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-10-

 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:

Confirm the rated voltage and frequency on the model name plate.

(2) Confirm the wiring, supply voltage, circuit breaker capacity, and motor insulation resis-

tance.

 

 

 

 

Reference insulation resistance = 20MΩ or greater.

Note:

 

The reference insulation resistance (20MΩ or greater) is the value when the pump is new 

or has been repaired. For the reference value after installation, see below at Maintenance 

and Inspection (p.11).

 (3) The setting on the circuit breaker or other overload protector should be made in ac-

cord with the rated current of the pump.

Note:

See the model name plate on the pump for its rated current.

 (4) When powering the pump with a generator, do not share the generator with other 

equipment.

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.

(1) •Model LSC

 

The Pump will not start until the pump casing is wet. When 

doing a test operation or if it is desired to start the pump 

when the remaining water level is low, pour in clean water 

from the hose coupling. Approximately 2.5 liter of priming 

water is required.

 

•Model LSP

 

Remove the priming plug at the top of the pump and pour 

in clean water right up to the top: then replace the priming 

plug and tighten it. Approximately 1.8 liter of priming water 

is required.

 (2) Run the pump for a short time (3 to 10 minutes) and check 

its operation.

1.8

Water

Priming Plug

LSP

CAUTION

  In case of very excessive vibration, unusual noise or odor, turn off the power 

immediately and consult with your nearest dealer or Tsurumi representative. 

Continuing to operate the pump under abnormal conditions may result in 

electrical shock, fire, or electrical leakage.

Operation 

WARNING

  The pump may become very hot during operation. Be careful not to contact 

the pump accidentally to avoid being burned.

Always make sure the pump is primed before starting operation.
If the motor protection system operates due to an overload or malfunction, causing the 

pump to stop, first investigate and remove the cause before restarting.
If LSC is used: After stopping operation, detach the hose from the discharge connector and 

turn the pump upside-down to remove the water inside the pump.

6 OPERATION

CAUTION

  Do not run the pump dry or with shut off condition. This condition may 

damage the pump or cause it to malfunction and may result in electrical 

leakage or electrical shock.

Содержание LSC Series

Страница 1: ...17236733 B 10011 5 OPERATION MANUAL LSC Submersible Residue Dewatering Pump LSP Self Priming Residue Dewatering Pump TSURUMI MANUFACTURING CO LTD ...

Страница 2: ...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 re ferred to whenever information is needed while operating the equipment CONTENTS 1 BE SURE TO READ FOR YOUR SAFETY 1 2 PART NAMES 4 3 PRIOR TO OPERATION 5 4 INSTALLATION 6 5 ELECTRICAL WIRING ...

Страница 3: ... the categories pertain to safety related items and as such must be observed carefully WARNING CAUTION NOTE Explanation of Symbols 1 BE SURE TO READ FOR YOUR SAFETY Do not operate the product under any conditions other than those for which it is speci fied Failure to observe the precaution can lead to electrical leakage electrical shock fire or water leakage etc CAUTION Frequency Voltage PRECAUTIO...

Страница 4: ...lure to do so may lead to a serious accident Do not operate the product under any voltage other than described on the nameplate with the voltage variation limit within 10 If it is operated with a generator it is strongly suggested not to operate other equipment with the same generator Failure to observe this caution may cause malfunction and breakdown of the product which may lead to electrical le...

Страница 5: ...r where it was purchased or Tsurumi representa tive Continuing to operate the product under abnormal condi tions may result in electrical shock fire or water leakage Do not disassemble or repair any parts other than those designated in the operation manual If repairs are necessary in any other than the designated parts consult with the dealer where it was purchased or Tsurumi representa tive Impro...

Страница 6: ...icant Oil casing V Ring Stand Shaft Sleeve Impeller Suction Cover Cabtyre Cable Wear Ring Suction Hose Suction Attachment Hose Coupling Priming Plug Oil Plug Pump Casing Bottom Plate Dischage Connection Mechanical Seal Oil Lifter Lubricant Oil casing V Ring Inlet Check Valve Shaft Sleeve Impeller Suction Cover Air Inlet Strainer Cabtyre Cable 2 PART NAMES ...

