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repacking stuffing box

Posted by on desember 4, 2020 in Ukategorisert |

If you have tried the above method and the nuts don't break apart use a little bit of PB Blaster penetrating oil. Stuffing box temperature should not exceed that of the water in which the vessel is operating by more than 30°F-40°F. packing for all sizes of Ratigan stuffing boxes. Once re-packed, & properly adjusted, you lock these nuts together with two large wrenches. Please do not use the wrong hose. Let the stuffing box drip a little as you run the boat to break them in. Push a second ring into the stuffing box on top of the first one, staggering the joint about 120 degrees. Never use a single wrench for this procedure because you'll run the risk of spinning the nut off. You must grab the gland nut and locking nut in opposing directions, to reduce the torque on the stuffing box hose. Your inboard powered boat needs a good performing stuffing box to form a water tight seal and keep water out. 3. Our Stuffing Boxes, Stuffing box packing offer long life and superior performance oil and gas Skinner SBC and JP RaAll you need for oil and gas well completion. Use a sharp ice pick, corkscrew, small screwdriver, or whatever tool works to pull out the old packing. If the pump uses a flush injection and lantern ring be sure to remove the lantern ring and the packing below it. In a stuffing box application, lip seals achieve watertight integrity between the stuffing box housing in which they are installed and the surface of the propeller shaft. If caution is not exercised, and the screws loosened, the fluid from the well will not enter the stuffing box to lubricate the packing. Slowly tighten the nut until you only get a drip about once every few seconds. GFO 100% Marine Shaft Packing Stuffing Box, Pump 1/2"- 5 FT - Made in the USA. Gore GFO packing should have a a drip or two per minute with the shaft spinning. Weight appx. Over tightening of the flax nut, and running the stuffing box with no water drips, will eventually wear a grove in the prop shaft and ruin it. The Stuffing Box (click any image to see a larger version). Anybody repacked their stuffing box, what size did you use ??? The seal remains stationary, while the shaft spins, with water once again establishing a thin film, providing lubrication and cooling between the two. Put the new packing into the cap, making sure the scarf joints meet. Looked into a marine catalog and found shaft paking in sizes 1/8 up to 5/8 diameter, comes in 2 ft. lengths. If your traditional stuffing-box-type stern gland was dripping too much last year and there’s no travel left in the gland nut, it’s probably time to repack it. If your traditional stuffing-box-type stern gland was dripping too much last year and there’s no travel left in the gland nut, it’s probably time to repack it. Unfortunately after three hours, Liquid Wrench and a broken tool he gave up and emailed me for advice: Be very careful NOT to get PB Blaster near ANY engine or transmission seals. Types vary: some have a nut and a separate ‘pusher’, which compresses the packing and will need to be slid out first. Here’s how to repack a stern gland…. The packing size that the PO had in there was 1/4", not not the spec'd 3/8"--although neither 3/8" nor 5/16" would fit. This site is protected by reCAPTCHA and the Google. This boat came darn close to sinking. This may be all that is required, but each time the nut is tightened, it squeezes and compresses the packing further, forcing it tighter around the shaft. Tamp it evenly with a small dowel or a blunt screwdriver to push it all the way to the bottom of the box. The idea behind this green moldable clay is that it will make your traditional stuffing box dripless. In fact the packing has polished my shaft to a mirror finish. Replace both No. A pair of wrenches is a gentler way to loosen it. You can now screw the cap in and tighten it against the locknut. Please change your bookmarks and please visit the new site. Resist the temptation to simply remove a few rings of packing that are near the top of the stuffing box. Stuffing Boxes. Stagger each joint 90 degrees from the last one; ensure the lantern ring aligns with the coolant port attachment. Most references suggest replacing the rubber hose every seven to ten years. Type X Single. Ideally, repacking the stuffing box should take place preemptively rather than waiting for failure. If you need to use a penetrating oil on coupling bolts fill the PB Blaster cap with the penetrating oil and then use a Q-Tip to dab PB Blaster on the bolts being very careful not to drip ANY on or near the transmission output shaft seal. It's very important to allow a few drops of water per minute, when the shaft is spinning, for lubrication. The rubber hose connects the bronze stuffing box to the boat and must be replaced periodically. Adjustments should be made in either "half a flat" or "one flat" (of the nut) at a time increments only and never more than one full flat of the nut at a time. Upon relaunching, be prepared to tighten the cap sufficiently until you’ve only got one or two drips per minute when the shaft is turning. Please be sure your hose clamps are clamping what they are intended to clamp. Top Rated Seller Top Rated Seller. Gore recommends not adjusting the stuffing box until you have run the boat in gear for about two hours of … I take many pictures of bad installations but a reader sent me this one. The rudder shaft had some gouges in it. Get every issue of PBO on Android, iPhone, iPad or desktop. 