The Andersen® 100 Series gliding window uses rollers to open and close. Adjusting the gliding window sash's rollers will keep the window working smoothly and may also resolve any operational issues.
Adjust Window Sashes on Andersen® 100 Series Gliding Windows
For information about how to adjust the rollers on your 100 Series gliding window's active window sash, the window that opens first, follow the instructions below.

Bottom of Window Sash's Roller Assembly Location
This Article Will Help You:
- Adjust the rollers on 100 Series gliding windows.
Safety Warning
Tools and Supplies Needed
- Safety glasses
- Flat blade screwdriver
- Gloves
Let's Get Started
Adjust the Rollers
To adjust the rollers, you will have to remove the active window sash from the frame to see the rollers on the bottom of the window sash.
- To remove the active window sash, follow steps one (1) through three (3) on Page 1 and Page 2 in the Sash and/or Roller Replacement Guide for Andersen® 100 Series Gliding Windows (9000598).

- To adjust the rollers, follow steps one (1) through two (2) at the bottom of Page 2, in the guide above.
- Reinstall the window sash by following the window removal steps in reverse.
There are two adjustment options, low and high, as seen in the images below.
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100 Series Roller Set to Low
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100 Series Roller Set to High
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Need Parts?
There are two (2) roller assemblies located on the bottom of each active window sash. A replacement roller assembly
can be purchased online from the Andersen Parts Store.
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