4.12.4.1. System Wiring Testing

Figure 4-39. Wiring Harness Testing (sheet 1 of 2)

TM-10-4320-226-14 Water Pumping Assembly Diesel Engine Driven Wheel Mounted 350 Gallons Per Minute (GPM) 275 Foot Head Models: 350 PAW Manual
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TM 10-4320-226-14 4.12.4.1. System Wiring Testing. (Used on Model 350 PAWN) INITIAL SETUP Tools General Safety Instructions General Mechanic’s Tool Kit (Appendix B, Section III, To prevent rolling or sliding, do not work on equipment Item 1) that is not securely stabilized. Material/Parts Do not work on equipment without following standard shop safety precautions. Tags (Appendix E, Section II, Item 12) Equipment shut down, paragraph 2.5.2. W A R N I N G Do not work on wiring harness with negative battery terminal connected. To prevent rolling or sliding, do not work on equipment that is not securely stabilized. Ensure both wheels are secure. Failure to obey these warnings may result in serious personnel injury. a. Remove screws (figure 4-39 sheet 1, 1), lo&washers (2) and flatwashers(3) that secure control panel cover (4) to control panel. b. Remove control panel cover (4). c. Tag and disconnect wires from terminal (5) as necessary. d. Using multimeter, check continuity of wires using figure 4-39 sheet 2 as a guide. e If any wire does not show continuity, refer to paragraph 4.12.5 and replace wiring harness or individual defective wire. f. Position cover (sheet 1,4) on control panel panel. g. Secure cover (4) to control panel with flatwashers (3), lockwashers (2) and screws (1). Change 2 4-72.1

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