Pre-Start Checklist; Motor Rotation - WDM ME Series Operation Manual

Medium pressure pumps
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ME Pumps.

Pre-start checklist.

WARNING.
.
The pump should be operated within the conditions on the
name plate in order to protect the safety of the operator. If operated
outside such conditions, the pump could fail causing injury to operating
personal. In order to properly operate and maintain the pump and its
components, an instruction book should be consulted.
Before starting the pump, the following inspections should be made:
All wiring to the motor and starting device should match the
wiring diagram. The motor should move in a clockwise
rotation when looking at it from the back. If the motor has
been in storage for any length of time, whether used or new,
then consult the motor instructions before starting. Use the
motor data plate to check the voltage, phase, and line circuit
frequency.
In order to make sure it rotates freely, use your hands to turn
the rotating element..
All piping should be checked for leaks. Also all flange bolts
should be checked to make sure they are tightened securely..
Write down the serial number of the pump for future
reference.
Perform an insulation (or megger) test on the motor before
putting the pump into service.
Resistance values (ohms), voltage, and current (amps)
should all be recorded and saved for future reference.

Motor rotation.

CAUTION.
To check the driver rotation, make sure pump and driver
couplings are fully disconnected and separated physically. Serious
damage will occur to both the pump and driver if the rotation is wrong.
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