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6.1 Fitting the chamber stack
1. Fit the impellers (49), the seal (45) and the chambers (4). Fit
the seal ring (44a) last.
2. Fit the washer (66) and the locking nut (67) and tighten it to 5
Nm. Hold the shaft end using a screwdriver.
Fig. 15 Tightening the nut of the chamber stack
6.2 Fitting the pressure tank
1. Fit the flat gasket (42a) and screw the pressure tank (42) on to
the connection part (2) by hand.
Fig. 16 Fitting the pressure tank
2. Fit the self-priming valve (10) and the O-ring (37).
Fig. 17 Fitting the self-priming valve and the O-ring
8
3. Check that the self-priming valve is fitted correctly.
Fig. 18 Correct position of the self-priming valve
4. Fit the connection part to the pump housing. Note that one
screw holds the earth connection bracket and the washer.
5. Cross-tighten the screws according to table below.
Fig. 19 Fitting the connection part
Sequence
1
2
3
4
5
6
Torque
[Nm]
3 ± 0.5
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