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Tsurumi Pump LSC Series Operation Manual

Submersible residue dewatering pump, self-priming residue dewatering pump
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Submersible Residue Dewatering Pump
Self-Priming Residue Dewatering Pump
OPERATION MANUAL
INTRODUCTION
Thank you for selecting the Tsurumi LSC Submersible Residue Dewatering Pump and LSP Self-Priming
Residue Dewatering Pump.
This equipment should not be used for applications other than those listed in this manual. Failure to observe
this precaution may lead to a malfunction or an accident. In the event of a malfunction or an accident, the
manufacturer will not assume any liability. After reading this Operation Manual, keep it in a location that is
easily accessible, so that it can be referred to whenever information is needed while operating the equipment.
TSURUMI MANUFACTURING CO., LTD.
LSC
LSP
1. BE SURE TO READ FOR YOUR SAFETY ..................... 1
2. PART NAMES.................................................................. 4
3. PRIOR TO OPERATION ............................................... 5
4. INSTALLATION ............................................................. 6
5. ELECTRICAL WIRING .................................................... 9
6. OPERATION .................................................................... 13
7. MAINTENANCE AND INSPECTION ............................... 14
9. TROUBLESHOOTING .................................................. 18
CONTENTS
17200472/B-10225-1

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  • Page 1: Table Of Contents

    17200472/B-10225-1 Submersible Residue Dewatering Pump Self-Priming Residue Dewatering Pump OPERATION MANUAL INTRODUCTION Thank you for selecting the Tsurumi LSC Submersible Residue Dewatering Pump and LSP Self-Priming Residue Dewatering Pump. This equipment should not be used for applications other than those listed in this manual. Failure to observe this precaution may lead to a malfunction or an accident.

  • Page 2: Be Sure To Read For Your Safety

    1 BE SURE TO READ FOR YOUR SAFETY Be sure to thoroughly read and understand the SAFETY PRECAUTIONS given in this section before using the equipment in order to operate the equipment correctly. The precautionary measures described in this section are intended to prevent danger or damage to you or to others.
  • Page 3 CAUTION Be sure to provide a ground wire Prevent a metallic object or dust securely. Do not connect the from sticking to the power plug. ground wire to a gas pipe, water Adhesion of foreign object to the plug could cause electrical pipe, lightening rod, or telephone ground wire.
  • Page 4 PRECAUTIONS DURING MAINTENANCE AND INSPECTION WARNING Absolutely turn off the power Do not disassemble or repair any supply before starting maintenance parts other than those designated or inspection, and perform the work in the operation manual. If repairs after making sure that the impeller are necessary in any other than has stopped completely.Do not the designated parts, consult with...

  • Page 5: Part Names

    2 PART NAMES LSC1.4S Hose Coupling Handle Union Discharge Pipe Cabtyre Cable Mechanical Seal Rear Liner Oil Lifter (Wear Ring) Lubricant Oil Plug Oil casing V-Ring Pump Casing Stand Swing Check Valve Shaft Sleeve Bottom Plate Impeller Suction Cover LSP1.4S Cabtyre Cable Priming Plug Dischage...

  • Page 6: Prior To Operation

    3 PRIOR TO OPERATION When the pump is delivered, first perform the following checks. Product Inspection While unpacking, inspect the product for damage during shipment, and make sure all bolts and nuts are tightened properly. Specification Check Check the model number to make sure it is the product that was ordered. Be certain it is the correct voltage and frequency.

  • Page 7: Installation

    Product Specifications CAUTION Do not operate this product under any conditions other than those for which it is specified. Failure to observe this precaution can lead to electrical shock, electrical leakage, fire, water leakage or other problems. Major Standard Specifications Cleaning Water, Water on floor Puddles (LSC1.4S).

  • Page 8: Precautions In Installation

    Single-phase power supply: Single-Phase Use a megger to measure the resistance between the tip of the cabtyre cable plug and the ground terminal to verify the insulation MΩ resistance of the motor. Measure twice the resistance between each of the two tips of the plug and ground.
  • Page 9 (2) Avoid dropping the pump or other strong impact. Lift the pump by holding it firmly with the hands or by attaching a rope or chain to the handle. CAUTION The rope for suspending the pump during its installation must be of a thickness that accommodates the weight of the pump.

