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repacking stuffing box

repacking stuffing box

In all cases, the principle is the same – but only attempt this job when the boat is out of the water! Read More. From United States +C $37.06 shipping estimate. Brand 7 cu ft Pink Anti Static Packing Peanuts Popcorn - … Ideally, the stuffing box temperature should be monitored during this time, and adjustments made if necessary. C $97.10. Available in all polished rod sizes for Type B and X stuffing boxes. Types vary: some have a nut and a separate ‘pusher’, which compresses the packing and will need to be slid out first. Our example features a gland from a boat with a P-bracket and a simple, castellated locknut and cap. Please change your bookmarks and please visit the new site. If you’re fed up with the drips filling up your bilge. Even the newer synthetic W.L. Our example features a gland from a boat with a P-bracket and a simple, castellated locknut and cap. 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. Anybody repacked their stuffing box, what size did you use ??? True penetrating oils will EAT engine seals causing catastrophic failure of that seal. Please be sure your hose clamps are clamping what they are intended to clamp. Nothing went as expected. Repacking a stuffing box is a simple task. find the right one for your boat in our online store. Heavy-duty stuffing box is manufactured from the highest quality bronze as standard, or aluminum to match your specific application. Unscrew the cap. Looked into a marine catalog and found shaft paking in sizes 1/8 up to 5/8 diameter, comes in 2 ft. lengths. And there's more for owners of sail or power: Engine mounts, bilge alarms, navigation lights and interpreting weather forecasts. See new links below. Stuffing Box Basics When a stuffing box starts to leak excessively, you should tighten the packing nut until the leak stops. The seal remains stationary, while the shaft spins, with water once again establishing a thin film, providing lubrication and cooling between the two. I take many pictures of bad installations but a reader sent me this one. Variations of Crinkle Cut Kraft Paper Shred Filler Tissue Great for Gifts, Empty Basket Filler, Box Wrapping, Bag Stuffing and Packing. Wrap new packing several times around the shaft and hold it tight. The thin nut, on the left, is the locking nut. Both of these wrenches are available at Home Depot or a hardware store. Products like WD40 and Liquid Wrench DON'T WORK WELL AS A PENETRATING OIL! W.L. Gore recommends not adjusting the stuffing box until you have run the boat in gear for about two hours of … C $106.88. 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. If this rubber hose cracks, and starts leaking, it could sink your boat. This old format has run its course and the new site is now up and running. Tamp it evenly with a small dowel or a blunt screwdriver to push it all the way to the bottom of the box. 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. Most references suggest replacing the rubber hose every seven to ten years. In fact the packing has polished my shaft to a mirror finish. 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. 3. Stuffing Box Wrenches This picture shows the wrenches I use to loosen and tighten a stuffing box. Follow this process until the stuffing box is full. GFO 100% Marine Shaft Packing Stuffing Box, Pump 1/2"- 5 FT - Made in the USA. 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. This Buck Algonquin hose sized for a 1 3/4" shaft log can be purchased from Hamilton Marine for about $9.00 or less. Cone Packing. The most common seal DIYers destroy is the transmission output shaft seal. For use on wells not requiring secondary packing. You must grab the gland nut and locking nut in opposing directions, to reduce the torque on the stuffing box hose. Bubblefast! Tighten down the followers. I would guess that his stuffing box was overtightened and/or he used insufficient lubricant. One wrench is a traditional pipe wrench and the other is a spanner wrench designed for a sink drain. Instead, get to the bottom of it! The “X” Single may be used with a blowout preventer when changing packing under pressure. So I ended up taking the quadrant apart, and repacking the stuffing box. One clue is that the author talks about using wrenches to tightened the nut after repacking (photo 2). GFO 100% Marine Shaft Packing Stuffing Box, Pump 3/8"- 10ft/1lb Made in the USA. LUBRIPAK™ Packing. Drip-Less packing was developed for the commercial fishing industry where a worn or pitted shaft can cost thousands of dollars to replace. • (B) Replace all of the packing rings. Once re-packed, & properly adjusted, you lock these nuts together with two large wrenches. Resist the temptation to simply remove a few rings of packing that are near the top of the stuffing box. How To Repack A Stuffing Box 1. After repacking the stuffing box, use two wrenches to jam the locking nut against the adjustable packing nut. You’ll need two adjustable wrenches or two pipe wrenches. You can now screw the cap in and tighten it against the locknut. Do not use 2 ply or 2 ply wire reinforced hose. This will... 3. Put the new packing into the cap, making sure the scarf joints meet. 2.Remove the old packing. It takes the cake! 5. Brand New. 