Summary: If your nozzle's spinning teeth feel sluggish, a quick 2-minute maintenance check can often get them back in top shape. Using just a 5/32" Allen wrench, a towel, and some lubricant, firefighters can clean out the dirt and grime that builds up behind the bumper. This simple service step removes carbon buildup, drywall dust, and road grit from the nylon bearing strip, restoring smooth operation with minimal downtime.
When your nozzle’s spinning teeth start dragging or stop moving altogether, it’s usually not a major repair job — it’s just time for a quick clean. Paul Neely, who brings 46 years of experience to the table, shows just how simple it is to service the front end of your nozzle and get it spinning like new again.
Spinning teeth are crucial for effective stream shaping, but over time they can slow down or seize due to buildup. Carbon from fire conditions, drywall dust from overhaul, and general road grit work their way behind the front bumper and into the nylon bearing strip. This grime clogs the movement and leads to drag or sticking.
You don’t need a shop full of tools or a bench vise. Just grab:
A 5/32" Allen wrench
A clean towel or rag
A touch of lubricant (Molykote mentioned in video)
Remove the Front Bumper: Use the Allen wrench to back out the two button-head screws. This lets you pull the entire rubber bumper off the nozzle.
Take Out the Nylon Bearing Strip: Behind the bumper, you’ll find a white nylon strip — this is where most of the debris collects.
Clean Thoroughly: Wipe the nylon strip, the teeth area, and any other visible buildup. Take your time here — getting rid of every bit of dust and grime will make a difference.
Reassemble: Put the clean nylon bearing strip back in place. Reinstall the bumper carefully, making sure not to force it sideways — a balanced fit ensures even tooth rotation.
Tighten the Screws and Test Spin: Once everything is reassembled, give it a spin. If you’ve cleaned and lubed properly, the teeth should move freely again.
Whether you’re in the bay doing equipment checks or back from a dusty fireground, taking a few minutes to service the nozzle can save you frustration on the next job. According to Neely, this entire process takes under 3 minutes once you’ve done it a couple of times. And with 102 different spinning tooth options available through TFT, it’s good to know they’re easy to maintain, too.