Joined: Sep 30, 2005 Messages: 7,390 Location: My Office. A few good swings and it finally moved a little over 1/4 of an inch. Once the bearing is on the shaft, the risk of misaligning the Sure Seal is reduced. I have over 3,500 hours on the engine, a 75 HP Yanmar, and over 28,000 miles on the knotmeter. There are a lot of things that can lead to catastrophic failure if the seal is not installed and maintained properly. Justin_NSA. I'm pretty certain that air was being sucked in due to low pressure where the shaft exits the hull. Is that a grease zerk that is rusted out near the front of the unit? Facebook. But it was fast enough to bend both the prop and the strut. The two boats I have now have PSS dripless shaft seals. https://www.dropbox.com/s/t992y3mptaz0rdb/IMG_1507.jpg?dl=0. The seal is a stainless steel disc attached to the propeller shaft near the transmission, and a matching set of bellows and a carbon disc that pushes up against the steel disc. If your boat has to be towed, the shaft and prop have to be secured to prevent them from spinning. Jul 7, 2004 7,106 Hunter 30T … To clean this material from the seal, carefully insert a clean rag between the sealing faces and work the rag around the seal. No specific brand in mind, just need to replace both dripless shaft seals I just wanted to make sure I would have any problems if I changed seal types. The "rotor" part is clamped/squeezed to the shaft and it has a big spring built in to the rotor (so no cheesey bellows). Since 1991, Tides Marine has provided essential marine components to the marine industry. If the shaft and prop spin without cooling water, the packing will be ruined. Was planning on having this done at the dealer but will give it a shot now. Joined: Nov 14, 2015 Messages: 71 Location: San Diego. Sometimes, “burping” the seal will remove trash that is creating the problem. Lip seal units employ a synthetic rubber sleeve encased within a metal housing. That is, there are two perfectly smooth (ground) faces that press against each other lightly so one can spin with the shaft and the other stay still with the boat. Another variety of dripless glands relies upon a lip seal that fits around the shaft. My new-to-me used boat came with a PYI PSS dripless shaft seal, which, I’ve noticed, has a minor leak, even while the boat’s at the dock and the shaft is stationary. Yeah....I read through some threads. Boat Propellers. Shop by Category. Duramax offers an extensive choice of sealing systems to accommodate shaft sizes and requirements. First outing of the year and noticed my shaft seal leaking. The dripping instantly stopped. Hi, I have a 30 Express, not quite a Commander, but close, and a question you may be able to help me with; I am considering replacing the shaft packin Dripless shaft seals - CHRISCRAFTCOMMANDERFORUM CHRISCRAFTCOMMANDERFORUM Of course, since we arrived on Saturday evening, the hardware store wouldn’t reopen until Sunday at 1pm. When I replaced the seal in my OJ coupler on my '10 the hardest part of the job was drawing/pulling the shaft coupler head off of the brass keyed and tapered prop shaft. The Lasdrop Elite, the newest marine dripless shaft-seal on the market, is a compact lip seal designed for quick and easy installation.The lip seal is in constant low friction contact with the propeller shaft, preventing water from passing in your vessel. See pic below and let me know which version this is and what the repair should be. goodmatt78, May 21 in Maintenance, Tech Info & Troubleshooting. We decided to stop in Belhaven, NC, mostly because there was a nearby hardware store. Cabo dripless shaft seals. After contacting our friends in Brio II and the manufacturer of our shaft seal, we decided that the bellows needed to be compressed more. Never had a problem with them and IMO Tides has the 2nd largest sales in dripless seals….PSS shaft seals being #1 in the industry. I have never heard of nor researched Chatfield shaft seals. After removing the 2 set screws both of us tried to push the rotor aft to no avail. The concept of dripless shaft seals is great, you get a dry bilge and less vibration due to the shaft seal being able to “float” on the shaft. The step by step pictures in the resource area are great too. Foreign material can get into the seal between the carbon and the rotor and create a leak. Powered by Invision Community, Copyright © 2005-2020 | TheMalibuCrew.com. I don't know if I should add grease or not. You may just need to adjust it or replace the packing inside. So I had to get both repaired. Twitter . + Update your shipping location 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. But I have never heard of a French builder using metric shafts. Sure enough there were. As said it has a maintenance time frame that may be a concern. When ours started to leak while underway on Tuesday, we figured this was the issue and tried to flush the debris out. Cabo dripless shaft