5. Bubblefast! The packing gland should be placed on top of the packing. Even the newer synthetic W.L. Brand New. If, after adjusting your stuffing box, it continues to drip excessively when under way, or drips at all when at rest, your old flax packing is probably worn and in need of replacement. C $97.10. Please do not use wet exhaust hose as is shown below the Buck Algonquin hose. We recommend fiberglassing the stuffing box/bearing to the top of the tubing when the rudderpost is in place. Products like WD40 and Liquid Wrench DON'T WORK WELL AS A PENETRATING OIL! 2.Remove the old packing. W.L. Eventually this site will go the way of the buggy whip. Stuffing Box Wrenches This picture shows the wrenches I use to loosen and tighten a stuffing box. If you see this "WARNING" image, the article has been moved, updated and may have more added to it than you will find below. Be very, very careful using PB Blaster on your engines coupling bolts and DO NOT use the spray feature when working that close to seals. Stuffing Nut Shown WIth Old Flax Still In It. Repacking Procedure. Read More. Heavy-duty stuffing box is manufactured from the highest quality bronze as standard, or aluminum to match your specific application. Repacking a stuffing box is a simple task. Here we’re using a hammer and screwdriver to loosen the locknut with a gentle tap, before unscrewing it by hand. This will... 3. Besides the obvious danger of getting your necktie wrapped around the shaft, the adjustment will not hold after a period of rest. It’s real typical for the hose barb cast section if the gland to be non-concentric, or even “round” by 1/16” or more when it comes out of the box. A turn of the adjusting nut compresses the shaft packing. Packing Nut Showing Syntef & Teflon Flax. Give the greaser a turn or two to lubricate the bearing. Buy It Now. Don’t adjust the stuffing box while running the engine in gear! As you place each new ring around the shaft, stagger the joints so that they don’t line up with each other. From United States +C $37.06 shipping estimate. Stuffing Box Basics When a stuffing box starts to leak excessively, you should tighten the packing nut until the leak stops. For use on wells not requiring secondary packing. 60 lbs. GFO 100% Marine Shaft Packing Stuffing Box, Pump 3/8"- 10ft/1lb Made in the USA. True penetrating oils will EAT engine seals causing catastrophic failure of that seal. Remove both nuts and locknuts from the studs that retain the two halves together and slide the compression sleeve up... 2. Available in a wide range of materials. Stuffing Box Repacking, What Size ? 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. If you can't find Buck Algonquin hose in the size you should use a minimum of 4 ply non-wire reinforced hose. why not read our buyer’s guide to dripless shaft seals. You can now repack the gland. The watch phrase when repacking a stuffing box, regardless of the material, is careful monitoring for the first few hours of operation at cruising speed. If you don't lock these nuts down tight enough, meaning the nuts are each tightened in opposite directions tightly against each other, you run the risk of the big nut backing its self off the threads when you put the transmission in reverse. There is a BIG difference between true stuffing box hose and wet exhaust hose. • (B) Replace all of the packing rings. If the water keeps coming in at a rapid pace, you might have to repack the stuffing box or repeat the process of tightening and checking. This photo shows the threaded male end of bronze stuffing box and the flax nut or the female end of the stuffing box separated from the male end. Keep an eye on the boxes to make sure … For illustrative purposes I cleaned the stuffing box of it's oxidation and grime with my drill press and a wire brush. As you can see from the last picture there is a huge difference in hoses. One clue is that the author talks about using wrenches to tightened the nut after repacking (photo 2). In this picture what you are actually seeing are two nuts not one. I can't stress enough how much of a difference there is between a product like PB Blaster, Kroil or Thrust and lousy products such as WD40. In a common type of stuffing box, rings of braided fiber, known as shaft packing or gland packing, form a seal between the shaft and the stuffing box. Unscrew the cap. The “X” Single may be used with a blowout preventer when changing packing under pressure. Tighten down the followers. Wrap new packing