BUSCH DOLPHIN LX 0030 B - User Manual

BUSCH DOLPHIN LX 0030 B

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DOLPHIN

Liquid Ring Vacuum Pumps

LX 0030 B, LX 0055 B,

LX 0110 C, LX 0140 C, LX 0180 C, LX 0260 C, LX 0330 C, LX 0430 C

Instruction Manual

0870152062 | A0003_en-US | Original instructions 4/3/2023

Table of Contents

Questions and Answers

M
Monica SimmonsAug 12, 2025
What to do if my BUSCH DOLPHIN LX 0030 B Water Pump does not start?
- P
  Paul JohnsonAug 12, 2025
  If your BUSCH Water Pump isn't starting, several factors could be at play. First, ensure the motor is receiving the correct voltage by checking the power supply. Another potential issue is corrosion between the rotor and the housing, which can be resolved by applying an anti-corrosion liquid. For extensive damage, contact Busch for repairs. Solid foreign matter might have entered the pump; remove any obstructions and consider installing an inlet screen. In colder conditions, ice might have formed, so carefully warm up the machine to defrost the operating liquid. Lastly, the motor itself might be defective and require replacement.
T
Tyler HernandezAug 19, 2025
Why does my BUSCH DOLPHIN LX 0030 B Water Pump run too hot?
- T
  Timothy GallagherSep 12, 2025
  If your BUSCH Water Pump runs too hot, start by ensuring sufficient air ventilation. Clear any dust or dirt from the fan cowling, fan, ventilation grill, and motor cooling fins. Also, check that the ambient and process gas temperatures are within permitted limits, referring to the Technical Data. If gas transfer is insufficient, introduce an inert gas or air via the anti-cavitation connection. Finally, inspect the suction, discharge, and pressure lines for any partial blockages and remove them.
J
Jennifer DavidsonAug 27, 2025
What to do if my BUSCH DOLPHIN LX 0030 B Water Pump does not reach the usual pressure?
- L
  Lisa WillisAug 27, 2025
  If your BUSCH Water Pump isn't reaching its usual suction pressure, several factors could be responsible. Start by checking the suction and discharge lines; if they're too long or the diameter is too small, replace them with larger diameter or shorter lines. Also, the operating liquid might be too warm or insufficient; reduce its temperature or adjust the flow. Inspect for partial clogging in the suction, discharge, or pressure lines and remove any blockages. If an inlet screen is installed, ensure it's clean. Note that a leaking mechanical seal or worn internal parts may require professional repair by contacting Busch.
A
Andrea NelsonSep 3, 2025
Why is my BUSCH DOLPHIN LX 0030 B running very noisily?
- J
  Jill GarciaSep 3, 2025
  If your BUSCH Water Pump is running noisily or rattling, first check the operating liquid level and adjust the regulating valves to drain the pump down to the center line if it's too high. Also, verify the density and viscosity of the operating liquid; if they're too high, consider a different operating liquid or a stronger drive motor. Ensure the machine is running in the correct direction by checking the wiring diagram for the three-phase motor. Note that defective bearings require professional repair by contacting Busch. Finally, consult the chapter on preventing cavitation if the vacuum pump is cavitating.

BUSCH DOLPHIN LX 0030 B Specifications

General

Model	LX 0030 B
Motor Power	1.1 kW
Motor Rating	1.1 kW
Gas Inlet	G1 ½
Gas Outlet	G1 ½

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