88 1200 Series Quarternary Pump User Manual
7 Maintenance
Simple Repairs
Removing the Pump Head Assembly
1 Remove the front cover.
2 Disconnect the Active Inlet Valve cable.
3 Using a 1/4 inch wrench remove the outlet capillary.
4 Disconnect the capillary from the Outlet Ball Valve.
5 Remove the waste tubing and disconnect the Active Inlet Valve tubing.
6 Remove the capillary at the bottom of the Pumphead.
7 Using a 4 mm hexagonal key, stepwise loosen the two Pumphead screws and
remove the Pumphead from the Pump Drive.
When • Exchanging the seals
• Exchanging the plungers
• Exchanging seals of the seal wash option
Tools required • Wrench 1/4 inch
• 4-mm hexagonal key
Preparations Switch off pump at the main power switch and unplug the power cable
Damage of the pump drive
Starting the pump when the pump head is removed may damage the pump drive.
➔ Never start the pump when the pump head is removed.
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