May 2016 HZTL2491_EN Revision B
Unscrew nuts (74027) and remove them together with washers
(74018).
Remove four studs (74026/74029) in the upper section and fit two
guide studs (90320).
Leave two holes free in the upper section for a lifting device (90190).
Hoist up the lifting device (90190) using the shackle (90195) and the
lifting gear.
Using press-off screws (90900), press away the compressor casing in-
ternal part (76000) until the lifting device (90190) can be attached and
secured to a crane.
Remove the compressor casing internal part (76000) along with the
wall insert and diffuser.
Fit the support angle (90025).
Remove the O-ring (76040).
Set down the compressor casing internal part (76000) along with the
wall insert and diffuser in a horizontal position.
Remove screws (42059) together with flange. Also remove possible
contamination behind the flange.
Fit flange with screws (42059) and new gasket (42041) after cleaning.
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