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Using a jigsaw, cut around the outer edge of the line
you have marked. By doing this, the pet door should fit
through the hole first time. However, if you cut on, or
inside the line, the hole is likely to be too small. If this is
the case, please take the time to carefully file the hole
until the pet door fits through easily.
Now put the tunnel of the pet door through the hole.
Remember the SureFlap logo and LCD display must be
inside the house. We advise that you have two people for
this, one inside the house and one outside to help hold the
product firmly in place.
On the outside of the house, make sure the tunnel of the
pet door is securely pushed through the hole and then
slide the external frame over it. When the external frame
is in place, using a sharp pencil mark through the
four holes.
Remove the pet door from the hole and drill the four screw
holes using a 6mm drill bit ( "). We now recommend you
choose the correct length of screw out of those provided
to attach the pet door to the door. Do this by measuring
the length of the screw against the depth of your door.
The screw must be roughly 15mm ( ") longer than the
depth of your door so it can hold the pet door in place.
Put the pet door back through the hole, position it centrally
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and replace the external frame. Then, using a cross head
screwdriver and the screws you selected, attach the external
frame. Fasten the first screw until it is secure, but not too
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tight, then do the same with the remaining three. Once all
four screws are secure, tighten them, but alternate between
screws as you go to ensure the product is tightened evenly.
Now, insert the four screw
caps, noting that the groove
needs to be facing away from
the tunnel.