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Product Code: ML4120 LIT-DC-ML4120 Page 6 of 13 RECOMMENDED DETAIL FOR ML4120 (AV4) LOCKS • Tooling is now available for ease of machining this detail. Please contact us for more information • NOTE: Leading edge required to avoid keep clash if door swells •...
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Winkhaus AV4 centre keeps (MK48) have alignment markings to help ensure correct alignment of centre keep to lock (ML4120). Please follow the below for correct keep to lock alignment: 1. Align the lower marking on the striker plate of the centre keep to the spindle centre line marking on the lock faceplate.
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Product Code: ML4120 LIT-DC-ML4120 Page 13 of 13 WINKHAUS AV4 – ML4120 & ML580 TROUBLESHOOTING GUIDE Whilst every effort is made to ensure trouble-free operation of the door locking system the table below may help to remedy any issues experienced.
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