Print Print
Alliance iS HPLC Systems User Guide
Contents Contents
Alliance iS HPLC Systems User Guide
Download PDF Download PDF
Pump maintenance procedures

Servicing the pump compartment air filter

Servicing the pump compartment air filter
Topic LCI-USG-0167, Last Updated 05/19/2025

Users or Waters service personnel can replace the pump compartment air filter.

Required tools and materials

  • Mild detergent and water
  • Air filter (if replacing)

To service the air filter:

  1. Open the pump compartment door.
  2. Compress the air filter upward above the frame relief area. Then grasp the filter and slide it to the left.
    Figure 1: Pump compartment air filter
    Air filter frame
    Frame relief area
    Air filter
    Top filter frame rail
    Bottom filter frame rail
  3. Do one of the following:
    • Clean the air filter using a mild detergent and water, and then dry the filter.
    • Discard the old air filter.
  4. Place the air filter into the top and bottom rails in the frame relief area and slide it all the way to the right. Then compress the left-hand side of the air filter and position it behind the air filter frame.
  5. Close the pump compartment door.

Need Help? Connect with a Waters expert. 

Create Support Request

To avoid risk of personal injury and to prevent damage to laboratory equipment, always operate your Waters products in accordance with the applicable operational and safety information, your organization’s standard operating procedures, and local regulations.

Refer to the English version of this page for the latest information.

Back To Top Back To Top