FUHR 859 Type 1 Door Lock

FUHR 859 Type 1 Door Lock

  • 25, 30, 35, 45mm back sets available
  • 92mm PZ
  • Reversible latch and deadbolt
  • 4 rollers
  • Variable handle height - supplied at 1020mm
  • Corrosion resistant "Silver" plated surface
  • Profile related locking plates

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Description
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Questions & Answers

FUHR MultiSafe multi-point door locks are renowned for their ease of use, reliability and durability. Profile specific keeps ensure secure fastening to the outer frame.

Split Spindle operation is traditionally used to offer additional security as the external lever does not operate the latch, the traditional method requires the use of two spindles, one to operate the lock and one for the external handle.

FUHR’s 859 series ingenious spilt spindle design only requires one spindle which is “split” allowing the user to determine the lock operation by the handle used. The two part design of the spindle allows Lever / Pad operation only allowing the latch to be released by the key, not the handle. Alternatively a single piece spindle can be used with the lock allowing lever operation from inside and outside.

A traditional multipoint lock, FUHR 859 Types 1 includes 4 locking points plus reversible latch and deadbolt.  Four roller cams with outer sleeves locate in cast keeps on the Type 1.

Throw:

  • 14mm or 20mm deadbolt throw
  • 19mm roller/mushroom travel
What is a Eurogroove?

A Eurogroove is an industry standard feature on most PVCu, aluminium and timber door and window profiles, where the locking devices are fitted.

A Eurogroove is the groove in the profile in which multipoint locks and espagnolettes are fitted. This is always 16mm for PVC, but can be 20mm in Timber.

 

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How do I measure the PZ centre and Backset on a door lock?

Backset

The backset is the dimension from the front of the faceplate to the centre of the handle spindle or cylinder hole.

The most popular backset sizes are 25mm, 30mm, 35mm and 45mm.

The backset dimension is the distance between A and B on the diagram.

 

PZ Centre

The "PZ" or "Centre" is the distance between the centre of the handle spindle and the centre of the round section of the cylinder. 

The PZ Centre dimension is the dimension between C and D on the diagram.

Multipoint locks can have one or two spindle holes (also known as followers) these type of locks will have two measurements, the most popular being 62mm / 92mm.

Most modern locks with one spindle are 92mm centre, however some older locks may be 70mm or 72mm.

 

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How do I change the handing of a FUHR door bolt?

On most FUHR locks, to change the handing you remove the small grub screw on the side of the lock case adjacent to the latch plate with a 2mm allen key.

Remove the latch and turn in it 180º vertically, place it back into the opening and secure the grub screw back in place.

The FUHR 871 and FUHR 881 door locks are supplied handed, this cannot be changed, so please ensure you order the correct handing for the application.

How do I adjust FUHR keeps/strikers?

Hook and keep alignment:

The hook keep should be aligned using the guideline on the hook plate. Ensure the hook engages correctly avoiding friction on which can result in damage to the hook, there should be a 2mm gap between the line on the hook plate and the flat of the hook as shown in the diagram.

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Latch and hook adjustment:

Take care not to over adjust the hook keep as this can damage the keep - do not rotate through 360º.
A screwdriver and a 4mm allen key will be required when adjusting these plates.

 

Roller and mushroom adjustment:

Adjust eccentric compression of roller and mushroom keeps to ensure the optimum compression for the door.
Adjust the compression using a 4mm allen key.

 

How do I replace a FUHR Lockcase?

Step 1 Unscrew and remove the 3 screws as shown in the video

Step 2 Remove the lockcase

Step 3 Clip the replacement lockcase in place

Step 4 Replace the 3 screws

 

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