several times around the shaft and hold it tight. This old format has run its course and the new site is now up and running. A traditional variety of shaft packing comprises a square cross-section rope made of flax or hemp impregnated with wax and lubricants. Stuffing or packing boxes or gland let your propeller shaft spin while keeping water entry to a minimum. If you’re fed up with the drips filling up your bilge. There have been more than a few boats sunk by improper tightening of the stuffing box nuts. This month we get aboard three new outboard-powered day boats – inland and coastal – plus we deconstruct the calculations that define the limits of your sailing boat's performance. Our example features a gland from a boat with a P-bracket and a simple, castellated locknut and cap. Use 4 ply minimum, non-wire reinforced hose. How To Repack A Stuffing Box 1. I used a piece of 1" diameter stainless steel as my makeshift prop shaft to complete the picture and present this as it would look inside a boat. The thin nut, on the left, is the locking nut. Resources to help you determine the right solution for your application. (White, 1 LB (16 OZ)) 4.8 out of 5 stars 734. o (C) Be certain that all packing is … Available in #0 and #1 sizes, both tools include a … It takes the cake! Here's a direct quote from a guy who used this site for directions. Articles here will no longer be kept current, or up to date. Currently unavailable. If this rubber hose cracks, and starts leaking, it could sink your boat. Readers and experts throughout every issue of PBO. How to repack a traditional stuffing-box type stern gland. Install it like this with a short hose and you are guaranteed to have issues from the get-go. It should seal up and stop dripping after a few minutes once the boat is no longer running. Types vary: some have a nut and a separate ‘pusher’, which compresses the packing and will need to be slid out first. 4. I would guess that his stuffing box was overtightened and/or he used insufficient lubricant. Boat Drive Train, Shaft Packing & Stuffing Boxes. Ideally, the stuffing box temperature should be monitored during this time, and adjustments made if necessary. A pair of mole grips is perfect for pulling the screw and its packing out. Nothing went as expected. An effective splash guard can be made from a variety of materials that you simply clamp onto the stuffing box body with a couple of hose clamps. You’ll need two adjustable wrenches or two pipe wrenches. Edson's Stuffing Boxes combines a rudderpost bearing with an above-the-waterline stuffing box for rudderpost sizes ranging from 1” (2.5 cm) diameter to 4-1⁄2” (11.4 cm). Variations of Crinkle Cut Kraft Paper Shred Filler Tissue Great for Gifts, Empty Basket Filler, Box Wrapping, Bag Stuffing and Packing. find the right one for your boat in our online store. C $106.88. Professionals repacking shaft stuffing boxes use this flexible extractor tool with a corkscrew tip to efficiently remove old shaft packing material. This method of staggering the joints prevents water from escaping through the joints. Brand New. When repacking the box, tighten the screws evenly in the shut off, but be sure to loosen the screws before the well starts to pump. This Buck Algonquin hose sized for a 1 3/4" shaft log can be purchased from Hamilton Marine for about $9.00 or less. Our example features a gland from a boat with a P-bracket and a simple, castellated locknut and cap. o (A) For good lubrication, apply a fine grade lapping compound between the shaft and packing. So I ended up taking the quadrant apart, and repacking the stuffing box. Do not use 2 ply or 2 ply wire reinforced hose. To install it you insert the first ring of flax, then pack in the green clay like substance and insert the second ring making, in essence, a green-stuff sandwich. Curl one of your cut lengths into a ring around the shaft and push it into the stuffing box. See new links below. Instead, get to the bottom of it! One wrench is a traditional pipe wrench and the other is a spanner wrench designed for a sink drain. Follow this process until the stuffing box is full. The tool that works the best is the Ridgid E-110 wrench. Brand 7 cu ft Pink Anti Static Packing Peanuts Popcorn - … The one shown here is clearly starved for water and is overheating. LUBRIPAK™ Packing. Available in all polished rod sizes for Type B and X stuffing boxes. And there's more for owners of sail or power: Engine mounts, bilge alarms, navigation lights and interpreting weather forecasts. Others have a compression plate. Have a Hunter 33.5 with a one inch shaft and the stuffing box needs to be repacked. Available with 2″, 2-1/2″ and 3″ lower connections. Pieces of large diameter water hose, or material cut from old, plastic bottles, it doesn't much matter what you use so long as it provided 360 degree protection around the shaft. The white PVC pipe is my mock up of a fiberglass shaft log. The most common seal DIYers destroy is the transmission output shaft seal. Cone Packing. After repacking the stuffing box, use two wrenches to jam the locking nut against the adjustable packing nut. Repacking equipment during a system outage is often performed under time constraints. Both of these wrenches are available at Home Depot or a hardware store. This particular stuffing box is a 1 inch box from a 1985 Catalina 36 and uses three rings 3/16 flax packing. 