Grundfos SP Installation And Operating Instructions Manual page 10

6.3.3 Grundfos submersible motors, MS
6000C
• If the motor is delivered from stock, the liquid
level must be checked before the motor is
fitted to the pump. See fig. 4.
• On pumps delivered directly from Grundfos,
the liquid level has already been checked.
• In the case of service, the liquid level must
be checked. See fig. 4.
Filling procedure:
The filling hole for motor liquid is placed in the
top of the motor.
1. Position the submersible pump as shown in
fig. 4.
Make sure that the filling screw is at the
highest point of the motor.
2. Remove the screw from the filling hole.
3. Inject liquid into the motor with the filling
syringe (see fig. 4) until the liquid runs back
out of the filling hole.
4. Replace the screw in the filling hole and
tighten securely before changing the position
of the motor.
Torque: 2.2 ft-lbs (3.0 Nm).
The submersible pump is now ready for
installation.
Fig. 4 Motor position during filling, MS
6000C
10
6.3.4 Grundfos submersible motors, MMS6,
MMS 8000, and MMS 10000
Filling procedure:
1. Place the motor at a 45 ° angle with the top
of the motor upwards. See fig. 5.
2. Unscrew the plug A and place a funnel in the
hole.
3. Pour tap water into the motor until the motor
liquid inside the motor starts running out at
A.
CAUTION
Caution
Do not use motor liquid as it contains
oil.
4. Remove the funnel and refit the plug A.
CAUTION
Before fitting the motor to a pump
Caution
after a long period of storage,
lubricate the shaft seal by adding a
few drops of water and turning the
shaft.
The submersible pump is now ready for
installation.
A
Fig. 5 Motor position during filling, MMS
45°