
5
Maintenance
Accessing, Disassembling, and Reassembling the LDA
Thermo Scientific
Accela 600 and 1250 Pump Hardware Manual
87
2. Taking care not to crimp the proportioning valve cables, put the LDA onto a level surface.
Using a 4 mm hex ball driver, loosen, but do not remove the fastening screws that secure
the holding hooks (see
Figure 77.
Location of the fastening screws that secure the holding hooks
3. Carefully remove the pistons, guide bushings, and holding hooks from the LDA body
(see
Figure 78.
LDA with the pistons, guide bushings, and holding hooks removed
Fastening
screws
Note: Contrary to this drawing, you cannot remove
the proportioning valve cables from the proportioning
valves. The cables are hardwired to the valves.
Holding hook
Guide bushing
Piston