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Install Long Life Pump Heads (Binary and High Speed Pumps)
Install the Pump Head Assembly
Install Long Life Pump Heads (Binary and High Speed Pumps)
The following procedure shows how to install Long Life Pump Heads to a High Speed
Pump (G7120A). Installing pump heads to Binary Pumps (G4220A/B) can be done in
the same way.
Install the Pump Head Assembly
Tools required p/n Description
G7120-68708 HPLC System Tool Kit-Infinity-II
5067-5688 To r q ue wrench 1 – 2 5 Nm with 14 mm wrench
G4220-20013 4 mm hex bit
G4220-20015 Adapter ¼ in square to hex
1
Bring the pump drive to the maintenance position using the
Lab Advisor user interface: Go to Service & Diagnostics >
Remove/Install Pump Head and follow instructions given on
the screen. 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.
2
Install the new pump head assembly by tightening the screws
step by step. Apply approx. 5 Nm using a torque hex key, which
is included to the 1290 Infinity Service Kit p/n 5067-4699.
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