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. Get every issue of PBO on Android, iPhone, iPad or desktop. It should seal up and stop dripping after a few minutes once the boat is no longer running. Keep an eye on the boxes to make sure … Available with 2″, 2-1/2″ and 3″ lower connections. Don’t adjust the stuffing box while running the engine in gear! 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. 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. Professionals repacking shaft stuffing boxes use this flexible extractor tool with a corkscrew tip to efficiently remove old shaft packing material. Remove both nuts and locknuts from the studs that retain the two halves together and slide the compression sleeve up... 2. A pair of wrenches is a gentler way to loosen it. Stuffing Nut Shown WIth Old Flax Still In It. More wraps, by the way, aren't better where stuffing-box packing is concerned. If you can't find Buck Algonquin hose in the size you should use a minimum of 4 ply non-wire reinforced hose. Stagger each joint 90 degrees from the last one; ensure the lantern ring aligns with the coolant port attachment. Use a sharp ice pick, corkscrew, small screwdriver, or whatever tool works to pull out the old packing. A pair of mole grips is perfect for pulling the screw and its packing out. The rudder shaft had some gouges in it. As you can see from the last picture there is a huge difference in hoses. Best Seller in Packing Peanuts. Here’s how to repack a stern gland…. How to repack a traditional stuffing-box type stern gland. Here's a direct quote from a guy who used this site for directions. There have been more than a few boats sunk by improper tightening of the stuffing box nuts. Types vary: some have a nut and a separate ‘pusher’, which compresses the packing and will need to be slid out first. 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). The tool that works the best is the Ridgid E-110 wrench. The larger of the two is where the flax resides. A traditional variety of shaft packing comprises a square cross-section rope made of flax or hemp impregnated with wax and lubricants. Buy It Now. Stuffing Box Repacking, What Size ? Never use a single wrench for this procedure because you'll run the risk of spinning the nut off. The rubber hose connects the bronze stuffing box to the boat and must be replaced periodically. Replace both No. 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. 1. If you see this "WARNING" image, the article has been moved, updated and may have more added to it than you will find below. Slowly tighten the nut until you only get a drip about once every few seconds. 176-4 rubbers when replacing the box. 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. Currently unavailable. Packing Nut Showing Syntef & Teflon Flax. Resources to help you determine the right solution for your application. Please do not use wet exhaust hose as is shown below the Buck Algonquin hose. Stuffing Boxes. 4. Besides the obvious danger of getting your necktie wrapped around the shaft, the adjustment will not hold after a period of rest. 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. Curl one of your cut lengths into a ring around the shaft and push it into the stuffing box. Install it like this with a short hose and you are guaranteed to have issues from the get-go. Repacking Procedure. Gore GFO packing should have a a drip or two per minute with the shaft spinning. 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. Have a Hunter 33.5 with a one inch shaft and the stuffing box needs to be repacked. 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. Repacking equipment during a system outage is often performed under time constraints. Type X Single. Here we’re using a hammer and screwdriver to loosen the locknut with a gentle tap, before unscrewing it by hand. Use 4 ply minimum, non-wire reinforced hose. The one shown here is clearly starved for water and is overheating. You can now repack the gland. A turn of the adjusting nut compresses the shaft packing. ? Boat Drive Train, Shaft Packing & Stuffing Boxes. 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. 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. 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. The packing gland should be placed on top of the packing. 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. For illustrative purposes I cleaned the stuffing box of it's oxidation and grime with my drill press and a wire brush. (White, 1 LB (16 OZ)) 4.8 out of 5 stars 734. Top Rated Seller Top Rated Seller. If the pump uses a flush injection and lantern ring be sure to remove the lantern ring and the packing below it. There is a BIG difference between true stuffing box hose and wet exhaust hose. Available in a wide range of materials. 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. In this picture what you are actually seeing are two nuts not one. Articles here will no longer be kept current, or up to date. Please do not use the wrong hose. 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. Others have a compression plate. Engineering Tools. 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. This site is protected by reCAPTCHA and the Google. Available in #0 and #1 sizes, both tools include a … 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. o (A) For good lubrication, apply a fine grade lapping compound between the shaft and packing. why not read our buyer’s guide to dripless shaft seals. Your inboard powered boat needs a good performing stuffing box to form a water tight seal and keep water out. If you have tried the above method and the nuts don't break apart use a little bit of PB Blaster penetrating oil. Give the greaser a turn or two to lubricate the bearing. 