Amersham Biosciences AKTA design P-960, Руководство пользователя, Страница: 21 / 40

Maintenance
4
Pump P-960 User Manual 18-1172-73 Edition AA
21
4.4 Removing and installing the connection part
The connection part should be removed to make it easier to remove the
check valves and the O-rings.
4.4.1 Required tools
• Hex wrench, 4 mm
4.4.2 Removing the connection part
Before disassembling the pump, move the input liquid bottle below the
level of the pump to prevent siphoning.
1 Switch off the system with the mains power switch.
2 Disconnect the UniNet-2 cable from the sample pump.
3 Disconnect the inlet and the outlet
tubing from the connection part.
4 Release the pump from the system.
5 Unscrew the two attachment screws to
remove the connection part. Use the
4 mm hex wrench.
4.4.3 Installing the connection part
1 Wipe the rear side of the connection part and the other parts behind
the connection part with a clean cloth.
2 Check that none of the seven O-rings on the rear side of the
connection part has come loose.
3 Fit the connection part in position. Fasten the two attachment
screws using the 4 mm hex wrench.
4 Reinstall the sample pump in the system.
5 Reconnect the inlet and the outlet tubing.
6 Reconnect the UniNet-2 cable.
7 Purge the pump carefully and check that the fault is corrected. See
section 5.2 Removing trapped air bubbles from the sample pump.
Screws Connection part
18117273aa.book Page 21 Thursday, July 3, 2003 5:13 PM