Refer to our installation instructions and size chart below to ensure you have enough space between your propeller hub and stern bearing to install while still allowing adequate water flow to your cutless bearings. How to install a dripless shaft seal boatus magazine. Aumuller, germany this invention relates to an arrangement 1 for sealing an opening 2 in a partition 3 in particular, in a ship bulkhead. The pyi pss 02034112 shaft seal is a dripless stuffing box and packing gland replacement for sailboat and power boat drivetrains. For successful operation of compac propeller shaft bearings pdf, 115. Inexpensive, compact design, it guarantees incomparable performance. For more commentary and specifications regarding propeller nut installations, please open this pdf, prop nuts. These tkits enable the installer to tee into the raw water discharge hose and plumb water to the hose barb fitting of the pss shaft seal. Just about every boat fitted with a conventional inboard engine has what is known as a stuffing box or shaft seal.
Mides innovative line of noncontacting hydroactive bulkhead shaft seals provides an extremely reliable and low total ownership cost sealing solution. See attached pdf drawing list dated 6 december 2016. Prop shaft and bearing housing remover yamaha 2030hp. If the manufacturer or purchasers request an abs certificate for compliance with a specification or standard, the. The drive shaft also called propeller shaft or prop shaft is a component of the drive train in a vehicle, with the purpose of delivering torque from the transmission to the differential, which then transmits this torque to the wheels in. This seemingly inconsequential piece of equipment allows the prop shaft both to exit the boat and rotate while at the same time keeping the water on the outside. The pss shaft seal can be easily retrofitted and is available for shafts ranging from 34 to 6 20mm to 150mm. Pdf design and materials selection for environmentally friendly. These seals comply with industry classification requirements and are typeapproved by all major. Clay seals still require a proper lubricant on the shaft and reinforcement with square braid fiber. Put matchmarks on flanges and separate propeller shaft, draw out propeller shaft from transmission plug up rear, end of transmission rear extension housing, if the play exceeds specifications. Propeller shaft propeller module 17 propeller pdf cj propeller balancing easa module 17 a propeller cj propeller balancing using the honeywell vxp shaft design pdf pto shaft bearings elevator shaft runner shaft clearance 62877 brake shaft runner and shaft fit tolerances crank shaft motor assembly briggs 5hp horizontal shaft engine. Seal arrangement for a propeller shaft pdf free download. Simplex oillubricated sterntube seals are designed for oillubricated propeller shaft bearings and have two key purposes firstly to prevent the leakage of oil into the engine room or water, and secondly to keep water out of the sterntube.
This static oring seal enables the pss shaft seal to be fit on shafts that have some wear or pitting, unlike lip seal designs which require a clean area for the lip seal to ride on. Great lakes skipper adds thousands of discount boat parts every month, including boat propeller shafts, marine prop seals, and propeller struts made by bombardier johnson evinrude omc, four winns, mercury marine, suzuki, wellcraft, larson, cruisers yachts, carver yachts, and more topnotch marine. A seal between an outboard bearing structure and a marine propeller shaft, said outboard bearing structure having an axially extending annular flange concentric with and radially spaced from said shaft, said seal comprising a flexible annular disc closely surrounding said shaft and secured to said flange. Everything you need to know about propeller shaft packings. A suitable lip seal 78 is circumposed about the shoulder 76 and abuttingly. This edition of the indus trial shaft seals catalogue supersedes the one publ ished in 2006 publication nu mber 5300. Sterntube seals for water and oil lubricated propeller shafts with and without pneumostop stand still seal 3 ic. Us2862733a outboard bearing seal for marine propellers. Propeller shaft shaft log stern tube 316l stainless steel hose clamps x4 silicone bellow x1 carbon graphite flange x1 stainless steel rotor x1. A housing with series of seal rings clamped into position on the bush. Does the propeller shaft yoke have damage or excessive wear caused by the conditions described in substep a. Clean the seal area of your boat so you do not contaminate the seal surface with dirt, oil or other foreign matter. Propeller shaft propeller module 17 propeller pdf cj propeller balancing easa module 17 a propeller cj propeller balancing using the honeywell vxp shaft design pdf pto shaft bearings elevator shaft runner shaft clearance 62877 brake shaft runner and shaft fit tolerances crank shaft motor assembly briggs. We offer several different propeller designs utilizing cnc precision machining in bronze, nibral and stainless steel to 120 in diameter.
Johnson evinrude gearcase kits section 3 johnson evinrude gearcase exploded views section 2 johnson evinrude. Pry out the old lip seal with a screw driver working alternately on opposite sides. Tides marine sureseal is the market leader in dripless propeller shaft sealing systems. Grundfos type designation 5 shaft seals in general what is a shaft seal 7 how are shaft seals used 7 rotating shaft seals 7 shaft seal components 8 balanced shaft seal 8 unbalanced shaft seal 8 seal balancing 9 how does a shaft seal work 11 friction, wear and leakage 12 oring shaft seals cartridge shaft seals 14 shaft seals in viscous liquids.
Inboard shaft seal for propeller shaft diameter sizes. Confirmation of product type approval duramax marine llc. We decided to share our progress on building an electrical hydrofoil. Now push the seal aft along the propeller shaft, see fig. To avoid the need to haul the boat and pull the shaft, both companies offer a carrier seal a spare that rides in place on the shaft between the seal and the coupling. Tube shaft is a shaft placed between the intermediate shaft and propeller shaft, normally arranged within a stern tube or running in open water. We offer custom machining and spacer options for exposed tapered shafts.
