TM 5-4320-274-14&P
b. Starting Instructions. To start the electric motor powered pump, connect the power cable (fig. 2-2) to a 3
phase, 208 volt, 60 hertz power source.
2-3. Stopping
Disconnect the power cable from source of power.
2-4. Operation of Equipment
The operation of the pump is largely automatic. The operator should maintain constant watch for overheating, failure
to perform to rated efficiency, and vibration. Proper care and maintenance will in- sure efficient operation.
Figure 2-2. Power cable.
Section II. OPERATION UNDER UNUSUAL CONDITIONS
2-5. Operation in Extreme Cold
a. Keep the unit free of snow and ice. Cover the unit when not in use. Provide a suitable shelter for the unit during
outside operation.
b. To avoid freezing, drain the pump after operation.
c. In extreme cold it may be necessary to preheat the pump body; apply heat cautiously and sparingly.
CAUTION
Do not overheat the pump body.
2-6. Operation in Extreme Heat
a. Protect the unit from the direct rays of the sun.
b. Maintain adequate space around the unit to provide for heat dissipation. If operating in an en- closure, provide a
fan to circulate air when possible.
2-3
