April 2016 HZTL2488_EN Revision C
Fit the O-ring (77005) to the wall insert (77000).
Fit the swivel lifting eyes (90235) and attach lifting gear.
Align the wall insert (77000) using the centering screw (90187) and fit
it.
Put the diffuser (79000) in place using the swivel lifting eyes (90235).
Remove the swivel lifting eyes (90235).
Fit the screws (72002).