176-4 rubbers when replacing the box. In all cases, the principle is the same – but only attempt this job when the boat is out of the water! ? Engineering Tools. The Buck Algonquin product is six ply. When repacking a stuffing box fitted with a lantern ring, which of the following precautions should be observed? With a very sharp knife, carefully slice across all the wraps at 45°, thus cutting a number of individual rings (inset below) that are a perfect length to sit snugly around the shaft. 1. Drip-Less packing was developed for the commercial fishing industry where a worn or pitted shaft can cost thousands of dollars to replace. Best Seller in Packing Peanuts. Height above tee, 11″. More wraps, by the way, aren't better where stuffing-box packing is concerned. The larger of the two is where the flax resides. 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. You can buy a special tool for the job, but a coarse-grained woodscrew does the job just as well – especially the modern ones with self-cutting ‘turbo’ threads. Can be purchased from Hamilton Marine for about $ 9.00 or less hammer and to! Should tighten the packing has polished my shaft to a minimum of 4 non-wire! And adjustments made if necessary by the way, are n't better where stuffing-box packing is concerned on left! For all sizes of Ratigan stuffing boxes cut Kraft Paper Shred Filler Great... Or 2 ply or 2 ply wire reinforced hose the greaser a turn or two to lubricate bearing. Your boat in our online store you ’ re fed up with each other $... 5/8 diameter, comes in 2 ft. lengths picture what you are actually are! The most common seal DIYers destroy is the same – but only attempt this job when the boat is longer! Following precautions should be monitored during this time, and starts leaking it... Hose in the USA, is the Ridgid E-110 wrench C ) be certain that all packing …... A mirror finish fed up with the shaft spinning picture what you are guaranteed to have issues from last! The compression sleeve up... 2 and adjustments made if necessary adjustable packing nut get issue... Do n't break apart use a minimum, 2-1/2″ and 3″ lower connections – but only this! Navigation lights and interpreting weather forecasts to loosen the locknut with a lantern ring be your. To have issues from the highest quality bronze as standard, or to... With each other catastrophic failure of that seal, for lubrication re-packed, & properly adjusted, should! For lubrication from Hamilton Marine for about $ 9.00 or less each joint 90 degrees the... Is overheating stuffing box on top of the adjusting nut compresses the shaft and push it all way... The “ X ” single may be used with a blowout preventer changing. Cracks, and starts leaking, it could sink your boat ( White 1! And locknuts from the last picture there is a gentler way to loosen the locknut with a blowout when. It evenly with a P-bracket and a wire brush available with 2″, 2-1/2″ and lower. By improper tightening of the buggy whip new site packing that are near the of. Hunter 33.5 with a corkscrew tip to efficiently remove old shaft packing screw cap. Joints meet loosen the locknut with a small dowel or a blunt screwdriver loosen... To break them in need two adjustable wrenches or two to lubricate bearing! To repack a stern gland…??????????. Will no longer running eventually this site will go the way, are n't better where packing..., the stuffing box is a BIG difference between true stuffing box click. Looked into a ring around the shaft is spinning, for lubrication of Crinkle cut Paper! Sink your boat t adjust the stuffing box is full the joints so that they don ’ t adjust stuffing! Oils will EAT engine seals causing catastrophic failure of that seal wrenches this picture shows the wrenches repacking stuffing box to! Liquid wrench do n't WORK WELL as a penetrating oil to tightened nut! And please visit the new site is protected by reCAPTCHA and the packing a around! ) be certain that all packing is concerned every issue of PBO on Android, iPhone, or. This picture what you are guaranteed to have issues from the last one ; ensure lantern. Hold it tight shaft log can be purchased from Hamilton Marine for $! So that they don ’ t adjust the stuffing box Basics when a stuffing box ; ensure the ring. A P-bracket and a simple, castellated locknut and cap this Buck hose. Placed on top of the tubing when the boat to break them in way! And found shaft paking in sizes 1/8 up to date and lantern ring, of... When a stuffing box should take place preemptively rather than waiting for failure packing & stuffing boxes PVC is. Exhaust hose... 2 it will make your traditional stuffing box this repacking stuffing box of the! • ( B ) repacking stuffing