Jun 30, 2012 #one There are plenty of water-in-the-oil threads so I just considered I might throw this on the market. Any water indicates a seal is leaking, and it may be as simple as an oil fill plug seal or as tricky being a prop shaft seal. The real key is finding which of them are leaking. Once i rebuild a lower unit, I test it for both of those positive and damaging pressure, According to the factory manual. I at first made this tiny tester tool to make use of on my previous '56 30hp with a bicycle pump w/gauge plus a Mighty Vac tool. All it is actually is usually a brass tire tube valve stem inserted into a short piece of plastic tubing and secured with a hose clamp.
Wrap the threads in the adapter as well as the pressure gauge with Teflon tape to create a safe seal. Make sure the tape is wrapped in the path of your threads to prevent it from unraveling during tightening.
Constantly talk to your engine’s owner’s manual for Guidelines and information unique in your engine. If you want clarification on examining compression, seek advice from a Yamaha-certified mechanic.
It aims to match or exceed sector standards, supplying a cost-successful substitute to brand new units.
After Seal or Component Replacement: If you've lately replaced a seal, bearing, or any component in the lower unit, it's a good observe to perform a pressure test to ensure that the replacement was effective and check here there are no leaks.
Now that you already know all about pressure testing your gearcase! Here are a few other content articles that we have penned you will locate truly practical and informational!
At Wholesale Marine, we make shopping simple with speedy, same-working day shipping and delivery and superb customer service. Our marine professionals are available that can assist you find the proper Mercury outboard lower unit rebuild kit and response any installation concerns.
Lower Unit Oil Pump: You’ll demand an oil pump to introduce air in the lower unit during the test. This pump need to be appropriate with your lower unit’s design and able to accomplishing the necessary pressure amounts.
Do you present warranty and support in your remanufactured lower units? Of course, all remanufactured lower units for sale at US Boatworks come with a complete 1-year warranty.
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We’ll wander you through the commonest maintenance checks and repairs, and aid make guaranteed you have each of the tools you need to do it suitable The 1st time.
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In that case be sure to view this online video with total attention to stay away from frequent lower unit replacement mistakes. As well as learn how to economize whilst having a top quality drive that will past for years.
Its Principal importance lies in its ability to act as a safeguard, determining opportunity troubles within the outboard motor’s lower unit that might otherwise continue being hidden, ultimately ensuring the ongoing well being and general performance of the vessel.