Back-To-Basics: Squeeze-Type Resistance Spot Welder Maintenance

I-CAR · April 17, 2026

Summary

This article emphasizes the importance of regular maintenance for squeeze-type resistance spot welders (STRSW) to ensure proper functionality and weld quality. It details key areas of inspection and upkeep, including electrode tips, arm contact points, and coolant levels.

What to do on the job

Inspect electrode tips for wear, clean arm contact points, and check coolant levels before each use of a squeeze-type resistance spot welder.

How to use it

This document can be used to support line items for welder setup, tip replacement, and equipment maintenance on estimates. It establishes that maintaining electrode tips and clean arm contacts is a technical necessity for achieving quality structural welds, defending against insurers who may dismiss these preparation steps as non-essential.

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