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Remove the three 516th inch bolts securing the retaining plate and O-ring followed by the retaining plate and O-ring. Yes the seals and propeller shaft should be all that is required as long as nothing else was damaged.
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Mercury prop shaft seal replacement. Ad Lagersmit The origin of sealing solutions. Deliver Peace of Mind with the best sealing solutions for ships pumps and tidal turbines. If you see a small thin streak of milky-colored oil coming from the bottom of the lower unit of the motor you must replace the prop shaft seals.
Changing the seals on the prop shaft of Mercruiser engine is a project for winter or the off-season. Replacing the seals themselves is a straightforward job but before you can replace them you have to run an obstacle course. Replacing Mercury Tracker 25EL Prop Shaft Seals.
Remove the propeller and clean out the prop shaft housing with contactbrake cleaner. Remove the three 516th inch bolts securing the retaining plate and O-ring followed by the retaining plate and O-ring. Mercury Marine gear cases have a mixed ratio of lower units.
Some of them require you to pull the bearing carrier in order to change out the prop shaft seals. Then the other half you can change them without pulling the carrier. For the gear cases that you have to pull the carrier on.
Mercury 40HP 2-Stroke Prop Shaft Seals Replacement Oil dripping from beneath the propeller is an indication of a leaking prop shaft seal in the lower unit. Replacing the output or prop shaft seals in a Mercury outboard requires more than a few steps but otherwise its. SEI manufactures a stern drive designed to replace Mercury Marines MerCruiser Alpha One R MR Gen II and Bravo One stern drives.
MerCruiser Alpha One Gen II R MR and Bravo One are trademarks of the Brunswick Corporation. SEI has no affiliation with the Brunswick Corporation. 04-24-2012 0315 PM.
I recommend you purchase a service manual for this repair. You want to be sure its done properly. Yes the seals and propeller shaft should be all that is required as long as nothing else was damaged.
Drain the lower unit lube remove the prop thrust washer and the two bolts. Rotate the flange enough to lightly tap on the backside of the the ears. The carrier and propshaft will come out.
Remove propshaft and take carrier to the bench for seal replacement. Clean carrier and bore of housing before reassembly. Replaced by 1666-8833T13 1666-8833T13 - GEAR HOUSING ASSE More info Unavailable 26-41365A 3.
DRIVESHAFT HOUSING SEAL KIT 1 required per assembly 26-41365A 3 - Seal Kit More info 5984 3 in stock. 18-2697-1 - Seal Kit 26-41365A3 More info 4999 4492 10 in stock. Mercury 99 4 stroke kicker shaft seal replacement It is unlikely that it is a shaft seal.
It could be as simple as the O ring seals on the plugs - happens a lot. I had my mechanic–the local Mercury dealer–change the propeller shaft seals. On one of the engines the retaining ring could not be removed.
It was frozen in place due to corrosion. The engine had been used–some 15 years earlier–in saltwater. Ive got a Merc110 98 horse motor that I got for free and the prop seal leaks gear oil.
Its milky in color as is the grease in the lower unit so I know that its gear oil and not exhaust residue. I cant find a data plate to get the serial number and year but my question is if that seals is something that a mechanically inclined backyard tinkerer can replace without too much. If I had replaced the seals the first chance I had last year I would not have been in this position.
200 versus 5000 sick. The shop quoted me 6150 to rebuild mine 6975 for an Merc remanurebuilt drive. I found a BRAND NEW Bravo 3 drive for 4350 SH included on Ebay.
The seller was a Merc dealer has a 12 month warranty. Replaced by 17-8M0020999 17-8M0020999 - Pin Cross More info 730 1 in stock. SPRING COMPRESSION - PROPELLER SHAFT 1 required per assembly 24-88680 - SPRING More info 580 3 in stock.
Seal Kit Lower Gearcase Mercury 70-75hp Mfg Part. 814669A1 Click to see substitution Items. Not In Stock 8164641 Oil Seal Shift Shaft OEM Mercury 40-275hp Verado Force 7590120hp Cross Ref.
76384 816464 8164641 Mfg Part. 26-816464 1 In Stock. Removal of Prop shaft on 99hp Merc So 99 have the tool you need built into the prop hub spacer thake the prop off and if the spacer has a SS washer around the part that slides into the prop remove it and use the hex nut on the back.
Replacing Seals on Prop Shafts. Changing damaged seals can help save your outboard or sterndrive gear case. Removing the Cover Nut.
Remove the screws and washers holding the carrier anode and pull it off. If eaten away replace it. If not clean up the exhaust residue.
Pressure test the gear case to establish if there is a leak. If the leak is from the propeller shaft seal you will likely have to tear down the gear case to replace the shaft seal. If the gear case has been used in saltwater and has never been apart since 1999 it.
Need help removing prop shaft to replace seal on a 20 hp mercury outboard. Im in the process of fixing up this motor I just got and noticed as I was draining the oil from the lower unit that there was some water in it. Im replacing the seals on the water pump and shifting rod but im guessing that the water is coming in through the prop shaft.
There is a separate upper seal kit. The seal kits cost about 60 each. There are several information pages and videos that apply to the replacement of the Prop Shaft Seals.
Bravo One Outdrive Service. Our selection of propeller shaft seals includes seals from PSS and Orbitrade Marine suitable for imperial or metric shafts ranging in diameter from 34 to 3-14 and 22mm to 90mm. The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds.
Ad Lagersmit The origin of sealing solutions. Deliver Peace of Mind with the best sealing solutions for ships pumps and tidal turbines.