Part Number 837 Adjustable Oak Threshold For Hurd Clad & Wood In swing Patio Doors. Built 1988 thru 1994Thresholds will not fit tight end to end as there needs to be a small gap on both sides for water weep purposes. - Old weep system threshold.Size:2-6 Size = Threshold is 27 7/8 Inch Long2-8 Size = Threshold is 29 7/8 Inch Long3-0 Size = Threshold is 33 7/8 Inch Long INSTRUCTIONS FOR P#837 To remove old threshold: Use a #3 Philips bit on your drill - to unscrew the screws on the top of the old oak threshold all the way. Once screws are completely removed the old threshold will pull up. There are T nuts in a T track underneath the threshold that the screws screw into. You can reuse the old T nuts or replace the T nuts in the T track with the new T nuts provided with the new threshold To replace the T nuts – you will remove the old T nuts by sliding them out of the track – there should be a space at one of the ends of the track for you to do this. Take new T nuts and slide them into the track through the same space at one of the ends of the T track. Replace with new threshold by aligning the T nuts to the screws in the threshold. Screw in all screws into the T nuts below – be careful not to over tighten – and the screws are used to adjust the threshold as well. Adjusting the Threshold: Once the threshold is installed and all screws are screwed into the T nuts - the threshold can be adjusted by tightening or loosening the screws. Tightening screws to lower the threshold or loosening the screws to it rise up. Known Part Number: 203516, 203515, 203514, HHPD43
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