Cleaning Instructions - M&C TEC1 Series Operation Manual

3. Install the upper pump head A and then the pressure ring H again. Align both so that the screws fit
into the threads in the housing.
4. Check that the bellows are seated correctly. The bellows must be attached to the connecting rod.
5. Fasten the pressure ring H with the four hexagon socket screws G. First tighten the screws by hand.
Start lightly to tighten one screw. Tighten the opposite screw to the same amount, then select the
adjacent pair. Repeat in the same sequence, going for a hand-tight setting.
6. Then tighten the four hexagon socket screws alternately in the same sequence with a torque to a
value of 5 Nm (3.69 ft/lb).
7. Screw the crankcase cover back on again. Tighten the three hexagon socket screws F (wrench 3
mm) by hand.
15.3

Cleaning instructions

When changing valve plates and bellows, inspect all parts for contamination before assembling
the pump head and clean them if necessary.
Only use adequate solvents (e.g. alcohol) to prevent corrosion of the plastic parts (PTFE, PFA,
FEP). If available, use oil-free compressed air to remove dust particles from the parts.
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