WARNING:WARNING:
WARNING:WARNING:
WARNING:
Excessive tension on the pulleys will
damage the bearings and lead to a
probable shaft rupture.
8 - Connection
WARNING:
Voltage may be connected at standstill
inside the terminal box for heating elements or
direct winding heating.
WARNING:
The capacitor on single-phase motors
can retain a charge which appears across the
motor terminals, even when the motor has
reached standstill.
A WRONG CONNECTION CAN
BURN THE MOTOR.
Voltage and connection are indicated on
the nameplate. The acceptable voltage
variation is ±10%; the acceptable frequency
variation is ±5% and the total acceptable
variation is ± 10%.
9 - Starting Methods
The motor is rather started through direct
starting. In case this is not possible, use
compatible methods to the motor load and
voltage.
The rotation direction is clockwise if the
motor is viewed from DE side and if the
phases are connected according to the
sequence L1, L2, L3.
To change the rotation direction, inter-
change two of the connecting leads.
Make sure to use the correct cable
dimension, based on the rated current stamped
on the motor nameplate.
BEFORE ENERGIZING THE
TERMINALS, CHECK IF THE
GROUNDING IS MADE
ACCORDING TO THE CURRENT
STANDARDS. THIS IS ESSENTIAL
AGAINST ACCIDENT RISKS.
When the motor is supplied with
protective or monitor temperature device such
as thermostats, thermistors, termal protector, etc,
connect their terminals to the corresponding
devices on the control panel.
10 - Start-Up
THE KEY MUST BE FASTENED OR
REMOVED BEFORE STARTING THE
MOTOR.
a)
The motor must start and operate
smoothly. In case this does not occur, turn it off
and check the connections and the mounting
before starting it again.
b)
If there is excessive vibration, check if
the fastening screws are correctly fastened.
Check also if the vibration comes from a
neighbour machine. Periodical vibration checks
must be done.
c) Run the motor under rated load for a
short period of time and compare if the running
current is equal to that stamped on the
nameplate.
1 - General Inspection
üCheck the motor periodically.
üKeep the motor clean and assure free air flow.
üCheck the seals or V Ring and replace them, if
required.
üCheck the connections as well as supporting
screws.
üCheck the bearings and observe: Any excessive
noise, vibration, bearing temperature and grease
condition.
üWhen a change, under normal conditions, is
detected, check the motor and replace the
required parts.
WARNING:
SAFETY CHECK LIST
MAINTENANCE
specifications stated on the belt supplier
recommendation.
THE CONNECTION TO THE POWER
SUPPLY MUST BE DONE BY
QUALIFIED PERSONNEL AND WITH
FULL ATTENTION TO ASSURE A SAFE
AND PERMANENT CONNECTION.
AFTER CONNECTING THE MOTOR,
CHECK FOR ANY STRANGE BODY
INSIDE THE TERMINAL BOX. THE
CABLE INLETS NOT IN USE MUST BE
CLOSED.
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