Waters Autospec Premier Operator's Manual page 211

4. Remove three 2-mm ceramic spacers from each ceramic rod.
2-mm ceramic spacers
First Y half-plate
6-mm metal spacer
5. Remove the first Y half-plate from the left-hand side ceramic rods.
6. Remove the 6-mm metal spacer from each left-hand side ceramic rod.
7. Remove the second Y half-plate from the left-hand side ceramic rods.
8. Remove the 6-mm metal spacer from each left-hand side ceramic rod.
9. Remove the third Y half-plate from the left-hand side ceramic rods.
10. Remove the 2-mm metal spacer from each left-hand side ceramic rods.
Source maintenance 7-53