seals. When you replace the seal I would tape over the threads on the prop shaft so you don't knick the inside of your brand new seal only to find out you have a problem after reassembly. I think that shaft seal is made by Marine Hardware, you can find it in their catalog on page 24: http://www.marinehardware.com/downloads/running_gear.pdf. I must have bad luck, my last boat got 230 hours on the dripless shaft seal, now the Malibu is leaking at 120 hours. Error: API requests are being delayed for this account. While it’s true dripless shaft seals require less care than a traditional packing gland, nothing on a boat is truly maintenance free. Facebook. I knew when I dropped the seal in it was going to spin inside of the housing and leak around the outside of the seal so I slathered some silicone on the parts and pressed them together. Lip Seals. When it was fine for the next few days we figured we had fixed it. Lip seals are common in industrial applications, such as hydraulic pumps and axle seals. In order to fix this we needed new set screws, that hold the rotor in place. New posts will not be retrieved. We’ve been busy – having family adventures. I do think my current seal has worn the shaft....I assume I can move the replacement slightly up or down the shaft to be on a fresh shaft. Dripless stuffing boxes work by pushing a carbon stator against a stainless steel rotor the carbon plate is held in place by a rubber bellows that is compresed to create pressure. I assume you will need to pull the flange in order to slide the old seal off and the new seal on. Used in place of stuffing boxes, our seals allow spills and mishaps inside of the bilge to be cleaned in an easy, environmentally responsible manner. PSS are, in my experience, the best. We had marked the prop shaft with a sharpie to know where the rotor started. This has been ongoing now for 6 weeks or so. You need to be registered and signed in to view this content. Tides Marine - Marine industry manufacturer of the dripless or drip free, Self Aligning, SureSeal Shaft Seal, Rudder Bearings, Rudder Seals and SailTrack and Slide System. For more than 25 years now, the South Florida-based Tides Marine has been solving one of the most common boating problems around – stopping leaky shaft seals. I am careful to burp the s rubber seal after each haul-out, and I … Better yet, pull the flange, back the shaft out a few inches, then pull the whole log and work on it at a bench. What a way to start boat ownership, with sea water making itself at home in your boat.   Your previous content has been restored. My boat is on a the lift and I'm going to monitor it and hopefully replace at end of season....or pull the boat and do it during the week in my garage. Swap out that hose clamp too before it fails. Answer: If the PSS Shaft Seal is leaking at rest it is likely that some foreign material is on the face of the seal between the stainless steel rotor and carbon flange. Thanks for the help and resources. There is a problem with them however. Changing it went smoothly, but due to excessive motor vibration from the 1GM10, the prop shaft wobbled a lot, causing the seal between the carbon and SS ring to leak, especially noticeable at low RPM. If the shaft is “rough” it needs to be smoothed before re-installation. Once I replace the engine there will be lots of room on the shaft for a dripless shaft seal like the PSS. 1 1/4" thru 2 1/4" Over Sized (OS) 2 1/2" Compressed Length:6 1/4" Weight: 4 pounds . JM2C. Once the bearing is on the shaft, the risk of misaligning the Sure Seal is reduced. https://waggonerguide.com/dripless-shaft-seals-may-be-dripless-but-not-maintenance-free/. Hi, Is the $180 US or NZ Dollars? But on Saturday we couldn’t get the water to stop flowing in, no matter what we did. Tides Marine introduced its first industry standard. Deep Blue has the lowest prices on all packless dripless shaft seals, and can ship all to over 150 countries world-wide. The boat I'm on now has Tides, and they're holding up, but I've had Tides on an 80' that I used to run, and there were chronic problems. It uses a traditional thick hose. Looking at that assembly, and I am guessing here, the screws may be for alignment inside of the housing and to keep the seal from spinning on the shaft. Either way the zerk was put there for a reason and it shouldn't hurt to put a little in there. Volvo dripless seal - how to service? Enter your email address to subscribe to receive notifications of new posts by email. Restore formatting, × Anyone know the type of shaft seal I have? When operating in silty water, models with off-the-shaft seals offer better protection. Print. Lasdrop and PYI Outscore Four Other Dripless Shaft Seal Makers. The problem, within reason, isn't that catastrophically fail, it's that they get less pliable and flexible. He squeezed himself under the hot water heater and somehow found enough clearance to swing the mallet into the