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If in doubt about anything in these guidelines please contact P C Henderson's Technical Sales
Team on 0191 3774116 or email firstname.lastname@example.org
Keep bottom rails or channels clear of obstruction.
At least once a year inspect running gear and fittings for free operation.
Inspect all fixings and screws and bolts, including those securing brackets and top guide/track, ensure that all are tight.
Persistent problems, especially with the hinge fixing screws, are ususally an indication that leaf widths or hinge centre distances are incorrect.