Knauer Azura P 2.1L, Руководство пользователя

Страница: 36 / 44

P 2.1L user manual V6840, version 3.6
Maintenance and Care 33
Intermediate result The pump head is dismounted. To mount the pump head, proceed the
steps in reverse order.
Next steps Mounting a pump head.
Attaching Capillaries to the Pump Head
Pay attention to the torques in the chapter Installation (see page 34).
Prerequisite The pump head has been removed.
Tool Open-end wrench, sizes 10, 17
Device defect
Damage to the pump head caused by overtightened capillary fittings.

Note the torque of the fittings.
Note: PEEK fittings can withstand pressures up to 400 bar for 1/16" and
200 bar for 1/8".
1. To remove the capillary, loosen
the capillary screw fittings
1
at
the pump head outlet and
pressure sensor inlet.
2. Disconnect the hoses of the
piston backflushing
2
from the
flush pump and the pump
head.
3. Remove the eluent lines
4
from the eluent inlets.
4. Unscrew the Allen screws
3
.
5. Hold the pump head by hand,
and consecutively pull out all
Allen screws.
6. Lift off the pump head.
Fig. 30 Removing the Pump Head
3
4
1
2
Procedure Process Figure
1. Slide the fitting
1
onto the
capillary
2
.
2. Slide the clamping ring
3
onto
the capillary, so the capillary
comes out.
Fig. 31 Screw fitting
3. Using an open-end wrench,
hold the inlet fitting
5
in place.
4. Tighten the fitting
4
at the
pump head.
5. If the capillary cannot be
screwed tight, then use a new
clamping ring!
Fig. 32 Pump head
1 2 3
4
5