John S Yorktown Hgts , NY March 08, 2021 Lower arm disk melted and stuck on heater, Frigidaire 5304517982 orbital sprayer Removed and replaced, no tools needed. Pull off and snap the new one back in. POOR DESIGN! Frigidaire 5304517982 Orbital Sprayer. 8 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes