Section VI. UNIT MAINTENANCE PROCEDURES

TM-10-4320-315-24 Pumping Assembly Water 600 GPM Trailer Mounted (NSN 4320-01-31448844) Manual
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TM 10-4320-315-24 Table 2-2. Troubleshooting Procedures - (Cont) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 5. IMPROPER GOVERNOR SYSTEM OPERATION - (Cont) Step 7. Check for governor actuator output signal between pins N and M of cable plug P1. With pumping assembly operating, signal should be a positive DC voltage which changes in magnitude when AUTO THROTTLE (ASA) is turned. If signal is correct, replace governor actuator (para. 2-30). If signal is not correct, change governor control module (para. 2-27) and if that doesn't work, change pressure control module (para 2-26). 6. ENGINE OVERHEATING. Check V-belt tensioner assembly for proper tension. Replace V-belt tensioner if damaged (para. 2-44). Section VI. UNIT MAINTENANCE PROCEDURES PARAGRAPH TITLE PARAGRAPH Air Cleaner and Air Intake Line ................................................................................................................................... 2-39 Air Filter Gage and Hose ............................................................................................................................................ 2-34 Alternator ................................................................................................................................................................... 2-52 Auto Defeat Cable....................................................................................................................................................... 2-31 Auto Select, Throttle Select, and Engine Switches ..................................................................................................... 2-24 Battery Assembly and Battery Box ............................................................................................................................. 2-16 Brake Actuator ........................................................................................................................................................... 2-56 Brake Shoes and Wheel Cylinders ............................................................................................................................. 2-59 Cold Start Aid Hose, Bottle and Cable ........................................................................................................................ 2-33 Control Panel Assembly ............................................................................................................................................. 2-17 Control Panel Wire Harness ....................................................................................................................................... 2-29 Cooling Blower Assembly ........................................................................................................................................... 2-42 Cylinder Head Assembly ............................................................................................................................................ 2-55 Cylinder Head Cover .................................................................................................................................................. 2-54 Electrical Switch ......................................................................................................................................................... 2-23 Engine High Temperature, Engine Overspeed, and Engine Low Oil Indicators ........................................................... 2-18 Engine Oil Drain Line ................................................................................................................................................. 2-40 Engine Protection System Module .............................................................................................................................. 2-28 Engine Temperature, Oil Pressure, and Fuel Tank Gages .......................................................................................... 2-19 Engine Temperature and Oil Pressure Switches and Senders .................................................................................... 2-37 Engine Volts Meter ..................................................................................................................................................... 2-20 Engine Wiring Harness ............................................................................................................................................... 2-35 Fuel Filter Assembly .................................................................................................................................................. 2-43 Fuel Injection Lines .................................................................................................................................................... 2-49 Fuel Injectors ............................................................................................................................................................. 2-50 Fuel Supply Pump ...................................................................................................................................................... 2-51 Fuel Valves and Lines ................................................................................................................................................ 2-38 2-20

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