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EBARA A25S - User Manual

EBARA A25S
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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

  • P
    padillachristopherAug 26, 2025
    Why does the power LED not come on for my EBARA A25S Water Pump?
    • K
      kayladodsonAug 27, 2025
      If the Power LED does not come on for your EBARA Water Pump, it could be due to no power supply to the pump (check the power supply), the connector not being connected (connect the power connector), or the ELB not being ON (switch ELB ON).
  • R
    russell24Aug 25, 2025
    How to fix abnormal noise and excessive vibration in EBARA A25S Water Pump?
    • K
      Kevin HoltAug 26, 2025
      If you are experiencing Abnormal noise or Excessive vibration with your EBARA Water Pump, it could be due to several reasons. The adjuster foot may not be lowered, so properly set all adjuster feet. The cover might be in contact with other items, so remove objects from the cover. The cover screws could be loose, so tighten the mounting screws. Also, a pump part could be damaged, so replace or overhaul the pump if needed.
  • T
    tmelendezAug 23, 2025
    What to do if I see ALARM: WATER FLOW LOW on my EBARA A25S?
    • K
      Karen OwensAug 23, 2025
      If you see the ALARM: WATER FLOW LOW ##.# on your EBARA Water Pump, it could be due to several reasons: the coupler might be disconnected (connect it), the pressure may not be sufficient (apply sufficient pressure), the source valve could be closed (open the valve), the water piping might be clogged (clean or replace it), there could be leaks in the water piping (check the fittings), the instruments might be in failure (replace instruments), or the inlet/outlet might be reversed (connect correctly).

Summary

Product Description

Installation

Piping

Instructions for connecting vacuum, exhaust, cooling water, and N2 gas piping.

Electrical Wiring

Power Supply Wiring

Details on connecting the main power supply, including receptacle specifications.

Control Signal Wiring and Pin Assignments

Instructions and pin details for control signal connections for remote operation.

Operation Mode

Operation

Maintenance and Overhaul

Spare Parts List

Overhaul

Removal and Transportation

Troubleshooting

Basic Trouble

Table of common abnormal symptoms, check items, and corrective actions.

ALARM

Lists alarm displays, symptoms, check items, and corrective actions.

TRIP

Lists TRIP displays, symptoms, check items, and corrective actions.

TRIP [Options]

Lists TRIP displays for optional features, symptoms, check items, and actions.

EBARA A25S Specifications

General IconGeneral
BrandEBARA
ModelA25S
CategoryWater Pump
LanguageEnglish

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