5
Maintenance
Replacing the Secondary Piston Seals
102
Accela 600 and 1250 Pump Hardware Manual
Thermo Scientific
7. Carefully slide the piston guide bushing over the piston and align the piston wash tubes
so that they face away from the holding hook (see
Figure 103.
Proper alignment of the piston wash tubes
8. Gently push the new secondary piston seal into its groove by pushing the guide bushing
up toward the end of the holding hook (see
Figure 104.
Holding hook/piston/guide bushing assembly
9. Repeat
through
for the remaining secondary piston seal.
11. Reattach the LDA to the pump (see
“Reattaching the LDA to the Pump”
).
Piston wash
tubes