182 1290 Infinity Quaternary Pump User Manual
9 Maintenance
Assembling the Pump Head
17
Bring the pump drive to the maintenance position using
the Lab Advisor user interface, see “Replacing the Pump
Head” on page 152. Both pump drives must be retracted.
Damage to the pump head
Using a wrong torque will damage the pump head.
➔ For handling the torque wrench, setting and applying
the right torque, consult the manual of your torque
wrench.
18 Install the new pump head assembly by tightening the
screws step by step. Apply 5 Nm using a torque hex key,
which is included to the 1290 Infinity Service Kit p/n
5067-4699.
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