Maintenance
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11 Replace the O-rings 9.25 x 1.78 and 18.77 x 1.78 (See Figure 10-26). Check the
sealing surfaces of the gas inlet flange and clean them if necessary.
Figure 10-26 Gas inlet ThermoStar
1 . . . . . . . . Orifice
2 . . . . . . . . Pressing Screw
3 . . . . . . . . O-ring 9.25 x 1.78
4 . . . . . . . . O-ring18.77 x 1.78
5 . . . . . . . . Screw M3 x 6
12 Proceed in reverse order to mount the gas inlet into the GSD 320.
13 Reconnect the quartz capillary to the gas inlet flange.
14 Place insulation back inside the heater box, replace heater box cover, and front cover
to the GSD 320.
15 Plug in the mains power connector.
16 Put the GSD 320 back into operation.
17 Dispose of the replaced parts in accordance with local regulations.
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