board which was laid against the rotor. The use of dripless shaft seals has become widespread in the past decade, and, unlike traditional stuffing boxes, when a dripless shaft seal (DSS) fails, the … Shaft Seals, Spare Seal Carriers & Water Pick-up Kits SureSealTM System . Finally I decided to double check that there weren’t a second set of screws still holding it on. We hit a submerged piece of wood (or something) at the lake right about 20 mph. It is time for me to replace my Volvo Penta dripless seal on our B323. By Rugger. They must have relaxed with age or been worked a bit loose over use. I don't have any questions about how to install the seal, or which size shaft/seal I need. Share Followers 2. #boatlife #lifeonthehard #timefor, A gorgeous(but cold!) Access is going to be a bear. Dripless Shaft Seals - Best Practices. I checked that there wasn’t a third set screw (there wasn’t). But two problems: 1. The seal (which fits snugly against the shaft to prevent water entry) remains stationary with the shaft rotating inside it. I thought you were supposed to get 400-500 hours out of those seals, and both have failed me much earlier than this. Page 2 of 3 < Prev 1 2 3 Next > Jrms80, Nov 24, 2015 #21. Each rotor is typically set with 2 screws, and then an additional 2 screws are sink into the same holes to keep the bottom screws from working their way out. You can post now and register later. Do I just need to run it a bit? Has anyone else experienced this? The previous Volvo didn't have any problems, just thought it was time to change it as I didn't know the history. Find the right size dripless seal for your boat and enjoy smooth, dry operation. Removing the flange or in this case I think we are talking about removing the prop shaft coupler head from the end of the prop shaft can be a bear without the correct tools (common hand tools will get it done) and enough room to work in. Share Followers 2. Lip seals are common in industrial applications, such as hydraulic pumps and axle seals. By Van Helker. So I can't imagine grease is meant to go there. WHY TIDES MARINE? They might even offer a promotion. A little dripless shaft seal background There are two primary types of dripless shaft seals – lip seals and face seals. July 15, 2018; Year: 2007 Brand: Malibu Model / Trim: LSV 247 Cost: $0-$249 Engine Type: 8.1 Vortec/Indmar. The one piece fibre reinforced composite housing consists of a water lubricated PTFE shaft alignment bearing & lip seal. The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders / yards. Both units mentioned have a following. This is typically solved by either running the engine in gear, or flushing the system by hand compressing the bellows. You need to be registered and signed in to view this content. The Tides Marine Sure Seal system is a water tight, self- aligning shaft seal. Upload or insert images from URL. But two problems: 1. A range of alternative dripless stuffing boxes are available. As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account. 1 1/4" thru 2 1/4" Over Sized (OS) 2 1/2" Compressed Length:6 1/4" Weight: 4 pounds . I'm not sure the larger diameter of the shaft seal will fit (see pic). The goal here is to review the ways dripless shafts fail and offer some … The problem I see with the dripless designs that I am familiar with is that they are attached to the shaft log with a quite thin rubber bellows that does not seem to be reinforced with any fabric. Dripless Unlike traditional stuffing boxes the PSS mechanical seal is completely dripless. Check out the LASDROP Gen2. estaff. Nautical Specialties Lasdrop Shaft-Seals. Hi, Is the $180 US or NZ Dollars? The only symptom was the need to burp frequently, mainly after motoring (I think). British yacht builders tended to change between metric and imperial on a frustrating regular but erratic basis. At Tides, providing excellent customer service is our no. Looking for drip free or dripless shaft seals, SureSeal Shaft Seal, seriesOne Shaft Seal, Spare Seal Kit, Lip Seals, Smart Seal, Water Pick-Up Kits, Clamps, Fittings or Hoses from Tides Marine? I removed those ones and tried pushing again. I do not like the bellows and the cheesey-ass set screw hold the "rotor" design. British yacht builders tended to change between metric and imperial on a frustrating regular but erratic basis. You need to be registered and signed in to view this content. × You could talk with the company rep and compare the two items. Copyright © 2005-2020 | TheMalibuCrew.com Picture at the dropbox link. Lip Seals. We had our first PSS in a Sabre 42 which we had for 11 years from new, until we sold it 19 years ago. As we were nowhere near civilization all day Saturday, we simply kept moving knowing the bilge was filling with water. Email. I'd go with PSS anytime. The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. It's a PSS dripless shaft seal. Log in as an administrator and view the Instagram Feed