TM 5-4610-223-12
Table 4-2. Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER PURIFICATION UNIT-Cont
Step 4.
Check for defective toggle switch.
Replace toggle switch (para 4-55).
Step 5.
Check for defective sensitive switch.
Replace sensitive switch (para 4-54).
Step 6.
Check for defective 110-volt receptacle connector.
Replace 110-volt receptacle connector (paras 4-60 and 4-61).
Step 7.
Float out of adjustment.
Adjust the float.
3. NO ELECTRIC POWER TO WATER TREATMENT EQUIPMENT.
Step 1.
Main power cable leads not connected properly.
Connect the cable leads.(refer to para 4-66).
Step 2. Check for defective main power cable.
Repair or replace power cable.
Step 3. Check for dirty terminals or loose connections.
Clean terminals and tighten connections (para 4-65).
4. RAW WATER PUMP WILL NOT OPERATE.
Step 1.
Check for dirty terminals or loose connections.
Clean terminals and tighten connections (para 4-113).
Step 2.
Check for defective motor starter overload relay heater.
Replace motor starter overload relay heater (para 4-49).
Step 3.
Check for defective motor starter operating coil.
Replace motor starter operating coil (para 4-50).
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