Страница 7: ...and Temperature Cleaning Water Water on floor Puddles LSC1 4S Residual water Puddles LSP1 4S 0 40 C Pump Impeller Semi Vortex Type Shaft Seal Double Mechanical Seal Bearing Shielded Ball Bearing Specifications Dry Submersible Induction Motor 2 Pole Insulation Class E Protection System built in Miniature Protector Turbine Oil ISO VG32 non additive Lubricant Connection Hose Coupling Motor Stadard Sp...

Страница 8: ... shown below Maximum allowable water pressure 0 2MPa 2kgf cm2 discharge pressure during use 4 INSTALLATION Preparation for Installation Before installing the pump at a work site you will need to have the following tools and in struments ready AC voltmeter AC ammeter clamp on type Bolt and nut tighteners Power supply connection tools screwdriver or box wrench Note Please read also the instructions ...

Страница 9: ...ome twisted Failure to observe these precautions could cause the rope or chain to break and the pump to fall and break which could lead to personal injury Note On cabtyre cable handling see at electrical Wiring CAUTION Operating the pump when the inlet is blocked with debris will result in excessive noise and vibration which can cause the pump to malfunction leading to electrical leakage and shock...

Страница 10: ...NG Before connecting leads to the terminal strip make certain the power supply is turned off circuit breaker etc to avoid electrical shock shorting or unexpected starting of the pump leading to injury WARNING Before inserting the power supply plug make certain the power supply is turned off circuit breaker etc to avoid electrical shock shorting or unexpected starting of the pump leading to injury ...

Страница 11: ...fire Do not allow the cabtyre cable leads or power supply plug to become wet Make sure the cable does not become excessively bent or twisted and does not rub against a structure in a way that might damage it Power Source Single Phase LSC LSP Red Brown Blue Green Yellow White Green Green White Red Blue Ground Miniature Protector Black Main coil Aux coil Capacitor Motor Protection system The pump is ...

Страница 12: ...est operation or if it is desired to start the pump when the remaining water level is low pour in clean water from the hose coupling Approximately 2 5 liter of priming water is required Model LSP Remove the priming plug at the top of the pump and pour in clean water right up to the top then replace the priming plug and tighten it Approximately 1 8 liter of priming water is required 2 Run the pump ...

Страница 13: ... cause water to reverse its flow or the priming water to flow out NOTE See below on OIL inspection and oil change Changing oil NOTE Specialized know how is required for inspecting and replacing the mechanical seal Consult with your nearest dealer or Tsurumi representative Overhaul NOTE Consult with your nearest dealer or Tsurumi representative regarding overhauls Swing check valve inspection LSC C...

Страница 14: ...t Each time pump is disassembled or inspected When the lip is worn and each time pump is disassembled or inspected When it becomes worn Swing check valve When the shutoff function decreases Prior to Disassembly and Reassembly WARNING Before disassembling the pump first detach the cabtyre cable from the receptacle or terminals after making certain the power supply circuit breaker etc is turned off T...

Страница 15: ...ure that the impeller rotates smoothly and that it does not interfere with the suction cover Disassembly Diagram LSC1 4S 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 b...

Страница 16: ...ng Pump Casing Suction Cover Viewed from Undermeath Inlet Inlet Reassembly can be performed by reversing the steps for dis assembly paying attention to the following points Note Replace the packing each time this operation is per formed Replace any other worm or damaged part as well 1 Mount the V Ring on the Shaft Sleeve as shown in the diagram Do not lubricate the surface where the V Ring contact...

Страница 17: ...alve and or the bottom plate 1 The swing check valve and or the lip on the bottom plate is worn After the pump stops the priming water flows out Problem Possible cause Countermeasure LSC 1 Contact the electric power company or an electrical repair shop to take action 2 Inspect the pump unit and remove the debris 1 No proper power is supplied power outage etc 2 Pump is jammed with debris causing th...

Страница 18: ... product by disassembling it presorting the contents and sending them to the waste material treatment site Remarks Purchase date Manufacturing number Product model The following information is required when ordering repairs or making other inquiries ...

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