This document describes the Becker U 4.70, a vacuum pump designed for various industrial applications. The manual provides comprehensive instructions for operation, maintenance, and safety, catering to a global audience with multiple language options.
Function Description
The Becker U 4.70 is a robust and reliable vacuum pump primarily used for generating vacuum or pressure in industrial processes. It operates by drawing air or gas from a system, creating a vacuum, or by compressing air to generate pressure. The device is designed for continuous operation and is suitable for applications requiring consistent performance. The pump's design allows for easy integration into existing systems and offers features for monitoring its operational status. It can be configured for either vacuum or pressure operation, indicated by the "MAX. VACUUM" and "MAX. V" (for pressure) labels on the control panel. The pump is equipped with a motor that drives the internal mechanism to achieve the desired vacuum or pressure levels.
Important Technical Specifications
The technical specifications of the Becker U 4.70 are detailed on the device's rating plates and in the manual.
- Dimensions and Weight: The pump weighs 64.5 kg (142.2 lbs).
- Operating Environment:
- Temperature: The ambient operating temperature range is > 5°C (41°F) to < 40°C (104°F).
- Humidity: The maximum relative humidity for operation is 90%.
- Altitude: The maximum operating altitude is 800m.
- Noise Levels (LPA):
- At 50Hz: 67 dB(A)
- At 60Hz: 68.5 dB(A)
- Measurement uncertainty (KPA): 3 dB(A)
- Motor Specifications: The pump is available in both 50Hz and 60Hz configurations, with varying voltage and current ratings. For example, a 50Hz motor might have a power requirement of XX kW and operate at XXX-XXX/XXX-XXX V (star/delta connection), with a current of XX-XX/XX-XX A and a speed of XXXX-XXXX rpm. Similar specifications apply to the 60Hz version. The motor also includes a power factor (cos φ) ranging from 0.XX-0.XX.
- Inlet Capacity: The inlet capacity is measured in m³/h.
- Max. Vacuum: The maximum vacuum achievable is indicated in mbar.
- Oil Type and Volume: The pump requires Becker Lube M/S/SL 100 oil, with a volume of 2.0 liters. Specific part numbers are provided for different oil types:
- Becker Lube M 100 (Mineral oil): No.: 96000900000
- Becker Lube S 100 (Synthetic oil): No.: 96001600100
- Becker Lube SL 100 Food: No.: 96002300100
- Optional Monitoring: The pump can be equipped with a Pt 100 temperature sensor (No.: 94340190000-230V, 94340190200-24VDC, 94340190100-115V) for monitoring internal temperatures, ensuring optimal operation and preventing overheating.
- Safety Standards: The device complies with the Machinery Directive 2006/42/EG and is certified under DIN EN ISO 9001 and DIN EN ISO 14001.
Usage Features
The Becker U 4.70 is designed for user-friendly operation with clear indicators and controls.
- Start-up and Shutdown: The pump features an ON/OFF switch for straightforward control.
- Vacuum/Pressure Monitoring: The control panel displays the maximum vacuum or pressure achieved, allowing operators to monitor performance.
- Oil Level Indicator: A visible oil level indicator (MAX/MIN) ensures that the oil level is always within the recommended range.
- Air Filtration: The pump incorporates an air filter to protect internal components from dust and debris, ensuring longevity and consistent performance. The manual illustrates how to check and clean the air filter.
- Connection Options: The pump offers various electrical connection options, including PTC (Positive Temperature Coefficient) and Bi-metal thermal protection for the motor, ensuring electrical safety and preventing motor damage from overheating.
- Installation Guidelines: The manual provides guidelines for proper installation, including minimum clearance requirements (A > 100mm or 4") for adequate airflow and cooling. It also specifies the diameter of the inlet/outlet pipes, such as ø1¼" for distances less than 2m and ø1½" for distances between 2m and 10m.
- Condensate Management: The manual illustrates how to drain condensate from the system, which is crucial for maintaining performance and preventing corrosion, especially in humid environments. The graph shows the relationship between absolute pressure (Pabs) and the volume of condensate (V).
- Safety Information: The manual prominently displays safety symbols, including warnings for electrical hazards, hot surfaces, and general caution, emphasizing the importance of following safety procedures during operation and maintenance.
Maintenance Features
Regular maintenance is crucial for the longevity and optimal performance of the Becker U 4.70. The manual outlines a detailed maintenance schedule and procedures.
- Oil Change:
- Frequency: The oil should be changed every 40 hours of operation.
- Procedure: The manual illustrates the process of draining old oil and refilling with new Becker Lube M/S/SL 100 oil. It also shows how to check the oil level using the dipstick.
- Filter Maintenance:
- Air Filter: The air filter should be checked regularly and cleaned or replaced as needed. The manual shows how to remove and inspect the filter.
- Oil Filter (Pos. 83): The oil filter should be replaced at specific intervals. The part number for the oil filter is No.: 96541600000.
- General Cleaning: The pump should be kept clean, and the manual provides instructions for cleaning the exterior and internal components.
- Service Intervals: The manual specifies different service intervals for various components:
- 100 hours
- 1,000 hours
- 2,000 hours (minimum twice a year)
- 5,000 hours for specific components.
- Component Replacement: The manual provides part numbers for common replacement parts:
- Oil filter (Pos. 83): No.: 96541600000
- Filter element (Pos. 101): No.: 506000 26200
- Filter element (Pos. 77): No.: 007001 26200
- Troubleshooting: The manual includes information on common issues and how to address them, such as checking for leaks or blockages.
- Professional Service: For complex issues or major overhauls, the manual recommends contacting Becker service. Contact information for Becker GmbH is provided, including address, phone, fax, and email.
The Becker U 4.70 is a versatile and robust vacuum pump designed for industrial use, offering reliable performance, comprehensive safety features, and a clear maintenance schedule to ensure long-term operation.
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