Pump Head Procedures - Agilent Technologies Infinity II 1290 User Manual

7
Maintenance

Pump Head Procedures

Pump Head Procedures

Limitation of life time
C A U T I O N
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.
➔
Damage of connections
C A U T I O N
Disassembling the flow connection between the two pump heads of the pump head
assembly (solvent channel) can damage the connection and cause leaks.
➔
Damage of internal parts
C A U T I O N
➔
➔
Damage of the pump piston
C A U T I O N
Removing pump heads in a position other than the maintenance position can damage
the pump piston.
➔
Damage of pump drives
C A U T I O N
The pump drive can be damaged if the pump initializes after switching it on without
having the pump head installed properly.
➔
➔
104
Do not disassemble the pump head assembly.
Do not disconnect the flow connection between the pump heads.
Do not apply a strong force to the screws of the pump head.
Use a torque hex key for that purpose.
Before switching off the pump, bring it to the maintenance position.
Use the Lab Advisor maintenance procedure for replacing pump heads.
Install the pump head correctly before switching on the pump.
Agilent 1290 Infinity II Flexible Pump User Manual