TOSTEM egg (PSDN cylinder Z-1A2-DCDC), overhaul cleaning repair due to malfunction

2023-07-13 Last Modified : 2023-07-13 Kagiya-Morioka-Ben locksmith service

"The upper key gets caught when turning"

It was a detached house that was built about 10 years ago. Malfunction of the upper cylinder. When I checked it, I felt caught. Malfunction due to aging.

The client left the key with me and quickly went shopping. I just met her five minutes ago and she seem to trust me.

Standard Shine Gray cylinder Z-1A2-DCDC.When I disassembled it, it was black as expected. It is rare to see so much dirt in about 10 years.It was fixed by regular cleaning.

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