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36 Subject to technical alterations! WILO SE 03/2016
The motor does not have to be completely removed from the pump housing if
only the control module is to be repositioned.
• Carefully lift the pump head and rotate it so the terminal box is in the desired
position (see permissible installation positions as per fig. 2a and fig. 2b).
• Replace the pump head onto the pump housing and thighten the allen screws
evenly in a diagonal method.
Torque to:
• M6 ............. 7 ft lb
• M10 ........ 22 ft lb
• To remove the motor, (4x) M6 or (4x) M10 hexagon socket screws must be
loosened. These screws can be reached with the following tools (fig. 3):
• 90° offset socket-head screwdriver
• spherical head socket-head screwdriver
• ¼"reversing ratchet with suit
• After the installation tighten the 4 socket-head screws again crosswise.
• The control module can be disconnected from the motor by undoing two screws
if the screws on the motor flange cannot be accessed, see Chapter 9.2.
• For the commissioning of the pump, see Chapter 8.
9.2 Dismantling / installation of the control module
The control module is disconnected from the motor by undoing two screws
(fig. 4):
• Undo the screws of the terminal box cover (item 1)
CAUTION! Risk of damage to property!
If for maintenance or repair work the motor head is detached from the pump
housing, the O ring located between the motor head and pump housing must
be replaced with a new one. When installing the motor head, check that the
O ring is correctly seated.
CAUTION! Risk of damage to property!
Do not damage the O ring located between the motor head and the pump
housing. The O ring must lie in the angled end shield that faces the impeller,
and must not be twisted.
WARNING! Risk of damage to property!
Incorrect dismantling/installation can lead to injuries and damage to property.
Observe the hazard information in Chapter 9.1.
DANGER! Risk of fatal electrical shock!
Even without the module (without electrical connection), there may be
dangerous contact voltage at the motor contacts (cause: generator
operation when fluid flows through the pump). Do not stick any objects (i.e.
nail, screwdriver, wire) into the motor's contacts.
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