1. Product Overview
The Tsurumi Pump LB-800 is a 1 HP, 115V submersible dewatering pump designed for efficient water removal in various applications. Its slimline design allows it to fit into 8-inch caissons, offering versatility. Constructed with high-quality materials like a urethane impeller and dual Silicon Carbide mechanical seal faces, it ensures durability and reliability. The top discharge design enhances motor cooling, enabling continuous operation even at low water levels and providing extended dry-run capability.
Figure 1: Tsurumi Pump LB-800 Submersible Dewatering Pump.
2. Setup and Installation
Before installation, ensure the pump is placed on a stable, level surface. The LB-800's slimline design is specifically engineered to fit into 8-inch caisson pipes, making it suitable for confined spaces. Connect the 50ft power cord to a compatible 115V power source. Always refer to the official Installation Manual (PDF) for detailed instructions and safety precautions.
Figure 2: The slimline design of the LB-800 allows for easy placement in narrow spaces like caissons.
3. Operating Instructions
The Tsurumi LB-800 pump is designed for straightforward operation. Once properly installed and connected to power, the pump will activate upon power supply. Its top discharge design ensures maximum motor cooling efficiency, allowing for continuous duty operation even when water levels are low. The pump also features extended dry-run capability, reducing the risk of damage if water supply temporarily ceases.
3.1 Performance Characteristics
The LB-800 pump delivers a maximum flow rate of 82 Gallons Per Minute (GPM) and can achieve a maximum lifting height of 59 feet. Refer to the performance curve below for detailed flow rate versus total head characteristics.
Figure 3: Performance curve for the Tsurumi LB-800 pump, illustrating capacity (gal/min) versus total head (ft).
3.2 Typical Applications
This pump is ideal for various dewatering tasks, including construction site dewatering, general dewatering, and pond applications. Its robust construction ensures reliable performance in demanding environments.
Figure 4: The LB-800 pump in typical dewatering applications, including construction sites and general flood areas.
Figure 5: The LB-800 pump effectively dewatering a pond, demonstrating its versatility.
3.3 Product Features
Key features contributing to the pump's performance and longevity:
- Top Discharge: Flow-through design provides motor cooling for continuous operation at low water levels and extended dry-run capability.
- Durable Materials: Features a polyurethane impeller and Silicon Carbide Mechanical seal faces for prolonged use in harsh settings.
- Slimline Design: Engineered to fit in an 8-inch pipe, enhancing versatility.
Figure 6: Visual representation of the LB-800's key features: Top Discharge, Durable Materials, and Slimline Design.
3.4 Official Product Video
Video 1: "Tsurumi Pump, Built for Work" - An overview of Tsurumi Pump's commitment to reliable pumping solutions and their applications in various industries.
4. Maintenance
Regular maintenance is crucial for ensuring the longevity and optimal performance of your Tsurumi LB-800 pump. Key maintenance tasks include:
- Oil Changes: Periodically change the oil as specified in the user manual to ensure proper lubrication of internal components.
- Impeller and Seal Inspection: Regularly inspect the urethane impeller and Silicon Carbide mechanical seal faces for wear or damage. Replace components as necessary.
- Cleaning: Keep the pump's exterior and intake free from debris to prevent clogging and maintain efficient operation.
- Storage: If storing the pump for an extended period, ensure it is clean, dry, and stored in a protected environment.
For detailed maintenance schedules and procedures, please consult the official User Manual (PDF).
5. Troubleshooting
This section provides general guidance for common issues. For comprehensive troubleshooting, refer to the official user manual.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power, tripped circuit breaker, motor issue. | Check power connection, reset breaker, consult professional if motor is faulty. |
| Reduced flow rate | Clogged intake, worn impeller, discharge hose kinked. | Clear intake, inspect/replace impeller, straighten hose. |
| Pump runs but no water | Air lock, insufficient water level, clogged intake. | Reposition pump, ensure adequate water, clear intake. |
6. Product Specifications
| Specification | Value |
|---|---|
| Brand | Tsurumi Pump |
| Model Number | LB-800 |
| Power Source | Corded Electric |
| Voltage | 115 Volts |
| Horsepower | 1 HP |
| Discharge Size | 2 inches |
| Maximum Flow Rate | 82 Gallons Per Minute |
| Maximum Lifting Height | 59 Feet |
| Item Weight | 29 Pounds |
| Product Dimensions | 17"L x 10"W x 9"H |
| Material | Aluminum |
| Color | Blue |
7. Warranty and Support
The Tsurumi LB-800 pump comes with a 2-YEAR WARRANTY. For any questions, concerns, or technical assistance, please contact Tsurumi (America), Inc. directly. Additional resources, including the full user manual and installation guide, are available for download: