How to Change the Coolant on Flygt Mid-range Pumps: P & S Installation

This is an informational video on how to change the coolant on wet-installed (P-installation and S-installation) Flygt mid-range pumps (models 3153, 3171, 3202, 3301 and 3315). This video is intended as a general reference for technical personnel tasked with maintaining pump performance and ensuring the work is done safely and effectively. This video is NOT intended to serve as a step-by-step, fail-safe checklist. Projects vary and may require additional steps provided for in the Manual not included in this video.

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Disclaimer Warning:

Carefully review the product specific Installation, Operation and Maintenance manual (“Manual”) before tampering with the product in any way.

All user safety rules and instructions contained in the Manual, as well as any other applicable safety rules, must be observed.

This video is provided as general reference only, as a complement to the Manual, and cannot be relied upon as a substitute for professional advice.

Failure to follow all instructions in the Manual may void the manufacturer's warranty.

If there is a question or any uncertainty regarding the intended use or maintenance of the equipment, contact a Xylem representative before proceeding.

Xylem cannot be held responsible for any actions or inactions undertaken as a result hereof.


00:00-00:37 Introduction & Safety
00:37-01:03 Lifting the Pump
01:03-01:53 Depressurize the Pump
01:53-02:23 Remove the Pump Housing
02:23-03:34 Fit Lifting Eyes and Slings
03:34-03:52 Turn the Pump Horizontally
03:52-04:49 Empty the Coolant
04:49-05:29 Turn Pump Vertically and Remove Lifting Eyes
05:29-05:44 Replace the O-ring
05:44-06:08 Replace the Pump Housing
06:08-07:16 Refill Coolant and Mount Coolant Plugs

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