92
3 Pump Head Maintenance (Quaternary and Flexible Pumps)
Assembling the Pump Head
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.
13 G4204A: For the secondary pump head, install the outlet
filter using the torque wrench (14 mm hex bit), which is
included to the 1290 Infinity Service Kit p/n 5067-4699,
set to 16 Nm.
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.
14 G7104A: For the secondary pump head, install the outlet
adapter using the torque wrench (14 mm hex bit), which
is included to the 1290 Infinity Service Kit p/n
5067-4699, set to 16 Nm.