188 1290 Infinity Quaternary Pump User Manual
9
Maintenance
Pump Head Maintenance (Tool Free)
13
Place the screws into the pump heads and loosely
tighten them in a crosswise manner.
The spring housing will tilt slightly when the first
screw is hand tightened. Stop at this point and
continue to tighten the three other screws in a
crosswise manner.
14
Mind the correct orientation of the link plate and click it
into place.
The Pump Head Holder has a marker to illustrate the
correct placement of the link plate. The link plate
holds an identification tag; this has to be placed onto
the correct position to be readable by the pump.
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!
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