2.8   Place the rubber pad between the wall and the top beam (you will have to  cut holes in the rubber pad for the studding), square up and plumb the top  guides. Adjust the top beam position as required and tighten screws.           

2.9 Square up and plumb the lower guides. Fix the base plate onto the floor.   Cut the carpet and underlay around the lower guides and the ram cup.

2.10 Check the DBG is 733mm over the complete guide length. Ensure all  fixings have been tightened.
         
2.11 Reposition the temporary in-fill board over the aperture.

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