Organizational Maintenance Troubleshooting - Continued

Organizational Maintenance Troubleshooting - Continued - TM-5-4320-302-14_140

Section V. MAINTENANCE PROCEDURES - TM-5-4320-302-14_142

TM-5-4320-302-14 Forward Area Water Point Supply System (FAWPSS) Model WP55100 NSN 4320-01-168-1629 and Model 9095-91 NSN 4320-01-338-3305 Manual
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TM 5-4320-302-14 Table 4-2. Organizational Maintenance Troubleshooting - Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 5. Make sure that exhaust primer assembly works properly. Replace defective exhaust valve primer assembly (para 4-18). Step 6. Inspect check valve assembly for proper operation. Inspect check valve body assembly for cracks or damaged threads. Check that attaching hardware is tight and free of corrosion. Inspect check valve assembly for evidence of leakage, gasket damage, and presence of outer check valve weight. Machine screw shall be tight. All components must be free of corrosion. When in closed position, check valve gasket flapper must make an airtight seal on pump outlet. Be sure valve gasket flapper is free to open with pump flow. Replace check valve assembly (para 4-19). 9. PUMP OUTPUT LOW Step 1. Check that engine speed is properly adjusted for desired flow and conditions. Adjust engine speed (para 2-5). Step 2. See Malfunction 8, steps 1 thru 6. Step 3. See Malfunction 8, steps 4 and 5. Step 4. See Malfunction 8, step 6. 4-45

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