8.2 DISMANTLING 163 COMPRESSOR FOR MAJOR OVERHAUL (Continued)
Removing the Inlet Shaft Seal (163mm)
Withdraw the driven half coupling key from the input shaft. Extract the cap screws (Fig. 40) from the
shaft seal cover and, using the jacking screw holes provided in conjunction with the T-bar jacking
tools, remove the shaft seal cover. Follow on with the removal of the Input Shaft Seal Assembly
(Figs. 41-42), ie, the stationary seat with ‘O’ ring seal, the shaft seal and balance piston/labyrinth
seal. Jacking holes are provided for withdrawing the balance piston using ‘T’ bar tools.
Fig. 41
Fig. 40
Fig. 42
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