TM 5-4610-218-12
Figure 2-12. Electrical driven raw water or distribution pump.
ference.
CAUTION
Do not start the erdlator agitator
quart of prepared ferric chloride solution in the
drive motor until there is at least one
downcomer when the erdlator tank is first filled.
foot (30.5 cm) of water in the erdlator
This will accelerate formation of the slurry blanket.
tank.
tor drive belt.
the line from the slurry weir box to the concentrator
tank. Open valve CV-16 (fig. 2-1) in the concen-
(2) Start the agitator drive motor by pressing
trator tank. When clear water has been established
the switch START button located on the front of the
in the upper portion of the sludge concentrator
electrical control cabinet door (fig. 2-11).
tank, open the draw-off orrifice plug control valve
CV-17 (fig. 2-1). This will allow clear water to flow
water by-pass float valve, until proper operating
through the draw-off piping to the wet well.
range is obtained on raw water flow indicator, fig. 2-
(7) Inspect the clarity characteristics of the
15.
water in the top of the erdlator tank and adjust the
(4) When the water in the erdlator tank be-
chemical feed settings as necessary. Inspect the
gins to flow into the effluent launder (fig. 1-4), level
slurry blanket for rotation and adjust the agitator
the launder. Turn the three adjustable support rods
speed as in fig. 2-14.
(8) When the coagulated water flowing from
launder uniformly throughout its entire circum-
2-41
