Use an allen key to loosen the set screw on the side and remove the door handle use a flat head screwdriver to carefully remove the cover plate which will expose the two phillips screws take a phillips screwdriver to tighten the screw on each side this will secure the handle.
How to tighten industrial door handle.
From there tighten the set screw back into place.
Then unscrew the inside trim ring lefty loosey to expose the screws that hold the whole assembly together.
With other styles the faceplate is threaded and removed by unscrewing counterclockwise.
Use an awl or equivalent tool to depress the button and remove the inside handle.
These screws generally run all the way through the door and secure to the lockset mounting plate on the opposite side.
Determine whether you will need an allen wrench or a screwdriver based on the style of set screw which you will find on the bottom of the door lever.
Tighten em up and put er back together.
Tighten the long screws that secure the lockset s mounting ring to the door.
Tighten internal screws loose door knob or loose door handle in order to tighten the screws in a loose door knob or loose door handle you need to work on removing your loose door knob or loose door handle from the door that it is currently on.
Remove the screw and slip the lever handle off the rod.
If threaded twist on the handle on the shaft until its neatly up against the door.
If unthreaded pop the knob onto the shaft and snug to the door.
Step 2 inspect the rod s surface and locate the groove where the set screw needs to be secured.