Cleaning your marine AC unit's raw water lines is one of the most important maintenance tasks you can perform to ensure your air conditioner runs efficiently and effectively. Not only can a dirty AC unit's cooling lines increase your energy bills, but they can also lead to premature failure and constant breakdowns. In this video, we'll show you why cleaning your AC unit's sea water cooling lines is crucial and show you what it looks like. Whether you're dealing with a marine air conditioning system or multiple systems, regular cleaning is essential to prevent damage from marine growth, silt, and debris. So, grab your Barnacle Buster and let's get started on seasonal cleaning and AC maintenance to keep your air conditioner running smoothly all year round!

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While crossing the Mona Passage, 35 nautical miles offshore, we ran into trouble with our Yanmar 4JH4E. We were motoring in light winds when we noticed a change in the exhaust pitch — turns out, seawater wasn’t flowing properly. We checked the impeller and, strangely, it looked intact… but it could spin freely by hand — not a good sign. After getting towed back to our anchorage at midnight (huge thanks to Michael, who came out and saved us!), we dug deeper and discovered that the gear inside the old water pump had worn down badly. It turns out the pump wasn’t making full contact with the internal gear, likely due to an aftermarket impeller and shallow gear engagement. We ordered a new OEM water pump from R&B Power in San Juan, and they were awesome — super responsive and got us the part

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#shorts Kurzgesagt: So ist Segeln. Jetzt haben wir auch mal shorts ausprobiert.

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