In Yanmar 3JH2E Heat Exchanger Removal, Step-by-Step with Photos, reader John M brought up the orientation of the core assembly within the heat exchanger. I believe there are three things to consider to properly place the core assembly:
My boat came with a Mantus anchor bridle, which I admit to having never used. For snubbing, I’ve simply used nylon rope secured to the anchor chain using two rolling hitches in series. However, for the scenario of leaving the boat unattended at an anchorage, I have been considering all options on the table.
I recently learned of the “Swiss cheese model” put forth by James T. Reason. The idea is that there’s a number of steps between events and an undesirable outcome… multiple opportunities or defenses to avoid a poor outcome, in other words.
While cruising in Mexico, I have access to forecasts of various weather models through PredictWind and an Iridium GO. I can also obtain NOAA synoptic charts for the region. However, on a couple notable occasions, the forecasts—even when just hours ahead—differed significantly from real conditions.
This is a follow-up to Yanmar 3JH2E Heat Exchanger Removal, Step-by-Step with Photos.
Being on a small boat, I’m always on the lookout for ways to save space.
Hopefully you never find yourself in a position where you need to replace your heat exchanger (like I did!). But if you do, firstly, I’m sorry! And secondly, hopefully this article will help ease your pain.
I am extremely saddened to report that Garmin has acquired Vesper. This marks the beginning of the end for the Vesper I love.
Here’s where I’m tracking my wish list for PredictWind Offshore.
Disassembly was straightforward. Some heat and scrapers were used to help coax the pieces apart. It appears the original sealant may have been a polysulfide.