settings page for more details. Our goal was to push it aft 1/4 to 1/2 inch to compress the bellows and stop the constant influx of water. I'm not sure the larger diameter of the shaft seal will fit (see pic). What should this cost to have done at the dealer? Dripless Shaft Seals by PYI and Lasdrop offer dripless operation on your boat and eliminate the need to packing and the drips that can lead to odors and the packing wear that can lead to leaks. If you have an account, sign in now to post with your account. Any ideas? Here are a couple of different manufacturers. Anything, like a bit of dirt, can interfere with the working of the seal. That looks like a traditional shaft packing unit. Instead of compressing two faces against each other, a spring compresses a rubber ring against the shaft. We didn't even see it. For more information on the products, see below. Shaft Size:1" Stern Tube O.D. Save this search. The bellows shape provides a small amount of pressure to keep the bearing that seals out the water. Answer: On average, the PSS Shaft Seal requires approximately one hour of break-in time, which allows the carbon flange to polish the mating face of the stainless steel rotor. I thought you were supposed to get 400-500 hours out of those seals, and both have failed me much earlier than this. For more than 25 years now, the South Florida-based Tides Marine has been solving one of the most common boating problems around – stopping leaky shaft seals. There isn’t a lot of space to get at the prop shaft, but we pushed with everything we had. Quote. The boat should be pulled to do the work, though some brave souls have done it in the water. Been getting a lot of water in the bilge and last night found out that it looks like it is the shaft seal. There is a how to article in the resource section and Ron Tanis has a YouTube video on shaft packing types and service. We could see another sharpie line on the prop shaft, most likely indicating where the rotor should have been set. When you service a shaft seal and in particular any that use a lip seal, make sure you check the shaft for any wear. Sometimes, “burping” the seal will remove trash that is creating the problem. What a way to start boat ownership, with sea water making itself at home in your boat. Joined: Sep 30, 2005 Messages: 7,390 Location: My Office. Thank you! Note: If looking to purchase a Tides Marine Shaft Seal, we have the entire catalog for sale, here: Tides Marine Shaft Seals. When you replace the seal I would tape over the threads on the prop shaft so you don't knick the inside of your brand new seal only to find out you have a problem after reassembly. Our bilge pump did a great job of keeping up and keeping our boat afloat. There is a problem with them however. Discussion in 'Cabo Yacht' started by Jrms80, Nov 16, 2015. I recommend the GFO type packing unless you want to convert to dripless...I’m not a dripless fan as the small water line to the unit can clog and destroy your shaft if ran dry to long. I am going to give Eric at OJ props a call tomorrow, but what a bummer, this will be another warranty fix this winter. Give Gift; Back to Top ; Post by MalcolmP on Nov 12, 2017 19:11:58 GMT. The system is commercial STRONG® product line comprised of three components; the in 1991. Dripless packing are a great innovation. Another variety of dripless glands relies upon a lip seal that fits around the shaft. Morning in Maine. If the shaft log becomes air entrapped the rotor faces lack lubrication, and the PSS is a water lubricated shaft seal. All are based on standard shafts. The zerk may be to put a small amount of grease on the internal seals and or to displace water another guess on both accounts. Display. An air-bound shaft log can result in the PSS running dry and becoming extremely hot. You can see the water running off my finger under the drive shaft where the water was coming out. When I attended the Vancouver Boat Show in 2019 the dripless shaft seals were displayed. The Tides Marine Sure Seal system is a water tight, self- aligning shaft seal. The downside is you sacrifice a lot of redundancy and durability when you install a dripless system in your boat. I've been searching images to figure out which one I have and no luck. How hard is it to remove the flange? If so, I'd carefully try to remove it with vise grips and replace with a new zerk and add some grease. So I had to get both repaired. It worked flawlessly. By Continued design SureSealTM Unit, the Spare Seal refinements and material Carrier, and the Water pick-up kit. There is a beam under the stuffingbox that I think USED to actually hold it (hence the need for the flex coupling!). With a few exceptions, most fall into one of two categories, or variations thereof, face or lip seals. It's free and it's easy, so don't hesitate to join the TheMalibuCrew Family today! Marine Mechanic: Tan, MerCruiser Certified Technician replied 2 years ago. Shrink