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Operation
35
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Mount the diaphragm together with the diaphragm support (1 / QF5C,
item 3; 6.1 Figure 9).
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Mount the diaphragm housing cover (2 / QF5C, item 3 Figure 9).
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Fasten the screws (5 / QF5C, item 10; 11 Figure 9).
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Mount the clamping ring (3 / QF5C, item 4 Figure 9).
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Fasten the screw (4 / QF5C, item 7 Figure 9).
6.5.4 Replacing the WLC
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Disassemble the pump chamber (see chapter 6.5.2 Disassembling the
pump chamber on page 33).
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Remove the screws (1 / PQ5T, item 4 Figure 19).
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Disassemble the ring drive together with the coupling half (2 / PQ5A;
PQ5G, item 2 Figure 13).
For QF5KCD pump:
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Remove the screws (1 /
PQ50H, item 4 Figure 12).
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Disassemble the cover
together with the seal (2 /
PQ50H, item 1.3, 7 Figure
12).
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Loosen the screws (1 /
PQ50G, item 8 Figure 15).
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Unscrew the threaded pins (2
/ PQ50G, item 2 Figure 15).
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Disassemble the toothed disc
incl. bush and toothed belt (3
/ PQ50G item 2; 5 Figure 15).
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Loosen the screws (1 /
PQ50H, item 5 Figure 12).
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Disassemble the ring drive (2
/ PQ5A-CD Figure 8).