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In this video we are going to show you how to replace the catch and spring. This is the
catch and spring assembly. To remove the spring pull it out of the plastic of the catch. To
replace or add the new spring, slide it over the spindle as shown and push the end firmly
into the slot. Having removed SureFlap from its installed
location all you require is a cross-head screwdriver. First of all remove the battery cover, then
place SureFlap face down and remove the four screws that hold the unit together.
Having removed the four screws you can take the two halves apart, but take care not to
stress the antenna wires shown in the top right corner as we look at the unit.
Next we remove the motor which simply lifts out. Lift the back of the motor out first
as we are showing here. To remove the catch pull it forward as shown
and then pull the two ends of the spindle straight up and the catch will pop out of
position. Now take the new catch and spring assembly
and place it into the unit as shown. To clip it into place apply pressure to the two ends
of the spindles and it will snap into position. Now we are going to replace the motor. The
grey cam on the end of the motor spindle has a rectangular piece on it – rotate it so
this points straight up. Now slide the cam of the motor into the side of the catch and
lower the motor into position as shown. We will show you this process one more time.
Now feed the wires from the motor through the slots in the plastic frame.
Apply pressure to the PCB and battery compartment in case they have lifted up and ensure that
the two plastic lens covers are in position. We can now put the unit back together, making
sure not to trap these antenna wires. Place the two halves one above the other and
slowly lower the tunnel section down while checking that no wires are trapped between
the two halves. When you have checked that no wires are trapped you can screw the two
halves back together. Having put the unit back together check that
the catch and spring are working correctly. Push the door back and press down on the catch
with your finger. The catch should pop back up under the pressure from the spring. If
the catch does not pop back up or move freely, install the batteries and push the memory
button a few times. If the catch is still not working correctly you will need to open
up the unit and reinstall the catch and spring.