178 1290 Infinity Quaternary Pump User Manual
9 Maintenance
Assembling the Pump Head
Damage to the pump head
Using a wrong torque will damage the pump head.
âž” For handling the torque wrench, setting and applying
the right torque, consult the manual of your torque
wrench.
9 Using a torque key, which is included to the 1290 Infinity
Service Kit p/n 5067-4699, set 5 Nm and fix the 4 screws
at the rear of the alignment tool. Tighten screws
crosswise.
This procedure will align pump head parts to their
correct positions and close the pump head tightly.
10
Open the 3 screws which have closed the pump head
alignment tool and take out the aligned pump head. In
case the pump head sticks inside the alignment tool, you
can use the handle and insert it to the rear of the tool for
pushing out the pump head.
Heat exchanger capillary
Tool handle
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