OPERATING AND MAINTENANCE MANUAL
SUBMERSIBLE SEWAGE PUMP
3. INSTALLATION AND WARNINGS
1. Check whether there exist damages e.g cable, plug,etc in transport or storage. Check whether
insulation resistance exceed 50MΩ.
2. The electric pump must equip with creep age protector and the yellow-green core with
grounding mark from the lead-out cable of the three phase electric pump shall be properly
grounded.
3. Before submersion, trail-run test should not exceed 1 min, and check the rotational direction of
the electric pump to see whether it is correct, if not, turn off the power and swap any two of the
three phase.
4. Use the wire or clamp to fasten the soft hose and the screwed joint or welded flange for steel
hose and then fasten it with a rope through the handle to carry.
5. Do not strike or press the cable and nor shall it be used as hoisting rope. Do not pull the cable
while in operation to avoid damage to the cable that may lead to electric shock.
6. The depth when it is submersed, shall not exceed 5 m from the water bottom.
Do not place it in the mud to avoid clogging by weed and other matter that will put the electric
pump out of action. Check the water level frequently while in operation, to see whether it is
lowering and the electric pump shall not be out of water while running.
7. When operation, washing, swimming, bathing is forbidden nearby the operation area to avoid
accidents.
8. If the electric pump is used far away from the power source, thicken the cable in accordance
with the distance(thicker than the pump cable).
9. In normal operation, the bulit-in protection device (0.55 -2.2 kW) will not activate. In case the
protection device stops and turns on frequently, turn off the power for removing trouble before
use again.
10. The pump shall be used within the rated head range to avoid, damage from overloading.
11. If the motor is dry structure, do not fill with oil or water inside.
12. Cut off the power before adjusting the position of these electric pump or touching it to avoid
accidents.
13. After the power cut-off, remove the pump out or- water only after the rnotor cool off to avoid
accident.
14. The oil chamber of this pump has machine oil to ensure the mechanical seal lubrication and
cooling effectively, the oil maybe leak if the pump damaged or broke down. In the environment of
planting, breeding ,drinking water, food transport and processing, the leakage machine oil maybe
harm the plants and breeding and pollute the drinking water and food production. The user should
evaluate the operating environment and use of consequences before selecting this pump, in order
to confirm this pump is for use or not, when necessary, the user should ask the professionals to
confirm. If the machine oil leaks, the user should stop the pump immediately and handle properly.
15. If soft line damaged, the user must use the special soft line from factory or maintenance
department to purchase special component for replacement.
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