2.5.1.3 Electric Automatic Mode

TM-10-4320-344-10 Pump Assembly Water 600 GPM Model 609-A (NSN 4320-01-184-7494) Model 609-C (NSN 4320-01-261-6470) Model US636HCCD-1 Manual
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2.5.1.2 Electric Manual Mode. (Continued) CAUTION To prevent damage to engine, DO NOT shut down engine suddenly from full-load running. o . To stop engine, turn ELECTRIC SPEED CONTROL (6) counterclockwise to idle p o s i t i o n . Let engine idle for 2 or 3 minutes. Push ENGINE SWITCH (5) to OFF position. Engine will shut down. p . Turn FUEL RACK handle (7) counterclockwise and release. q . Perform "After" PMCS (Table 2-10). 2.5.1.3 Electric Automatic Mode. Start and operate Model 609-A as follows: During startup, electric manual CAUTION all pumping assemblies should be operated in manual or modes. a. b. c . Perform steps a through j of paragraph 2.5.1.2. Turn PRESSURE REGULATOR SWITCH (Figure 2-21, 4) clockwise to AUTO position. Engine speed is now automatically controlled by the pressure regulator. The pressure regulator provides 150 psi discharge pressure at suction pressures of 20 to 120 psi. Perform "During" PMCS (Table 2-10). Figure 2-21. Model 609-A Controls for Electric Automatic Operation. 2-94 TM 10-4320-344-10

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