Preparation For Storage

CAUTION

Moisture.

Can damage windings.

Protect motor from moisture.

Sleeve and Tilting Pad Bearings

Motors with this type of bearing are shipped without lubricating oil. A film of rust-inhibiting oil from factory testing protects the bearing and shaft journals during shipment, but this protection does not last long enough for extended periods of storage. Therefore, before placing the motor in storage longer than one (1) month, fill the oil wells (sumps) to running level with a good grade of rust inhibiting turbine oil of the proper viscosity.

Remove the shaft blocking on motors with sleeve bearings to permit turning of the shaft. Do not remove the blocking on motors with tilting pad bearings unless an auxiliary oil flood lubricating system is available for use for storage maintenance.

Oil Lubricated Antifriction and Kingsbury Type Bearings

No lubricating oil is shipped with any of these units.

Vertical motors with these types of bearings and for operation at 1800 rpm or slower are designed so the oil completely covers the bearings when properly lubricated. To protect the motor for storage, fill the oil wells (sumps) to the running level with a good grade of rust-inhibiting turbine oil of the proper viscosity.

Vertical motors with anti-friction bearings for operation at 3000 or 3600 rpm use oil sump lubrication requiring the bearings to be located above the normal oil level. A film of rust-inhibiting oil from factory testing protects the motor during shipment. If the motor will be run during storage, the motor should be prepared for future storage maintenance by filling the oil wells as described above. If the motor will not be run, arrange motor so it can be later disassembled for oil coating of internal parts.

Grease Lubricated Anti-Friction Bearings

Grease lubricated ball or roller bearing motors are shipped from the factory with bearings properly packed with grease and if the elapsed time from the date of shipment is less than three (3) months, no further preparation is required.

If the elapsed time is over three (3) months, add grease to each bearing. Refer to the lubrication plate on the motor for the amount of grease and the identification of the grease installed at the factory. Use the same or compatible grease.

Oil Mist Lubricated Anti-Friction Bearings

Motors with this type of lubrication system require special attention. Check for a tag attached to the motor and read and follow the caution statements on the tag.

If the tag states the motor was shipped with grease in the bearings, the motor should be treated same as Grease Lubricated Anti-Friction Bearings described above.

If the tag states that an oil mist lubrication system must be connected before the motor is started;

INDOOR STORAGE: The motor was shipped with no grease in the bearings and it cannot be stored for longer than two weeks unless an auxiliary oil-mist system is available.

OUTDOOR STORAGE: The motor should not be stored outdoors.

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