TM 10-4320-344-102.5.3.1 ElectricManualMode.(Continued)Suction and discharge pressures will vary depending on operating conditionsand engine speed.h.Use MANUAL THROTTLE INCREASE knob (6) to adjust engine speed as required toobtain desired engine speed or pump discharge pressure.Turn MANUALTHROTTLE INCREASE knob (6) counterclockwise to decrease engine speed asindicated on ENGINE TACHOMETER/HOURMETER (9) and pump discharge pressure asindicated on PUMP DISCHARGE gauge (1).Turn MANUAL THROTTLE INCREASE knob(6) clockwise to increase engine speed and pump discharge pressure.Downline pumping assemblies can be damaged if suction pressure falls below10 psi.All pumping assemblies can be damaged if discharge pressure risesabove 150 psi.i .Monitor suction pressure on PUMP SUCTION gauge (2).Also monitor dischargepressure on PUMP DISCHARGE gauge (1).If suction pressure falls below 10psi or discharge pressure rises above 150 psi, adjust MANUAL THROTTLEINCREASE knob (6) as required, step h above.If required, cut back to IDLEuntil problem is corrected.j .Perform “During” PMCS (Table 2-12).CAUTIONTo prevent damage to engine, DO NOT shut down engine suddenly fromfull-load running.k.l .2.5.3.2a .b .c .d.Shut down pumping assembly as follows:(1) Turn MANUAL THROTTLE INCREASE knob (6) counterclockwise to IDLEp o s i t i o n.Let engine idle for 2 or 3 minutes.(2) Push in START/STOP knob (3). Engine will shut down.Perform "After" PMCS (Table 2-12).Electric Automatic Mode.Start and operate pumping assembly as follows:Perform steps a through i of paragraph 2.5.3.1.Turn MANUAL THROTTLE INCREASE knob (Figure 2-28, 3) clockwise to HIGHp o s i t i o n.Push MODE SWITCH (2) to NORMAL position.Engine speed will adjustautomatically to changes in pump pressure rates.Perform “During” PMCS (Table 2-12).NOTECAUTION2-106
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