  • Page 10: Electrical Wiring

    5 ELECTRICAL WIRING Performing electrical wiring WARNING • Electrical wiring should be performed by a qualified person in accord with all applicable regulations. Failure to observe this precaution not only risks breaking the law but is extremely dangerous. • Incorrect wiring can lead to electrical leakage, electrical shock or fire. •...

  • Page 11: Electrical Circuit Diagrams

    Cabtyre cable CAUTION • If it is necessary to extend the cabtyre cable, use a core size equal to or larger than the original. This is necessary not only for avoiding a performance drop, but to prevent cable overheating which can result in fire, electrical leakage or electrical shock.

  • Page 12: Trial Operation

    Operation Water Level (LSCE1.4S) ■ Start of the pump The pump starts when the current continuously flows between the two electrodes for more than one(1) second. In case of forced starting Note: The electrode may not detect the Level Relay Unit watersurface under conditions such as purif ed water or distillated water which the current does not f ow cause of high...
  • Page 13 Operation Water Level (LSCE1.4S) To enable the user to bring the pumps ability into full play,this chart describes the various control modes that are made possible by the combinations of the electrode and timer functions. Water Level Relay Unit Pump Condition Level The electrodes of the level relay unit are...

  • Page 14: Operation

    6 OPERATION Before starting (1) Make sure once again that the product is of the correct voltage and frequency rating. CAUTION Using the product at other than rated voltage and frequency will not only lower its performance but may damage the product. Note: Conf rm the rated voltage and frequency on the model name plate.

  • Page 15: Maintenance And Inspection

    7 MAINTENANCE AND INSPECTION Regular maintenance and inspections are a necessity for continued efficient functioning of the pump. If any abnormal conditions are noticed, refer to the section on troubleshooting (P.15) and take corrective measures immediately. It is recommended that a spare pump be kept ready in case of any problems. Prior to Inspecting WARNING Detach the cabtyre cable from the receptacle or terminals, after making...

  • Page 16: Replacement Parts

    Storage When the pump is out of use for an extended period, wash it and dry it thoroughly, then store it indoors. Note: Always run a test operation before putting the pump back into service. Oil Inspection and Oil change Inspecting Oil Remove the oil plug and tilt the pump to drain a small of oil.

  • Page 17: Disassembly Procedure

    Disassembly Procedure Note: Before disassembling, be sure to drain the oil. (1) Removing the suction cover and the pump casing Remove the hex bolts and the sealing washers from under the bottom plate and remove the bottom plate from the pump unit. Then, use a wrench to remove the hex bolt with flat washer to remove the stand, O-ring, suction cover, and the pump casing from the pump unit.
  • Page 18 Disassembly(LSP) Note: Before disassembly, drain the oil from the pump. (1) Remove the Bottom Plate and Suction Cover Remove the Hex. Bolt and Plain Washer under the Bottom Plate, then remove the Bottom Plate and Suction Cover from the Pump casing. (2) Remove the Impeller With a box wrench or other tool, remove the Impeller Nut, spring washer and Plain Washer, then remove the impeller, Shaft Sleeve and V-Ring from the Shaft.

  • Page 19: Troubleshooting

    9 TROUBLESHOOTING WARNING Always turn off the power before inspecting the pump. Failure to observe this precaution can result in serious accident. Before ordering repairs, carefully read through this instruction manual, then repeat the inspection. If the prob- lem remains, contact your nearest dealer or Tsurumi representative. Problem Possible cause Countermeasure...

  • Page 20: Disposal Of Product

    The following information is required when ordering repairs or making other inquiries. Product model Manufacturing number Purchase date Remarks Disposal of Product Properly dispose of the product by disassembling it, presorting the contents, and sending them to the waste material treatment site. ©...

This manual is also suitable for:

Lsp seriesLsc1.4sLsce1.4sLsp1.4s

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