104 Agilent 1290 Infinity II Flexible Pump User Manual
7 Maintenance
Pump Head Procedures
Pump Head Procedures
Limitation of life time
The pump head assembly is an exchange part which cannot be reassembled with
standard tools. Disassembling the pump head will strongly limit its life time.
➔ Do not disassemble the pump head assembly.
Damage of connections
Disassembling the flow connection between the two pump heads of the pump head
assembly (solvent channel) can damage the connection and cause leaks.
➔ Do not disconnect the flow connection between the pump heads.
Damage of internal parts
➔ Do not apply a strong force to the screws of the pump head.
➔ Use a torque hex key for that purpose.
Damage of the pump piston
Removing pump heads in a position other than the maintenance position can damage
the pump piston.
➔ Before switching off the pump, bring it to the maintenance position.
Damage of pump drives
The pump drive can be damaged if the pump initializes after switching it on without
having the pump head installed properly.
➔ Use the Lab Advisor maintenance procedure for replacing pump heads.
➔ Install the pump head correctly before switching on the pump.
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