5
Maintenance
Accessing, Disassembling, and Reassembling the LDA
Thermo Scientific
Accela 600 and 1250 Pump Hardware Manual
91
9. If you have not already done so, insert the pistons into the holding hook bores and
bushing guides. Align the piston wash tubes so that they protrude away from the holding
hook (see
).
10. Carefully insert the piston into the bore of the displacement chamber and seal
(see
). At the same time, tighten the holding hook using the 4 mm hex ball
driver. Repeat the same procedure for the second piston unit.
Figure 85.
Inserting the piston/guide bushing/holding hook assembly
11. Firmly tighten both holding hooks (see
Figure 86.
Tightening the holding hooks