July 2022

PR.PG701 Cylinder disassembly, cleaning and repair

``I would like to inspect the key so it won't do it.'' The lower PG713 cylinder of the PG701 thin push-pull grip handle type is defective. As per the information, it is not possible to insert even half of it into the lower cylinder. This type is a common symptom. Here is the disassembly, cleaning and repair […]