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EBARA A07V - User Manual

EBARA A07V
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Doc. No. 7313-L4602B Rev. 3B
INSTRUCTION MANUAL
MULTI-STAGE DRY VACUUM PUMP
A70W (A70W-S, A70W-C)
A30W (A30W-S, A30W-C)
A25S (A25S-S)
A10S (A10S-S)
A07V (A07V-S)
Distribute this Instruction Manual to all end user
personnel operating the equipment.
ISSUED BY PRECISION MACHINERY GROUP

Questions and Answers

  • T
    Terri EllisSep 8, 2025
    What should I do if TRIP: PHASE ERROR appears on my EBARA A07V Water Pump?
    • K
      Kelli ShieldsSep 8, 2025
      If you see TRIP: PHASE ERROR on your EBARA Water Pump, it could be due to negative phase (incorrect wiring Wire R/S/T/E correctly), instruments are in failure (replace instruments), or open phase (incorrect wiring Check power supply).
  • P
    Paul GarciaSep 7, 2025
    What does ALARM: SEAL N2 FLOW LOW mean on my EBARA A07V?
    • G
      garrett05Sep 7, 2025
      If you see ALARM: SEAL N2 FLOW LOW or ALARM: DIL. N2 FLOW LOW ##.# (with dilution mode) or ALARM: DIL. N2. VALVE OPEN (without dilution mode) on your EBARA Water Pump, it could be due to N port is not connected 2 (connect N pipe fitting 2), primary pressure is insufficient (apply sufficient pressure), regulator setting low (increase pressure setting), N piping is clogged 2 (replace N piping 2), N piping leaks 2 (check the fittings), instruments are in failure (replace instruments), selector valve is closed *1 (open the valve Set to zero dilution mode”), or selector valve is open *2 (close the valve Set to “standard mode”).
  • R
    Rhonda CamposAug 22, 2025
    Why is the circuit breaker activated on my EBARA A07V?
    • T
      Tammy AguilarAug 22, 2025
      If the circuit breaker is activated (leakage detector is on) for your EBARA Water Pump, this could be due to incorrect wiring, a ground fault, or a short circuit. You should check the wiring. If that's not the cause, the pump may need to be replaced or overhauled.
  • M
    Michelle WhitakerSep 4, 2025
    Why does the BP not start on my EBARA A07V?
    • H
      hernandezginaSep 4, 2025
      If the BP does not start on your EBARA Water Pump, it could be due to leakage on vacuum piping (check piping), MP insufficient vacuum (replace or overhaul), BP start signal is not applied (apply BP start signal), or instrument failure (replace instruments).
  • K
    Kyle StevensonSep 3, 2025
    What does ALARM: BP/MP MOTOR CURRENT HIGH mean on my EBARA A07V?
    • W
      Willie MendozaSep 3, 2025
      If you see ALARM: BP MOTOR CURRENT HIGH##.# or ALARM: MP MOTOR CURRENT HIGH##.# on your EBARA Water Pump, it could be due to exhaust pressure rises (check exhaust piping), rotor is in contact (byproducts) (substance plunge) (cooling water decrease) (gear or bearing damage) (replace or overhaul pump), instruments are in failure (replace instruments), or power supply failure (check power supply).
  • J
    Jeffrey WilliamsSep 1, 2025
    What to do if MP does not start when applying START signal to EBARA A07V Water Pump?
    • K
      Karen MartinezSep 1, 2025
      If the MP does not start when applying a START signal to your EBARA Water Pump, it could be because the mode is set to “Local” (set switch to “Remote” mode), the mode is set to “Alternate” (Pump jogs) (apply “Alternate” start signal Set to “Momentary” mode), or the instruments are in failure (replace instruments).
  • E
    Erica Wade DDSAug 31, 2025
    What causes vacuum pressure increase in EBARA A07V Water Pump?
    • S
      stevensonsherriAug 31, 2025
      If you are experiencing Vacuum pressure increase with your EBARA Water Pump, it could be due to byproducts settled in piping (clean up piping), N pressure setting is high (set pressure for correct value), leakage from vacuum piping (check piping), or byproducts settled in pump (replace or overhaul pump).
  • J
    James MyersAug 30, 2025
    Why won't the MP start when I press the START button on my EBARA Water Pump?
    • C
      Cynthia RamirezAug 30, 2025
      If the MP does not start when pressing the START button on your EBARA Water Pump, it could be because the mode is set to “Remote” (set switch to “Local” mode), start-up conditions are not satisfied (“STARTFAIL” is displayed) (satisfy all start-up conditions), or the instruments are in failure (replace instruments).
  • R
    Robert FordAug 28, 2025
    What should I do if TRIP: CASING TEMP H.HIGH appears on my EBARA A07V?
    • D
      David HuntAug 29, 2025
      If you see TRIP: CASING TEMP H.HIGH on your EBARA Water Pump, it could be due to exhaust pressure rise (check exhaust piping), cooling water decrease (increase water slowly), byproduct clog (replace or overhaul pump), or insufficient duct ventilation (ventilate sufficiently).
  • R
    Ricardo ThomasAug 27, 2025
    What causes ALARM: CASING TEMP HIGH on my EBARA A07V Water Pump?
    • B
      brownmichaelAug 27, 2025
      If you see ALARM: CASING TEMP HIGH ##.# on your EBARA Water Pump, it could be due to exhaust pressure rise (check exhaust piping), insufficient duct ventilation (ventilate sufficiently), a byproduct clog (replace or overhaul pump), or cooling water decrease (increase water slowly).

Summary

Safety Information

DANGER Hazard Level

Defines the highest hazard level: imminent danger.

WARNING Hazard Level

Defines a potentially hazardous situation: risk of death/injury.

CAUTION Hazard Level

Defines a hazardous situation: risk of minor injury or equipment damage.

Important Precautions

General Handling Safety

Safety measures for pump operation and maintenance.

Critical Safety Advice

Critical safety advice to prevent accidents and injuries.

Product Description

Moving the Pump

Installation

Piping

Electrical Wiring

Operation

Pre-Operation Checks

Procedures to follow before initiating pump operation.

On-Site Operation

Operating the pump directly from the pump's control panel.

Maintenance and Overhaul

Pump Removal and Transport

Troubleshooting

Basic Troubleshooting Guide

Identifies common issues and their corrective actions.

Alarm Condition Troubleshooting

Troubleshooting guide for various alarm conditions.

Trip Condition Troubleshooting

Troubleshooting guide for various trip conditions.

Appendix 2 Safety Interlocks

Appendix 4: Leak Check Procedure

EBARA A07V Specifications

General IconGeneral
ModelA07V
CategoryWater Pump
Inlet Size1 inch
Outlet Size1 inch
Voltage220V
Frequency50 Hz

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