The Fuhr 856 is a one piece lever operated locking system with 5 locking points, 2 x roller cams, 2 x round bolts & Deadbolt with a 14mm throw. The lever engages and releases the multiple locking points.
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Replacing the gearbox is cost effective as it saves having to buy a complete new lock and it is quite easily achieved. Backset: 35mm. What should I check before ordering a new door lock gearbox case?.
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The Fuhr 856 Type 2 door lock is a one piece lever operated locking system with 5 locking points (2 roller cams, 2 mushrooms and a Deadbolt). The lever engages and releases the multiple locking points.
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The Fuhr 856 type 1 door lock is a one piece lever operated locking system with 5 locking points (4 - roller cams and a Deadbolt with a full 14mm throw). The lever engages and releases the multiple locking points.
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Only when all locking points are fully engaged can the key be operated to secure the door. When the lock has not been secured by the key, the lever will release the roller cams and shoot bolt locking points.
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FUHR Type 1 856 4 Roller Latch and Deadbolt. FUHR Type 1 4 Roller Latch and Deadbolt MPL Strip. Lock Centre: 92mm. Top Roller 1: 730mm. Top Roller 2: 337mm. Bottom Roller 1: 362mm. Operation: Lever / Lever.
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Latch & Deadbolt. Centre Case - Latch & Deadbolt. Operation - C -Two full turns of the key to lock and then Two full turns of the key to unlock, an extra turn withdraws the latch. Locking Point - Roller - 4.
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With over 40 years of experience in the industry, our team has done it all. In most cases, door lock issues are caused by a faulty gearbox, and swapping it out is a straightforward process requiring only a few screws.
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