Universal Hardware UH4031/UH4032/UH4033 Heavy Duty Door Closer Parallel Mount Install Instructions

[@mikedejianne1770]

Thank you

[@justarandomperson1769]

Why must the pinion be rotated 45 degrees towards the hinge side of the door before attaching the main arm?

[@UniversalHardware]

Hello. Rotating the pinion 45-degree toward the hinge side allows the main arm to sit parallel with the door.