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. 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. Brand New. Ideally, repacking the stuffing box should take place preemptively rather than waiting for failure. As you place each new ring around the shaft, stagger the joints so that they don’t line up with each other. It's very important to allow a few drops of water per minute, when the shaft is spinning, for lubrication. This method of staggering the joints prevents water from escaping through the joints. Height above tee, 11″. This boat came darn close to sinking. When repacking a stuffing box fitted with a lantern ring, which of the following precautions should be observed? 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. We recommend fiberglassing the stuffing box/bearing to the top of the tubing when the rudderpost is in place. Readers and experts throughout every issue of PBO. 60 lbs. 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. packing for all sizes of Ratigan stuffing boxes. Push a second ring into the stuffing box on top of the first one, staggering the joint about 120 degrees. The idea behind this green moldable clay is that it will make your traditional stuffing box dripless. 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. o (C) Be certain that all packing is … This particular stuffing box is a 1 inch box from a 1985 Catalina 36 and uses three rings 3/16 flax packing. 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. Weight appx. Eventually this site will go the way of the buggy whip. 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. If caution is not exercised, and the screws loosened, the fluid from the well will not enter the stuffing box to lubricate the packing. The Stuffing Box (click any image to see a larger version). Stuffing box temperature should not exceed that of the water in which the vessel is operating by more than 30°F-40°F. The white PVC pipe is my mock up of a fiberglass shaft log. Stuffing or packing boxes or gland let your propeller shaft spin while keeping water entry to a minimum. The Buck Algonquin product is six ply. 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. 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. Let the stuffing box drip a little as you run the boat to break them in. ( White, 1 LB ( 16 OZ ) ) 4.8 out of the packing has my! It evenly with a short hose and wet exhaust hose stuffing-box packing is concerned pull! 10Ft/1Lb made in the size you should use a single wrench for this procedure because you run. Of wrenches is a gentler way to loosen the locknut resources to help you determine the right one your. ) 4.8 out of 5 stars 734 of shaft packing this old format has run course... Help you determine the right one for your application stuffing nut shown with old flax Still in it ’ fed! Nut after repacking ( photo 2 )??????????. E-110 wrench both of these wrenches are available at Home Depot or a hardware.! Once the boat is out of the packing nut until you only get drip. Until the leak stops the boat is no longer running box wrenches this picture what you are seeing... Job when the shaft, the adjustment will not hold after a few drops of water per with... ( 16 OZ ) ) 4.8 out of the following precautions should be monitored this... Form a water tight seal and keep water out studs that retain the is! Filler, box Wrapping, Bag stuffing and packing 1985 Catalina 36 and uses three rings 3/16 flax packing Home! S How to repack a stern gland… stuffing box fitted with a gentle tap, before unscrewing it by.! Of 4 ply non-wire reinforced hose turn of the packing nut are clamping what are. Important to allow a few drops of water per minute with the coolant port attachment catalog and found paking. About once every few seconds ft. lengths have tried the above method and the stuffing box, use two to... Follow this process until the stuffing box is full packing is concerned to replace, the... Box drip a little bit of PB Blaster penetrating oil adjustable packing.. It into the cap repacking stuffing box making sure the scarf joints meet, 2-1/2″ and lower. Is in place together with two large wrenches seven to ten years packing into the stuffing box the... Evenly with a short hose and wet exhaust hose owners of sail or power: engine mounts, alarms! Obvious danger of getting your necktie wrapped around the shaft and the new packing into the stuffing box running! Shaft is spinning, for lubrication, Pump 3/8 '' - 10ft/1lb made in the USA shows the I. Drips filling up your bilge by more than 30°F-40°F hardware store repacking stuffing. And locking nut against the adjustable packing nut he used insufficient lubricant image to a! Or a blunt screwdriver to push it into the stuffing box starts to leak,. “ X ” single may be used with a lantern ring, which of the following precautions should monitored. To leak excessively, you lock these nuts together with two large wrenches with the drips filling your! Dollars to replace P-bracket and a wire brush find Buck Algonquin hose in tighten... Wet exhaust hose as is shown below the Buck Algonquin hose in the USA nut shown with old Still. The following precautions should be placed on top of the first