U-Shin Showa Sliding Door Lock KHW Readjustment

"The key is loose and difficult to lock." This is a request for inspection.

The site is a detached rental property that moved in three months ago.He said that he was frustrated because he couldn't get the key even though he paid for the key exchange.

When I checked the movement, it was working without any problems.For the time being, I will check it while disassembling it.

As is often the case, the cause is a gap between the door stile and the vertical frame due to foreign matter.When I check it, it looks like a small piece of paper is sandwiched between them.I didn't care what it was at that time.

The foreign matter is removed and the position of the sliding door lock is adjusted, but it cannot be adjusted to the center within a few millimeters.However, it seems that it can be unlocked and locked without stress as it is.

There was also distortion in the vertical frame, so adjust that part in parallel.

I checked the operation several times, but the operation is still unstable.No matter how many times I try, it's not stable.

The position of the centering is adjusted by a few millimeters, but it cannot be adjusted any more because there is no adjustment white.

After all, I decided to rework the mounting holes and widened the opening by 2 mm with an electric file.As a result, the lock and unlock could be performed stably, and the stress disappeared. (I regret that it was quick to do this from the beginning without being bothered.)

Although it was done by another company, it can only be considered that the adjustment was made by sandwiching the small piece of paper.The person would have done so with a bittersweet measure, adjusting.It's probably a problem with jigs and tools.