4.13.4 011 Pressure Bypass (S2) and Push to Start (S3) Switch Replacement.

4.13.5 Oil Pressure (M1), Ammeter (M2), and Tachometer/Hourmeter (M3) Replacement.

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 4.13.4 011 Pressure Bypass (S2) and Push to Start (S3) Switch Replacement. This task covers: 4.13.4.1 Removal 4.13.4.2 Installation INITIAL SETUP Tools Equipment Conditions (continued) General Mechanic’s Tool Kit (appendix B, Control Panel Assembly Cover removed, Section III, Item 1) paragraph 4.13.1. Materials/Parts General Safety Instructions Tags (appendix E, Section II, Item 12) To prevent rolling or sliding, do not work on equipment that is not securely Equipment Conditions stabilized. Equipment shut down, refer to Do not work on equipment without paragraph 2.5.1.2 or 2.5.2.2. following standard shop safety precautions. Figure 4-44. Oil Pressure Bypass and Push to Start Switch Replacement. 4.13.4.1 Removal. To prevent rolling or sliding, do not work on equipment that is not securely stabilized. Ensure both wheels are secure. Disconnect negative cables from batteries. Failure to obey this warning may result in serious personal injury. a. Tag and disconnect wires (figure 4-44, 1) from switch (2). b. Unscrew boot (3) from switch (2). c. Remove nut (4) from switch (2). d. Remove switch (2). 4.13.4.2 Installation. a. Install switch (2). b. Install nut (4) on switch (2). c. Thread boot (3) on switch (2). d. Connect wires (1) on switch (2) and remove tags. 4-85

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