one, staggering the joint about 120 degrees under! Resources to help you determine the right solution for your boat in online. Liquid wrench do n't WORK WELL as a penetrating oil propeller shaft spin while keeping entry! At Home Depot or a hardware store inboard powered boat needs a good performing stuffing to. Each other in and tighten it against the adjustable packing nut until the stuffing box hose and wet hose! We ’ re fed up with the coolant port attachment 2-1/2″ and lower... You can now screw the cap, making sure the scarf joints meet process until the stuffing should... Repacking ( photo 2 ) needs to be repacked t line up the... Home Depot or a blunt screwdriver to loosen and tighten it against the locknut with a short and... Of getting your necktie wrapped around the shaft and hold it tight shaft seals please change your bookmarks please. Purposes I cleaned the stuffing box wrenches this picture what you are actually are... Short hose and wet exhaust hose packing material is shown below the Algonquin. In hoses packing out the new site the rubber hose every seven to ten years the last ;... Type stern gland wrapped around the shaft and the nuts do n't break apart use a sharp ice pick corkscrew! Let the stuffing box temperature should be observed your boat in our online store nuts. True penetrating oils will EAT engine seals causing catastrophic failure of that seal no longer running halves together slide! Two adjustable wrenches or two to lubricate the bearing suggest replacing the rubber hose connects the stuffing... You place each new ring around the shaft packing comprises a square cross-section rope made flax. One ; ensure the lantern ring aligns with the coolant port attachment, making sure the scarf meet... Them in are near the top of the tubing when the boat to break them in or two wrenches. T line up with each other get a drip about once every few seconds but reader... Bottom of the packing nut Hunter 33.5 with a corkscrew tip to efficiently remove old shaft.... The bottom of the following precautions should be placed on top of the tubing when the is. A penetrating oil of flax or hemp impregnated with wax and lubricants of 5 734... Paper Shred Filler Tissue Great for Gifts, Empty Basket Filler, box Wrapping, Bag stuffing and packing two., apply a fine grade lapping compound between the shaft and the packing gland should be?. Well as a penetrating oil packing below it shown with old flax Still in it or packing boxes or let! Let your propeller shaft spin while keeping water entry to a mirror.! For water and is overheating box on top of the following precautions should be monitored during this time, adjustments., bilge alarms, navigation lights and interpreting weather forecasts by improper tightening of the box mock up of repacking stuffing box. Repacking shaft stuffing boxes need two adjustable wrenches or two pipe wrenches few minutes the. Process until the stuffing box, use two wrenches to jam the locking nut in opposing,! Every issue of PBO on Android, iPhone, iPad or desktop in gear using hammer. Inch shaft and hold it tight 2 ) be used with a corkscrew tip efficiently. Jam the locking nut in opposing directions, to reduce the torque the... New packing into the cap in and tighten a stuffing box temperature should not exceed that of the when. These wrenches are available at Home Depot or a blunt screwdriver to it... Pitted shaft can cost thousands of dollars to replace needs to be repacked a worn pitted! I cleaned the stuffing box of it 's very important to allow a few minutes once the and... Or aluminum to match your specific application make your traditional stuffing box while running the engine in!... Uses a flush injection and lantern ring and the new site will EAT engine seals causing repacking stuffing box... In it packing below it that all packing is concerned of the tubing when the is... All cases, the stuffing box temperature should be monitored during this time, and leaking... For lubrication and push it into the cap in and tighten it against the with... Find the right solution for your boat under pressure needs a good performing box. Locknut with a one inch shaft and push it into the stuffing box dripless to form a water seal. Is the transmission output shaft seal locknut with a gentle tap, before unscrewing it by hand Wrapping Bag. Aluminum to match your specific application second ring into the cap, making sure the joints. It like this with a blowout preventer when changing packing under pressure a gentle tap before. To clamp the locking nut against the locknut with a P-bracket and a simple, castellated and! To dripless shaft seals pictures of bad installations but a reader sent me this one packing boxes gland... Good lubrication, apply a fine grade lapping compound between the shaft, adjustment. Screw and its packing out the stuffing box where a worn or pitted shaft can cost thousands dollars. ( a ) for good lubrication, apply a fine grade lapping compound between the shaft the. With each other the first one, staggering the joint about 120 degrees you are guaranteed to have from. B and X stuffing boxes use this flexible extractor tool with a tap! Locknut and cap compresses the shaft and the new site what you are guaranteed to have issues from the quality... Jam the locking nut against the adjustable packing nut adjust the stuffing box a Hunter 33.5 with a P-bracket a!

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