22
TUBE REPLACEMENT
PUMP TUBE
PREPARATION
1.
Follow all safety precautions prior to tube replacement.
2.
Prior to service, pump water or a compatible buffer solution through the pump and
suction and discharge lines to remove chemical and avoid contact.
REMOVE THE PUMP TUBE
1.
Turn the pump off and unplug the power cord. On the adjustable model, ensure that
the feed rate control is set to 10.
Figure A
2.
Depressurize and disconnect the suction and discharge lines.
3.
Open the back and front of the latches on both sides of the head. Carefully fold
latches back to prevent contact with the cover.
Figure B
For CE pump only: Remove the safety screw on cover.
4.
Remove the tube housing cover and flip to use as a tool in the next step.
Figure C
5.
Align the center of the inverted cover with the center of the roller assembly so that
the three holes on the face of the cover align with the three knurled lugs on the
roller assembly. Position the cover feet near the tube fittings.
Figure D
NOTE: The roller assembly needs to be collapsed to remove the tube.
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A
B
C
D
