How to Fix Crank Out Windows in Commercial Buildings
- michaelfox0
- Aug 30, 2024
- 3 min read
Crank out windows, or casement windows, are commonly used in commercial buildings due to their durability and efficient ventilation. However, they can encounter problems over time. This guide will help you understand how to fix crank out windows in commercial settings, ensuring they remain functional and secure.
Common Issues with Crank Out Windows:
Difficulty in Opening or Closing
Broken or Worn Out Operator
Stuck or Jammed Window
Misaligned Window Sashes
Weatherstripping Problems
Tools and Materials Needed:
Screwdrivers (Phillips and flat-head)
Lubricant
Replacement parts (crank handles, gears, etc.)
Cleaning supplies (cloth, mild detergent)
Utility knife
Measuring tape
How to Fix Crank Out Windows
1. Difficulty in Opening or Closing
Cause: Accumulation of dirt, rust, or lack of lubrication.
Solution: Clean and lubricate – open the window fully. Use a mild detergent and a cloth to clean the tracks and moving parts. Once clean, apply a lubricant to the window operator and the tracks. Open and close the window several times to distribute the lubricant evenly.

2. Broken or Worn Out Operator
Cause: Wear and tear over time.
Solution: Inspect the crank handle – remove the crank handle by unscrewing it. Check for visible damage or wear. If damaged, replace it with a new handle. Replace the operator – if the problem persists after changing the handle, the window operator might be worn out. Remove the window cover to access the operator. Unscrew the old operator and replace it with a new one. Reassemble the window and test it.

3. Stuck or Jammed Window
Cause: Debris in the track or warped window frame.
Solution: Clear debris – check the window track for debris. Use a brush or vacuum to remove any obstruction. Clean the track with a cloth and mild detergent. Check for Warping – If the frame is warped, it might need professional adjustment or replacement. However, you can try to realign it by loosening the screws holding the frame, adjusting it to the correct position, and then tightening the screws.

4. Misaligned Window Sashes
Cause: Shifting of the window frame or sashes.
Solution: Adjust the sashes – open the window and locate the screws that hold the sashes in place. Loosen them slightly and adjust the sashes to align properly. Tighten the screws once the sashes are correctly aligned.

5. Weatherstripping Problems
Cause: Worn or damaged weatherstripping.
Solution: Replace weatherstripping – remove the old weatherstripping using a utility knife. Measure the length needed for replacement and cut new weatherstripping to size. Press the new stripping into place, ensuring it seals the window properly.

Preventative Maintenance Tips
Regular Cleaning:
Keep the tracks and crank mechanism clean to prevent dirt buildup.
Lubrication:
Periodically lubricate moving parts to ensure smooth operation.
Inspect for Damage:
Regularly check for signs of wear and tear and schedule professional inspections promptly to avoid major repairs.
Conclusion
Crank out windows are an excellent choice for commercial buildings, offering both functionality and durability. Regular maintenance and timely repairs can keep them operating smoothly, ensuring your building remains comfortable and efficient.
If you encounter a problem that seems beyond your ability to fix, don’t hesitate to seek professional help to ensure your windows remain in top condition. For more information on commercial crank out windows or to schedule a consultation for repair, Contact Window Repair Systems! Our team looks forward to hearing from you.




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