TM 10 4320-303-13Table 3-1. Operator Troubleshooting Table. (Continued)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION3. NO DISCHARGE OF WATER AT MANUAL DISBURSING STATION. (CONTINUED)Step 3.Check 2 inch and 4 inch hoseline sections for loose connections or leaks.a. Refer to paragraph 2.3.7 and reconnect loose 2 inch hoseline connection or refer to paragraph2.3.7 and reconnect loose 4 inch hoseline connection.b. Notify supervisor if 2 inch or 4 inch hoseline is damaged or has a Class III leak.Step 4.Check nozzles and elbow valve assemblies for damage or defective parts.a. If damaged or defective parts are found, notify unit maintenance.Step 5.Check hypochlorination unit adjustment range to ensure that flow is at 14 gpm.a. If 14 gpm flow rate can not be obtained, notify unit maintenance.4. NO DISCHARGE OF WATER AT PRESSURE REDUCING VALVE.Step 1.Check that isolation cock valves are open.a. If not, fully open isolation cock valves.b. If no discharge of water, go to step 2.Step 2.Ensure pressure reducing valve is correctly installed.a. If water still does not flow and pressure reducing valve is correctly installed, notify unitmaintenance.5. PRESSURE RELIEF VALVE ACTIVATES.Step 1.Check for obstructions and closed butterfly valves downline.a. Clear obstructions.b. Open butterfly valves.Step 2.Check for proper installation of pressure reducing valve.a. Reposition pressure reducing valve if required.Step 3.Check for malfunctioning pressure reducing valve.a. Check that, isolation check valves are open.b. If still malfunctioning, notify unit maintenance.Step 4.Refer to technical manual for 600 gpm pumping assemblies and ensure 600 gpm pumping assemblies are operating properly.a. If 600 gpm pumping assemblies are not operating properly, refer to proper technical manual and troubleshoot 600 gpm pumping assemblies.Step 5.Install new pressure relief valve.3-4
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