0558102518 - ESAB Rebel 235ic Drive Roll Retaining Knob

Restore Smooth Wire Feeding on Your Rebel 235ic

Every welder knows that a consistent wire feed is the backbone of a good MIG weld. If your drive rolls aren't secured properly, you're going to face a host of frustrating issues—from slipping wire to erratic arc starts. The ESAB 0558102518 Roller Retaining Knob is the specific replacement part you need if the original knob on your Rebel EMP 235ic has been lost, stripped, or damaged. This isn't just a piece of plastic; it's the lock that holds your entire feed system together.

When you are in the middle of a project, swapping between solid wire for steel and aluminum wire requires changing your drive rolls. It is all too easy to set the retaining knob down and lose track of it in a cluttered shop, or for it to wear out after years of constant tightening and loosening. Without this knob, your drive rolls can drift on the shaft, leading to misalignment with the wire guide. This misalignment causes friction, shavings, and ultimately, the dreaded "birdnest" at the feeder inlet. Installing a fresh 0558102518 knob eliminates this variable, locking the rolls tight against the shoulder of the drive shaft.

Designed for the welder's convenience, this knob features a textured or shaped head that is easy to grip even when wearing welding gloves. You don't need to hunt for a wrench or a screwdriver to secure it; hand-tightening is sufficient to hold the rolls firm. This speed is essential when you need to change setups quickly to meet production deadlines. The material is robust, resistant to the heat and grime typical of a welding environment, ensuring it won't crack or seize up easily.

Don't let a small part compromise the performance of your high-end multi-process machine. Keep your Rebel 235ic running like new by ensuring all feed mechanism parts are present and in good condition. This retaining knob is a small investment that protects the quality of your welds and the efficiency of your work day.