Preventive Maintenance Checks and Services for Electrical Power Systems(Continued)

Preventive Maintenance Checks and Services for Electrical Power Systems(Continued) - TM-55-1930-209-14P-19_316

Preventive Maintenance Checks and Services for Electrical Power Systems(Continued) - TM-55-1930-209-14P-19_318

TM-55-1930-209-14P-19 Water Purification Barges (NSN 1930-01-234-2165) Workboat Lifesaving and Firefighting Equipment Manual
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TM 55-1930-209-14&P-19 Table 9-3. Preventive Maintenance Checks and Services for Electrical Power Systems(Continued) B - Before D - During A - After H - Hourly Interval INTERVAL ITEM PROCEDURES EQUIPMENT ITEM TO BE CHECK FOR AND HAVE IS NOT READY/ NO. INSPECTED REPAIRED OR ADJUSTED AVAILABLE IF B D A H AS NECESSARY 250 hrs b. If engine runs cooler or warmer than nor- mal or engine coolant temperature fluctu- ates, check thermostat. Perform the following: 1) Remove water connection between header tank and exhaust manifold by loosening both hose clips and sliding hose toward exhaust manifold. 2) Remove two setscrews holding water pipe to header tank. 3) Remove setscrews holding top cover on thermostat housing. Remove cover and lift out thermostat. 4) Place thermostat in container of water and gradually heat. With an accurate thermometer, check water tempera- ture at frequent intervals. Valve should start to open at temperature stamped on top face of thermostat next to valve seat. 5) If thermostat test shows it is opening and closing at designated tempera- ture, reinstall in housing in reverse order of removal. 6) If thermostat does not open and close at designated temperature, install new thermostat in reverse order of removal. 9 125 hrs Air Intake Filter NOTE Every 125 hours of operation or every 3 months (whichever comes first). a. Clean air intake filter. 1) Redtag auxiliary generator switch- board control panel indicating, "WARNING-DO NOT ACTIVATE. REPAIRS BEING MADE." 2) Remove air cleaner cover and filter element. 9-32

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