TM 5-4610-223-12
1.
Gate control valve CV-14,
6.
Gate drain valve DV-23,
1 1/2 in.
1 in.
2.
Sight glass, SG-1
7.
Waste water tank
3.
Gage drain valve
8.
Swing cheek valve SCV-24,
DV-21
2 in.
4.
Gate drain valve DV-25,
9.
Gate drain valve DV-20,
2 in.
2 in.
5.
Drain valve, DV-22, 1 in.
10. Gate drain valve DV-19 2 in.
Figure 2-16. Lower Control Valves, Erdlator and Related Parts.
(h)
Close ventrock CV-6 (1, fig. 2-13) located above erdlator tank on raw water line to slurry feeder.
(i)
Open gate control valve CV-9 (3) located above erdlator tank on raw water main influent line.
(j)
Open gate control valves CV-10 (5) and CV-11 (7) located above erdlator tank in aspirator aeration manifold.
(k)
Close gate valve BPV-12, (4) located on water level alarm piping above erdlator tank.
(l)
Close drain cock DC-13 (9) located on water level alarm piping above erdlator tank.
(m)
Close the quick acting gate control valve CV-34, (4, fig. 2-17) located on coagulated water line to filter pump (1).
2-32
