GE Xcellerex XDM Series Operating Instructions Manual page 186

6 Preparation
6.6 Prepare the pumps
Step
3
4
Calibrate the pump
XDUO mixer pumps are not calibrated.
186
Action
Close the pump head cover.
If the tubing is moving in the pump head, tighten the adjustment wheel half
a turn clockwise.
CAUTION
Do not overtighten. Do not overtighten the adjustment
wheel on the pumps. The flow through the tubing may
be cut off.
Xcellerex XDM 50-1000, XDUO 100-1000 mixers Operating Instructions 29251615 AD