OL_P1254 Model (1) - TECO-Westinghouse Motor Company

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2.5If the motor is not in operation for a long period (one week and above) after installation or hasbeen in operation but stopped for a period of time, the following precautions must be taken.(a) Protect the motor as measures stated in 2.2.3.(b) Insulation resistance test should be performed as stated in 2.2.4.2.6 Bearing protection(a) If the motor has been provided with a shaft shipping brace to prevent shaft movementduring transit, it must be removed before operating the motor. It is very important thatthis brace be re-installed exactly as it was originally, before the motor is moved formstorage or any time when the motor is being transported. This prevents axial rotormovement that might damage the bearings.(b) <strong>Motor</strong>s equipped with sleeve bearings are shipped from the factory with the bearing oilreservoirs drained. In storage, the oil reservoirs should be properly filled to the center ofthe oil level gauge with a good grade of rust inhibiting oil. To keep the bearing journalswell oiled and to prevent rusting, the motor shaft should be rotated several revolutionsabout every month ensuring the shaft does not come to rest in its original position. Whilethe shaft is rotating, it should be pushed to both extremes of the endplay.(c) <strong>Motor</strong>s with anti-friction bearings are properly lubricated with the correct grade of greaseat the factory and no further greasing is required in storage. The shaft should be rotatedseveral revolutions about every month to maintain proper distribution of the grease withinthe bearings.(d) Tilt-pad bearings are a type of sleeve bearing used in special design applications. Due tothe nature of this bearing, a loose oil ring for delivering lubricant cannot be provided.Therefore, during the storage internal, oil must be periodically manually introduced intothe pads and housing to prevent the occurrence of oxidation of the precision machinedcomponents.(1) Remove the pipe plug from the bearing cap located above the tilt-bearing shell.(2) Pour in approximately one cup of oil every month and rotate the shaft a fewrevolutions about every two (2) weeks.(3) For long periods of storage, the oil that accumulates in the housing should beremoved.ATTENTION!Care should be taken to keep parts such as fitting surfaces, key, shaft extension and axialcentral hole from any collision with foreign matter. Grease should also be generouslyapplied to prevent rusting.2.7 TransportationTo keep the rotating parts of motors from moving, thus preventing damage and scratching duringtransportation, they should be held securely with a locking device. Remove all transit clampsbefore operating the motor. It is very important that this device be reinstalled exactly as it wasoriginally, before the motor is moved from storage or any time when the motor is beingtransported. The vertical mounting type motors should be transported in the vertical position.3
Do not use the hoisting hook/eyebolts to lift more that the motor itself. They aredesigned to support the motor only. Make sure the hoisting hook is correctlyattached to the eyebolt(s)/lug(s) are fully screwed in before hoisting. Also notesuch parts as fan cover, ventilation box, bracket, slip-ring, etc. may have their ownhoisting lugs which can only carry their own weight. Nothing extra should beattached while hoisting.Do not twist the steel wires and make sure the eyebolts have been firmly screwedand the sling angle is correct.3 INSTALLATIONSite and environment for motor installation3.1.1Standard environment and site conditions for the installation of motors are usually set as follows:(a) Ambient temperature: -10~40ºC(b) Humidity: Relative humidity below 90%RH for totally enclosed types, and below 80%RHfor semi-enclosed types.(c) Elevation: below 1000 meters or 3300 feet.(d) Harmful gases, liquids, dusts, high moisture should be absent.(e) Foundations should be strong and free of vibration.If there are any special environmental conditions, please inform TWMC prior o ordering.3.1.2 Ventilation and space(a) Installation area should be well ventilated.(b) The installation space should be large enough to facilitate heat dissipation andmaintenance.3.2 Foundation3.2.1Use rigid and solid sole plate or common bed as foundation.For best motor performance, it is advisable to use a sole plate or common bed, particularly whenusing a shaft coupling.4
Page 4 and 5: ISSUEDJune 18, 2007TYPEASHAPAPERFOR
Page 6: OPERATION&MAINTENANCEMANUALFORTHREE
Page 9: 2. ACCEPTING, INSPECTION, STORAGE,
Page 13 and 14: 3.2.4 Installation of vertical moto
Page 15 and 16: The motor shaft and the driven shaf
Page 17 and 18: ATTENTION!Place the sheave and belt
Page 19 and 20: 3.6.4The rotation direction of the
Page 21 and 22: 4.1.4 Bearing lubrication(a) For sl
Page 23 and 24: 4.2.3 Rotating direction(a) Most TW
Page 25 and 26: Owing to the varied time and circum
Page 27 and 28: (d) If the periods referred to in T
Page 29 and 30: TABLE 2.Bearing No. Amount of reple
Page 31 and 32: 5.6 Maintenance of sleeve bearings5
Page 33 and 34: (h) Roll the bottom bearing half to
Page 35 and 36: 5.7.2 Brush replacementThe carbon b
Page 37 and 38: when, on shutdown, the falling wate
Page 39: Kinds ofBreakdownLoadingafter start

OL_P1254 Model (1) - TECO-Westinghouse Motor Company

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