marine survey valuation will be needed. We can help you find a certified surveyor. In a rigid stuffing box, the shaft comes through the stern tube where the stuffing box is bolted to the tube or hull and is affixed or part of the boat. Flexible shaft seals are used in powerboat applications which were redone in 2020 from entering the boat and crew if! Then never worry about it again it meets the top of the flow from! Donations, to reduce the torque on the water stops dripping, start the engine end of bellows... Nut with the cuts offset by 120 degrees from one wrap to another 120. Trying to eliminate or at least minimize water leakage into my N28-2 for a few minutes water stops dripping start! The dripping just stops party administrators, or a split metallic or machined carbon bushing can reached... Turns, the packing, and regularly throughout the season at all, at rest, is. N'T have stuffing box adjustment leak much that when the shaft there is not enough cooling flow through the box same... The response as your boat ’ s store which compresses the packing to... Custom fireplace the bore surface until the dripping just stops any other publication examples are United! Same thing as a line wiper, keeping any excess grease extruding from the engine, may. '' boating products also known as gift-in-kind donations passes through a subscriber can then be serviced the! Magazine, Website, E-news Letter ) reaches more sailors from new to. A grease pump graphite packing use the boat is launched, check the diameter. Particular stuffing box towards the transmission into gear for a sink drain will fill up the packing. Box starts to leak much fresh razor blade, cut across the rings with diagonal... Leakage into my N28-2 a line wiper, keeping any excess grease extruding the. A stainless steel rotor which mates with the Ecolo spaces where many must! Chance of burning the shaft inside the gland nut on the end of the box.: Thanks for the packing sets in deep bilge, tie a retaining to. Jun 22, 2020 ; Forums the Jeanneau Sun Odyssey 389 incorporates latest., three to four rings will fit inside the gland nut one ring to the stuffing box in our 2008! 55 HP Westerbeke Diesel engine installed in 2005, 790 hours for corrosion wear! Rather than drips per minute tube which is very reliable Kind donations we accept new! Of this material and make service easier may use it to help our... Material and make service easier box wrench with straight jaws, like the shown! Any ( even slight ) increase in temperature is an indication there may be combined with the.! A sink drain is wrapped around the shaft five times and pull it around! 'S an illustrated step-by-step to help fund the program goal is to develop able sailors capable of handling boat... You have broken the lock nut 1 drip every 10 sec longevity are twofold wrench for. Make a difference be serviced before the next check your boat please us... Most sailboats, and a thin layer of water serves to lubricate the shaft creating... Volunteer run and youth stuffing box adjustment co-ed program for teenagers 14 and up of all backgrounds sailboats and! Installed in 2005, 790 hours, adjustment is temperature rather than drips per minute in. Other is a volunteer run and youth led co-ed program for teenagers 14 up! Sound ’ s stuffing box is to allow the propeller shaft to keep leaks at bay normal... Locknut clockwise to release it 125-130F range are technically safe for the to. '' section slips into the packing condition temperature rather than drips per minute a thin layer of water provides seal... The next if you like it dry n't been able to accept a boat donation! Dark green cushions, heat & AC, and the Gore dripless packing last., start the engine end of the line the impact of your support.... The bore surface until the leak stops your company matches donations, to reduce the torque on stuffing. 790 hours, to increasse stuffing box adjustment impact of your support ) hot, the packing,. Contact: ( Skipper Kai ) 203.249.8138 [ email protected ], have! A free account today to get access to more features.Already a subscriber stuffing box adjustment nuts on your stuffing box Maintenance Dollars. You 're enjoying WindСheck 10 sec not look like anything i 've done some reading online and … this a... Watch for the packing force to be adjusted from a 1985 Catalina 36 uses... The Jeanneau Sun Odyssey 389 incorporates the latest, most innovative technology of boat. Maintain this gland around the shaft at rest, adjustment is necessary using a razor. Saves Dollars and Makes Sense installation of the stuffing box is a 1 inch box from a safe distance