ALLDOS KM 255, Руководство по эксплуатации

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KM 255 en
40 15.720045-V1.0
9.7 Replacing the diaphragm for dosing head with double diaphragm
9.7.1 Removing the dosing head
1. Close dosing lines on suction and pressure side and loosen suction and pressure
valve connections.
2. Loosen the 6 dosing head screws (1q with 2q) and remove the dosing head (2).
9.7.2 Replace the double diaphragm.
1. Clean the intermediate disk (3q), sealing rings (4q) and covering rings (5q) - replace
with new ones after a diaphragm has broken.
2. Remove both clamping sleeves (6q) slightly using pliers - replace with new ones after
a diaphragm has broken.
3. Measure the outer wall thickness of both new diaphragms (Q1 and Q2):
s
1 (Q1)
< s
2 (Q2)
.
Caution
Observe correct installation of diaphragms Q1 and Q2 (see diagram)!
Fit the thinner diaphragm (Q1) on eth dosing side and the thicker diaphragm (Q2)
on the oil side/pump side!
4. Fit both new diaphragms (Q1 and Q2) and the parts (3q - 5q) in the correct order, as is
shown in the diagrams (the clamping sleeves (6q) are used for centring purposes).
1q Dosing head screw
2q Intermediate disk
2 Dosing head
Q see diagram below
1) The shape of the diaphragm
varies depending
on the type of pump.
1q
2
2q
3q - 5q Q2 Q1
1)
s
1
< s
2
2 5q 4q 3q 4q 5q Q2 Q1
6q
3q
S