Introduction
DANGER
Hazardous voltage.
Will cause death, serious injury, electrocution or property damage.
Disconnect all power before working on this equipment.
These instructions present general recommendations for installation, operation and maintenance of induction motors built at the Norwood plant. If additional information is required, contact Siemens Energy & Automation.
Warranty
See your sales contract for warranty coverage. Documentation of storage maintenance, alignment and regreasing may be required for certain warranty considerations.
Receiving
Motors are shipped in first class condition. They have been inspected and are skidded to prevent damage from ordinary handling during shipment.
Inspect new motors for shipping invoice. Make the examination before removing from cars or trucks. If damage or indication of rough handling is evident, file a claim with the carrier at once, and notify your Siemens sales representative.
Remove only the shipping invoice. Do not remove tags pertaining to lubrication, operation and storage instructions. Read and follow all instructions to insure that no damage to motor bearings, (due to condensation) and motor windings occurs during storage.
Use care in handling. Dropping the motor or otherwise imposing shock loads can cause unseen and undetected damage to bearings. This damage such as false brinelling of the races of
If supplied, energize space heaters to help prevent condensation within the motor enclosure.
Motors having sleeve bearings or oil lubricated antifriction bearings are shipped WITHOUT OIL in the bearing reservoir. These bearings and journal surfaces are protected during shipment by a
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temporary film of rust inhibiting oil or, when a motor is supplied specifically with “provisions for oil mist lubrication” (oil supply system furnished by the user), the motor is shipped from the factory with grease in the bearings.
When receiving a motor with sleeve bearings:
1.Remove shaft blocking materials.
2.Visually inspect bearing condition through sight glass and bearing drain opening.
3.Check for moisture accumulation. Remove any traces of oxidation before putting the motor into service.
4.Fill bearing reservoirs to normal level with a high grade industrial lubricating oil. See Maintenance Section of this instruction book to determine proper oil level.
5.Rotate the shaft a minimum of 10 complete turns by hand to distribute oil over bearing parts. Make sure the oil rings in each bearing rotate freely.
When receiving a motor with grease lubricated
Motors having grease lubricated antifriction bearings are shipped with the bearings already lubricated and ready for operation.
If the elapsed time from the time of shipment to the time in which the unit is to be started is in excess of three (3) months, regrease per the lubrication plate mounted on the motor.
When receiving a motor with oil mist lubricated
1.Be sure that the motor is not stored outdoors.
2.Be sure that the oil mist lubrication is connected and operating before starting the motor.
3.The oil mist lubrication should be in operation within two weeks after the motor is received from the factory.
When receiving a motor with “provisions for oil mist lubrication”:
1.Leave the grease in the bearings if the motor is to be stored.
2.Before operating the motor with oil mist lubrication, disassemble the motor, and clean the grease from bearings, end caps, and the bearing housing cavities with a suitable solvent.