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Tsurumi Pump KRS Series Operation Manual

Submersible dewatering pumps
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Submersible Dewatering Pumps
INTRODUCTION
Thank you for selecting the Tsurumi KRS Series Submersible Dewatering Pumps.
This operation manual explains the product operations and gives important precautions regarding its safe
use. In order to use the product to maximum benefit, be sure to read the instructions thoroughly and follow
them carefully.
To avoid accident, do not use the pump in any way other than as described in this operation manual. Note
that the manufacturer cannot be responsible for accidents arising because the product was not used as
prescribed. After reading this operation manual, keep it nearby as a reference in case questions arise during
use.
When lending this product to another party, always be sure to include this operation manual as well.
If this operation manual should become lost or damaged, ask your nearest dealer or Tsurumi representative
for another copy.
Every effort has been made to ensure the completeness and accuracy of this document. Please contact your
nearest dealer or Tsurumi representative if you notice any possible error or omission.
The contents of this document may not be copied in whole or in part without the express permission of
Tsurumi Manufacturing Co., Ltd.
TSURUMI MANUFACTURING CO., LTD.
KRS Series
OPERATION MANUAL
1. BE SURE TO READ FOR YOUR SAFETY ..................... 1
2. NAME OF PARTS .......................................................... 4
3. PRIOR TO OPERATION ............................................... 5
4. INSTALLATION ............................................................. 7
5. ELECTRICAL WIRING .................................................... 9
6. OPERATION .................................................................... 10
7. MAINTENANCE AND INSPECTION ............................... 13
8. DISASSEMBLY AND REASSEMBLY ............................. 15
9. TROUBLESHOOTING .................................................. 18
CONTENTS
17200461/B-10216-1

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  • Page 1: Table Of Contents

    OPERATION MANUAL INTRODUCTION Thank you for selecting the Tsurumi KRS Series Submersible Dewatering Pumps. This operation manual explains the product operations and gives important precautions regarding its safe use. In order to use the product to maximum benefit, be sure to read the instructions thoroughly and follow them carefully.

  • 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 Attach a hose securely to the hose coupling. Imperfect connection of securely. Do not connect the hose could cause water leakage ground wire to a gas pipe, water which may result in the damage pipe, lightening rod, or telephone ground wire.
  • Page 4 CAUTION Do not use the product for hot or When the product will not be used , as doing so warm liquid over 40 for an extended period, be sure to will damage the product, which turn off the power supply (earth may lead to electrical leakage or leakage circuit breaker, etc.).

  • Page 5: Name Of Parts

    2 NAME OF PARTS Example ; KRS2-C6 Cabtyre Cable Hose Coupling Handle Mechanical Seal Lubricant Oil Lifter Shaft Sleeve Oil Seal Oil Plug Pump Casing Impeller Suction Cover Strainer Bottom Plate Note: The above diagram is typical of the KRS2-C6, but some models may vary slightly in appearance or internal structure.

  • Page 6: Prior To Operation

    3 PRIOR TO OPERATION When the pump is delivered, first perform the following checks. 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: Product Specifications

    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 Fluid Property Rain water, Ground water, Sand carrying water ;...

  • Page 8: Installation

    4 INSTALLATION CAUTION • Do not use this pump in liquids other than water, such as oil, salt water, or organic solvents. • Use with a power supply voltage tolerance within ± 5% of the rated voltage. • Do not use in water temperatures outside the range of 0 ~ 40°C, which can lead to failure, electrical leakage or shock.
  • 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 Wire rope or chain handle. Note: On Cabtyre cable handling, see below Electrical Wiring. Backflow Outflow (3) Install the pump in a location with sufficient water...

  • Page 10: Electrical Wiring

    5 ELECTRICAL WIRING Performing electrical wiring WARNING • Eelectrical wiring should be performed by a qualified person in accord with all applicable local 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

    Electrical circuit diagrams Direct on line Ground Circle Thermal Protector Coil 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.

  • Page 12: Test Operation

    Test operation WARNING • Never operate the pump while it is suspended in the air. The recoil may result in injury or other major accident. • Never start the pump when people are standing next to it. An electrical leak can result in electrical shock.

  • Page 13: Motor Protection System

    Operation water level CAUTION Do not operate the pump below the C.W.L. (Continuous Running Water Level). Failure to observe this condition may result in damage to the pump, electrical leakage or electrical shock. The table shows the C.W.L. for different output classes. Be careful not to allow the water level to drop below the applicable limit.

  • Page 14: 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 "9.Troubleshooting" and take corrective measures immediately. It is recommended that a spare pump be kept ready in case of any problems. Prior to inspection WARNING Detach the cabtyre cable from the receptacle or terminals, after making...

  • Page 15: Replacement Parts

    Oil inspection and Oil change WARNING When the pump is tilted for inspecting or changing the oil, pay careful attention to the center of gravity and weight of the pump. When lowering the pump, fasten the wire rope or the chain to the eyebolts providerd for this purpose.

  • Page 16: Disassembly And Reassembly

    8 DISASSEMBLY AND REASSEMBLY WARNING • Before disassembling the pump, first detach the Cabtyre Cable from the receptacle, after making certain the power supply (circuit breaker, etc.) is turned off. To avoid electrical shock, do not work with wet hands. Never check the operation of any parts (impeller rotation, etc.) by turning on the power while the unit is partially assembled.
  • Page 17 Exploded View (KRS2-C6) Packing Suction Cover Packing Plain Washer Hex. Bolt Oil Plug Oil Seal Strainer Shaft Sleeve Impeller Adjusting Washer Plain Washer Impeller Stud Bolt Impeller Thead Protect Cover Bottom Plate Spring Washer Impeller Nut Hex. Nut Note: The above exploded view is for model KRS2-C6. Other models may differ slightly in shape and construction. Reassembly (KRS2-C6) Reassembly can be performed by reversing the steps for disassembly, paying attention to the following precautions.
  • Page 18 Disassembly (KRS1022) Note: Remove the oil prior to disassembly. (1) Removing the Strainer Stand Remove the Hex. Nuts and Spring Washers, then remove the Strainer Stand from the pump. (2) Removing the Suction Cover Remove the Hex. Bolts and Spring Washers, remove the Stud Bolt, then remove the Suction Cover and Packing from the Pump Casing.

  • 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 probrem remains, contact your nearest dealer or Tsurumi representative. Problem Possible causes Countermeasure...

This manual is also suitable for:

Krs2-c6Krs1022Krs2-c3Krs2-a3Krs-43Krs-63 ... Show all

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