Prop shaft and bearing housing remover johnson 2stroke. The thordon seathigor seal is a mechanical face seal for 300mm 11. Bearing cup seal is broken or separated from the cup rustcolored dust grease leakage or is there noticeable universal joint free play, backlash, or binding. Thordon bearings has received an order to supply a waterlubricated propeller shaft bearing solution to fincantieris monfalcone. Prop shaft and bearing housing remover yamaha 30100hp. Here you will find our v1 design, part list and 3d files. Left unattended, the line will melt into a solid blob and can cut into the seals around the shaft, allowing water to leak in and gear lube to leak out. This allnew cr seals handbook from sf combines or best ideas and insihs from he ast and he resen we hoe i beomes yor.
Deep sea seals of stern tube how is water prevented from. If sealing rings require replacement due to damage or. Propeller shaft is the part of the propulsion shaft to which the propeller is fitted. The shape, size and number of lip seals depends on the size and type of application. It is a product equipped with a flange for the connection to the case and it is suitable for all applications. Oil lubricated sterntube requires two types of seals, one wateroil seal for the external arrangement aft seal and one oil seal for the inboard end forward seal. Advanced technology of propeller shaft stern tube seal. Volvo penta exploded view schematic propeller shaft and. When the time for replacement comes, you can pull out the old lip seal, snip it off the shaft, and slide the new one into place, even with the boat in the water. A driveshaft 4 november 2015 one embodiment of the seal arrangement for a propeller shaft detailed by patent wo2014202516. Carefully slide the new lip seal down the shaft and into the chamfered opening in the front of the housing.
Xoxastemtubesea1s for shaft diameters from 80 mm to 280 mm sterntube seals for closed systems with oil. Developed for the us navy, the patented design utilizes hydrogel embedded foam to engage and seal against the spinning. The propeller shaft 10 is loaded with seal members 41 and 42 on the inner periphery of the annular support member 50 and on the inner periphery of the small diameter portion 51a and the large diameter portion 51c on both sides of the medium diameter portion 51b that supports the bearing 40, respectively. Propeller installation steve dantonio marine consulting. Carefully push the seal onto the propeller shaft, fit the drive flange and attach it to the engine, see fig. To prevent the clamp 2 from pinching the seal during tightening, fit the small plate 3 under the clamp so that it covers the. References articles of thordon commercial propeller shaft bearings in blue water operation. Return the split retaining washer to the shaft in front of the lip seal. Ptfe lips do not have the same elastic prop erties as rubber lips, which makes them more susceptible to damage. Feel free to download our pss shaft seal brochures and price lists.
Pyi pss packless dripless 02034112 shaft seal marine. Types of prop shaft seals, old and modern thoughtco. Our traditional standard propeller shaft bearing grade, thordon xl is a general purpose bearing offering superior performance compared to other bearings commonly used in propeller shaft applications. The pss shaft seal is a mechanical seal and is installed as standard equipment. Unit certification is not required for this product. Xl provides good balance between long wear life, low coefficient of friction, reasonable abrasion resistance and cost effectiveness. Noncontacting bulkhead shaft seals mide technology. Sterntube seals have to perform two separate functions, one is to ensure that water does not enter the engine room, the second one to allow the propeller shaft to rotate as smoothly and freely as possible. These orings rotate with the shaft and rotor and do not experience any wear during operation.
Aside from these benefits, the pss shaft seal helps to eliminate water in the bilge 100% water tight and wear to the propeller shaft. Lip seals are seals made of special kind of materials elastic, having a projecting lip or edge. Seal arrangement for a propeller shaft applicantinventor. Pdf waterlubricated bearings of ship propeller shafts problems. We want to make it easier for everyone to build their own, as its a lot of fun building and riding. Propeller shaft mechanical seal system for shaft from 20 mm to 185 mm. A common boating mishap is getting fishing line wrapped around the prop shaft behind the propeller of an outboard or sterndrive. Inspect both the prop shaft taper and the propeller bore, the cone shaped hole in the center, for dents, scoring, corrosion or defects of any kind.
This peculiar shaped ring is held in close contact with the shaft and the stern tube to prevent oil leakage or water entry. The pyi pss packless dripless 02034112 shaft seal is a mechanical seal that uses a selfaligning carbongraphite stator to ensure a 100% watertight seal. The tg100 seal is shipped from the factory with nonsplit silicon carbide sic rings, which means that the seal components must be assembled along the drive shaft from the forward end, when the shaft is partially withdrawn. The cnc manufacturing fulfills the iso4842 classs standards, and enables the propeller to obtain the best efficiency with minimum vibration and noise. Prop shaft and bearing housing remover johnsonevinrude 2535hp. Pdf in recent years can be met ships whose propeller shaft polymer bearings are lubricated with water. Completely damaged oillubricated slide bearing and sealing of ship propeller shaft.
This is a lower maintenance solution but still requires regular service. Sureseal has become an industry standard fit on many productionbuilt. To download the thordon bearing sizing calculation program version 2017, release 10, a user registration is required. To download the thordon bearing sizing calculation program version 2017. Noncontacting bulkhead shaft seals improve safety and reduce costs. Regardless of which style of gland you use nut or stud type, we always prepack them on the lathe and run them in at 12001800 shaft rpm thru many hotcold cycles. F or this new edition, numerous r e visions, additions and enhancements have been made t o provide an even more com prehensive guide.