AZURA® Pump P 2.1L Instructions V6840
54
Maintenance and care
8.3
Pump head
Depending on the requirements of the user, different pump heads are
used (see „13.2 Pump heads with accessories“, p. 69).
8.3.1
Screw fittings on the pump head
Legend
1
Capillary fitting
2
Allen screws
3
Outlet fittings
4
Inlet fittings
5
Eluent Inlet
Fig. 35:
2
3
1
4
5
Screw fittings on the pump head
8.3.2
Dismounting the pump head
The pump head has been purged.
The tubes and hoses have been removed.
Allen wrench
Open-end wrench, sizes 10, 17
Chemical burns
Skin damage from aggressive or toxic eluents.
Wear protective gloves.
Flush the pump head before changing.
Component defect
Possible damage to the pump piston by tilting the pump head.
Tighten diagonally opposite fastening screws evenly one turn at a
time.
Also loosen the fastening screws evenly.
Prerequisite
Tools