Casement Window Won’t Close or Lock? How to Adjust the Sash on a RELIABILT Window (Easy Fix)

Is your RELIABILT casement window hard to close, misaligned, or not locking properly? In this video, we walk through how to adjust a casement window sash to restore smooth operation and a tight seal. You’ll learn how to locate and adjust the hinge arm pins to correct alignment issues caused by normal wear over time. This simple adjustment can improve locking performance, eliminate gaps, and extend the life of your window. In this video: • Why casement windows go out of alignment • How to adjust the sash hinge arm pins • Tips for small, precise adjustments • How to test for proper sealing and locking This guide is ideal for homeowners, installers, and DIYers looking to fix common casement window problems without replacing the entire unit.