Grundfos SQ 1, Installation And Operating Instructions Manual

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7.2 Assembly of pump part and motor
To assemble pump part and motor, proceed as
follows:
1. Place the motor horizontally in a vice and tighten
it. See fig. Assembly of pump part and motor.
2. Pull the pump shaft out to the position shown in
fig. Position of pump shaft.
TM028425
Position of pump shaft
3. Grease the motor shaft end with the grease
supplied with the motor.
4. Screw the pump part on the motor (55 Nm).
Caution: The pump shaft must engage with the
motor shaft. A spanner may be used on the
clamping faces of the pump part. See fig.
Assembly of pump part and motor.
L
156 mm
TM012854
Assembly of pump part and motor
Motor (P2)
[kW]
L
[mm]
0.70 120
1.15 102
1.55 84
1.85 66
When pump part and motor have been assembled
correctly, there must not be a clearance between
pump part and motor.
7.3 Removal of non-return valve
If a pump without non-return valve is required, the
valve can be removed as follows:
1. Cut off the legs of the valve guide using side-
cutting pliers or a similar tool. See fig. Removal of
non-return valve.
2. Turn the pump upside down.
3. Check that all loose parts fall out of the pump.
TM014337
TM014338
Removal of non-return valve
SQE-NE is supplied without non-return
valve.
The non-return valve can be fitted in a Grundfos
service workshop.
13
English (GB)