BUSCH Zebra - User Manual

Questions and Answers

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debrahornJul 28, 2025
Why is my BUSCH Zebra fuming or expelling oil?
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  Catherine ReyesJul 28, 2025
  If your BUSCH Water Pump is fuming or expelling oil droplets through the gas discharge, it could be due to several reasons. The oil level may be too high, so drain the oil until it reaches the specified level. If you're continuously operating at high suction pressure, consider installing an oil mist separator. The oil mist separator (if equipped) might be clogged, requiring replacement of the filter element. Also, ensure that the oil mist separator is assembled properly; if not, reassemble it correctly.
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carolinesextonAug 2, 2025
What to do if my BUSCH Zebra Water Pump does not start?
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  Pamela AustinAug 2, 2025
  If your BUSCH Water Pump doesn't start, several factors could be at play. It might be due to a low ambient temperature, so ensure the pump is operating within its permitted temperature range. Check that the motor is receiving the correct voltage by verifying the power supply. Solid foreign matter may have entered the machine; if so, remove it, or contact Busch for repair. In some cases, internal parts may be worn or damaged, requiring repair by Busch. The motor or the coupling could also be defective, necessitating replacement.
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Claire GreenAug 8, 2025
Why is my BUSCH Zebra running too hot?
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  Julie WilsonAug 8, 2025
  If your BUSCH Water Pump runs too hot, with the pump surface rising to around 100°C (212°F), several issues could be the cause. You might be operating continuously at too high a suction pressure, so try reducing it. Insufficient cooling could also be a factor; remove any dust and dirt from the machine. Ensure that the ambient temperature is within the permitted range. Check the oil level and top up if it's too low. The oil may not be circulating properly, requiring an overhaul (contact Busch). Lastly, the oil might have deteriorated, in which case you should perform a non-load operation with the vacuum valve closed and the gas ballast valve open, or replace the oil.
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Erin NewmanAug 15, 2025
What to do if my BUSCH Zebra isn't reaching usual pressure?
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  zlynchAug 15, 2025
  If your BUSCH Water Pump is not reaching the usual pressure on the suction connection, there are several potential causes. The oil level might be too low, so top it up. The oil might not be circulating, requiring an overhaul (contact Busch). The oil could also be deteriorated; perform a non-load operation with the vacuum valve closed and gas ballast valve open, or replace the oil. Check if the inlet screen or the optional inlet filter cartridge is partially clogged and clean or replace them, respectively. Verify your measurement method and readings, checking the gauge and final pressure without any installation connected. Look for any leaks in the system and repair them. In some cases, internal parts may be worn or damaged, requiring repair by Busch.
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Daniel HannaAug 21, 2025
Why is my BUSCH Zebra so noisy?
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  Melvin LewisAug 21, 2025
  If your BUSCH Water Pump is running very noisily, several factors could be responsible. A worn coupling might be the cause, so consider replacing it. The oil level could be too low, so top it up. Alternatively, the oil might not be circulating properly, requiring an overhaul (contact Busch). Lastly, internal parts may be worn or damaged, which would require repair by Busch.