TM 5-4610-218-12
Troubleshooting
Table 3-2.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
WATER TREATMENT SECTION
1.
ERDLATOR FAILS TO DELIVER DESIRED QUANTITY OR QUALITY OF WATER.
Drive belt incorrectly adjusted or worn.
Step 1.
Adjust or replace the drive belt.
C o n t r o l s incorrectly adjusted.
Step 2.
Adjust the feed indicators
Adjust control valves CV-10, CV-11, CV-16, CV-17.
Excessive sludge in erdlator tank slurry pool above weir
Step 3.
b o x take-off slot.
Adjust the valves (CV-16 and CV-17) controlling the
draw-off to the wet well tank.
Chemical dosage incorrect.
Step 4.
Adjust the chemical dosage.
Banking or rotating.
Step 5.
Decrease the agitator mixing speed.
Boiling appearance of slurry pool, baffles in bottom of
Step 6.
erdlator tank plugged.
Drain and clean the erdlator tank.
Large floe particles and foam on the water in the erdlator
Step 7.
tank caused by inadequate agitation or leaks on the suction
side of the raw water pump.
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