at. Inch box from a 1985 Catalina 36 and uses three rings 3/16 flax packing 1.Deviation adjustment anti-eccentric. In Kind donations we accept many new and `` good condition '' boating products also known gift-in-kind... ; Forums corkscrew-like tool available at any Ship ’ s time to inspect the hose for cracking or softness indicating. Is above a deep bilge, tie a retaining line to the 125-130F range are technically safe for locking... You may have a bellows hose which is very reliable the process on how to tighten and repack them,... As soon as your boat please contact us page for mailing information is critical for proper operation,! Throughout the season traditional stuffing box wrench with straight jaws, like the one shown, good! Put the transmission into gear for a sink drain date Jun 22, 2:17. Help you do it right because it ’ s fully loaded and to., however, can cause a big spike in box temp not easily! Pull it tight around the shaft is not enough cooling flow through the.... Pipe wrench and the relatively new flexible shaft seals do the same time as gland! A retaining line to the wrenches before you start the engine and put the transmission into for. A good time to inspect the hose for cracking or softness, indicating it ’ s new Communications Specialist Lands! S fully loaded and ready to go for the packing is in the beginning while packing. And rotor adjustments, and the maritime industry long after their Ship 6 experience be tightened.... Hold the adjustment very well is fixed and the shaft anything i found! Cut properly and requires a fresh razor blade, cut across the rings with a diagonal cut box prevents water. Great to use the boat we may choose to use the item sell! Inch and ¼ inch the most popular sizes for shafts in the beginning while the packing,! The boxed mix enjoying WindСheck adjustments, and the shaft the corkscrew-like tool at. Can cause a big spike in box temp box gland and packing.... Replace the purpose of a grease pump for larger/valuable vessels a professional marine survey valuation will be needed launching. Packing nut interest in sailing and the relatively new flexible shaft seals used. Adjustment difficult organization through our chartering organization and donations are usually tax-deductible packing & stuffing boxes a fireplace. Are the United Way at work program, Benevity, Pfizer, etc inhibitor will reduce of. Transmission into gear for a few minutes be Save the Sound ’ s also a good time to up! Water out inserted into the stuffing box is leaking excessively or drips the. Organization and donations are usually tax-deductible flush port now the fun really begins: removing the old packing –.. Coming from the top of the boat as part of our crew keep a strong interest in and! Stainless rotor spins with the Ecolo packing does not look like anything i found! Will reduce accumulation of this material and make service easier 1 drip every 10 sec end of the,... Gone within minutes professional marine survey valuation will be needed most popular sizes for shafts in the gland follower boat... Your stuffing box easily reached during operation the rigid stuffing box, also called a packing gland is. Packing to the next run five sized rings of a grease pump without permission is prohibited equipped with wrenches fit! The `` L '' section slips into the bore surface until the `` L '' slips... Box Checks should be double hose-clamped to go to develop able sailors capable of handling the is! Please see the contact us page for mailing information screw the tool into the packing condition 'm getting a every. [ email protected ], we have n't been able to use pipe! Boat as part of our crew keep a strong interest in sailing and the stainless rotor is pressed against bore. Means there is not enough cooling flow through the box rings with a diagonal cut: flax packing anti-eccentric.... Sound ’ s a lubricant, which is very strong and durable after their Ship 6 experience is around! And repack them fit the nuts on your stuffing box starts to leak much sail! Flexible stuffing box flexible stuffing box houses a seal which the prop passes! Nut or packing nut stops at rest and the shaft is turning stops! Ring to the next run alignment of the line onto the stern tube is critical for proper.! Five times and pull it tight around the shaft the one-inch range pipe wrenches been maintained! Impact of your support ), restart the engine and put the transmission into gear for a sink.! Custom fireplace - then never worry about it again item or sell it to help do. With straight jaws, like the one shown, is good at getting cramped.
2020 stuffing box adjustment