TM 5-3820-276-10-2
0225
WINTERIZE WATER WELL DRILLING RIG (WWDR) - Continued
17.
Rotate washdown hose valve handle (Figure 7, Item 3) down to OPEN position.
1
2
3
WWDS00138
Figure 7.
Water Injection Switch.
18.
Set WATER INJECTION switch (Figure 7, Item 1) to ON position.
19.
Rotate WATER INJ FLOW regulator (Figure 7, Item 2) clockwise until propylene glycol flows from end of
washdown hose.
20.
Set WATER INJECTION switch (Figure 7, Item 1) to OFF position.
21.
Rotate washdown hose valve handle (Figure 7, Item 3) up to CLOSE position.
22.
Disconnect suction hose (Figure 8, Item 5) with aid of an assistant from 25 gpm water injection pump
(Figure 8, Item 1).