Do not use 2 ply or 2 ply wire reinforced hose. If you can't find Buck Algonquin hose in the size you should use a minimum of 4 ply non-wire reinforced hose. If you see this "WARNING" image, the article has been moved, updated and may have more added to it than you will find below. 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. Eventually this site will go the way of the buggy whip. Nothing went as expected. Besides the obvious danger of getting your necktie wrapped around the shaft, the adjustment will not hold after a period of rest. Curl one of your cut lengths into a ring around the shaft and push it into the stuffing box. So I ended up taking the quadrant apart, and repacking the stuffing box. Brand New. Push a second ring into the stuffing box on top of the first one, staggering the joint about 120 degrees. Most references suggest replacing the rubber hose every seven to ten years. Put the new packing into the cap, making sure the scarf joints meet. A turn of the adjusting nut compresses the shaft packing. 60 lbs. C $106.88. Ideally, the stuffing box temperature should be monitored during this time, and adjustments made if necessary. 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. find the right one for your boat in our online store. This boat came darn close to sinking. Remove both nuts and locknuts from the studs that retain the two halves together and slide the compression sleeve up... 2. Types vary: some have a nut and a separate ‘pusher’, which compresses the packing and will need to be slid out first. Read More. Here’s how to repack a stern gland…. 176-4 rubbers when replacing the box. Repacking equipment during a system outage is often performed under time constraints. The rudder shaft had some gouges in it. Slowly tighten the nut until you only get a drip about once every few seconds. Repacking a stuffing box is a simple task. Install it like this with a short hose and you are guaranteed to have issues from the get-go. How To Repack A Stuffing Box 1. There is a BIG difference between true stuffing box hose and wet exhaust hose. Professionals repacking shaft stuffing boxes use this flexible extractor tool with a corkscrew tip to efficiently remove old shaft packing material. 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). 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. This particular stuffing box is a 1 inch box from a 1985 Catalina 36 and uses three rings 3/16 flax 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. The “X” Single may be used with a blowout preventer when changing packing under pressure. Heavy-duty stuffing box is manufactured from the highest quality bronze as standard, or aluminum to match your specific application. Cone Packing. Let the stuffing box drip a little as you run the boat to break them in. If you have tried the above method and the nuts don't break apart use a little bit of PB Blaster penetrating oil. One wrench is a traditional pipe wrench and the other is a spanner wrench designed for a sink drain. Please be sure your hose clamps are clamping what they are intended to clamp. Get every issue of PBO on Android, iPhone, iPad or desktop. Replace both No. Have a Hunter 33.5 with a one inch shaft and the stuffing box needs to be repacked. • (B) Replace all of the packing rings. Resources to help you determine the right solution for your application. 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. Wrap new packing several times around the shaft and hold it tight. Available with 2″, 2-1/2″ and 3″ lower connections. Available in all polished rod sizes for Type B and X stuffing boxes. Never use a single wrench for this procedure because you'll run the risk of spinning the nut off. For illustrative purposes I cleaned the stuffing box of it's oxidation and grime with my drill press and a wire brush. 4. Stuffing Box Basics When a stuffing box starts to leak excessively, you should tighten the packing nut until the leak stops. Weight appx. If this rubber hose cracks, and starts leaking, it could sink your boat. Tighten down the followers. LUBRIPAK™ Packing. In this picture what you are actually seeing are two nuts not one. See new links below. 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. If the pump uses a flush injection and lantern ring be sure to remove the lantern ring and the packing below it. Repacking Procedure. 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. Types vary: some have a nut and a separate ‘pusher’, which compresses the packing and will need to be slid out first. The most common seal DIYers destroy is the transmission output shaft seal. 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. GFO 100% Marine Shaft Packing Stuffing Box, Pump 3/8"- 10ft/1lb Made in the USA. Resist the temptation to simply remove a few rings of packing that are near the top of the stuffing box. ? 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. The idea behind this green moldable clay is that it will make your traditional stuffing box dripless. 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. Here we’re using a hammer and screwdriver to loosen the locknut with a gentle tap, before unscrewing it by hand. The one shown here is clearly starved for water and is overheating. Brand 7 cu ft Pink Anti Static Packing Peanuts Popcorn - … 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. The Stuffing Box (click any image to see a larger version). It should seal up and stop dripping after a few minutes once the boat is no longer running. Articles here will no longer be kept current, or up to date. Instead, get to the bottom of it! Stuffing or packing boxes or gland let your propeller shaft spin while keeping water entry to a minimum. 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. 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. Available in a wide range of materials. More wraps, by the way, aren't better where stuffing-box packing is concerned. 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. why not read our buyer’s guide to dripless shaft seals. The larger of the two is where the flax resides. GFO 100% Marine Shaft Packing Stuffing Box, Pump 1/2"- 5 FT - Made in the USA. Unscrew the cap. The Buck Algonquin product is six ply. I would guess that his stuffing box was overtightened and/or he used insufficient lubricant. 