Thermo Scientific EA IsoLink IRMS System Operating Manual page 158

Figure 141. Removal of the Shaft
8. Eliminate possible traces of dirt from the shaft seals using a dry clean cloth.
9. Place and smear a slight layer of silicon grease on the o-ring. Do not use solvents.
Figure 142 shows the shaft of the MAS Plus autosampler.
Figure 142. Shaft of the Autosampler
10. Re-introduce the shaft into the autosampler until in place keeping its rack turned downward, as
shown in Figure 143.
Figure 143. Reinstalling the Shaft (1)
11. Slightly pushing the shaft with one finger of your hand, as shown in
Sampler tray position again. The autosampler mechanism first tries to eject the shaft, then, on the
motor reversal, the mechanism will hook the shaft and draw it inside the autosampler (2).
Figure 144. Reinstalling the Shaft (2)
O-rings
Rack
Figure 144, click Step