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4.8 Fitting the impeller
1. Fit the impeller (pos. 49) on the pump shaft.
2. Fit the washer (pos. 66), spring washer (pos. 66a) and nut (pos. 67) on the pump shaft. Tighten the nut to a torque of 80 Nm.
4.9 Fitting the pump head and motor
1. Lubricate the O-ring (pos. 72a) with soapy water and fit it on the pump head.
2. Lift the motor with pump head by the pulley and carefully insert the impeller (pos. 49) into the pump housing (pos. 6).
3. Fit the nuts (pos. 36) on the bolts (pos. 26) and tighten them diagonally to a torque of 45 Nm.
After assembly
•
Fit the drain plug (pos. 20) and tighten the air vent screw (pos. 17).
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Connect the electric cable in accordance with local regulations.
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Vent, prime and prepare the pump for start. See
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