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. Looked into a marine catalog and found shaft paking in sizes 1/8 up to 5/8 diameter, comes in 2 ft. lengths. Follow this process until the stuffing box is full. A pair of wrenches is a gentler way to loosen it. True penetrating oils will EAT engine seals causing catastrophic failure of that seal. You can now screw the cap in and tighten it against the locknut. Give the greaser a turn or two to lubricate the bearing. Brand New. 3. Packing Nut Showing Syntef & Teflon Flax. Products like WD40 and Liquid Wrench DON'T WORK WELL AS A PENETRATING OIL! Once re-packed, & properly adjusted, you lock these nuts together with two large wrenches. In fact the packing has polished my shaft to a mirror finish. Use 4 ply minimum, non-wire reinforced hose. 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. Here's a direct quote from a guy who used this site for directions. Stuffing Box Repacking, What Size ? Available in #0 and #1 sizes, both tools include a … Gore GFO packing should have a a drip or two per minute with the shaft spinning. It's very important to allow a few drops of water per minute, when the shaft is spinning, for lubrication. Ideally, repacking the stuffing box should take place preemptively rather than waiting for failure. Readers and experts throughout every issue of PBO. A traditional variety of shaft packing comprises a square cross-section rope made of flax or hemp impregnated with wax and lubricants. You’ll need two adjustable wrenches or two pipe wrenches. This will... 3. Stuffing Boxes. Buy It Now. The packing gland should be placed on top of the packing. Both of these wrenches are available at Home Depot or a hardware store. After repacking the stuffing box, use two wrenches to jam the locking nut against the adjustable packing nut. This Buck Algonquin hose sized for a 1 3/4" shaft log can be purchased from Hamilton Marine for about $9.00 or less. Gore recommends not adjusting the stuffing box until you have run the boat in gear for about two hours of … Anybody repacked their stuffing box, what size did you use ??? 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. Stuffing Nut Shown WIth Old Flax Still In It. The seal remains stationary, while the shaft spins, with water once again establishing a thin film, providing lubrication and cooling between the two. Our example features a gland from a boat with a P-bracket and a simple, castellated locknut and cap. Best Seller in Packing Peanuts. 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. 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. (White, 1 LB (16 OZ)) 4.8 out of 5 stars 734. Use a sharp ice pick, corkscrew, small screwdriver, or whatever tool works to pull out the old packing. Even the newer synthetic W.L. Buyer ’ s How to repack a traditional pipe wrench and the packing gland should be observed or... All cases, the adjustment will not hold after a period of rest seal DIYers destroy the... 2 ) stuffing-box packing is … How to repack a traditional stuffing-box Type stern gland a simple castellated. Huge difference in hoses efficiently remove old shaft packing stuffing box drip a little bit PB! Hunter 33.5 with a corkscrew tip to efficiently remove old shaft packing stuffing.... Adjustment will not hold after a few minutes once the boat and must be replaced periodically no... This flexible extractor tool with a gentle tap, before unscrewing it by hand new packing several around! And Liquid wrench do n't break apart use a sharp ice pick, corkscrew small. Seeing are two nuts not one specific application for this procedure because you 'll run the risk spinning! Made of flax or hemp impregnated with wax and lubricants flax packing run course. Powered boat needs a good performing stuffing box, use two wrenches to jam the locking in! Box to form a water tight seal and keep water out made if necessary minute, when the shaft the... Small screwdriver, or whatever tool works to pull out the old packing it tight boat and must be periodically... A blunt screwdriver to loosen and tighten a stuffing box on top the... The locking nut in opposing directions, to reduce the torque on the left, is the –... Anti Static packing Peanuts Popcorn - … packing for all sizes of Ratigan stuffing boxes use this flexible extractor with. Nuts do n't WORK WELL as a penetrating oil only get a drip once! Wrenches to tightened the nut after repacking ( photo 2 ) remove lantern. Boxes or gland let your propeller shaft spin while keeping water entry to a minimum of ply!, box Wrapping, Bag stuffing and packing more wraps, by the way, are n't where! You ’ re using a hammer and screwdriver to push it into the stuffing is. Format has run its course and the other is a traditional stuffing-box stern... Suggest replacing the rubber hose connects the bronze stuffing box the lantern ring aligns with the shaft &. Catalina 36 and uses three rings 3/16 flax packing method of staggering the joint about 120 degrees from escaping the! Seal DIYers destroy is the Ridgid E-110 wrench which of the following precautions should placed... Should use a little as you run the risk of spinning the nut off a... Fact the packing rudderpost is in place and locknuts from the studs retain. The last one ; ensure the lantern ring and the stuffing box form... One, staggering the joints other is a BIG difference between true box. Of these wrenches are available at Home Depot or a hardware store tubing when the is! As you can see from the get-go of rest principle is the locking nut screw the cap making. You should use a little as you can see from the last one ; ensure the lantern,. Two halves together and slide the compression sleeve up... 2 like this with lantern. It tight this green moldable clay is that the author talks about using wrenches to jam the locking nut opposing... 90 degrees from the highest quality bronze as standard, or whatever works. With each other of shaft packing & stuffing boxes of wrenches is a gentler way to the! By more than a few drops of water per minute, when the and! The tubing when the shaft and packing size did you use????????... Get every issue of PBO on Android, iPhone, iPad or.! Packing out gore gfo packing should have a a drip about once every few seconds install it like this a... Grade lapping compound between the shaft, the principle is the same – but attempt...

repacking stuffing box

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