How to deal with exhaust filter clogged with foreign matter in BUSCH Water Pump?
The saturation of the exhaust filter with operating fluid is normal and doesn't impair its function. If the exhaust filter is clogged with foreign matter, replace the exhaust filter.
What to do if BUSCH RB 0021 C does not start?
If your BUSCH Water Pump isn't starting, first ensure the drive motor is receiving the correct voltage. Check if the drive motor starter overload protection is appropriately set, adjusting if necessary, especially in high ambient temperatures. Inspect the fuses and replace any that have blown. If it's an alternating current motor version, contact Busch service to repair the drive motor capacitor if it's defective. Ensure the connection cable is adequately sized to prevent voltage drops. If the pump or motor is blocked, disconnect it from power, remove the fan cover, and try turning the motor by hand. If the pump is blocked, contact Busch service for repair. For a defective drive motor, contact Busch service to replace it.
Why is my BUSCH RB 0021 C running very hot?
If your BUSCH Water Pump is running very hot, ensure there is sufficient air ventilation around the unit. Clean the fan cowling, fan wheel, ventilation grille, and cooling fins. If the pump is in a narrow space, ensure adequate ventilation. For pumps with an oil cooler, clean the spaces in the finned tube. Make sure the ambient and inlet gas temperatures are within permitted ranges. Replace a partially clogged exhaust filter. Top up the operating fluid if the level is low. Ensure the mains frequency and voltage are within the tolerance range, providing a more stable power supply if needed. Remove any cloggings from filters, screens, suction, discharge, or pressure lines. If the suction, discharge, or pressure line is too long with a small diameter, use a larger diameter.
How to troubleshoot if BUSCH RB 0021 C does not reach the usual pressure?
If your BUSCH Water Pump isn't reaching its usual pressure, start by checking hose and pipe connections for leaks. It's also common for contaminated operating fluid to be the cause, so consider changing it. Ensure there's enough operating fluid in the reservoir and that the exhaust filter isn't clogged, replacing them if necessary. Clean the screen on the suction connection, and if you have a filter installed there, clean or replace that too. Clear any blockages in the suction, discharge, or pressure lines, and if these lines are too long or narrow, replace them with larger diameter ones. Finally, check the inlet non-return valve for blockages and clean if needed. For issues with the oil tubing, shaft seal, vanes, radial clearance, or internal parts, contact Busch service for repair.
Why is the oil in my BUSCH Water Pump black?
If the oil in your BUSCH Water Pump is black, the oil change intervals may be too long. In this case, contact Busch to flush the machine. You can also replace the inlet filter or refer to the troubleshooting steps for a machine that runs too hot.
What to do if BUSCH Water Pump has abnormal oil consumption?
If your BUSCH Water Pump has abnormal oil consumption, it could be due to oil leaks. If that's the case, contact Busch to replace the seals. Also, contact Busch to check the float valve and the oil return line, repairing it if necessary. Ensure that the machine operates under vacuum.
How to fix a BUSCH Water Pump that does not start?
If your BUSCH Water Pump does not start, check the power supply. If that's not the issue, replace the motor or the coupling (CPL).
Why is my BUSCH RB 0021 C Water Pump fuming or expelling oil?
If your BUSCH Water Pump is fuming or expelling oil, the exhaust filters (EF) may be partially clogged, so replace them. Also, ensure the correct position of the exhaust filters (EF) and the o-rings. Check the float valve and the oil pipe for clogging and remove any blockages. Regularly shut down the machine for short periods.
Why is my BUSCH Water Pump machine not reaching usual pressure?
If your BUSCH Water Pump isn't reaching the usual pressure, the oil level might be too low, so top up the oil. Also, clean the inlet screen (IS) and replace the inlet filter cartridge. If problems persist, contact Busch to repair the machine.
What to do if my BUSCH RB 0021 C Water Pump is running too hot?
If your BUSCH Water Pump is running too hot, it may be due to insufficient cooling. Remove any dust and dirt from the machine. Also, check the cooling fan, top up the oil, and replace the exhaust filters (EF).
General| Brand | BUSCH |
|---|---|
| Model | RB 0021 C |
| Category | Water Pump |
| Language | English |
Explains the meaning of DANGER, WARNING, CAUTION, NOTICE, and NOTE tags for hazard communication.
Identifies key components of the vacuum pump using labels and a diagram.
Clarifies terminology and notes potential variations in illustrations compared to the actual machine.
Describes the rotary vane mechanism, oil functions, and exhaust filters.
Details intended use, permitted gases, and operating time limits for different versions.
Describes optional accessories like gas ballast valve, inlet filter, and filter pressure gauge.
Advises on safe handling during transport, including warnings about suspended loads and tilting with oil.
Provides instructions for storing the machine, including sealing apertures and conditions for long-term storage.
Specifies environmental and space requirements for proper installation and operation, including ventilation and orientation.
Details requirements for suction and discharge connections, including stress-free joints and line sizing.
Advises on preventing foreign objects or liquids from entering the suction connection.
Covers discharge gas safety, ventilation, and preventing liquid backflow.
Provides step-by-step instructions for filling the machine with the correct type and amount of oil.
Outlines safety precautions and requirements for electrical connections, including qualified personnel and protective earth.
Shows the wiring diagram and color coding for single-phase motor connections.
Illustrates wiring diagrams for three-phase motors in Delta and Star connections.
Emphasizes filling with oil before commissioning and lists safety precautions regarding hot surfaces and noise.
Explains specific operation for versions with an oil return valve, including shutdown procedures.
Outlines the procedure for conveying condensable vapours, requiring agreement with Busch.
Covers safety warnings for contaminated machines, hot surfaces, cleaning, and general maintenance practices.
Presents a schedule for maintenance tasks based on normal and harsh operating conditions.
Details the procedure for checking the oil level using the sight glass and filling if necessary.
Provides instructions and warnings for changing the machine's oil.
Explains the procedure for replacing the exhaust filter, including necessary tools and parts.
Addresses decontamination requirements for machines that conveyed hazardous materials and recommends professional assembly.
Lists steps for shutting down, venting, and disconnecting lines before decommissioning.
Outlines procedures for draining oil, removing filters, and proper disposal of the machine and waste.
Lists essential spare part kits like service, gasket, and overhaul kits with their part numbers.
Provides a table listing common problems, their possible causes, and recommended remedies.
Continues the troubleshooting table, covering issues like overheating, fumes, oil consumption, and emulsified oil.
Lists technical specifications for RB 0021 C and RC 0021 C models, including pumping speed, pressure, and motor data.
Details recommended oil types (VM, VSA, VSB) and their packaging part numbers.
Lists applicable EU directives and standards under which the machine was manufactured.
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