Tsurumi Pump LB-250 Operation Manual
Submersible portable dewatering pump
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- Operation manual (16 pages) ,
- Operation manual (32 pages)
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Summary of Contents for Tsurumi Pump LB-250
- Page 2 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. Adhesion of foreign object to the ground wire to a gas pipe, plug could cause electrical water pipe, lightening rod, or telephone ground wire.
- Page 4 CAUTION doing so will damage the product, which may lead to electrical leakage or electrical shock. Deterioration of the insulation may lead to electrical leakage, electrical shock, or fire. Failure to observe this caution could cause it to malfunction or to operate abnor- mally, which may lead to electri- cal leakage or electrical shock.
- Page 5 Handle Hose Coupling Cabtyre Cable Mechanical Seal Lubricant Oil Lifter V-Ring Shaft Sleeve Oil Casing Rear Liner Oil Plug Impeller Suction Cover Strainer Stand Note: Note:...
- Page 6 CAUTION Max.Head Max.capacity Model Bore Phase Output Starting /min Method 8.8/8.6 0.190 LB-250 Capacitor-Run 0.25 10.4 28.9/28.2 50.2 LBT-250 Direct-on-line 0.25 8.8/8.6 0.190 10.0 28.9/28.2 50.2 11.0/12.0 0.220/0.240 LB-480 Capacitor-Run 0.48 10.4 36.1/39.5 58.1/63.4 LBT-480 Direct-on-line 0.48 11.0/12.0 0.220/0.240 10.0 36.1/39.5...
- Page 7 CAUTION Note: CAUTION WARNING CAUTION Hose Band Hose Discharge Connection Hose Coupling...
- Page 8 Rope CAUTION Note: Backflow Outflow Pump stopped Cap Nut CAUTION Pump model LBZ-480 150mm LBZ-800 200mm...
- Page 9 WARNING WARNING CAUTION WARNING CAUTION CAUTION CAUTION Note: Single Phase L1 L2 Ground L1-Red(Brown) G-Green (Green/Yellow) L2-White(Blue) Three Phase Ground U-Red(Brown) G-Green (Green/Yellow) V-White (Blue or Grey) W-Black(Black)
- Page 10 Note: Non-Automatic Circuit Coil LBT-250 , LBT-480 , LBT-800 Non-Automatic Circuit Circle Thermal Power Supply: Three-Phase LB-250 , LB-480 Protector Red(Brown) Power Supply:Single-Phase Capacitor Red(Brown) Coil Blue White(Blue or Grey) White Heater Black White(Blue) Heater Black Black(Black) White Frame Green(Green/Yellow)
- Page 11 CAUTION Note: Note: Note: WARNING CAUTION WARNING Ground Example: COUNTERMEASURE Interchanging phases V and W Note:...
- Page 12 U V W G Ground COUNTERMEASURE Ground COUNTERMEASURE CAUTION WARNING Note: CAUTION Pump Model C.W.L. (mm) LB-250 LBT-250 LB-480 LBT-480 C.W.L. LB-800 LBT-800...
- Page 13 Check float switch operation Move Float Switch Note: CAUTION Note: In case of forced starting Level Relay Unit Note: Screw driver more than one (1) second The lowest starting level 115mm (LB-250A/480A) 170mm (LB-800A) WARNING CAUTION...
- Page 14 Water Level Relay Unit Pump Condition Level Level Relay [Switch on] The electrodes of the level relay unit are Unit submerged, causing the current to operate the pump. Start Operation Drop (Drainage) Level Relay Unit Electrode (Detection Time : more than one (1) second) As the water level drops and the water surface recedes from the electrodes, the timer trips to drain water.
- Page 15 WARNING Note: Interval Inspection Item Measuring the operating current To be within the rated current Daily Measuring the power voltage Power supply voltage variation = within ±10% of the rated voltage Measuring the insulation resistance Insulation resistance reference value = 1M minimum Monthly [NOTE] The motor must be inspected if the insulation resistance is considerably lower...
- Page 16 Oil Plug Note: Specified Oil: Turbine Oil VG32 (non-additive) Unit : Pump Model Specified Volume 1 5 5 LB-250, LBT-250, LB-250A LB-480, LBT-480, LB-480A, LBZ-480 1 5 5 LB-800, LBT-800, LB-800A, LBZ-800 1 5 5 Replacement condition Part Mechanical Seal When oil in oil compartment becomes milky.
- Page 17 WARNING Pump Casing Oil Casing Packing Oil Plug Suction Cover V-Ring Shaft Sleeve Rear Liner Impeller Strainer Stand Plain Washer Spring Washer Hex. Bolt Hex. Cap Nut...
- Page 18 Note: Motor Side Shaft V-Ring Do not apply Shaft Sleeve oil here...
- Page 19 WARNING Problem Possible cause Countermeasure No proper power is supplied Contact the electric power company or an electrical (i.e. power outage). repair shop. Plug is not inserted. Connect the plug. Open circuit in cabtyre cable or poor Check whether there is an open circuit in the Pump fails to start;...
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