Thermo Scientific Accela 1250, Hardware Manual

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Thermo Scientific Accela 600 and 1250 Pump Hardware Manual 77
5
Maintenance
To maintain the optimal performance of your Accela pump, follow the “Maintenance
Schedule” on page 78 and the procedures in this chapter.
CAUTION Read all safety precautions before performing any maintenance procedures on
the pump. See “Safety Information” on page xxi .
CAUTION The instrument contains voltage lines. Turn off the power and disconnect the
power cable prior to servicing the instrument. There is no need to open the pump
enclosure, however, as all user serviceable components are outside of the instrument.
Contents
• Maintenance Schedule
• Accessing, Disassembling, and Reassembling the LDA
• Replacing the Primary Piston Seals
• Replacing the Secondary Piston Seals
• Cleaning the Check Valves
• Cleaning the Pistons
• Cleaning the Instrument Casing
• Flushing the LDA
• Flushing the Piston Guide Bushings
• Removing Air from the Piston Chambers
• Cleaning the Displacement Chambers and the Inlet Module
• Replacing the Fuses