1290 Infinity II High-Speed Pumps User Manual 183
8Maintenance
Pump Head Maintenance (Tool Free)
15 Tighten the pump head screws with a torque wrench
set to approx. 5 Nm in a crosswise manner.
When the wrench clicks, the set torque is reached. Do not
overtighten the screws.
16 Mount the pump head to the module. Do not fix the
screws at this stage!
17 Screw in the inlet valve and the outlet valve and fix them
with a torque wrench set to approx. 10 Nm.
18 Binary/High-Speed Pumps only: Screw in the high pres-
sure filter and fix it with a torque wrench set to approx.
16 Nm.
19 Remove the pump head from the module again. 20 Position the entrance slit for the heat exchanger capil-
lary to face exactly to it, and then seat the heat
exchanger capillary back into the outlet valve by moving
it into the valve and pressing it down.
10 Nm
10 Nm
approx.
approx.