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Table 4-2. Organizational  Troubleshooting  -  Continued - TM-3-4230-218-12P_112
Table 4-2. Organizational  Troubleshooting  -  Continued - TM-3-4230-218-12P_114

TM-3-4230-218-12P Decontaminating Apparatus: Power-Driven Portable Type A/E32U-8 NSN: 4230-01-163-8660 Manual
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TM 3-4230-218-12&P MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 4. 5. 6. 7. 8. ENGINE KNOCKS OR BACKFIRES. Notify  direct  support  maintenance  if  this  condition  exists. ENGINE  OVERHEATS. Notify  direct  support  maintenance  if  this  condition  exists. NO WATER PRESSURE. Step Step LOW Step Step 1. Check for clogged water pump. If water pump is clogged, clean out pump (page 4-50). If pump is not clogged, proceed to step 2. 2. Check  for  scale  or  other  foreign  objects  blocking  manometer sensing port. (See callout 2 on page 4-47). Disconnect manometer sensing connector from water outlet tee fitting. Remove foreign objects and reconnect manometer sensing connector. If foreign objects cannot be removed, notify direct support mainte- nance. WATER  PRESSURE. 1. Check for clogged step 1. Inspect water pump for water pump. Refer  to  MALFUNCTION  6, clogging (refer to MALFUNCTION 6, step 1). Check control panel WATER PRESSURE REGULATOR setting. Refer to page 3-8. If water pump is not clogged and valve is set properly, proceed to step 2. 2. Check for no water pressure indication while water is flowing from installed accessories. If water is flowing but there is no water pressure indication, notify direct  support  maintenance. WATER COMES OUT OF PRESSURE RELIEF VALVE. Notify direct support maintenance if this condition exists. 4-11







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