KNAUER
P 6.1L User Manual V6890 Version 1.2
50
Maintenance and Care
Next steps
Dismount the pump head.
Dismounting the Pump Head
Prerequisite
The pump head has been purged.
The tubes at the inlet and outlet have been removed.
The pump head's inlet and outlet have been sealed with cap
fittings.
Tools
Allen wrench
Open-end wrench, size 1/4"
Open-end wrench, size 13
WARNING!
Aggressive or toxic solvent residue can irritate
the skin!
Wear protective gloves.
Flush the pump head before exchanging it.
CAUTION!
Damage to the pump head by residual chemicals.
If the pump head is stored and re-used later,
flush it and fill it with isopropanol. Afterwards,
seal the inlets and outlets with cap fittings.
CAUTION!
Damage to the pistons if they tilt.
Undo or tighten diagonally opposite screws
evenly by one turn each at a time.
Procedure
Process
1. Fill the flushing solution into a syringe and inject into the
capillary at the pump head inlet. Leave it for 5 minutes.
2. Rinse with water.
3. Flush the pump head with isopropanol.
4. Seal the inlets and outles with cap fittings.
Procedure
Process
Figure
1. Loosen the capillary
connectors
1
at the
outlet. Remove the cap-
illary.
1. Fixate the outlet fitting
1
with an open-end
wrench (size 13).
2. Loosen the fitting
2
with an open-end
wrench (size 1/4").
Fig. 33
Fitting at the outlet of
the pump head
1
2
Содержание Azura P 6.1L
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