_ DIESEL TEST RUNIT FS. 423 FS 411 and 411A Apply PREPARATION: On March 5, 6, and 7th, mechanical and electrical test runs were made at the power house in order to obtain data on output, and also test the shut down time for the plant. Prior to the test runs, the electrical panel board was wired and instruments installed, and all automatic shut down timing equip- ment was checked and put in operation and all electrical equipment was dried out. A water rheostat was installed in the electrical system in order to simulate a balanced fill] load on the system, and thermocouple Also manometer, connections were installed as per Drawing F.S. 423 and instruments connected. The Power Plant at Runit consists of three Fairbanks-Morse, 5 cylinder, 175 BHP at 720 RPM, diesel engines, direct connected to Fairbanks-Morse alternating current generators of 60 cycle 118 KVA capacity, with a V belt driven direct current exciter. For the mechanical test Diesel Generator Unit No. 1 was used. TEST NO, 1. MARCH51951 This test consisted of a heat run on the equipment, and back pres- sure check was made on the regular exhaust system and auxiliary exhaust system with the following results: TIME: | 10:50 BACK PRESSURE TEST 5-318 ..