Maco GU GR4 Or GR5 Upvc Patio Or Tilt Turn Drive Gear Lock Rod
Maco GU patio tilt and turn drive gear that operates tilt and turn or patio mechanism. This connects into the corner drives to move locking parts round all four sides of the patio tilt and turn window. Due to the long length of this drive gear many fabricators used it to create a tilt and slide patio but the drive gear is really part of the tilt and turn range. This patio generally only has the handle fitted to the inside of the patio and the actual handle has a locking key in it.
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(Must be the same part, colour & size to qualify)
Maco GU GR4 or GR5 Patio or Tilt Turn Drive Gear
- Backset: 16mm
- Handle hole centres: 43mm
- Faceplate: 16mm
- Locking points: GR4 = 1 GR5 = 2
- Faceplate stamped: Maco GR 4 FFH 1301 - 1800 or Maco GR 5 FFH 1801 - 2350 depending on choice.
What You Will Receive:
1 X Tilt turn patio drive gear
The Maco drive gears were commonely made by GU and were stamped with the Maco logo we have found that in a number of situations the Maco drive gear can replace the GU one as the interlocking teeth are very similar but will always be dependant on the corner gears that the original fabricator used.
The drive gears were often fitted with a "sash lifter device" or "rocker" which when the opener closed hits onto a round cam striker and lifts the opener up vertically so that the gearing round the window is always in the right place vertically to ensure a smoother operation when turning the handle etc.
This device also stops the handle been operated when the window is open to help prevent any trapped fingers or putting the opener into the tilt position inadvertently.
You may find that the existing window does not have this device fitted (as some fabricators did not like to use it) If the new one has the device (dependant on suppliers stocks whether this is fitted or not) you can remove it with a flat screwdriver by forcing it between the lifter and the faceplate and twisting it out and away with some force.
GR4 - 1301-1800 (Actual length before cutting = 1520mm)
GR5 - 1801-2350 (Actual length before cutting = 2010mm)
Underneath the faceplate are teeth to connect to any Maco corner drives that may be fitted.
This patio generally only has the handle fitted to the inside of the patio and the actual handle has a locking key in it.
The old Maco drive gears you may have will likely be obsolete and superseded with the new ones shown which are now also been phased out but still in stock!
These old Maco tilt drive gears roller cams were different and recognisible because they were oval shaped not round like the newer ones shown. However the new ones will likely still fit into the keeps but it is also usal that the keep may need moving to suit the new cams and positions. This is really easy as the keeps are simply screwed into place on the outer frame. The connection teeth should still be the same and should fit once cut down.
Lastly the anti-miss handling rocker switch on the old gears is now different so again you may need to move the striker plate that forces it to close when the window is operated in the closed position. It is not unknown for some fabricators to lock and keep these new switches in the closed position and not use them as they find them very troublesome to set up, and if the window flexes and moves can prevent the window operating