Give the screw a clockwise turn and test to see whether the door slides easier.
True sliding door adjustment.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
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This video details how to adjust the tension on a refrigerator or freezer door.
Clean the sliding glass door track standard sliding glass doors all have tracks.
The track acts as a guide for.
Clean the sliding glass door track step 1.
It also goes over what protective measures to take and what tools to use.
If the door becomes even harder to open turn the screw in the opposite direction.