products and more. per page. Adding a spare seal to the shaft is a no brainer. There are a couple good videos on the job. Lasdrop and PYI Outscore Four Other Dripless Shaft Seal Makers. After a lot of trips to the bilge trying to figure out what’s going on, I found that the PSS Dripless Shaft Seal was dripping. There is a beam under the stuffingbox that I think USED to actually hold it (hence the need for the flex coupling!). PSS Shaft Seals are all vented so no air can become entrapped in the shaft log. Most of these units use what's called a face seal, with a flexible bellows attached to the stern tube (or stuffing box collar) that presses a fixed carbon/graphite flange against a rotating stainless-steel rotor which spins with the prop shaft, creating a seal between the rotor and flange. As most other things in this small town were closed all day Sunday, we were glad the Hardware store was open at all. Twitter . Jrms80 Member. The zerk may be to put a small amount of grease on the internal seals and … Find the right size dripless seal for your boat and enjoy smooth, dry operation. K1W1 Senior Member. Yes...that's the one I have.   Pasted as rich text. By Rugger. https://www.dropbox.com/s/xqn08bal2xkegqq/20200521_173936.jpg?dl=0. Shop online for Lasdrop seals, Trident Marine Hose, Dr. Generally there are no alignment issues on reassembly unless you have motor mount issues, your cutlass bearings are bad or your prop shaft is bent. Adding a spare seal to the shaft is a no brainer. It is leaking with boat off and floating. You should have a slow drip around one every 10 seconds. If you are looking for a replacement, I would recommend a Glide or PSS dripless seal. Email. Not finding what you're looking for? My new-to-me used boat came with a PYI PSS dripless shaft seal, which, I’ve noticed, has a minor leak, even while the boat’s at the dock and the shaft is stationary. My former 1996 31 Blackfin with twin Cummins 370 had Tides dripless shaft seals. I've put them on corroded and worn shafts with a little 3M 101 to seal against the shaft, and it worked great. Unlike a traditional stuffing box, your PSS seal should never leak at rest. Shop Online! Not sure what else to do, Ben got a mallet and a spare board. Note: If looking to purchase a Tides Marine Shaft Seal, we have the entire catalog for sale, here: Tides Marine Shaft Seals. I am going to give Eric at OJ props a call tomorrow, but what a bummer, this will be another warranty fix this winter. A decent auto parts store should have the seal. If your boat has to be towed, the shaft and prop have to be secured to prevent them from spinning. I think PSS came out with a new design. Shaft Size:1" Stern Tube O.D. If the shaft is “rough” it needs to be smoothed before re-installation. What could be causing this leak and how can I correct it? Any issues with alignment when reassembled? There are a number of manufacturers of dripless shaft seals, and therefore a variety of designs exist. After 2 months, filled with friends new & old and, We dubbed Isle Au Haut as 'Berry Island' due to th, This error message is only visible to WordPress admins. Boat Deck & Cabin Hardware. Display as a link instead, × View as. In some cases they may leak slightly and initially until broken in, however, this should not last more than a few hours. Dripless shaft seals should be dripless, they should not leak. Where the shaft is what is pushed through a hole in a boat to turn a propeller, the shaft seal is what is placed around it to keep the water out. Shaft seal ( dripless) Nov 12, 2017 19:11:58 GMT via mobile. Unlike a traditional stuffing box, your PSS seal should never leak at rest. Speed bumps, shoaling and bridges -oh my! The carbon stator is bored larger than the shaft diameter, allowing it to "float" around the shaft and compensate for most misalignment and vibration problems. I'll call OJ today. We hit a submerged piece of wood (or something) at the lake right about 20 mph. K1W1 Senior Member. You running in salt water?   You cannot paste images directly. How hard is it to do yourself and would you recommend it? Blue water dripless shaft seals no longer dripless.. Page 2 of 3 < Prev 1 2 3 Next > K1W1, Mar 16, 2010 #21. The bilge pump overboard through-hull is well above the water line, eliminating the back-siphon problem suffered by Wayne and Sherrill Bower's TEELOK (1-4-95 newsletter). If it does, something is wrong. If that doesn't stop your leak, then replace the dripless seal with a more modern one. July 15, 2018; Year: 2007 Brand: Malibu Model / Trim: LSV 247 Cost: $0-$249 Engine Type: 8.1 Vortec/Indmar. Dripless seals are also known as "ground face seals" in the engineering world. They prevent water from entering the hull via pressure loading, typically by using a compressed rubber bellows to hold a graphite collar against a stainless steel collar.

dripless shaft seal problems

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