TM 10-4610-240-10
TM 08580C-10/1
T.O. 40W4-13-21
(d) Remove intake hose from all chemical containers.
(e) Allow pump to run (38, figure 2-4) for 5 to 10 seconds to empty water from chemical pumps.
(f) Stop pump motor and empty chemical containers.
(g) Set chemical pump valves to PRIME position.
(h) Remove all hoses from pump and drain.
(5) Drain distribution pump and raw water pumps No. 1 and No. 2:
(a) Disconnect inlet and outlet hoses from pumps.
(b) Tip pumps toward each connection to permit drainage.
(c) Open pump vent valve on raw water pumps No: 1 and No. 2 (figure 2-39).
(d) Open pump drain valve on raw water pumps No. 1 and No. 2 (figure 2-38).
(e) Run pumps (39-41, figure 2-4) for less than 5 second intervals until all water is out.
(f) Shut off pumps.
(6) Drain backwash pump:
(a) Disconnect backwash suction hose at backwash pump.
(b) Open draincock on bottom of backwash pump. Drain pump and backwash strainer.
(c) Close draincock on pump.
12-21. HOT WEATHER.
a. When the air temperature is 90 (32 ) or above, park in the shade and leave canvas cover open and over the
F
C
ROWPU. Leave control panel uncovered.
NOTE
The motors will automatically shut off if they overheat.
b. Check raw water and product water more often during hot weather.
NOTE
Plant life in water will clog multimedia filter and, therefore, reduce time between filter backwashings
during hot weather.
c. Carefully inspect wire insulation for damage.
2-95
