Drawer push, tight, see both sides of the rail on the oil (or Vaseline) It's sticky, anyway. What's the problem?
Then put the oil on the clean, new oil and then painted on it, in addition, if it is very tight, in addition to guide oil problems, and related to the decoration installation size is not parallel to both sides, is not outside the width are the same, have a relationship.
In short, if it is not squeezed, it does not matter whether there is oil or not in the case of frequent use. Even if there is no oil, the drawer can be pulled back and forth.
If it is old, it is likely that the drawer on both sides of the board (cabinet side) deformation, or deformation of the drawer itself; if it is new, it means the box drawer and cupboard is not matched in size, not a little drawer, the cabinet is a little small box no play drawer guide.
