HINTS&TIPS • 41
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Measure and cut to fit the existing door. The flexible ‘crop and
mate’ design enables you to simply cut the lock to length and
position gearboxes to match the locks being replaced. When fitting the new lock start by positioning the central
gearbox into the centre aperture, then replace the euro
cylinder and handles.
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6 a
Mark and fit the centre keep of the 3-piece keep and Uni-Packer™ system.
For PVCu doors the preassembled patented Uni-Packer™ allows for fast, easy
and reliable installation.
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Repeat for the bottom hook
gearbox unit and bottom keep
and set level of compression
required. The Yale Doormaster™
Professional is now fitted.
Place the top hook gearbox into position in the top aperture, check the top hook
operates correctly, then mark and place the top keep into position.
LOCKSMITHJOURNAL.CO.UK | MAY/JUN 2019
Sponsored by Mul-T-Lock
For comprehensive installation on the
full range, please refer to the fitting
instructions or visit
www.yale.co.uk