This Yale YS170 Doormaster lock secures properties overnight while the replacement multipoint lock is acquired.

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Supplied with unique adjustable keep and screws

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Operation: Lift Lever or Split Spindle

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Latch reversal:u00a0Undo the screw in the latch to remove. Reverse, reinsert and replace screw

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Nightlatch reversal:u00a0To reverse nightlatch function first throw locking points and look for a square hole in the side of the case adjacent to the latch.On one side there will be a green coloured part, this is currently the inside of the lock and from this side the handle will withdraw the latch, The side without the green coloured part will only withdraw the latch via the key, Remove the latch and Insert a flat bladed screw driver into the slot, Push in screwdriver and hold down while turning 180 degrees so the green coloured part is now on the opposite side. Its very important to keep the part pushed down during turning or function will not reverse properly. The green coloured part now appears on the opposite side of the case , Replace the latch and function is now reversed.

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