There are holes on your sliding glass door that conceal the adjusting screws to these rollers.
Sliding door lock adjustment.
Your pella sliding door has a built in latching mechanism that extends into the lock strike when you place the latch in the locked position.
How to adjust sliding glass door rollers for a smoother ride.
This video will show you how to properly adjust the lock and handle on your milgard sliding glass door.
If a patio door is difficult to operate won t lock properly or is loose or drafty make adjustments to the roller latch or strike to fix the issue.
Download instructions for more information.
How to adjust a pella sliding door latch.
Using your phillip s screwdriver you need to back out the adjustment screw and the screws located above and below the adjustment screw.
On my door the holes had plastic plugs in them.
Now you will be able to move the strike plate up and down.