Assembly Of Pump And Motor - Grundfos 5SQ-90 Installation And Operating Instructions Manual

13. Assembly of pump and motor

To assemble pump end and motor, proceed as fol-
lows:
1. Place the motor horizontally in a vice and tighten
it, see fig. 12.
2. Pull the pump shaft out to the position shown in
fig. 11.
Fig. 11 Pump shaft position
3. Grease the motor shaft end with the grease sup-
plied with the motor.
4. Screw the pump end on the motor (55 Nm).
Note: The pump shaft must engage with the mo-
tor shaft.
A spanner may be used on the clamping faces of
the pump end, see fig. 12.
5. Fit the cable guard as described in section 8.
Use pump vice here
Fig. 12 Pump in vice
0.5 hp: L = 4.7".
0.75 hp: L = 4.0".
1.0 hp: L = 2.6".
1.5 hp: L = 2.6".
When pump end and motor have been assembled cor-
rectly, there must be no clearance between pump end
and motor.
To disassemble, reverse procedure.
L
6.14"
11