Endress+Hauser Stamoclean CAT430, Руководство по эксплуатации

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Maintenance Stamoclean CAT430
30 Hauser
7.2.5 Pump sealing
If filtrate leaks out of the leak bore on the underside of the pump head (
→
å
22, item 6), there
are two possible reasons for this:
a. The fixing screws of the pump head have become loose.
b. The pump diaphragm is defect.
Foot valve
a0007291
Fig. 21: Foot valve
1 Moulded seal
2 Valve balls
3 Valve seats
4 Pressure connection
5 Opening
6 Spacer sleeve
7 Valve inserts
1. Screw the valve out of the pump head.
2. Remove the moulded seal (
→
å
21, item 1) from the pump head
using a small screwdriver.
3. Press the spacer sleeve (item 6) and the valve inserts (item 7) out of
the valve by guiding a suitable tool (e.g. an Allen key) through the
opening of the pressure connection (item 5).
4. Use the screwdriver to remove the valve seats (item 3). In doing so,
let the valve balls (item 2) fall onto a piece of paper so they can be
found easily again.
5. Clean all parts thoroughly with water.
6. Replace damaged parts (see "Spare parts").
7. Drop the valve balls into the valve seats and press on the valve
inserts.
8. Press the valve inserts with the small hole in the direction of flow
(arrow) into the pressure connection. Note the order: spacer sleeve
and then valve inserts (both similar).
9. Insert the moulded seal into the pump head.
10. Screw the valve into the pump head until the stop.
11. Screw the coupling nut with the plug connector onto the valve.
12. Insert the filtrate hose (from the filter) into the plug connector.
2
3
4
5
6
2
7
1
a0007292
Fig. 22: Pump head and individual parts
1
2
3
4
5 Fixing screws
Pump head
Head disk
Safety diaphragm
Pump housing 6
7
8
9 Leak bore
Diaphragm
Cover plate
Evacuate screw