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Installing centre opening sliding doors

Once you have received your doors from Seconline they will come into individual boxes and they will have fragile tape around the outer perimeter. Using a sharp Stanley knife or similar type of knife cut around the outer edge using the fragile tape as a guide, then lift the top piece of cardboard out to expose your door. Carefully peel back additional cardboard and lift the door out of its packaging.

Establish which is the active and which is the non-active. Lift the doors up into the top track and then using your fingers lift the rollers up onto the bottom track. Do this for both doors and roll back and forth to establish free and easy movement. Inside at the backs of the doors are the adjustment screws for the rollers. Using a Phillips head screwdriver adjust the bottom rollers so as to have the doors parallel with each other and the fixed glass panels as well. Once this is completed adjust top rollers up so as to take any up-and-down movement out of the door only. Do not over adjust.

With your package you will have received a H channel. This is designed to be fitted to the non-active door and may need some adjustment in height. Use a hacksaw or a drop saw to get the correct heigh, fit to the non-active door with the rivets supplied. The channel will have two small ribs in one side of and this is to face the non-active door leaving a clean U channel for the active door to close into.

Bring the doors together in the centre and Mark exactly where you would like to have the lock striker receiver installed onto the H channel. Using a 3 mm drill bit drill in the centre of the two elongated holes and attach the striker receiver with the screws provided. Close doors and adjust as necessary.

Bring the doors to the centre and allow to self catch together. Make sure the doors are centred perfectly and line up with the receiving interlocks on the fixed glass panel. There should now be approximately a 4 mm overlap.  Now install the frame interlocks provided starting with the non-active then moving to the active. Once these are installed then open and close them to tests that they are locking and interlocking correctly. Test also that keys are operating both internally and externally and the internal chrome snib is working correctly as well.

For installation where a 3 mm or 7 mm receiving interlock has been needed then the same process as above will be followed up until the very last point prior to where the frame interlock is to be installed. Once you have established that your doors are locked and sliding back and forth as one complete unit, then lined them up in the centre exactly. These now should be slightly overlapping the fixed glass panels by around 3-4 mm on either side. Now after you take a visual memory note of where these will line up, slide the two doors to the left and install the right side receiving interlock onto the fixed glass panel.  Once this is completed slide the doors backing to position and double check that you have installed the receiving interlock so as to line up correctly with the back of the door. Once you have established that this is the case then slide the doors to the right and repeat the same process on the left-hand fixed glass panel. Make sure that when you bring the two doors back to the centre that the receiving interlocks do not come past the edges of the doors.

Now install the receiving interlocks adjusting Heights with a hacksaw as necessary. The two little light is located on the inner part of the receiving interlock are designed to slide back and forth inside the back door to give you a degree of adjustment so as to align correctly.

If you have chosen flat interlocks then again repeat the same process to the point where the frame interlocks are to be installed. You will notice now that your doors will overlap the fixed glass panel by around10/12 mm on either side of the fixed glass panels. Make sure the doors are closed together and are in the absolute centre. Now with some sort of removable marker such as a text or pencil Mark exactly at the back of the door where it will stop in the closed position on to the glass on the behind the fixed glass panel. In other words the two very furtherest positions of the outside of the doors. Now sliding the two doors off to the left install the flat interlock onto the fixed glass panel making sure not to drill to close to the glass. Be very careful during this process. Your doors are made from toughened glass and if you do happen to touch them with the drill bit or a rivet you stand a very high chance of cracking or shattering the glass inside the fixed glass panel.

Once you have installed the right-hand side receiving interlocks slide the doors to the right and install the receiving interlock to the fixed glass panel on the left-hand side. Once this is completed bring the doors back to the centre to check alignment and then install the frame interlocks.

Open and test doors to make sure that they are locking and interlocking correct. Test also that the peas are operating both internally and externally internal chrome Snib is working as well.

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