TM 10-4610-310-14
0010 00
CHEMICAL INJECTION PUMP OPERATION - CONTINUED
2. While chemical injection pumps are running, pull out the priming knob and rotate quarter-turn. A small
amount of fluid will begin to discharge from the relief port. See Figure 9.
3. Once the pumps are primed, pull out the priming knobs and turn it a quarter turn (in any direction) to snap it
shut. If the pumps are not priming see the end of this work package for instruction.
SPEED
CONTROL
STROKE
CONTROL
Figure 8. Chemical Injection Pump Front.
DISCHARGE SIDE
PRIMING
KNOB
RELIEF PORT
SUCTION SIDE
Figure 9. Chemical Pump Rear.
4. After the pump is primed, adjust the STROKE control knob to 60. See Figure 8.
5. Adjust the SPEED control knob to 30.
6. These settings provides for adequate coagulant injection.
7. The LWP is now operational. Measure the water quality (TDS and chlorine residual).
8. If necessary, readjust the hypochlorite pump P7 speed to obtain the desired chlorine residual.