7-28 Routine maintenance
Tip: This spacer is shaped, and will fit only one way round.
6. Fit the repeller contact over the repeller shaft.
7. Fit the nut and washer securing the repeller contact to the repeller. Do
not tighten the nut fully at this stage.
Tip: Use the “clutch pencil” tool to place the nut on the repeller’s thread.
Caution: The repeller plate must not touch any part of the ion block,
otherwise the instrument will not function.
Repeller contact ceramic spacer
Repeller shaft
Repeller contact