How to check hydraulic bladder accumulators safely while equipment is running
Everyone seems to have access to a non-contact thermometer, put it to good use. I check my Hydraulic accumulators between PMs by checking the temperature of the shell at the top and at the bottom. If an accumulator is properly charged I typically see a temperature difference of at least 10°F on a warmed-up hydraulic system. If there several accumulators in a bank you may see one that stands out because of these readings. I generally use our infrared camera to scan the accumulators while I am making my rounds however I have used a common handheld temperature gun to get the same results. The first image shows an accumulator bank that has two ruptured bladders. The second image is the same accumulator bank after repairs were made and all accumulators were charged to the proper operating pressure.
User Submitted Tip provided by John Morris, Maintenance Planner, Duferco Farrell Corporation
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