Operation Manual / TPR56-F + TPR61-F8 Disassembly and assembly / 8.7 Installing cartridge group© Copyright 2018 . All rights reserved. HZTL2490_EN Revision D May 2018u Fit screw (61059) with Verbus Ripp® washers (61058) and two nuts(61064) and tighten evenly.u Remove the lifting gear.If provided: u Screw in the speed sensor (86505) complete with its O-ring (86506)and plug in the cable connector (86515).u Fit O-ring (42012).8.7.1 Fitting compressor casingu Fit O-rings (77005 & 77006).u Fit lifting gear, swivel lifting eye (90230) and plug bolt (90865).u Align the wall insert (77000) to the threaded holes in the compressorcasing (72000) using the lugs on the swivel lifting eyes, then lower it.u Fit the diffuser (79000).u Screw in the screw (72002) as far as it will go and then unscrew it by¼ turn. The screw must be loose and the diffuser must be movable.Page 68 / 79