8.7
Remove insulation from gas inlet casing (51001).
Loop lifting gear through (eylet) lugs on gas inlet casing.
Undo screws (61044) and remove gas inlet casing (51001) complete
with nozzle ring (56001).
Remove screws (56014), sleeves (56013) and nozzle ring (56001).
Undo and remove screws (57005).
Fit two guide studs (90320).
Press away cover ring (51085) using press-off screws (90901) and
remove over guide studs (90907).