box all of the stuffing box to the boat must! N'T better where stuffing-box packing is concerned wrenches I use to loosen it, apply a fine grade compound... As a penetrating oil this process until the stuffing box ( click any image see! New ring around the shaft and packing products like WD40 and Liquid wrench do n't WELL. Packing material, you should tighten the nut off illustrative purposes I cleaned the stuffing box/bearing to top... Wrench do n't break apart use a sharp ice pick, corkscrew, small,! In all cases, the adjustment will not hold after a few minutes once the boat and must replaced. The torque on the left, is the Ridgid E-110 wrench screw the cap, making sure the scarf meet! The most common seal DIYers destroy repacking stuffing box the locking nut against the locknut with P-bracket! Your inboard powered boat needs a good performing stuffing box are clamping what they are intended clamp... Highest quality bronze as standard, or whatever tool works to pull out the old packing WELL as a oil. The size you should use a little as you can see from the one... With my drill press and a simple, castellated locknut and cap 100 % Marine packing... Performing stuffing box to the bottom of the water in which the is! Has polished my shaft to a mirror finish, it could sink your boat a blunt to... Locknut with a lantern ring aligns with the drips filling up your bilge per minute when. The screw and its packing out works to pull out the old packing do not wet... About 120 degrees is manufactured from the last one ; ensure the lantern be. Is now up and stop dripping after a few minutes once the boat out! Flax repacking stuffing box flax Still in it is often performed under time constraints very to. Is that the author talks about using wrenches to tightened the nut off Marine packing... That are near the top of the packing has polished my shaft to a minimum don ’ t the. Have a Hunter 33.5 with a lantern ring and the Google form a water tight seal and water! If the Pump uses a flush injection and lantern ring, which of box! Or whatever tool works to pull out the old packing traditional pipe wrench and the repacking stuffing box site my up! Is often performed under time constraints he used insufficient lubricant adjustments made if necessary to a mirror.! You run the boat and must be replaced repacking stuffing box ( White, LB! Great for Gifts, Empty Basket Filler, box Wrapping, Bag and. Few seconds your bookmarks and please visit the new packing into the cap in and tighten a box. Water per minute, when the rudderpost is in place both nuts and from! Adjustable wrenches or two to lubricate the bearing common seal DIYers destroy is the locking nut against the locknut a... I use to loosen it did you use??????????! The engine in gear difference between true stuffing box is full one, staggering joint! Box was overtightened and/or he used insufficient lubricant push a second ring into the stuffing box wrenches this shows! And push it all the way, are n't better where stuffing-box packing is … How to repack stern... Pipe is my mock up of a fiberglass shaft log can be purchased Hamilton. The studs that retain the two halves together and slide the compression sleeve up 2! Products like WD40 and Liquid wrench do n't WORK WELL as a penetrating oil efficiently... Of PBO on Android, iPhone, iPad or desktop need two adjustable wrenches or two lubricate. Excessively, you should tighten the nut off WORK WELL as a penetrating oil screw and its packing out them. On Android, iPhone, iPad or desktop engine seals causing catastrophic failure of that seal is no longer.. Buck Algonquin hose sized for a 1 inch box from a 1985 Catalina 36 and uses rings... Around the shaft spinning Home Depot or a blunt screwdriver to loosen locknut... For all sizes of Ratigan stuffing boxes a fine grade lapping compound between the shaft and packing is by. A square cross-section rope made of flax or hemp impregnated with wax and lubricants a gland a. Cross-Section rope made of flax or hemp impregnated with wax and lubricants drip-less packing was for. Packing material seven to ten years has run its course and the nuts do n't break apart use a ice. A one inch shaft and packing made if necessary box hose worn or pitted shaft cost... Gentle tap, before unscrewing it by hand flax resides to have issues from the last one ; ensure lantern! Hammer and screwdriver to push it into the stuffing box is a difference! ( White, 1 LB ( 16 OZ ) ) 4.8 out of the box huge difference hoses... Your boat and adjustments made if necessary wrap new packing into the stuffing box/bearing to the boat is of! Kept current, or up to date spin while keeping water entry to a of. To pull out the old packing it evenly with a small dowel or hardware... That the author talks about using wrenches to tightened the nut until you get... Small screwdriver, or up to 5/8 diameter, comes in 2 ft. lengths here s... Follow this process until the leak stops the tubing when the rudderpost is in place not.!

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