TM 10-4610-241-10
TO 40W4-13-41
2-17. PREPARATION FOR MOVEMENT- cont.
e
Take down backwash water system. Refer to figure 2-37).
(1)
Remove hose from top of backwash tank. Secure hose away from unit.
(2)
Disconnect discharge hose from BACKWASH coupling on control panel. Place end of hose down stream.
(3)
Open gate valve at backwash tank.
CAUTION
Use the ELEMENT CLEANING SWITCH (24, figure 2-5) to start the backwash pump, NOT the
START BACKWASH SWITCH (unit will go into automatic backwash cycle).
(4)
Set ELEMENT CLEANING switch (24, figure 2-5) to START. Run backwash pump until all water is drained
from brine water tank.
(5)
Set ELEMENT CLEANING switch (24) to OFF.
(6)
Set BACKWASH circuit breaker CB-2 (46) to off (down).
(7)
Disconnect backwash pump electrical cable from BACKWASH PUMP connector on distribution panel.
(8)
Roll up electrical cable onto backwash pump frame (figure 2-37).
(9)
Open draincock on bottom of backwash pump and allow water to drain, then close draincock.
(10)
Disconnect gate valve and all backwash hoses. Allow components to drain and dry.
(11)
Install caps and plugs on all hoses.
(12)
Roll up collapsible hoses.
(13)
Remove two nuts, lockwashers, flat washers, and bolts from strainer (figure 2-28).
(14)
Disconnect strainer coupling from backwash pump and remove strainer.
(15)
Reinstall two bolts, flat washers, lockwashers and nuts on strainer for future use.
(16)
Secure strainer to frame of backwash pump with tie strap.
(17)
Prepare water tank for movement (TM 5-5430-227-12&P/TO 37A12-1-121).
2-135
