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Heat Exchanger Leak | Boating Forum - iboats Boating Forums
https://forums.iboats.com/threads/heat-exchanger-leak.275374/#:~:text=Pressurize%20the%20system.Use%20the%20stethascope%20and%20put%20it,shop%20they%20should%20be%20able%20to%20fix%20it.
bad 525 EFI heat exchanger ? - Offshoreonly.com
https://www.offshoreonly.com/forums/general-q/338737-bad-525-efi-heat-exchanger.html
It's very easy to test with a couple of generic radiator hoses from Advance Auto and a couple of PVC pipe end caps; along with a rubber tip blow gun from an air compressor. You can braise closed up to 3 of the tubes and still have it be cooling efficiently according to Mercury specs. I ended up just replacing both of mine on my 496HOs.
Leak testing of heat exchangers - INFICON
https://www.inficon.com/v1/attachment/Leak-testing-heat-exchangers-english
Leak Detector (which is valved into the vacuum pumps after the part has been filled with helium) detects the helium atoms as they emerge from the heat exchanger. Leak location in rework . After one or more leaks have been detected, the leak needs to be located and repaired. Depending on the leak rate requirements, the heat exchanger is either
Leakdown Test Mercury - YouTube
https://www.youtube.com/watch?v=kuAqfZUfoXQ
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Furnace Heat Exchanger Leaks & Heat Exchanger Testing …
https://inspectapedia.com/heat/Furnace_Heat_Exchanger_Leak_Test.php
Step 1 Visual inspection, Step 2 Burner flame deviation test. Step 3 injecting a nitrogen/methane gas mixture into the burner chamber. The heat exchanger outlet of the heat exchanger is plugged and a combustible gas detector is used to check for …
Installation Manual MY2002-2013 525HP EFI
https://www.cpperformance.com/Instructions/525HPPCM555A3R5.pdf
525HP SC _V3R5 6 of 67 TOP PORT 1. Move actuator arm into actuator. 2. Plug top port with finger while actuator is pressed in. 3. Let go of actuator arm while finger is still on top port. 4. If actuator is good, actuator arm will stay in the same position until you remove your finger. If bad, it will come back to it’s relaxed position.
Question on Mercury Racing 525 EFI | River Daves Place
https://www.riverdavesplace.com/forums/threads/question-on-mercury-racing-525-efi.173130/
Reaction score. 4,292. Looking for some maintenance advice on our 2007 Mercury Racing 525 EFI engine with 310 hours. Two weeks ago when idling into Windsor to pull the boat out we heard the Tap-Tap-Tap of a possible loose rocker arm. When the valve cover was lifted we saw the culprit. One of the OEM rocker arms had cracked.
Heat Exchanger Leak | Boating Forum - iboats Boating Forums
https://forums.iboats.com/threads/heat-exchanger-leak.275374/
Pressurize the system.Use the stethascope and put it on the heat exchanger. They make stethascopes for mechanics.If only the block is cooled by antifreeze then it should be easy to find the leak. Take it to a radiator shop they should be able to fix it.
Cleaning and repairing a boat heat exchanger - YouTube
https://www.youtube.com/watch?v=aKMnLa2_RtU
Boat heat exchangers are similar to car radiators, only raw water from the river, lake or ocean you are boating in is used to cool the coolant pumped through...
Offshoreonly.com - Mercury Racing blue motors: 500EFI, 525 ...
https://www.offshoreonly.com/forums/general-q/242108-mercury-racing-blue-motors-500efi-525-efi-575-sci-pros-cons-maintenance-etc-print.html
Now you can buy the CMI header for around $4000, I believe the inferiour Merc version is $8000. Another example on merc's outragious mark-up. The rockers used in the new blue engines are Scorpion Endurance Marine Rockers, they list for around $400.00 merc price around $800.00.
Whipple 525EFI Stage 2 Install: The Teague Way | River ...
https://www.riverdavesplace.com/forums/threads/whipple-525efi-stage-2-install-the-teague-way.106931/
Reaction score. 634. The Mercury Racing 525 EFI is one of the most popular OEM engine packages for adding forced induction. As almost all of these engines are now out of warranty, we are seeing a lot of interests in refresh projects and supercharger installs. A Conquest TopCat II recently came in looking for more power, and we are going to ...
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