2.5 OPERATING PROCEDURES

Figure 2-19. Model 609-A Controls Used for Manual Operation

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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TM 10-4320-344-10 Figure 2-18 Pump Discharge Elbow. c . Listen for air escaping from petcock (2). d. Watch for start of water flow from petcock outlet (3). Close petcock (2) when water begins to flow from petcock outlet (3). 2.5 OPERATING PROCEDURES. 2.5.1 Operation of Model 609-A. The pumping assembly is capable of three modes of operation: manual, electric manual, and electric automatic. Use manual or electric manual mode for startup. Electric automatic mode may be used for sustained operation after startup. 2.5.1.1 Manual Mode. Before starting Model 609-A, make sure that the pump has been primed (paragraph 2.4.1 or 2.4.2). Refer to Figure 2-19 and Model 609-A as follows: start and operate a. Perform "Before" PMCS (Table 2-10). b. Pull out MODE SWITCH (4) to unlock and set to MANUAL THROTTLE position. c . Turn MANUAL THROTTLE (6) clockwise until it is full in. d. Turn FUEL RACK handle (7) counterclockwise to UNLOCK position. Pull handle fully out and turn clockwise to LOCK position. 2 - 8 8

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