Siemens SIMOTICS GP Operating Instructions Manual page 89

This checklist does not represent an exhaustive survey of
maintenance steps necessary to ensure safe operation of the equipment.
Particular applications may require further procedures. Should further
information be desired or should particular problems arise which are not
covered sufficiently for the purchaser's purposes, the matter should be
referred to the local SIEMENS sales office.
WARNING:
cause severe personnel injuries. Always disconnect and ground the
equipment before maintenance. Maintenance should be performed only by
qualified personnel.
CAUTION:
equipment, tampering by unqualified personnel, or removal or alteration of
guards or conduit covers will result in dangerous conditions which can cause
severe personal injury or equipment damage. Follow all safety instructions
contained herein.
LUBRICATION
Prior to shipment, motor bearings are lubricated with the proper
amount and grade of grease to provide six months of satisfactory service
under normal operation and conditions.
After that period, the motor must be lubricated as recommended in Table
1.2: Lubrication frequencies, where, in a general way, time intervals have
been established according to the service and atmosphere in which the
motor operates. For further information, please consult your local SIEMENS
sales office.
Lubrication
frequency.
6 Months
3 Months
Table 1.2 Lubrication frequencies.
Unrestricted
Dangerous voltages are present in the motor which can
The use of unauthorized parts in the repair of the
Service/ Operation Atmosphere
Moderate service/ Clean and dry atmosphere.
Severe service/ Adverse atmospheres, dust,
moisture and vibrations.
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