4
Repairing the Pump
Exchanging the Wash Seals
When required
Tools required
Parts required
Preparations for this
procedure
1 Disconnect all capillaries and tubes from the pump head
and disconnect the active inlet valve cable.
118
When maintaining seal wash option
4-mm hexagonal key
Wash seal 0905-1175
Gasket, seal wash (pack of 6) 5062-2484
Switch off quaternary pump at the main power switch
Remove the front cover
2 Using a 4-mm hexagonal key stepwise
loosen and remove the two pump head screws and
remove the pump head from the pump drive.
Pump head screws
1200 Series QP Reference Manual