How Do I Replace Tubing on an A2 Peristaltic Pump from Blue-White?

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Introduction

In this guide, you'll learn how to replace the tubing on a Blue-White A2/M2 Peristaltic Metering Pump and perform general maintenance to keep your pump running optimally. Before starting, ensure you have safety glasses, gloves, a degreaser, a rag, a scrub sponge, silicone oil lubricant, high temp grease, and a brush.

Video: The Blue-White Academy - How To Replace The A2 M2 Tubing

Follow along with the video tutorial or click the timestamp next to any step to jump to that point in the video.

Tip: Tap the ▶ Step # to expand or collapse more detailed instructions

Step-by-Step Guide

Step 1: Remove Pump Head Cover

1:00

Remove the four thumb screws by hand from the pump head cover, then remove the cover itself.

Step 2: Remove Bottom Adapter and Tubing

1:15

While the pump head is rotating, gently remove the bottom adapter and follow the pump head's rotation while gently pulling the rest of the tubing out. Stop the pump.

Step 3: Remove Roller Assembly and White Washer

1:22

Remove the roller assembly and the white washer behind it.

Step 4: Clean Pump and Roller Assembly

1:27

Use a degreaser, rag, and scrub sponge to clean the roller assembly, interior of the pump head, motor shaft, and TFD sensor pins. Apply a drop of silicone oil to the end of the rollers to lubricate them, and apply high temp grease directly to the shaft with a brush.

Step 5: Reinstall Back Spacer, Roller Assembly, and New Tubing

2:32

Reinstall the back spacer onto the shaft, then reinstall the roller assembly into the pump head. While the pump is running, insert the tube adapter in the bottom slot of the pump head and carefully follow the roller's motion while inserting the new tubing. Use the tube installation tool to assist with the tube assembly and insert the tube adapter into the top slot of the pump head.

Step 6: Reassemble Pump Head Cover

3:01

Stop the pump, reinstall the pump head cover, and fasten the four screws by hand.

✅Proper maintenance, including cleaning the pump head and roller assembly during each tube replacement, will extend the tube life and reduce maintenance costs.

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